Download Nexus 1262/1272 Meter User Manual V.1.15
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7KLVSDJHLQWHQWLRQDOO\OHIWEODQN Nexus® 1262/1272 Meter Installation and Operation Manual Version 1.15 Published by: Electro Industries/GaugeTech 1800 Shames Drive Westbury, NY 11590 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or information storage or retrieval systems or any future forms of duplication, for any purpose other than the purchaser's use, without the expressed written permission of Electro Industries/GaugeTech. © 2013 Electro Industries/GaugeTech Nexus® and Shark® are registered trademarks of Electro Industries/GaugeTech. Communicator EXTTM is a trademark of Electro Industries/GaugeTech. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 i This page intentionally left blank. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 ii Customer Service and Support Customer support is available 9:00 am to 4:30 pm, Eastern Standard Time, Monday through Friday. Please have the model, serial number and a detailed problem description available. If the problem concerns a particular reading, please have all meter readings available. When returning any merchandise to EIG, a return materials authorization number is required. For customer or technical assistance, repair or calibration, phone 516-334-0870 or fax 516-338-4741. Product Warranty Electro Industries/GaugeTech warrants all products to be free from defects in material and workmanship for a period of four years from the date of shipment. During the warranty period, we will, at our option, either repair or replace any product that proves to be defective. To exercise this warranty, fax or call our customer-support department. You will receive prompt assistance and return instructions. Send the instrument, transportation prepaid, to EIG at 1800 Shames Drive, Westbury, NY 11590. Repairs will be made and the instrument will be returned. This warranty does not apply to defects resulting from unauthorized modification, misuse, or use for any reason other than electrical power monitoring. The Nexus® 1262/1272 meter is not a user-serviceable product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ELECTRO INDUSTRIES/ GAUGETECH SHALL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM ANY AUTHORIZED OR UNAUTHORIZED USE OF ANY ELECTRO INDUSTRIES/GAUGETECH PRODUCT. LIABILITY SHALL BE LIMITED TO THE ORIGINAL COST OF THE PRODUCT SOLD. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 iii Use of Product for Protection Our products are not to be used for primary over-current protection. Any protection feature in our products is to be used for alarm or secondary protection only. Statement of Calibration Our instruments are inspected and tested in accordance with specifications published by Electro Industries/GaugeTech. The accuracy and a calibration of our instruments are traceable to the National Institute of Standards and Technology through equipment that is calibrated at planned intervals by comparison to certified standards. Disclaimer The information presented in this publication has been carefully checked for reliability; however, no responsibility is assumed for inaccuracies. The information contained in this document is subject to change without notice. This symbol indicates that the operator must refer to an explanation in the operating instructions. Please see chapters 3, 6, 11 and 12 for important safety information regarding installation and hookup of the Nexus® 1262/1272 meter. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 iv About Electro Industries/GaugeTech (EIG) Founded in 1975 by engineer and inventor Dr. Samuel Kagan, Electro Industries/ GaugeTech changed the face of power monitoring forever with its first breakthrough innovation: an affordable, easy-to-use AC power meter. Thirty years since its founding, Electro Industries/GaugeTech, the leader in power monitoring and control, continues to revolutionize the industry with the highest quality, cutting edge power monitoring and control technology on the market today. An ISO 9001:2000 certified company, EIG sets the industry standard for advanced power quality and reporting, revenue metering and substation data acquisition and control. EIG products can be found on site at mainly all of today's leading manufacturers, industrial giants and utilities. EIG products are primarily designed, manufactured, tested and calibrated at our facility in Westbury, New York. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 v This page intentionally left blank. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 vi 7DEOHRI&RQWHQWV Table of Contents 1:Three-Phase Power Measurement 1-1 7KUHH3KDVH6\VWHP&RQILJXUDWLRQV :\H&RQQHFWLRQ 'HOWD&RQQHFWLRQ 3RZHU(QHUJ\DQG'HPDQG 5HDFWLYH(QHUJ\DQG3RZHU)DFWRU +DUPRQLF'LVWRUWLRQ 3RZHU4XDOLW\ 2: Meter Overview 2-1 7KH1H[XV0XOWLSDUDPHWHU5HYHQXH0HWHU $FFX0HDVXUH707HFKQRORJ\7KHRU\RI2SHUDWLRQ $GYDQFHG0HDVXUHPHQW)XQFWLRQDOLW\ $GYDQFHG5HYHQXH%LOOLQJ&DSDELOLW\ &RPPXQLFDWLRQVDQG,2&DSDELOLWLHV 'LVSOD\6FUHHQV $GGLWLRQDO6ZLWFKHV 1H[XV([WHUQDO,20RGXOHV 2SWLRQDO313131DQG31/('5HPRWH'LVSOD\V 1H[XV0HWHU)RUPV 1H[XV0HWHU$FFXUDF\ 1H[XV0HWHU6SHFLILFDWLRQV2YHUYLHZ 1H[XV0HWHU/RJJLQJ6SHFLILFDWLRQV 5 '139/HYHO 3: Operating Instructions 3-1 1DPHSODWH,QIRUPDWLRQ %DVLF2SHUDWLRQ /&''LVSOD\,QIRUPDWLRQ )LQGLQJ<RXU'LVSOD\¶V)LUPZDUH9HUVLRQV Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In 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Monitoring and Smart Grid Solutions 'RF# ( 2: Meter Overview 2: Meter Overview 2.1: The Nexus® 1262/1272 Multi-parameter Revenue Meter The Nexus® 1262/1272 transformer-rated, polyphase revenue meter is a unique collection of metering technologies designed to fulfill advanced metering requirements. It provides high-accuracy power and energy measurements of Voltage, current and all power values, data logging and power quality recording. The unit makes the data available through the display, connected systems and historic logs. 2.2: Accu-MeasureTM Technology - Theory of Operation The advanced metering capability of the Nexus® 1262/1272 device is a result of EIG’s Accu-MeasureTM Digital Sensing Technology. Accu-MeasureTM technology is a combination of high-speed sampling, high-resolution measurement and high-speed calculation. All Voltage and current waveforms are sampled and RMS values calculated continuously every cycle. Values of Voltage, current and power are produced every three cycles and every second. Figure 2.1 illustrates the key processes operating within the Nexus® 1262/1272 meter. The meter allows for four types of inputs and can provide outputs to an integrated display, pulse outputs and several communication ports. Nexus® 1262/1272 Meter Processing Voltage and current signals enter the meter and are sampled at up to 256 samples per cycle. Each sample is resolved to a digital value using 16-bit analog-to-digital converters. The Nexus® 1272 meter has two 16-bit A/D converters and the Nexus® 1262 meter has one. The first converter, which both meters have, is for the real-time measurements. The second converter, unique to the 1272, is for the waveform recorder. The use of two A/D converters ensures that both signals have maximum resolution, accuracy and integrity. The second converter also isolates energy sampling and calculations from the waveform fault recording requirements. This provides both advanced energy and advanced waveform analysis. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 1 2: Meter Overview Time Synchronizing LCD Display Voltage Input Circuitry Sampling, Multiplexing and Signal Conditioning Current Input Circuitry 8 Channel Status Inputs Real Time Measurements Processing IR Port LED Test Pulse Memory Waveform Recording Processing KYZ Output 4 Channel Ethernet and/ or Modem RS-485 Port #1 RS-485 Port #4 Figure 2.1: How the Nexus® 1262/1272 Meter Processes Inputs The digitized signals are then passed to the appropriate processor. Real-time measurements are calculated in one processor and made available for meter readings and historical logs. A separate processor performs waveform recording. Calculated data and logs are stored in memory for delivery to displays, external systems and download processes. The meter includes a time synchronizing input port that accepts an industry standard IRIG-B signal to synchronize meter time to standard universal time. If there is no IRIG-B signal, the meter uses an internal 20 ppm crystal or the primary power line frequency to keep meter time. The Line Frequency Clock Synchronization feature may be enabled or disabled. If it is not enabled, the internal clock crystal provides time synchronization. All readings and logs are time stamped to the nearest millisecond. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 2 2: Meter Overview Eight status channels provide input of status or pulse signals. Status inputs are date/ time stamped to the nearest millisecond and placed in the event log. Pulse inputs are multiplied by a user-supplied factor and accumulated in reading registers. These accumulated values can also be totalized. This feature makes the Nexus® 1262/1272 meter a good fit in universal metering applications. Additionally, any one input channel can be selected to accept an End of Interval pulse from another meter. Meter set-up parameters and all historical log data are stored in nonvolatile RAM. The user has multiple log functionality. Data is made available through the onboard display. Display screens are described in Chapter 3. Several additional communication channels operate simultaneously, including the optional Ethernet/Modem Combo Card. External systems can be connected to either of the RS485 ports or the Ethernet/Modem port. Stored data can be downloaded through the RS485 ports, the Ethernet/Modem port or the Optical port. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 3 2: Meter Overview 2.3: Advanced Measurement Functionality 2.3.1: Advanced Revenue Billing Capability The Nexus® 1262/1272 device is a full four-quadrant power and energy meter with accuracy of within 0.06% of reading at full load unity PF. Energy measurements include: kWh Delivered & Received, kVARh Delivered & Received, kVAh, kVARh, kWh in each quadrant and Total kVAh. The meter measures instantaneous power and provides multiple, simultaneous demand measurements, including time-stamped maximum and minimum readings. Time of Use The Nexus® meter’s Time of Use functionality offers the following standard capabilities: • 8 TOU schedules • Bidirectional consumption and Demand • 4 seasons/year • 20-year calendar • Prior month and prior season readings for each schedule • Present month and present season readings for each schedule • Prior season may also be adjusted for a programmable freeze period • Total-to-date readings for each month • Total-to-date readings for each season • Cumulative and continuous cumulative Demand Load Aggregation/Universal Metering Using standard pulse inputs, the Nexus® 1262/1272 meter can count pulses from external meters and accumulate usage. The pulse inputs can be used to totalize electrical usage and utility values, such as water or gas use data. Readings include: • 8 pulse inputs Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 4 2: Meter Overview • Individual accumulating registers • 4 totalizing registers • Totalization with Nexus® meter kWh readings Multiple Demand Windows The Nexus® 1262/1272 meter simultaneously monitors four demand structures. The unit offers: • Block Window Demand • Rolling Window Demand • Thermal Demand • Predictive Demand • Interval length from 1 second to over one hour • Up to 15 sub-intervals • End of Interval Pulse Output (with optional 4IPO Internal KYZ capability) • End of Interval Pulse Input Time-Stamped Max/Min Demands The unit gathers Time-stamped Max/Min Demands for all power values. Each of the following values is date/time stamped: • kW Demand, Delivered & Received, Max/Min • kVAR Demand, Delivered & Received, Max/Min • kVAR Coincident with kW Demand • kVA Demand, Max/Min • Amps Demand, Max/Min • Voltage Demand Max/Min Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 5 2: Meter Overview Transformer Loss Compensation Transformer Loss Compensation adjusts for both copper and iron losses with a simple user setup. 2.3.2: Communications and I/O Capabilities The Nexus® 1262/1272 meter features advanced communication which utilizes multiple Com ports using open protocols. The meter’s multi-port design allows multiple communication connections simultaneously. The Nexus® 1262/1272 system provides a direct digital link, allowing selected data to be gathered without affecting the meter or your data. All of the advanced features of the 1262/1272 are made available through industry-standard Modbus and DNP 3.0 protocols. No proprietary or closed protocols are used. Standard Communications • ANSI Type 2 Optical port • 2 RS485 serial ports • Modbus RTU/ASCII protocol • DNP 3.0 Level 2 + protocol • Speeds up to 115200 bps Optional Communications The Nexus® 1262/1272 meter allows you to select an additional port for one of the following uses: • INP2: Internal 56k Modem with telephone line noise rejection • INP200: Internal Ethernet TCP/IP (10/100BaseT) with multiple sockets and Modbus TCP and DNP TCP • INP202: Combination 56k Modem and Internal Ethernet TCP/IP (10/100BaseT) Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 6 2: Meter Overview Standard Internal I/O Extensive I/O capability is available in conjunction with all metering functions: • IRIG-B Time Synchronizing to GPS to 1 millisecond resolution • 8 High-Speed Status Inputs for status detect or of load aggregation/universal metering inputs • Four KYZ pulse outputs which can be programmed to pulse for any accumulated reading. One of the pulse outputs can also be set for an End-of-Interval Sync Pulse. Upgradable External I/O The user can select from the following to connect multiple external I/O Modules for enhanced I/O capability: • Analog Outputs • Analog Inputs • Additional Status Inputs • KYZ Outputs • Relay/ Alarm Outputs Control Options ElectroLogicTM Relay Control provides user-definable control outputs: • Action and/or alarm on abnormal condition • Action on Boolean logic combinations of Inputs or electrical conditions Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 7 2: Meter Overview 2.3.3: Display Screens The Nexus® 1262/1272 meter features a built-in graphical back-lit FSTN LCD display with extended temperature Voltage compensation. This allows you to view energy data and to gather circuit diagnostic data such as Voltage, current, harmonics and phasor information. The display is easily programmable. See Chapter 3 for details on the Programmable Display. 2.3.4: Additional Switches The Nexus® 1262/1272 meter has additional switches & signals that help in using the unit (see Section 3.2 for more information): • The Infrared Test Pulse can be set to pulse for +Watt-hour, -Watt-hour, +VAR-hour, -VAR-hour and VA-hour. The pulse uses a time-modulated pulse integration which allows the pulse to be accurate during short duration pulse tests. The pulse integration uses industry-accepted reference standards. • The Mode Switch (magnetic reed switch) uses a magnet to switch operating modes. • The Test button is used to access Test Mode. • The Reset button is used to reset Demand. 2.3.5: Nexus® External I/O Modules A variety of optional analog or digital I/O modules mount externally to the Nexus® 1262/1272 Socket meter. The Nexus® 1262/1272 unit does not supply power to I/O modules. Use a power supply, such as EIG’s PSIO, to power optional I/O modules. See Chapter 10 for details on installation and use of the Nexus® External I/O modules. 2.3.6: Optional P40N/P40N+, P41N+ and P43N+ LED Remote Displays The Nexus® 1262/1272 Socket meter features a back-lit LCD display built into the face of the meter. In addition, Electro Industries offers optional external LED displays, powered by a power supply (such as the PSIO). The P40N+ (and legacy P40N), P41N+ and P43N+ displays provide easy access to information stored in the meter if an additional display is required for remote access. See Chapter 9 for further details. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 8 2: Meter Overview 2.4: Nexus® 1262/1272 Meter Forms The Nexus® 1262/1272 Socket meter offers three supported S-Based meter forms based on the rated Voltage and hookup required by the user. Below are the form specifications. Form 9S can be ordered in an A-Base (Order Form 9A). See Chapter 11 for corresponding Wiring diagrams and Appendix B for Blade configurations. The Switchboard Meter offers two supported Z-Based forms, 9Z and 36Z (see Chapter 12). NOTE: Form 45S replaces Form 5S and may also be used in 4-wire Delta circuits. Table 1: Nexus® 1262/1272 Meter Forms Form Hookup 9S 3E Wye or Delta 36S 2 1/2E Wye 45S 2E or 4W Delta NOTE: See Section 2.6 for Rated Voltages. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 9 2: Meter Overview 2.5: Nexus® 1262/1272 Meter Accuracy Table 2: Nexus® 1262/1272 Meter Accuracy Value Accuracy Voltage 0.02% Current 0.05% Frequency 0.001Hz kW 0.06% [email protected] 0.06% [email protected] 0.10% kVAR 0.10% kVA 0.10% PF 0.10% 2.6: Nexus® 1262/1272 Meter Specifications Overview Sense Inputs Current (AC) • Transformer (CT) rated • Two or three current inputs depending on Form (Ia, Ib, Ic) • Class 2 - 1A nominal, burden [email protected] • Class 10, 20 - 5A nominal, burden 0.0125VA@25A • 0.1% of nominal pick-up current • 120% over-range of Meter Class • Current surge withstand (at 23o C): 100 Amps for 10 seconds, 300 Amps for 3 seconds, 500 Amps for 1 second • The current inputs are only to be connected to external current transformers. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 10 2: Meter Overview Voltage (AC) • Blade powered unit, standard Voltage (Option S): 480V max Phase to Reference (Va, Vb, Vc, to VRef), burden total 12V max (including power supply); 600V max Phase to Phase (Va to Vb, Vb to Vc, Vc to Va) • Blade powered unit, low Voltage (Option LV): 69V max Phase to Reference (Va, Vb, Vc, to VRef), burden total 12V max (including power supply); 120V between Va, Vb, Vc inputs • Externally powered units (Options SE, DE): 480V max Phase to Reference (Va, Vb, Vc, to VRef), burden 0.33VA@576V; 600V max between Va, Vb, Vc inputs • Input Impedance: 1Mohm/phase • 20% over range of rated Voltage • 2V pickup Voltage External Power Supply Options • Standard external (Option SE): (102 to 276) Vac @50/60Hz, 12VAmax • Low Voltage external (Option DE): (18 to 60)Vdc, Burden 9W max • Separate power cord • Switchboard meter is always separately powered (option SE or DE) Isolation • All inputs and outputs isolated to 2500 Volts • Com Ports isolated from each other to 1000 Volts Sensing • Accu-MeasureTM Technology • 16-bit A/D Inputs • True RMS Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 11 2: Meter Overview • 8-Channel Sample and Hold Memory • All meter setup parameters, measurements and logs contained in nonvolatile RAM Standard Communications • LCD display • ANSI Type 2 Optical port • Two RS485 serial ports • Modbus RTU, Modbus ASCII and DNP 3.0 protocols • Data Speeds of up to 115200 bps • Eight High-Speed Input channels Optional Communications • INP2: 56k Modem with dial-out capabilities • INP200: Internal 10/100BaseT Ethernet with Total Web Solutions • INP202: Ethernet (INP200) / Modem (INP2) Combo card • Modbus TCP and DNP LAN/WAN Internal 8-Channel Digital Inputs • Type: Self-excited, for dry contacts only • Wetting Voltage: 12Vdc typical Internal 4-Channel KYZ Outputs • Type: Form A or C • On Resistance: 23-35: • Peak Voltage: 350Vdc Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 12 2: Meter Overview • Continuous Load Current: 120mA • Peak Load Current: 350mA (10ms) • Off-State Leakage Current @350Vdc: 1:PA • Opto Isolation: 3750V rms (60 Hz, 1 min) Clock Timing • IRIG-B input for synchronizing to external GPS clock signal - accuracy better than 1msec per month • Line Frequency Clock Synchronization - accuracy better than 1 second per month • Internal Clock Crystal - accuracy better than 2 minutes per month Environmental (Temperature Specifications to Indirect Light) • Operating Temperature: (-40 to +85)°C • Display Operating Temperature: (-20 to +60)°C • Humidity: 95% non-condensing • Storage Temperature: (-40 to +85)°C • Raintight Lexan Cover (Socket meter) NOTE: At temperatures above 60° C the display may turn black. The display should return to normal once the temperature has cooled. If the meter is exhibiting a heating issue that causes the display to turn black, try shielding the meter from direct sunlight or otherwise provide some cooling effect to the meter. Security • A hardware lock secures meter settings. • Two 10-character passwords are configurable: one password controls access to read meter digitally; a separate password controls access to meter programming. • An additional 8 level password sequence is available by user configuration. Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 13 2: Meter Overview Internal Battery • Panasonic BR3032 3V Lithium Battery (or equivalent) maintains NVRAM and time during outages. Modem Battery • 3V Lithium Battery with custom leads and velcro mounting maintains Dial-Back feature during outages. Call factory for replacement battery - the part # is BAT1. IRIG-B Port Impedance • 1.8mA @ 5V Compliance • ANSI C12.20 Class 0.2 (0.2% Accuracy) • ANSI C37.90.1 (Surge Withstand) • ANSI C62.41 (Surge Immunity) • ANSI C12.18 (Optical Port) • IEC/CISPR 14-1 (Continuous EM Disturbance) • IEC801-2 (Electrostatic Discharge) • IEC801-3 (Radiated EM Immunity) • IEC801-4 (EFT) • IEC687 (Voltage Dips and Interruptions) • IEC60687 (Class 0.2% Accuracy) • IEC 62053-22 (0.2% Accuracy) • IEC62052-11 (General Requirements; Mechanical Properties; Climactic Influences) Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 2- 14 2: Meter Overview 2.7: Nexus® 1262/1272 Meter Logging Specifications Table 3: Model Memory Historical Log 1* Historical Log 2* CBEMA / ITIC** Event Log ** Waveform Log*** Flicker Log** Input Log ** Output Log** System Events** 1272 Standard 85 Days 133 Days 512 1024 63 1536 256 1024 1024 1272 Advanced 555 Days 133 Days 512 1024 95 5120 256 1024 1024 1262 Standard 69 Days 32 Days N/A 512 N/A N/A 512 1024 1024 1262 Advanced 480 Days 133 Days N/A 512 N/A N/A 512 1024 1024 *Assumes logs store 4 scaled energy readings every 15 minutes. **Number of events recorded (assumes 14 parameters monitored). ***Number of waveform records. Each record may be from 8 to 64 cycles in duration, depending upon meter setup. 2.8: DNP V3.00 Level 2 Nexus® 1262 and 1272 meters support DNP V3.00 Level 2 DNP Level 2 Features • Up to 136 measurements (64 Binary Inputs, 32 Binary Counters, 64 Analog Inputs) can be mapped to DNP Static Points (over 3000) in the customizable DNP Point Map. • Up to 16 Relays and 8 Resets can be controlled through DNP Level 2. • Report-by-Exception Processing (DNP Events) Deadbands can be set on a per-point basis. • Available Freeze commands are Freeze, Freeze/No-Ack, Freeze with Time, and Freeze with Time/No-Ack. • Freeze with Time commands enable the Nexus® meter to have internal time-driven Frozen and Frozen Event data. When the meter receives the time and interval, the data is created. For complete details, download the appropriate DNP User Manual from our website at www.electroind.com. 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1 Timestamp Fields See screen above for explanation of the fields on the right side of the screen Display screen label fields Demand field Timestamp Status field (does not display on the LCD screen) Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions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xample$VFUHHQFRQWDLQLQJSKDVHWRSKDVH9ROWDJHVPLJKWKDYHDVLQJOHWLWOH 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Grid Solutions 'RF# ( 6HULDO&RPPXQLFDWLRQ:LULQJ 7KLVSDJHLQWHQWLRQDOO\OHIWEODQN Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions 'RF# ( 6: Hardware Installation 6: Hardware Installation 6.1: Mounting the Nexus® Socket Meter The Nexus® 1262/1272 Socket meter is designed to mount into a standard meter socket. Follow the Installation Summary below or follow the installation instructions on the meter socket to ensure that the unit is installed securely. See Dimension figures below and on the following pages. NOTE: For Switchboard Meter dimensions and related information, see Chapter 12. 6.96" 17.68cm 4.57" 11.61cm 6.96" 17.68cm 6.2" 15.75cm Front View Side View Figure 6.1: Socket Meter Mounting Dimensions Installation Summary • Examine the labels to verify that the meter you are installing is, in fact, the correct form factor and service type. Make sure that the socket and meter current class ratings are compatible. • Make sure that all communication and auxiliary power wiring is accessible in case disconnection is required for any reason. • Before applying power to the meter, install batteries if not installed at the factory and check the connections if they are installed. The meter has two batteries: an Internal battery which is used to maintain non-volatile readings and the real-time clock, and the Dial-out Modem battery, which is used by the INP2 option to dial out on an outage. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-1 6: Hardware Installation WARNING! POWER MUST BE OFF TO INSTALL THE INTERNAL BATTERY! • To install the Internal Battery, remove the Internal Shroud and place the battery into the battery compartment with the + facing UP. Replace the Internal Shroud. See Section 6.2. • To install the Modem Battery, with the Outer Shroud on the meter, locate the battery cable at the back of the meter and insert the cable connector into the cable. Use the velcro (peel and stick) to attach the battery somewhere outside of the meter. See Section 5.4.4. • Measure the enclosure to make sure it accommodates the meter. (If it is standard size, that won’t be necessary.) • Make sure that any communications wiring from the back of the meter is fed through the appropriate openings in your socket to allow for clean connections with external devices. • Insert the meter into the socket, making sure that the unit blades are firmly within the jaws of the socket. • Connect external devices to the appropriate communications wiring. See following Figure 6.2 and Table 6.1, Cable Color Key, for communications wiring details. RJ11 and RJ45 connectors are supplied. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-2 6: Hardware Installation • Make sure the meter is functioning properly by running it through a test circuit. • The Nexus® Socket meter has its own display built into the face of the meter. However, you may want to install additional displays in remote locations. See Section 6.3 for installation procedures for the Nexus® P40N/P40N+/P41N+/P43N+ displays. The displays are connected to the meter via the RS485 cable supplied with the 1262/1272 (see Figure 6.2, below). See Chapter 5 for detailed wiring instructions. Modem/Ethernet Combo: Cable 4=RS485 Cable 5=RJ11 Modem Cable 6=RJ45 Ethernet Modem: Cable 4=RS485 Cable 5=RJ11 Modem Cable 7=Battery Ethernet: Cable 6=RJ45 Ethernet Cable 8: Optional Aux Power Cable 1: Port 1, Port 4, IRIG-B Optional Communication Cables Cable 3: Optional Cable 2: to High-Speed Inputs KYZ Cable Figure 6.2: Socket Meter Rear View Showing Cables Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-3 6: Hardware Installation 0.87" 2.21cm 10.4" 26.42cm IA High Va IB Vb IC Vc High High IC Low IB Low Vn IA Low 6.84" 17.37cm Figure 6.3: Socket Meter Mounted in A-Base Front View Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-4 6: Hardware Installation 4.57” 11.61cm 2.02” 5.13cm 6.60” 16.76cm Figure 6.4: Socket Meter in A-Base Side View 6.1.1: Cable Color Key Table 1: Cable Color Key Cable Cable 1 Signal Name Color Port 1 Wiring (RS485) SHIELD Black Tx/Rx+ Brown Tx/Rx- Red Port 4 Wiring (RS485) SHIELD Orange Tx/Rx+ Yellow Tx/Rx- Green IRIG-B Electro Industries/GaugeTech Electro Industries/GaugeTech + Blue - Purple The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-5 6: Hardware Installation Table 1: Cable Color Key Cable Cable 2 Cable 3 Cable 4 Cable 5 Signal Name High-Speed Inputs Input 8 Black Input 7 Brown Input 6 Red Input 5 Orange Input 4 Yellow Input 3 Green Input 2 Blue Input 1 Gray Common Purple Optional KYZ Output Normally Closed 1 Black Common Brown Normally Open 1 Red Normally Closed 2 Orange Common Yellow Normally Open 2 Green Normally Closed 3 Blue Common Purple Normally Open 3 Gray Normally Closed 4 Light Green Common Pink Normally Open 4 White RS485 SHIELD Blue Tx/Rx+ Green Tx/Rx- Red RJ11 Modem Label Attached Electro Industries/GaugeTech Electro Industries/GaugeTech Color The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# Blue E151701 6-6 6: Hardware Installation Table 1: Cable Color Key Cable Signal Name Cable 6 Color RJ45 Ethernet Label Attached Cable 7 Blue Battery Label Attached Cable 8 Black Aux Power - DE Positive Red Neutral/Negative Black Aux Power - SE Positive Black Neutral/Negative Black Table 6.1: Cable Color Key IMPORTANT NOTE! The Cable colors shown here are subject to change without notice. Refer to the CABLE LABELS for color code verification. 6.2: Internal Battery Installation and Maintenance CAUTION! - BATTERY INSTALLATION OR REPLACEMENT MUST BE DONE WITH POWER OFF! Depending on its age, the Nexus® 1262/1272 meter could be equipped with either of two types of batteries: • Older meters are equipped with 3V Lithium cell 2032. • Meters shipped after February, 2010 are equipped with 3V Lithium cell Panasonic BR3032. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-7 6: Hardware Installation Examine the specific meter and be sure to install the correct battery. Figure 6.5: Meter without Internal Shroud The Internal battery maintains NVRAM and time during outages. It is located on one of the vertical panels inside the Internal Shroud (see Figure 6.5). Under normal conditions, the battery should provide in excess of 10 years of service during storage conditions (disconnected from terminals) or when properly installed in an energized meter. The battery should provide more than one year of service during outage conditions (time on battery backup). A LOW BATTERY indicator on the display screen tells you when replacement is needed. Follow these steps to install the battery: 1. Before replacing the battery, download all memory files to your computer, as data may be lost. 2. Remove power from the meter. 3. Remove the external meter cover and the internal shroud. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-8 6: Hardware Installation 4. Remove the old battery with a screwdriver or similar tool. 5. Place the new battery in the battery holder. IMPORTANT! You must insert the replacement battery into the holder correctly. Otherwise proper contact will not be achieved and the meter may lose log memory and time functions. Figure 6.6: Battery Holder Detail a. Make sure the + on the battery is facing UP and toward you. b. Insert the RIGHT SIDE of the battery UNDER the 2 clips on the right side of the holder while gently pushing the battery against the INSIDE RIGHT WALL of the battery holder (Side A in Figure 6.6). c. Gently push the LEFT SIDE of the battery in until it snaps into place (Side B in Figure 6.6). 6. Replace the internal shroud and the external meter cover. 7. Power up the meter. 8. Reset meter time using Communicator software, unless IRIG-B is connected. (If IRIG-B is connected, time is synchronized automatically.) NOTE: Replacement of the Modem Battery is explained in Section 5.4.4. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6-9 6: Hardware Installation 6.2.1: Battery Safety and Disposal Dispose of batteries in accordance with local, state and federal hazardous waste regulations. For disposal outside the United States, follow your country’s disposal guidelines. 6.3: Mounting the Optional External Displays The Nexus® 1262/1272 meter has its own LCD Display on the meter face. The optional Nexus® LED Displays: P40N+, P41N+ and P43N+ (as well as the legacy P40N) may be used where additional displays are desired. The dimensions of the P40N and P40N+ are different - see the figures on the next page. The display mounts using a standard ANSI C39.1 drill plan. Secure the four mounting studs to the back of the panel with the supplied hardware. See Chapter 9 for details on the external displays. Six feet of RS485 communication/power cable harness is supplied. Allow for at least a 1.25-inch (3.17cm) diameter hole in the mounting panel for the cable harness. See Chapter 5 for wiring details. The display is powered by an external power source, such as the PSIO, which supplies 12 VDC. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6 - 10 6: Hardware Installation 4.38” Sq. (11.12 cm) NOTE: The P40N is not intended for new applications. .75” 1.438” Sq. (1.91 (3.65 cm) cm) P40N Front Dimensions P40N Side Dimensions Legacy P40N Dimensions P40N+ Front and Side Dimensions Figure 6.6: P40N/P40N+ Mounting Dimensions Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6 - 11 6: Hardware Installation 3.375”/8.572cm 1.688”/ 4.287cm 4x 0.200”/ 0.508cm 3.375”/ 8.572cm 04.00”/10.16cm Figure 6.7: P40N/P40N+ ANSI Mounting Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6 - 12 6: Hardware Installation 6.4: Mounting the Nexus® External I/O Modules Connect multiple I/O modules by inserting male RS485 side ports into female side ports, then screw each module into the next, using a flathead screwdriver. Work from left to right. Secure the mounting brackets to both ends of a group of I/O modules or both sides of an individual module, using the screws supplied (#440 pan-head screws). Next, secure the brackets to a flat surface using a #8 screw with a lock washer. 5.629”/14.30cm 3X 1.301”/3.305cm Mounting Bracket 1.125”/2.858cm .090”/.229cm Mounting Bracket 4.188”/10.638cm Figure 6.8: I/O Modules Mounting Diagram, Overhead View Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6 - 13 6: Hardware Installation Mounting Brackets (MBIO) Female RS485 Side Port I/O Port (Size and Pin Configuration Vary) Male RS485 Side Port Figure 6.9: Single I/O Module with Mounting Brackets IMPORTANT! The Nexus® 1262/1272 meter does not supply power to the I/O modules. You must use an external power supply, such as the EIG PSIO (12V Output). Figure 6.11 shows mounting with the PSIO. Mounting Bracket Mounting Bracket 6.879”/13.088cm /N 0OWER)N . , 3.437”/8.729cm $!.'%2 0OWER3UPPLY 03)/ 2.200”/5.588cm -AX0OWER6! )NPUT6OLTAGE6$# 1.100”/2.54cm 6!#$# /UTPUT6OLTAGE6$# %LECTRO)NDUSTRIES'AUGE4ECH WWWELECTROINDCOM .618”/1.570cm 1.301”/3.305cm Figure 6.10: I/O Modules Mounting Dimensions, Front View Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6 - 14 6: Hardware Installation 1.73”/4.4cm Figure 6.11: I/O Modules with PSIO Power Supply Refer to Figure 6.12 and Section 5.3.8 for PSIO and I/O Module wiring instructions. Auxiliary Power (PSIO) is supplied through pins 3 and 4 Connection though SHIELD, + and - to meter’s Port 4 072 072 3HIELD Figure 6.12: I/O Module Wiring Detail Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 6 - 15 6: Hardware Installation This page intentionally left blank. 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3UHVVEnterWRFRQGXFWDQ/('WHVW Group 8: Display Scroll ON/OFF 3UHVVEnterWRWXUQWKHVFUROOIHDWXUHRQRURII:KHQWKHVFUROOIHDWXUHLVRQWKH 31H[WHUQDOGLVSOD\VFUROOVWKURXJKWKHILUVWUHDGLQJRIHDFKJURXSLQWKH'\QDPLF 5HDGLQJVPRGH,IDEXWWRQLVSUHVVHGGXULQJWKHVFUROOVFUROOLQJSDXVHVIRURQH PLQXWH Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions 'RF# ( 8VLQJWKH([WHUQDO'LVSOD\V 9.8: Navigation Map of Display Features Mode 8VH8S'RZQDUURZVWRVFUROOEHWZHHQJURXSV * U R X S V Reset Max/Min Reset Energy Baud Rate/Address Communication Protocol Lamp Test Display Scroll On/Off Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions 'RF# ( 8VLQJWKH([WHUQDO'LVSOD\V 9.9: Optional P40N+ LED External Remote Display Specifications Specification P40N+/P41N+/P43N+ Displays 0D[LPXP,QSXW9ROWDJH 9'& 0LQLPXP,QSXW9ROWDJH 9'& 0D[LPXP3RZHU&RQVXPSWLRQ : 1RPLQDO3RZHU&RQVXPSWLRQ $SSUR[LPDWHO\: 2SHUDWLQJ7HPSHUDWXUH5DQJH WRR&WRR) 2YHUDOO'LPHQVLRQV+[:[' [[LQFKHV[[ FP 7KHOHJDF\31GLPHQVLRQVDUH[[LQFKHV[[FP Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions 'RF# ( 8VLQJWKH([WHUQDO'LVSOD\V 7KLVSDJHLQWHQWLRQDOO\OHIWEODQN Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions 'RF# ( 10: External I/O Modules 10: External I/O Modules 10.1: Hardware Overview All Nexus® External I/O modules have the following components: • Female RS485 Side Port: use to connect to another module’s male RS485 side port. • Male RS485 Side Port: use to connect to the Nexus® 1250/1252 Meter’s Port 3 or 4 or to another module’s female RS485 side port. See Section 5.3.8 for wiring detail. • I/O Port: used for functions specific to the type of module; size and pin configuration vary depending on type of module. • Reset Button: Press and hold for three seconds to reset the module’s baud rate to 57600 and its address to 247 for 30 seconds. • LEDs: when flashing, signal that the module is functioning. • Mounting Brackets (MBIO): used to secure one or more modules to a flat surface. Mounting Brackets (MBIO) Female RS485 Side Port I/O Port LEDs (Size and Pin Configuration Vary) Male RS485 Side Port Reset Button Figure 10.1: I/O Module Components Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 1 10: External I/O Modules 10.1.1: Port Overview All Electro Industries I/O Modules have ports through which they interface with other devices. The port configurations are variations of the four types shown below. Four Analog Outputs Eight Analog Outputs (0-1mA and 4-20mA) (0-1mA and 4-20mA) 0-1mA Analog Output Module 0-1mA Analog Input Module COM COM OUT 1 OUT 1 OUT 2 OUT 2 OUT 3 OUT 3 OUT 4 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 RESET RESET Eight Analog Inputs Four Relay Outputs or (0-1mA, 0-20mA, Four KYZ Pulse Outputs 0-5Vdc, 0-10Vdc) or Eight Status Inputs NO 0-1mA Analog Input Module C 1 NO COM INPUT 1 INPUT 2 INPUT 3 INPUT 4 INPUT 5 INPUT 6 NO K Y Z C 2 NO O U T P U T S NO C 3 NO NO INPUT 7 C INPUT 8 RESET Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions 4 NO RESET Doc# E151701 10 - 2 10: External I/O Modules 10.2: I/O Module Installation See Section 5.3.8 for wiring instructions for the external I/O Modules, and Section 6.4 for hardware installation instructions. 10.2.1: Power Source for I/O Modules The Nexus® 1262/1272 does not supply power to the I/O Modules. You must use an external power source, such as the EIG PSIO (12V). Refer to Section 5.3.9 to determine power needed. Figure 10.2: PSIO Power Supply Side View, Showing Male RS485 Port TX CT On RX 0-1mA Analog Input Module Power In COM N(-) INPUT 1 INPUT 2 INPUT 3 INPUT 4 ! L(+) DANGER PowerPSIO Supply Max Power: 12 VA Input Voltage: 12-60V DC 90-240V AC/DC Output Voltage: 12V DC RESET ElectroIndustries/GaugeTech www.electroind.com Figure 10.3: Power Flow from PSIO to I/O Module Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 3 10: External I/O Modules On Power In N(-) ! L(+) DANGER PowerPSIO Supply Max Power: 12 VA Input Voltage: 12-60V DC 90-240V AC/DC Output Voltage: 12V DC ElectroIndustries/GaugeTech www.electroind.com POWER + POWER - Figure 10.4: PSIO Side and Top Labels (Labels are Red and White) 10.3: Using the PSIO with Multiple I/O Modules Mounting bracket Female RS485 side Port 0-1mA Analog Input Module CT RX TX RX TX 0-1mA Analog Output Module CT CT TX Female RS485 Side Port Communication ONLY (A+, B- and Shield) RX LEDs On 0-1mA Analog Input Module COM COM COM OUT 1 INPUT 1 INPUT 1 OUT 2 INPUT 2 INPUT 2 Power In N(-) ! DANGER OUT 3 INPUT 3 INPUT 3 OUT 4 INPUT 4 INPUT 4 INPUT 5 INPUT 5 Max Power: 12 VA INPUT 6 INPUT 6 Input Voltage: 12-60V DC INPUT 7 INPUT 7 INPUT 8 INPUT 8 RESET RESET Control Power L(+) PowerPSIO Supply 90-240V AC/DC Output Voltage: 12V DC RESET ElectroIndustries/GaugeTech www.electroind.com Reset Button Mounting Bracket I/O Port (Size and pin configuration vary) Figure 10.5: PSIO Used with Multiple I/O Modules NOTE: As shown, the PSIO must be to the right of I/O Modules when viewing the side label. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 4 10: External I/O Modules 10.3.1: Steps for Attaching Multiple I/O Modules 1. Each I/O module in a group must be assigned a unique address. See the Communicator EXT User Manual for details on configuring and programming the I/O Modules. 2. Determine how many power sources (such as the PSIO) are needed for the number of modules in use. See Sections 5.3.9 for details. 3. Starting with the left module and using a slotted screw driver, fasten the first I/O Module to the left Mounting Bracket. The left Mounting Bracket is the one with the PEM. Fasten the internal screw tightly into the left Mounting Bracket. 4. Next, slide the female RS485 port into the male RS485 side port to connect the next I/O module to the left module. Fasten together enough to grab but do not tighten. 5. One by one combine the modules together. 6. Attach the PSIO (power supply) to the right of the group of I/O Modules it is supplying with power. NOTE: The PB1 can also be used as a Low Voltage Power Supply. It must be mounted separately. 7. Once you have combined all the I/O modules and power supplies together for the group, fasten tightly. This final tightening will lock the whole group together as a unit. 8. Attach the right Mounting Bracket to the right side of the group using the small Phillips head screws provided. 9. Mount the group of modules on a secure, flat surface. This procedure will insure that all modules stay connected securely. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 5 10: External I/O Modules 10.4: Factory Settings and Reset Button Factory Settings: All Nexus® I/O Modules are shipped with a preset address and a baud rate of 57600. See following sections for I/O Module addresses. Reset Button: If there is a communication problem or if you are unsure of a module’s address and baud rate, press and hold the RESET button for 3 seconds; the module will reset to a default address of 247 at 57600 baud rate for 30-seconds. This enables you to interrogate the I/O using the Communicator EXT software; see the Modbus Communicating I/O Modules User Manual. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 6 10: External I/O Modules 10.5: Analog Transducer Signal Output Modules Table 1: Analog Transducer Signal Output Module Specifications Model Numbers 1mAON4: 4-channel analog output 0±1mA 1mAON8: 8-channel analog output 0±1mA 20mAON4: 4-channel analog output 4-20mA 20mAON8: 8-channel analog output 4-20mA Accuracy 0.1% of Full Scale Scaling Programmable Communication RS485, Modbus RTU Programmable Baud Rates: 4800, 9600, 19200, 38400, 57600 Power Requirement 15-20VDC @50-200mA Operating Temperature (-20 to +70)o C/(-4 to +158)o F Maximum Load Impedance 0±1mA: 10k Ohms; 4-20mA: 500 Ohms Factory Settings Modbus Address: 1mAON4: 128; 1mAON8: 128; 20mAON4: 132; 20mAON8: 132 Baud Rate: 57600 Transmit Delay Time: 0 Default Settings (Reset Button) Modbus Address: 247 Baud Rate: 57600 Transmit Delay Time: 20msec 10.5.1: Overview The Analog Transducer Signal Output Modules (0±1mA or 4–20mA) are available in either a 4- or 8-channel configuration. Maximum registers per request, read or write, is 17 registers. All outputs share a single common point. This is also an isolated connection (from ground). The Modbus Map for the Analog Output Module (and operating details) can be found in the Modbus Communicating I/O Modules Manual. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 7 10: External I/O Modules 10.5.2: Normal Mode Normal Mode is the same for the 0-1mA and the 4-20mA Analog Output Modules except for the number of processes performed by the modules. Both devices: 1. Accept new values through communication. 2. Output current loops scaled from previously accepted values. The 0-1mA module includes one more process in its Normal Mode: 3. Read and average the A/D and adjust values for Process 2 above. The device will operate with the following default parameters: Address: 247 (F7H) Baud Rate: 57600 Baud Transmit Delay Time: 20 msec Normal Operation is prevented by a number of occurrences. See Section 10.4 for details. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 8 10: External I/O Modules 10.6: Analog Input Modules Table 2: Analog Input Module Specifications Model Numbers 8AI1: 8-channel analog input 0±1mA 8AI2: 8-channel analog input 0±20mA 8AI3: 8-channel analog input 0±5VDC 8AI4: 8-channel analog input 0±10VDC Accuracy 0.25% of Full Scale Scaling Programmable Communication RS485, Modbus RTU Programmable Baud Rates: 4800, 9600, 19200, 38400, 57600 Power Requirement 15-20VDC @50-200mA Operating Temperature (-20 to +70)o C/(-4 to +158)o F Maximum Load Impedance 0±1mA: 10k Ohms; 4-20mA: 500 Ohms Factory Settings Modbus Address: 8AI1: 136; 8AI2: 140; 8AI3: 144; 8AI4: 148 Baud Rate: 57600 Transmit Delay Time: 0 Default Settings (Reset Button) Modbus Address: 247 Baud Rate: 57600 Transmit Delay Time: 20msec 10.6.1: Overview The Analog Input Modules (0±1mA, 0±20mA, 0±5Vdc and 0±10Vdc) are available in 8-channel format. Maximum registers per request, read or write, is 17 registers. All inputs share a single common point. This is also an isolated connection (from ground). The Modbus Map for the Analog Output Module (and operating details) can be found in the Modbus Communicating I/O Modules Manual. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 9 10: External I/O Modules 10.6.2: Normal Mode In Normal Mode, the Input Module: 1. Reads and averages the A/D and adjusts values for process 2. 2. Calculates the percentage of Input Value. NOTE: The percentage value of the Input is stored in Input Value Registers (Registers 04097-04104). The device will operate with the following default parameters: Address: 247 (F7H) Baud Rate: 57600 Baud Transmit Delay Time: 20 msec Normal Operation is prevented by a number of occurrences. See Section 10.4 for details. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 10 10: External I/O Modules 10.7: Digital Dry Contact Relay Output (Form C) Module Digital Dry Contact Relay Output Module Specifications Model Number 4RO1: 4 matching relay outputs Contact Type Changeover (SPDT) Relay Type Mechanically latching Communication RS485, Modbus RTU Programmable Baud Rates: 4800, 9600, 19200, 38400, 57600 Power Requirement 2.0W max @ 12-20VDC Operating Temperature (-20 to +70)o C/(-4 to +158)o F Switching Voltage AC 250V / DC 30V Switching Power 1250VA / 150W Switching Current 5A Mechanical Life 5 x 107 switching operations Electrical Life 105 switching operations at rated current Factory Settings Modbus Address: 156 Baud Rate: 57600 Transmit Delay Time: 0 Default Settings (Reset Button) Modbus Address: 247 Baud Rate: 57600 Transmit Delay Time: 20msec 10.7.1: Overview The Relay Output Module consists of four Latching Relay Outputs. In Normal Mode, the device accepts commands to control the relays. Relay output modules are triggered by limits programmed with the Communicator EXT software. See the Communicator EXT User Manual for details on programming limits. The Modbus Map for the Analog Output Module (and operating details) can be found in the Modbus Communicating I/O Modules Manual. Each latching relay will hold its state in the event of a power loss. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 11 10: External I/O Modules 10.7.2: Communication Maximum registers per request, read or write, is 4 registers. The device will operate with the following default parameters: Address: 247 (F7H) Baud Rate: 57600 Baud Transmit Delay Time: 20 msec Some situations will cause the device to operate with the above Default Parameters. See Section 10.4 for details of Default Mode. 10.7.3: Normal Mode Normal Mode consists of one process: the device accepts new commands to control the relays. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 12 10: External I/O Modules 10.8: Digital Solid State Pulse Output (KYZ) Module Digital Solid State Pulse Output Module Specifications Model Number 4PO1 Communication RS485, Modbus RTU Programmable Baud Rates: 4800, 9600, 19200, 38400, 57600 Power Requirement 15-20VDC @50-200mA Operating Temperature (-20 to +70)o C/(-4 to +158)o F Voltage Rating Up to 300VDC Commands Accepted Read and Write with at least 4 registers of data per command Memory 256 Byte IC EEPROM for storage of programmable settings and non-volatile memory Factory Settings Modbus Address: 160 Baud Rate: 57600 Transmit Delay Time: 0 Default Settings (Reset Button) Modbus Address: 247 Baud Rate: 57600 Transmit Delay Time: 20msec 10.8.1: Overview The KYZ Pulse Output Modules have 4 KYZ Pulse Outputs and accept Read and Write Commands with at least 4 registers of data per command. Digital Solid State Pulse Output (KYZ) Modules are user programmed to reflect VAR-hours, WATT-hours, or VAhours. See the Modbus Communicating I/O Modules User Manual for details on programming the module. The Modbus Map for the KYZ Pulse Output Module (and operating details) can be found in the Modbus Communicating I/O Modules Manual. NC = Normally Closed; NO = Normally Open; C = Common. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 13 10: External I/O Modules 10.8.2: Communication Maximum registers per request, read or write, is 4 registers. The device will operate with the following Default Mode Parameters. See Section 10.4 for details. Address: 247 (F7H) Baud Rate: 57600 Baud Transmit Delay Time: 20 msec 10.8.3: Normal Mode Energy readings are given to the device frequently. The device generates a pulse at each channel after a certain energy increase. Normal Operation consists of three processes: 1. The first process accepts writes to registers 04097 - 04112. Writes can be up to four registers long and should end on the fourth register of a group (register 04100, or registers 04103-04112 or registers 04109-04112). These writes can be interpreted as two-byte, four-byte, six-byte or eight-byte energy readings. The reception of the first value for a given channel provides the initial value for that channel. Subsequent writes will increment the Residual for that channel by the difference of the old value and the new value. The previous value is then replaced with the new value. Attempting to write a value greater than the programmed Rollover Value for a given channel is completely ignored and no registers are modified. If the difference is greater than half of the programmed Rollover Value for a given channel, the write does not increment the Residual but does update the Last Value. Overflow of the Residual is not prevented. 2. The second process occurs in the main loop and attempts to decrement the Residual by the Programmed Energy/Pulse Value. If the Residual is greater than the Programmed Energy/Pulse Value and the Pending Pulses Value for that channel has not reached the maximum limit, then Residual is decremented appropriately and the Pending Pulses is increased by two, signifying two more transitions and one more pulse. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 14 10: External I/O Modules 3. The third process runs from a timer which counts off pulse widths from the Programmable Minimum Pulse Width Values. If there are Pulses Pending for a channel and the delay has passed, then the Pulses Pending is decremented for that channel and the Output Relay is toggled. Operation Indicator (0000H = OK, 1000H = Problem): Bit 1:1 = EEPROM Failure Bit 2:1 = Checksum for Communications Settings bad Bit 3:1 = Checksum for Programmable Settings bad Bit 4:1 = 1 or mor Communications Settings are invalid Bit 5:1 = 1 or more Programmable Settings are invalid Bit 6:1 = 1 or more Programmable Settings have been modified Bit 7:1 = Forced Default by Reset Value Bit 15:1 = Normal Operation of the device is disabled Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 15 10: External I/O Modules 10.9: Digital Status Input Module Digital Status Input Module Specifications Model Number 8DI1 Communication RS485, Modbus RTU Programmable Baud Rates: 4800, 9600, 19200, 38400, 57600 Power Requirement 15-20VDC @50-200mA Operating Temperature (-20 to +70)o C/(-4 to +158)o F Voltage Rating Up to 300VDC Detection Wet/Dry, Auto-detect Memory 256 Byte I2C EEPROM for storage of programmable settings and non-volatile memory Factory Settings Modbus Address: 164 Baud Rate: 57600 Transmit Delay Time: 0 Default Settings (Reset Button) Modbus Address: 247 Baud Rate: 57600 Transmit Delay Time: 20msec 10.9.1: Overview The Digital Status Input Module is used either for additional status detect or for accumulating pulses from external equipment, such as power meters, water meters, etc. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 16 10: External I/O Modules 10.9.2: Communication Maximum registers per request, read or write, is 4 registers. The device will operate with the following Default Mode Parameters. See Section 10.4 for details. Address: 247 (F7H) Baud Rate: 57600 Baud Transmit Delay Time: 20 msec 10.9.3: Normal Mode The device polls the inputs at 100Hz (once every 10 msec), debouncing the inputs and incrementing the Transition Accumulators for each channel as appropriate. The inputs are represented by Channel 1 in the LSB through Channel 8 in the MSB of the low order byte of the register. The Modbus Map for the Digital Status Input Modules (and operating details) can be found in the Modbus Communicating I/O Modules Manual. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 17 10: External I/O Modules This page intentionally left blank. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 10 - 18 11: Electrical Installation 11: Electrical Installation The Nexus® 1262/1272 Socket meter supported forms and their wiring configurations are shown in this chapter. The forms are based on the rated Voltage and hookup required for your application. (Custom forms and configurations are also available from EIG.) 11.1: Considerations When Installing Meters Installation of the Nexus® 1262/1272 meter must be performed only by qualified personnel who follow standard safety precautions during all procedures. Those personnel should have appropriate training and experience with high voltage devices. Appropriate safety gloves, safety glasses and protective clothing are recommended. During normal operation of the Nexus® meter, dangerous voltages flow through many parts of the unit, including: Terminals and any connected CTs (Current Transformers) and PTs (Potential Transformers), all I/O Modules and their circuits. All Primary and Secondary circuits can, at times, produce lethal voltages and currents. Avoid contact with any current-carrying surfaces. Do not use the meter or any I/O device for primary protection or in an energy-limiting capacity. The meter can only be used as secondary protection. Do not use the meter for applications where failure of the meter may cause harm or death. Do not use the meter for any application where there may be a risk of fire. All meter terminals should be inaccessible after installation. Do not apply more than the maximum voltage the meter or any attached device can withstand. Refer to meter and/or device labels and to the Specifications for all devices before applying voltages. Do not HIPOT/Dielectric test any Outputs, Inputs or Communications terminals. The current inputs are only to be connected to external current transformers. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 1 11: Electrical Installation EIG recommends the use of Fuses for voltage leads and power supply, and shorting blocks to prevent hazardous voltage conditions or damage to CTs, if the meter needs to be removed from service. CT grounding is optional. NOTE: IF THE EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER, THE PROTECTION PROVIDED BY THE EQUIPMENT MAY BE IMPAIRED. NOTE: THERE IS NO REQUIRED PREVENTIVE MAINTENANCE OR INSPECTION NECESSARY FOR SAFETY. HOWEVER, ANY REPAIR OR MAINTENANCE SHOULD BE PERFORMED BY THE FACTORY. DISCONNECT DEVICE: The following part is considered the equipment disconnect device. A SWITCH OR CIRCUIT-BREAKER SHALL BE INCLUDED IN THE END-USE EQUIPMENT OR BUILDING INSTALLATION. THE SWITCH SHALL BE IN CLOSE PROXIMITY TO THE EQUIPMENT AND WITHIN EASY REACH OF THE OPERATOR. THE SWITCH SHALL BE MARKED AS THE DISCONNECTING DEVICE FOR THE EQUIPMENT. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 2 11: Electrical Installation 11.2: Blade Configuration for Forms 9S, 36S, and 45S Detailed drawings of the Blade configurations are shown below and on the next page. There are two configurations because the 9S and the 36S are the same. NOTE: The forms referred to in this chapter comply with ANSI forms 9S, 36S and 45S. Figure 11.1: Form 9S & 36S Base with Knock Out Holes Figure 11.2: Form 45S Base with Knock Out Holes Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 3 11: Electrical Installation 11.3: Wiring Diagrams Choose from the supported meter forms based on the rated Voltage and hookup required for your application. Corresponding wiring diagrams appear on the following pages. If the connection diagram you need is not listed, contact EIG for a custom connection diagram. Form 9S mounted in an A/S Adapter is shown in Figure 11.19. NOTE: Form 45S replaces Form 5S and may also be used in 4-wire circuits. Table 1: Form 9S 36S 45S 9S in S/A Description Figure# Wye, no PTs, 3 CTs 11.3 Wye, 3 PTs, 3 CTs 11.4 4-Wire Delta, no PTs, 3 CTs 11.5 4-Wire Delta, 3 PTs, 3 CTs 11.6 4-Wire Delta, no PTs, 2 CTs 11.7 4-Wire Delta, 2 PTs, 2 CTs 11.8 3-Wire Delta, no PTs, 2 CTs 11.9 3-Wire Delta, 2 PTs, 2 CTs 11.10 2.5 EL Wye, no PTs, 3 CTs 11.11 2.5 EL Wye, 2 PTs, 3 CTs 11.12 Wye, no PTs, 3 CTs 11.13 Wye, 2 PTs, 3 CTs 11.14 3-wire Delta, no PTs, 2 CTs 11.15 3-wire Delta, 2 PTs, 2 CTs 11.16 4-wire Delta, no PTs, 2 CTs 11.17 4-wire Delta, 2 PTs, 2 CTs 11.18 Form 9S Mounted in S/A Adapter (showing connectors) 11.19 Table 11.1: Nexus® 1262/1272 Meter Forms Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 4 11: Electrical Installation FORM: 9S (TRANSFORMER RATED) SERVICE: WYE, 4WIRE NO PTs, 3 CTs 3 N LINE 1 2 LOAD Figure 11.3: Form 9S Wye, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 5 11: Electrical Installation FORM: 9S (TRANSFORMER RATED) SERVICE: WYE, 4WIRE 3 PTs, 3 CTs 3 N LINE 1 2 LOAD Figure 11.4: Form 9S Wye, 3 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 6 11: Electrical Installation 3 FORM: 9S (TRANSFORMER RATED) SERVICE: DELTA, 4WIRE NO PTs, 3 CTs LINE 2 N 1 LOAD Figure 11.5: Form 9S 4-Wire Delta, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 7 11: Electrical Installation 3 FORM: 9S (TRANSFORMER RATED) SERVICE: DELTA, 4WIRE 3 PTs, 3 CTs LINE 2 N 1 LOAD Figure 11.6: Form 9S 4-Wire Delta, 3 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 8 11: Electrical Installation FORM: 9S (TRANSFORMER RATED) SERVICE: DELTA, 4WIRE NO PTs, 2 CTs 3 LINE 2 N 1 LOAD Figure 11.7: Form 9S 4-Wire Delta no PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 9 11: Electrical Installation 3 FORM: 9S (TRANSFORMER RATED) SERVICE: DELTA, 4WIRE 2 PTs, 2 CTs LINE 2 N 1 LOAD Figure 11.8: Form 9S 4-Wire Delta, 2 PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 10 11: Electrical Installation FORM: 9S (TRANSFORMER RATED) SERVICE: DELTA, 3WIRE NO PTs, 2 CTs 3 LINE 2 1 LOAD Figure 11.9: Form 9S 3-Wire Delta, no PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 11 11: Electrical Installation 3 FORM: 9S (TRANSFORMER RATED) SERVICE: DELTA, 3WIRE 2 PTs, 2 CTs LINE 1 2 LOAD Figure 11.10: Form 9S 3-Wire Delta, 2 PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 12 11: Electrical Installation FORM: 36S (TRANSFORMER RATED) SERVICE: WYE, 4WIRE NO PTs, 3 CTs 3 N LINE 1 2 LOAD Figure 11.11: Form 36S 2.5 Element Wye, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 13 11: Electrical Installation FORM: 36S (TRANSFORMER RATED) SERVICE: WYE, 4WIRE 2 PTs, 3 CTs 3 N LINE 1 2 LOAD Figure 11.12: Form 36S 2.5 Element Wye, 2 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 14 11: Electrical Installation FORM: 45S (TRANSFORMER RATED) SERVICE: WYE, 4WIRE NO PTs, 3 CTs 3 N LINE 1 2 LOAD Figure 11.13: Form 45S Wye, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 15 11: Electrical Installation FORM: 45S (TRANSFORMER RATED) SERVICE: WYE, 4WIRE 2 PTs, 3 CTs 3 N LINE 1 2 LOAD Figure 11.14: Form 45S Wye, 2 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 16 11: Electrical Installation FORM: 45S (TRANSFORMER RATED) SERVICE: DELTA, 3WIRE NO PTs, 2 CTs 3 LINE 1 2 LOAD Figure 11.15: Form 45S 3-Wire Delta, no PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 17 11: Electrical Installation FORM: 45S (TRANSFORMER RATED) SERVICE: DELTA, 3WIRE 2 PTs, 2 CTs 3 LINE 1 2 LOAD Figure 11.16: Form 45S 3-Wire Delta, 2 PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 18 11: Electrical Installation FORM: 45S (TRANSFORMER RATED) SERVICE: DELTA, 4WIRE NO PTs, 2 CTs 3 LINE 2 N 1 LOAD Figure 11.17: Form 45S 4-Wire Delta, no PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 19 11: Electrical Installation FORM: 45S (TRANSFORMER RATED) SERVICE: DELTA, 4WIRE 2 PTs, 2 CTs 3 LINE 2 N 1 LOAD Figure 11.18: Form 45S 4-Wire Delta, 2 PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 20 11: Electrical Installation 11.: 9S Meter Mounted in S/A Adapter Any of the 9S Forms can be mounted in an S/A Adapter, such as the one shown below. The socket meter is “pushed” into the S/A Adapter until the meter “snaps” into place. The blades on the back of the socket meter make the proper connection. See Figures 11.1 to 11.8 for the 9S wiring diagrams. Figure 11.19: Form 9S mounted in an S/A Adapter (front removed) Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 21 11: Electrical Installation This page intentionally left blank Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 11 - 22 12: Switchboard Meter 12: Switchboard Meter 12.1: Introduction 9.25" (235 mm) 6.85" (174 mm) Figure 12.1: Switchboard Meter Dimensions, Front This chapter gives you a brief overview of the Nexus® 1262/1272 Switchboard option. The Switchboard meter gives you all the features of the Socket meter in a compact case. Easy installation or disconnection is the primary benefit of choosing this option. The Switchboard system lets you install or “rack out” the meter in two easy steps. Minimal manual wiring is required to connect or disconnect the meter. The Switchboard meter operates in the same way as the Socket meter. There are a few differences between the two meter options: • The labels on the face and the shroud of the meter will be slightly different, depending on options selected (see Section 12.2 for label detail) Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 1 12: Switchboard Meter • The wiring Forms are 9Z and 36Z and the wiring is different (see Section 12.5) • Dimensions are different (see Section 12.3) • Installation is different (and even easier!) (see Section 12.4) CAUTION! The Power Supply Input on the Switchboard unit is configured differently. Please check wiring carefully. 12.2: Labels The labels on the Switchboard meter are similar to those on the Socket meter. Forms are 9Z and 36Z and there may be some additional items, depending upon the options selected. See Chapter 3 for a description of the components on the front and shroud labels. Figure 12.2: Switchboard Meter, Front View Mfg. Date: 2/2/2011 Serial#: 40/83003 Model: NEXUS 1262S-SWB-20-60HZ-4IPO-INP2 Memory: 4 Meg: Options: Freq.: 50Hz KYZ Out: NO Opt. Comm: Power Supply: NONE No Optional Com 56-82.8V AC Notes: Figure 12.3: Sample of Switchboard Options Label Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 2 12: Switchboard Meter 12.3: Specifications and Dimensions The Switchboard meter specifications are the same as those of the Socket meter, except for meter dimensions. The Switchboard meter is essentially the Socket meter in an oblong case. The dimensions are given in figures 12.1 (Front View), 12.4 (Back View) and 12.5 (Side View). See Chapter 2 for meter specifications. 6.13" (15.57cm) Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | S (-) (+) COM4 | 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In Vc Network Phone Line Ia - Hi + Ib - Hi + Va Ic - Hi + 9.0" (22.86cm) | 8.5" (21.59cm) 4.38" (11.12cm) (-) (+) S (-) (+) | IRIG-B COM1 S (1) (+) Gateway + + Vn Lo Lo Lo Vb + + + + + 0.19" (.48cm) 0.50" (1.27cm) 5.60" (14.22cm) 6.58" (16.71cm) Figure 12.4: Switchboard Meter Dimensions, Back Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 3 12: Switchboard Meter 6.25" (15.88cm) 8.5" (21.6 cm) 2.0" 5.08cm 7.0" (17.78cm) 9.0" (22.86cm) Figure 12.5: Switchboard Meter Dimensions, Side Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 4 12: Switchboard Meter 0.188” (0.477cm) 6.125” (15.557cm) 5.750” (14.605cm) +.010”/.025cm/ - .001”/.0025cm R0.10 TYP 2.296” (5.831cm) 4X 0.250” (0.635cm) 8.625” (21.907cm) 4.375” (11.112cm) Figure 12.6: Switchboard Meter Cutout IMPORTANT! Check drill holes for the mounting screw you are using, to insure that the mounting screw fits the box tightly enough to hold the box in place. You can use a washer for a slightly smaller mounting screw. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 5 12: Switchboard Meter 12.4: Installation The Switchboard meter provides easy installation and removal from installation. IMPORTANT! Before installing the meter, check the battery connections (see Sections 6.2 and 5.4.4). 1.Insert the case into a prepared mounting hole. Secure with mounting screws. 2. Slide the meter into the case and secure it by sliding the chassis levers until they snap into place. Connectors for the following are located on the back of the meter. The connectors automatically plug into the available connectors on the mounting board (see Figure 12.8). • Pulse Outputs - Four Channels • Status Inputs • Phone • Line/Network • Power In • COM4, COM1 • IRIG-B • Modem Gateway RS485 3. Position the Switchboard case front against the four screw holes and secure it by turning the four built-in screws in each of the corners. See Figure 12.7. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 6 12: Switchboard Meter Built-in Screws Figure 12.7: Switchboard Case Front Showing 4 Screw Holes Figure 12.8: Switchboard Meter Back Showing Connectors Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 7 12: Switchboard Meter 12.5: Wiring Diagrams The wiring of the Switchboard meter is similar to that of the Socket meter. Table 1: Form 9Z 36Z Description Figure# Wye, no PTs, 3 CTs 12.9 Wye, 3 PTs, 3 CTs 12.10 4-Wire Delta, no PTs, 3 CTs 12.11 4-Wire Delta, 3 PTs, 3 CTs 12.12 3-Wire Delta, no PTs, 2 CTs 12.13 3-Wire Delta, 2 PTs, 2 CTs 12.14 3-Wire Delta, no PTs, 2 CTs 12.15 3-Wire Delta, 2 PTs, 2 CTs 12.16 3-Wire Delta, 2 PTs, 3 CTs 12.19 3-Wire Delta, no PTs, 3 CTs 12.20 2.5 EL Wye, no PTs, 3 CTs 12.17 2.5 EL Wye, 2 PTs, 3 CTs 12.18 Table 12.1: Switchboard Meter Configurations The meter snaps into place and is secured with levers and screws. All input and output connections are made automatically as the meter is installed. (Refer to Section 12.4 and Figure 12.8.) Wiring options are shown in Figures 12.9 through 12.20. NOTE: For special requirements, contact our service department. CAUTION! All wiring should be done by a licensed professional. Actual installation procedures, materials, equipment and connections must conform to applicable codes and standards. See Section 11.1 for important safety considerations. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 8 12: Switchboard Meter SERVICE: WYE, 4WIRE NO PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway N 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In 1 Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.9: 9Z Transformer Rated Wye, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 9 12: Switchboard Meter SERVICE: WYE, 4WIRE 3 PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway N 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In 1 Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.10: 9Z Transformer Rated Wye, 3 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 10 12: Switchboard Meter SERVICE: DELTA, 4WIRE NO PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In N Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + 1 LINE LOAD Figure 12.11: 9Z Transformer Rated 4-Wire Delta, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 11 12: Switchboard Meter SERVICE: DELTA, 4WIRE 3 PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In N Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + 1 LINE LOAD Figure 12.12: 9Z Transformer Rated 4-Wire Delta, 3 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 12 12: Switchboard Meter SERVICE: DELTA, 4WIRE NO PTs, 2 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In N Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + 1 LINE LOAD Figure 12.13: 9Z Transformer Rated 3-Wire Delta, no PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 13 12: Switchboard Meter SERVICE: DELTA, 4WIRE 2 PTs, 2 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In N Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + 1 LINE LOAD Figure 12.14: 9Z Transformer Rated 3-Wire Delta, 2 PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 14 12: Switchboard Meter SERVICE: DELTA, 3WIRE NO PTs, 2 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In Network Phone Line 1 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.15: 9Z Transformer Rated 3-Wire Delta, no PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 15 12: Switchboard Meter SERVICE: DELTA, 3WIRE 2 PTs, 2 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In Network Phone Line 1 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.16: 9Z Transformer Rated 3-Wire Delta, 2 PTs, 2 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 16 12: Switchboard Meter SERVICE: 2.5 EL WYE, NO PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway N 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In 1 Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.17: 36Z 2.5 Element Wye, no PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 17 12: Switchboard Meter SERVICE: 2.5 EL WYE 2 PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway N 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In 1 Network Phone Line 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.18: 36Z 2.5 Element Wye, 2 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 18 12: Switchboard Meter SERVICE: DELTA, 3WIRE 2 PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In Network Phone Line 1 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.19: Delta, 3-wire, 2 PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. Electro Industries/GaugeTech Electro Industries/GaugeTech The Leader In Power Monitoring and Smart Grid Solutions The Leader In Power Monitoring and Smart Grid Solutions Doc# E151701 12 - 19 12: Switchboard Meter SERVICE: DELTA, 3WIRE NO PTs, 3 CTs 3 Y K Z CH1 K Z Y K Z Y K Z | Y CH2 | CH3 | CH4 | (-) (+) S (-) (+) | IRIG-B COM1 | S (-) (+) COM4 | S (1) (+) Gateway 8 7 6 5 4 3 2 1 C HIGH SPEED L N PE Power In Network Phone Line 1 2 Vc Ia - Hi + Ib - Hi + + Caution: Power Supply Input on new units is configured differently. Please check wiring carefully. Va Ic - Hi + + Vn Lo Lo Lo Vb + + + + + LINE LOAD Figure 12.20: Delta, 3-wire, No PTs, 3 CTs • The protective ground connections for the transformers are omitted in the diagrams and are not required for the meter to work properly. However, we strongly recommend those connections to reduce shock hazard. • Shorting switches (blocks) for the current transformers’ secondary side are also not shown. To prevent electrical shock we recommended you use such shorting switches (blocks). Make sure the CTs’ secondary are shorted before disconnecting them from the meter’s current input terminals. 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