Simex Simpact SRP-77, User Manual

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User manual for meter with U/I input SRP-77
CONTENTS
1. BASIC REQUIREMENTS AND USER SAFETY......................................................................................... 3
2. GENERAL CHARACTERISTICS................................................................................................................ 4
3. TECHNICAL DATA...................................................................................................................................... 4
4. DEVICE INSTALLATION............................................................................................................................. 6
4.1. UNPACKING....................................................................................................................................... 6
4.2. ASSEMBLY......................................................................................................................................... 6
4.3. CONNECTION METHOD................................................................................................................... 8
4.4. MAINTENANCE................................................................................................................................ 14
5. FRONT PANEL DESCRIPTION................................................................................................................ 14
6. PRINCIPLE OF OPERATION.................................................................................................................... 15
6.1. MEASUREMENT MODE.................................................................................................................. 15
6.2. DETECTION OF THE PEAK VALUES............................................................................................. 16
6.3. CONTROL OF THE RELAY OUTPUTS........................................................................................... 16
6.3.1. One threshold mode................................................................................................................ 18
6.3.2. Two thresholds mode.............................................................................................................. 19
7. DEVICE PROGRAMMING......................................................................................................................... 20
7.1. PROGRAMMING MENU................................................................................................................... 20
7.2. PARAMETERS EDITION.................................................................................................................. 21
7.2.1. Numeric parameters (digit change mode)............................................................................... 21
7.2.2. Numeric parameters (slide change mode).............................................................................. 21
7.2.3. Switch parameters (“LIST” type).............................................................................................. 22
7.3. MENU DESCRIPTION...................................................................................................................... 22
7.3.1. “rEL1” menu............................................................................................................................. 23
7.3.2. “inPt” menu.............................................................................................................................. 25
7.3.3. ”bri” parameter......................................................................................................................... 27
7.3.4. ”HOLd” menu........................................................................................................................... 27
7.3.5. ”SECu” menu........................................................................................................................... 28
7.3.6. ”rS” menu................................................................................................................................. 28
7.3.7. ”Edit” parameter....................................................................................................................... 30
7.3.8. ”dEFS” parameter.................................................................................................................... 30
7.3.9. ”SErv” menu............................................................................................................................. 30
7.4. MENU STRUCTURE........................................................................................................................ 31
8. THE ALARM LED...................................................................................................................................... 33
9. OVER-CURRENT PROTECTION.............................................................................................................. 33
10. DISPLAYED VALUES CALCULATION.................................................................................................. 33
10.1. ADDITIONAL CALCULATIONS (USED CONVERSION CHARACTERISTIC).............................. 33
10.1.1. Linear characteristic.............................................................................................................. 34
10.1.2. Square characteristic............................................................................................................. 34
10.1.3. Square root characteristic..................................................................................................... 35
10.1.4. User defined characteristic.................................................................................................... 35
10.2. EXAMPLES OF CALCULATIONS.................................................................................................. 36
11. THE MODBUS PROTOCOL HANDLING................................................................................................ 39
11.1. LIST OF REGISTERS..................................................................................................................... 39
11.2. TRANSMISSION ERRORS DESCRIPTION................................................................................... 42
11.3. EXAMPLES OF QUERY/ANSWER FRAMES................................................................................ 42
12. DEFAULT AND USER'S SETTINGS LIST.............................................................................................. 45
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