Download Allen-Bradley/Rockwell

MANUFACTURER DATA SHEET
Discrete I/O
Manufacturer:
Allen-Bradley/Rockwell
Model Number:
1746 Series
See www.geomartin.com for additional PDF datasheets
Martin Part Number:
VendorPartNumber:
E-014624-02 AB # 1746-IA8, AC Input, 8 Point
E-014624-03 AB # 1746-IOA16, AC Output, 16 Point
PDF File: Doc_000003_Cover.pdf
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Discrete I/O Modules
(Catalog Number 1746 Series)
Installation Instructions
Input Module Catalog Numbers:
1746-IA4, -IA8, -IA16, -IB8, -IB16, -IC16, -IG16, -IH16, -IM4,
-IM8, -IM16,
-IN16, -ITB16, -ITV16, -IV8, -IV16
Output Module Catalog Numbers:
1746-OA8, -OA16, -OAP12, -OB8, -OB6EI, -OB16, -OB16E,
-OBP8,
-OBP16, -OG16, -OV8, -OV16, -OVP16, -OW4, -OW8, OW16, -OX8
Combination Input/Output Module Catalog Numbers:
1746-IO4, -IO8, -IO12, -IO12DC
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2
Discrete I/O Modules
Important User Information
Because of the variety of uses for the products described in this publication, those
responsible for the application and use of this control equipment must satisfy
themselves that all necessary steps have been taken to assure that each
application and use meets all performance and safety requirements, including any
applicable laws, regulations, codes and standards.
The illustrations, charts, sample programs and layout examples shown in this
guide are intended solely for purposes of example. Since there are many
variables and requirements associated with any particular installation, AllenBradley does not assume responsibility or liability (to include intellectual
property liability) for actual use based upon the examples shown in this
publication.
Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application,
Installation, and Maintenance of Solid-State Control (available from your local
Allen-Bradley office), describes some important differences between solid-state
equipment and electromechanical devices that should be taken into consideration
when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in whole or in part,
without written permission of Allen-Bradley Company, Inc., is prohibited.
Throughout these installation instructions we use notes to make you aware of
safety considerations:
!
ATTENTION: Identifies information about practices or
circumstances that can lead to personal injury or death, property
damage or economic loss.
Attention statements help you to:
• identify a hazard
• avoid the hazard
• recognize the consequences
IMPORTANT: Identifies information that is critical for successful application and
understanding of the product.
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38
Discrete I/O Modules
Recovery From Blown Fuse/Processor Fault/Processor
Shutdown
Processor operation will stop under the following conditions:
• The output module fuse blows due to a short circuit.
• JP1 is set to the Processor Faults position (pins 2 and 3 connected).
If the above conditions occur, the following procedures should be used for
recovery:
1. Follow fuse replacement procedures shown on page 39.
2. Clear the processor major fault bit S:1/13.
3. Clear processor status file S:6 major error code (optional).
4. Return processor to Run Mode.
For additional information on processor fault codes and clearing processor fault
bits, refer to the following user manuals:
• Your programming device’s reference manual
• HHT User Manual, publication 1747-NP002
Chapter 28, Troubleshooting Fault
Chapter 29, Understanding the Fault Routine
Replacement Fuse Recommendations
Use the following replacement fuses • 1746-OBP16/-OVP16 -Littelfuse #322010,10A. This fuse is required to
maintain UL/CSA rating. Replacement Fuse Kit is catalog number
1746-F8. (5 fuses per kit).
• 1746-OAP12 -Use SAN-O HQ 6.3A for replacement. This fuse is required
to maintain UL/CSA rating. Replacement Fuse Kit is catalog number
1746-F9 (5 fuses per kit).
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Discrete I/O Modules
39
Fuse Replacement Procedure
To replace a blown fuse:
!
ATTENTION: Never install, remove, or wire modules with
power applied to chassis.
1. Remove SLC 500 system power and correct the conditions causing the
short circuit.
2. Remove the output module from the chassis.
3. Remove the fuse.
• 1746-OBP16/-OVP16: Use a wide tipped, slotted head screw driver to
remove the blown fuse. Slide the screw driver tip under the fuse and use
a twisting motion to pry the fuse from the fuse clip. Use care so that the
printed circuit board and surrounding electronics are not damaged.
• 1746-OAP12: A fuse holder is provided with each fuse. Simply grasp the
fuse holder with needle-nose pliers, or your fingers, and pull it out.
4. Replace the fuse.
• 1746-OBP16/OVP16: Center the replacement fuse over the fuse clip and
press down. If a tool is used to press the fuse in place, apply pressure to
the metal end caps only, not the center of the fuse.
• 1746-OAP12: Insert a new fuse into the fuse holder, align fuse holder on
fuse clips and press down.
5. Replace the output module in the chassis.
6. Restore SLC 500 system power. Clear processor fault bits as indicated in
the steps provided on page 38.
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40
Discrete I/O Modules
Electronically Protected Modules (1746-OB6EI and OB16E)
Electronic Protection
The electronic protection of the 1746-OB6EI and -OB16E has been designed to
provide protection for the modules from short circuit and overload current
conditions. The protection is based on a thermal cut-out principle. In the event of
a short circuit or overload current condition on an output channel, that channel
will limit current within milliseconds after its thermal cut-out temperature has
been reached. All other channels continue to operate as directed by the CPU
(processor) module.
IMPORTANT: The modules do not provide protection against reverse polarity
wiring or wiring to AC power sources. Electronic protection is not
intended to replace fuses, circuit breakers, or other code-required
wiring protection devices.
OUTPUT
OUTPUT
EE
FF
UU
SS
EE
Front View
Publication 1746-IN005A-US-P
EFUSE LED
Note: There is no jumper
setting on this module
Discrete I/O Modules
41
Auto Reset Operation
IMPORTANT: The 1746-OB6EI and -OB16E perform auto-reset under overload
conditions. When an output channel overload occurs as described
on page 40, that channel will limit current within milliseconds
after its thermal cut-out temperature has been reached. While in
current limit, the output channel can cool below the thermal cutout temperature allowing the module to auto-reset and resume
control of the output channel as directed by the processor until the
thermal cut-out temperature is again reached.
Removing power from an overloaded output channel would also
allow the output channel to cool below the thermal cut-out
temperature, allowing auto-reset to occur when power is restored.
The output channel would operate as directed by the processor
until the thermal cut-out temperature is again reached.
To avoid auto-reset of an output channel under overload
conditions, an external mechanical fuse can be used to open the
circuit when overloaded.
Short Circuit/Overload Current Diagnostics
If a short circuit or overload current condition occurs on an output channel:
1. The E-Fuse LED will illuminate provided that power is applied to the
module. Power required: 5V dc via backplane and load power via an
external supply.
2. All other channels continue to operate as directed by the CPU (processor)
module.
Recovery From Channel Shutdown
1. Remove the SLC 500 system power and correct the conditions causing the
short circuit or overload current condition.
2. Restore the SLC 500 system power. The module automatically resets and
resumes control of the output channel and associated load.
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42
Discrete I/O Modules
Wiring Diagrams
The wiring diagrams in these installation instructions are examples only. It is not
necessary to connect an I/O device to each and every I/O module terminal.
Labeling for SLC/PLC® Systems
In this document, 16-point I/O module wiring diagrams include both decimal and
octal numbers for I/O addressing and wire identification (see figure below). To
wire your 16-point I/O module when used in a SLC system, use the decimal
numbers in the upper left portion of each box. When used in a PLC system, use
the octal numbers in the lower right portion of the box. As shipped from the
factory, the I/O module has a decimal address label on the inside of its door. An
octal label kit should be included with your 16-point I/O modules, or a separate
octal conversion kit can be ordered, to allow you to convert your module to the
octal system.
IMPORTANT: Ensure the octal labels are used with your PLC system. Directions
on how to install the labels are included with the kit and on
page 30 of this document.
Figure 6:Decimal and Octal Labeling for 16-Point I/O Modules
L1
1746-IA16
100/120V ac
IN 0
For SLC (decimal)
0
IN 1
2
IN 3
4
IN 5
1
IN 2
3
IN 4
IN 14
5
IN 6
100/120V ac
16
6
IN 7
10
IN 9
12
IN 11
7
IN 8
11
IN 10
13
IN 12
For PLC (octal)
14
IN 13
15
IN 14
16 IN 15
L2
17
AC COM
AC COM
COMMONS
CONNECTED
INTERNALLY
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SLC
PLC
Discrete I/O Modules
43
Input Modules - ac
Figure 7:Wiring Diagrams (1746-IA4, -IA8, -IA16)
1746-IA8
100/120V ac
1746-IA4
100/120V ac
L1
NOT
USED
IN 1
NOT
USED
IN 2
NOT
USED
L1
100/120V ac
IN 0
NOT
USED
IN 3
100/120V ac
IN 0
IN 4
IN 1
IN 5
IN 2
IN 6
IN 7
IN 3
L2
AC COM
AC COM
L2
COMMONS
CONNECTED
INTERNALLY
AC COM
1746-IA16
100/120V ac
L1
IN 0
0
IN 1
2
IN 3
4
IN 5
1
IN 2
3
IN 4
5
IN 6
100/120V ac
6
IN 7
10
IN 9
7
IN 8
11
IN 10
12
IN 11
14
IN 13
13
IN 12
IN 14
15
16 IN 15
L2
17
AC COM
AC COM
COMMONS
CONNECTED
INTERNALLY
SLC
PLC
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Discrete I/O Modules
Figure 8:Wiring Diagrams (1746-IM4, -IM8, -IM16)
1746IM4
200/240V ac
1746-IM8
200/240V ac
L1
NOT
USED
IN 0
NOT
USED
IN 1
NOT
USED
IN 2
NOT
USED
L1
IN 3
200/240V ac
IN 0
IN 4
IN 1
200/240V ac
IN 5
IN 2
IN 6
IN 3
L2
IN 7
L2
AC COM
AC COM
COMMONS
CONNECTED
INTERNALLY
1746-IM16
200/240V ac
L1
IN 0
0
IN 1
2
IN 3
4
IN 5
1
IN 2
3
IN 4
200/240V ac
5
IN 6
6
IN 7
10
IN 9
7
IN 8
11
IN 10
12
IN 11
14
IN 13
13
IN 12
15
IN 14
16 IN 15
L2
17
AC COM
AC COM
COMMONS
CONNECTED
INTERNALLY
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SLC
PLC
AC COM
Discrete I/O Modules
45
Input Modules - dc
Figure 9:Wiring Diagram (1746-IN16)
1746-IN16
24V ac/dc SINKING
L1 or +DC
IN 0
0
IN 1
2
IN 3
1
IN 2
3
IN 4
4
IN 6
V ac/dc
IN 5
5
6 IN 7
7
IN 8
10 IN 9
11
IN 10
12 IN 11
13
IN 12
14 IN 13
15
16 IN 15
17
AC/DC
COM
AC/DC
COM
IN 14
L2 or -DC
COMMONS
CONNECTED
INTERNALLY
SLC
PLC
Figure 10:Wiring Diagram (1746-IB8, -IB16, -ITB16, -IC16, -IH16)
1746-IB8
24V dc SINKING
1746-IB16, -ITB16
24V dc SINKING
1746-IC16
1746-IH16
48V dc SINKING 125V dc SINKING
+DC
+DC
IN 0
IN 0
IN 1
IN 2
IN 2
IN 3
24V dc
24V dc
(IB16, ITB16)
48V dc
(IC16)
IN 4
IN 5
COMMONS
CONNECTED
1
2 IN 3
3
IN 4
4 IN 5
5
6 IN 7
7
6
10 IN 9
11
IN 10
IN 6
IN 8
125V dc
(IH16)
12 IN 11
IN 6
IN 12
IN 7
IN 14
DC COM
±DC
0 IN 1
±DC
13
14 IN 13
15
16 IN 15
DC
COM
17
DC COM
DC COM
COMMONS
CONNECTED
SLC
PLC
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Discrete I/O Modules
Figure 11:Wiring Diagram (1746-IV8, -IV16, -ITV16)
1746-IV8
24V dc SOURCING
1746-IV16, -ITV16
24V dc SOURCING
±DC
±DC
IN 0
IN 0
3
6
IN 7
10
IN 9
24V dc
IN 5
IN 10
IN 6
IN 12
11
12 IN 11
13
14 IN 13
IN 14
+DC
VDC
5
7
IN 8
IN 4
15
16 IN 15
17
VDC
VDC
VDC CONNECTED
INTERNALLY
VDC
VDC CONNECTED
INTERNALLY
Figure 12:Wiring Diagram (1746-IG16)
1746-IG16
TTL INPUT (Low = True)
+5 DC
IN 0
0
IN 1
1
IN 2
3
IN 4
5
IN 6
7
IN 8
2
IN 3
4
IN 5
6
IN 7
+5V dc
1
4 IN 5
IN 7
+DC
IN 3
IN 6
IN 3
+DC
IN 1
2
IN 4
IN 2
24V dc
0
IN 2
IN 1
10
IN 9
11 IN 10
12
IN 11
13 IN 12
IN 13
14
15 IN 14
IN 15
16
17
DC COM
±DC
SLC
PLC
Publication 1746-IN005A-US-P
SLC
PLC
Discrete I/O Modules
47
Output Modules - ac
Figure 13:Wiring Diagrams (1746-OA8, -OA16)
1746-OA8
100 to 240V ac TRIAC OUTPUT
L1
VAC 1
OUT 0
100-240V ac
OUT 1
CR
OUT 2
L2
CR
OUT 3
L1
VAC 2
OUT 4
100-240V ac
OUT 5
OUT 6
CR
OUT 7
CR
L2
1746-OA16
100 to 240V ac TRIAC OUTPUT
L1
VAC 1
OUT0
0
OUT 1
1 OUT 2
2
OUT 3
100-240V ac
3 OUT 4
CR
CR
4
OUT 5
CR
5 OUT 6
CR
6
OUT 7
7
L2
L1
VAC 2
OUT 9
11 OUT 8
10
OUT 11
13 OUT 10
CR
CR
15 OUT 12
14
OUT 15
17 OUT 14
16
SLC
PLC
100-240V ac
12
OUT 13
CR
CR
L2
Publication 1746-IN005A-US-P
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Discrete I/O Modules
Figure 14:Wiring Diagram (1746-OAP12)
1746-OAP12
100 to 240V ac HIGH CURRENT TRIAC OUTPUT
COMMONS
CONNECTED
INTERNALLY
VAC 1
L1
VAC 1
OUT 1
1
CR
100-240V ac
CR
OUT 3
OUT 5
OUT 0
0
3 OUT 2
5 OUT 4
NOT
USED
2
4
CR
NOT
USED
L2
L2
OUT 7
CR
CR
7 OUT 6
6
11 OUT 8
10
OUT 11
13 OUT 10
12
VAC 2
VAC 2
OUT 9
100-240V ac
CR
L1
COMMONS
CONNECTED
INTERNALLY
SLC
PLC
Output Modules - dc
Figure 15:Wiring Diagrams (1746-OB6EI)
1746-OB6EI
10-30V dc TRANSISTOR OUTPUT-SOURCING
CHANNEL-TO-CHANNEL ISOLATED
VDC 1
+DC
10-30V dc
CR
-DC
DC
COM 1
+DC
VDC 3
10-30V dc
CR
DC
COM 3
+DC
VDC 5
-DC
CR
+DC
OUT 0
10-30V dc
DC
COM 0
-DC
VDC 2
+DC
OUT 2
10-30V dc
DC
COM 2
-DC
VDC 4
+DC
OUT 4
10-30V dc
DC
COM 4
-DC
OUT 3
-DC
10-30V dc
VDC 0
OUT 1
OUT 5
DC
COM 5
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Discrete I/O Modules
49
Figure 16:Wiring Diagrams (1746-OB8, -OBP8, -OB16, -OB16E, -OBP16)
1746-OB8
10 to 50V dc Transistor Output-Sourcing
1746-OBP8
20.4 to 26.4V dc Transistor Output-Sourcing
+DC
VDC1
OUT 0
VDC
+DC
+DC
CR
OUT 1
CR
OUT 3
OUT 2
OUT 0
20.4-26.4V dc
OUT 1
NC
OUT 2
NC
DC
COM1
NC
OUT 3
10-50V dc
OUT 4
CR
OUT 5
CR
-DC
NC
OUT 6
OUT 7
NC
NC
+DC
CR
VDC2
OUT 4
CR
DC
COM
CR
OUT 5
CR
OUT 7
OUT 6
20.4-26.4V dc
-DC
DC
COM2
-DC
1746-OB16, 1746-OB16E, -OBP16
10 to 50V dc, 10 to 30V dc, 20.4 to 26.4V dc
Transistor Output-Sourcing
+DC
VDC
0
OUT 2
1
2
OUT 3
10-50V dc (OB16)
10-30V dc (OB16E)
20.4-26.4V dc (OBP16)
CR
3
OUT 4
5
OUT 6
7
OUT 8
4
OUT 5
6
OUT 7
OUT 9
10
11 OUT 10
CR
13 OUT 12
14
OUT 13
15
OUT 14
16
OUT 15
CR
CR
12
OUT 11
CR
PLC
OUT 0
OUT 1
CR
SLC
CR
CR
17
DC COM
-DC
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50
Discrete I/O Modules
Figure 17:Wiring Diagrams (1746-OV8, -OV16, -OVP16)
1746-OV8
10 to 50V dc TRANSISTOR
OUTPUT SINKING
VDC
+DC
OUT 0
OUT 1
OUT 2
OUT 3
10-50V dc
OUT 4
CR
OUT 5
CR
OUT 6
OUT 7
CR
CR
DC COM
-DC
1746-OV16, -OVP16
10 to 50V dc OR 20.4 to 26.4V dc TRANSISTOR
OUTPUT SINKING
+DC
VDC
OUT 0
0
OUT 1
1
OUT 2
3
OUT 4
5
OUT 6
7
OUT 8
2
OUT 3
10-50V dc (OV16)
20.4-26.5V dc (OVP16)
CR
4
OUT 5
OUT 7
CR
6
CR
10
OUT 9
11 OUT 10
12
OUT 11
13
OUT 12
15
OUT 14
14
OUT 13
CR
CR
OUT 15
-DC
17
16
CR
CR
CR
DC COM
SLC
PLC
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Discrete I/O Modules
51
Figure 18:Wiring Diagrams (1746 -OG16)
1746-OG16
TTL OUTPUT (Low = True)
+DC
VDC
L
OUT 0
L
OUT 1
L
OUT 3
0
1 OUT 2
+5V dc
L
OUT 5
L
OUT 7
L
OUT 9
L
OUT 11
L
OUT 13
L
-DC
L
2
3
OUT 4
L
4
5
OUT 6
7
OUT 8
L
6
L
10
11 OUT 10
12
13 OUT 12
14
15 OUT 14
16
OUT 15
L
L
L
17
DC COM
SLC
PLC
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Discrete I/O Modules
Figure 17:Wiring
(1746-OV8, -OV16, -OVP16)
Relay
Contact Diagrams
Output Modules
Figure 19:Wiring
Diagrams (1746 -OW4, -OW8, -OW16)
1746-OV8
10 to 50V dc TRANSISTOR
OUTPUT SINKING
1746-OW4
RELAY OUTPUT
VDC
1746-OW8
RELAY OUTPUT
+DC
OUT 0
VAC-VDC
OUT 0
V ac/dc
OUT 2
OUT 1
CR
OUT 4
OUT 3
CR
L1+DC
or +DC
10-50V dc
CR
L2 or -DC
CR
OUT 3
CR
VAC-VDC
2
CR
OUT 4
CR
L2 or -DC
L1 or +DC
V ac/dc
OUT 5
-DC
OUT 6
CR
OUT 7
CR
L2 or -DC
1746-OV16, -OVP16
10 to 50V dc OR 20.4
to 26.4V dc TRANSISTOR
1746-OW16
OUTPUT
SINKING
RELAY OUTPUT
10-50V dc (OV16) CR
20.4-26.5V dc (OVP16)
CR
CR
CR
VAC-VDC
OUT0
VDC
1
0
OUT 1
OUT1 2
1OUT
21
OUT 3
34
OUT
3OUT
OUT 5
43
5 6
OUT
5OUT
65
OUT 7
7OUT 7
7
OUT 0
0
OUT 2
2
CR
OUT 4
4
OUT 6CR
6
OUT 8
CR
10
L2 or -DC
CR
CR
SLC
OUT 2
CR
V ac/dc
-DC
V ac/dc
OUT 1
OUT 3
OUT 2
NOT OUT 5
USED
NOT OUT 6
USED
NOT OUT 7
USED
DC COM
NOT
USED
OUT
7
NOT
USED
L1 or +DC
VAC-VDC
1
L1 or +DC
OUT 1
OUT 0
OUT 9
VAC-VDC
11 OUT 10
OUT 9 OUT 112
12
11 OUT 813 OUT 12
10
14
OUT 11 OUT 13
OUT 10
CR
15 OUT 14
13
16
OUT 13
12
OUT 15
CR
15 OUT 1217
CR
DC
COM
OUT 15
14
17 OUT 14
CR
16
PLC
L1 or +DC
CR
CR
CRV
ac/dc
SLC
PLC
L2 or -DC
Publication 1746-IN005A-US-P - January 2000
40071-07901(A)
Supersedes Publication 1746-5.3 - March  2000 Rockwell International. All Rights Reserved.
´H'*o!¶A"¨
Publication 1746-IN005A-US-P
Discrete I/O Modules
53
Figure 20:Wiring Diagram (1746-OX8)
1746-OX8
CHANNEL-TO-CHANEL ISOLATED RELAY
VS0 L1
VAC-VDC
0
VS1 L1
VAC-VDC
1
VS2 VDC
VS3 VDC
VAC-VDC
2
VAC±VDC
3
NOT USED
VS4 L1
VAC-VDC
4
VS5 L1
VAC-VDC
5
OUT 0
VAC-VDC
6
VS7 VDC
VAC-VDC
7
VS0 L2
OUT 1
VS1 L2
OUT 2
VS2 DC COM
OUT 3
CR
VS3 DC COM
CR
VS4 L2
NOT
USED
OUT 4
VS6 VDC
CR
OUT 5
VS5 L2
OUT 6
VS6 DC COM
OUT 7
CR
VS7 DC COM
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Discrete I/O Modules
Input/Output Combination Modules
Figure 21:Wiring Diagram (1746-IO4, -IO8)
1746-IO4
100/120V ac INPUT - RELAY
L1 or +DC
VAC-VDC
V ac/dc
OUT 0
OUT 1
CR
L2 or -DC
NOT
USED
NOT
USED
L1
IN 0
IN 1
100/120V ac
NOT
USED
L2
NOT
USED
OUT 7
AC COM
1746-IO8
100/120V ac INPUT - RELAY
L1 or +DC
VAC-VDC
OUT 0
V ac/dc
OUT 1
L1
OUT 2
CR
OUT 3
CR
IN 0
IN 1
100/120V ac
IN 2
IN 3
L2
OUT 7
AC COM
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Discrete I/O Modules
55
Figure 22:Wiring Diagram (1746-IO12)
1746-IO12
100/120V ac INPUT - RELAY
L1 or +DC
VAC-VDC
OUT 0
OUT 1
OUT 2
V ac/dc
OUT 3
OUT 4
CR
OUT 5
CR
NOT
USED
L2 or -DC
L1
NOT
USED
IN 0
IN 1
IN 2
IN 3
100/120V ac
IN 4
IN 5
NOT
USED
L2
NOT
USED
AC COM
Figure 23:Wiring Diagram (1746-IO12DC)
1746-IO12DC
24V dc INPUT - RELAY OUTPUT
L1 or +DC
VAC-VDC
OUT 0
OUT 1
OUT 2
V ac/dc
OUT 3
OUT 4
CR
OUT 5
CR
NOT
USED
L2 or -DC
+DC
NOT
USED
IN 0
IN 1
IN 2
10-30V dc
IN 3
IN 4
IN 5
NOT
USED
-DC
NOT
USED
DC COM
Publication 1746-IN005A-US-P
PLC is a registered trademark of Rockwell Automation.
SLC 500, SLC 5/01, SLC 5/02, SLC 5/03, SLC 5/04, and SLC 5/05 are trademarks of Rockwell Automation.
Publication 1746-IN005A-US-P - January 2000
40071-07901(A)
Supersedes Publication 1746-5.3 - March  2000 Rockwell International. All Rights Reserved.
´H'*o!¶A"¨