Download SRT-N118 - Metrix Electronics Ltd

User manual - METER SRT-N118
CONTENTS
1. BASIC REQUIREMENTS AND USER SAFETY........................................................................................3
2. GENERAL CHARACTERISTICS................................................................................................................4
3. TECHNICAL DATA......................................................................................................................................5
4. DEVICE INSTALLATION............................................................................................................................7
4.1. UNPACKING.......................................................................................................................................7
4.2. ASSEMBLY........................................................................................................................................7
4.3. CONNECTION METHOD...................................................................................................................8
4.4. MAINTENANCE................................................................................................................................16
5. FRONT PANEL DESCRIPTION................................................................................................................17
6. PRINCIPLE OF OPERATION...................................................................................................................17
6.1. MEASUREMENT MODE..................................................................................................................17
6.2. DETECTION OF THE PEAK VALUES............................................................................................18
6.3. CONTROL OF THE RELAY OUTPUTS..........................................................................................19
6.3.1. One threshold mode................................................................................................................20
6.3.2. Two thresholds mode..............................................................................................................21
7. DEVICE PROGRAMMING.........................................................................................................................22
7.1. PROGRAMMING MENU..................................................................................................................22
7.2. PARAMETERS EDITION.................................................................................................................23
7.2.1. Numeric parameters (digit change mode)...............................................................................23
7.2.2. Numeric parameters (slide change mode)..............................................................................23
7.2.3. Switch parameters (“LIST” type).............................................................................................24
7.3. MENU DESCRIPTION.....................................................................................................................24
7.3.1. “rEL1” menu.............................................................................................................................25
7.3.2. “inPt” menu..............................................................................................................................27
7.3.3. ”OutP” menu............................................................................................................................27
7.3.4. ”bri” parameter.........................................................................................................................29
7.3.5. ”HOLd” menu...........................................................................................................................29
7.3.6. ”SECu” menu...........................................................................................................................30
7.3.7. ”rS” menu.................................................................................................................................30
7.3.8. ”Edit” parameter......................................................................................................................31
7.3.9. ”dEFS” parameter....................................................................................................................31
7.3.10. ”SErv” menu..........................................................................................................................31
7.4. MENU STRUCTURE........................................................................................................................32
8. THE ALARM LED......................................................................................................................................34
9. ANALOGUE OUTPUT VALUE CALCULATION......................................................................................34
10. THE MODBUS PROTOCOL HANDLING...............................................................................................34
10.1. LIST OF REGISTERS....................................................................................................................35
10.2. TRANSMISSION ERRORS DESCRIPTION..................................................................................38
10.3. EXAMPLES OF QUERY/ANSWER FRAMES...............................................................................38
11. DEFAULT AND USER'S SETTINGS LIST.............................................................................................41
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