User manual - METER SUR-94
CONTENTS
1. BASIC REQUIREMENTS AND USER SAFETY........................................................................................3
2. GENERAL CHARACTERISTICS................................................................................................................4
3. TECHNICAL DATA......................................................................................................................................4
4. DEVICE INSTALLATION............................................................................................................................7
4.1. UNPACKING.......................................................................................................................................7
4.2. ASSEMBLY........................................................................................................................................8
4.3. CONNECTION METHOD.................................................................................................................10
4.4. MAINTENANCE................................................................................................................................18
5. FRONT PANEL DESCRIPTION................................................................................................................18
6. PRINCIPLE OF OPERATION...................................................................................................................1
6.1. MEASUREMENT MODE..................................................................................................................19
6.2. DETECTION OF THE PEAK ALUES............................................................................................21
6.3. CONTROL OF THE RELAY OUTPUTS..........................................................................................21
6.3.1. One threshold mode................................................................................................................23
6.3.2. Two thresholds mode..............................................................................................................24
7. DEVICE PROGRAMMING.........................................................................................................................25
7.1. PROGRAMMING MENU..................................................................................................................25
7.2. PARAMETERS EDITION.................................................................................................................26
7.2.1. Numeric parameters (digit change mode)...............................................................................26
7.2.2. Numeric parameters (slide change mode)..............................................................................26
7.2.3. Switch parameters (“LIST” type).............................................................................................27
7.3. MENU DESCRIPTION.....................................................................................................................27
7.3.1. “rEL1” menu.............................................................................................................................28
7.3.2. “bEEP” menu...........................................................................................................................30
7.3.3. “inPt” menu (common parameters).........................................................................................30
7.3.4. “inPt” menu (parameters of temperature inputs).....................................................................31
7.3.5. “inPt” menu (parameters of current and voltage inputs).........................................................31
7.3.6. ”OutP” menu............................................................................................................................33
7.3.7. ”bri” parameter.........................................................................................................................35
7.3.8. ”HOLd” menu...........................................................................................................................35
7.3.9. ”SECu” menu...........................................................................................................................36
7.3.10. ”rS” menu...............................................................................................................................36
7.3.11. ”Edit” parameter....................................................................................................................37
7.3.12. ”dEFS” parameter..................................................................................................................37
7.3.13. ”SErv” menu..........................................................................................................................37
7.4. MENU STRUCTURE........................................................................................................................38
8. THE ALARM LED......................................................................................................................................40
. OVER-CURRENT PROTECTION.............................................................................................................40
10. DISPLAYED VALUES CALCULATION..................................................................................................40
10.1. ADDITIONAL CALCULATIONS (USED CON ERSION CHARACTERISTIC).............................40
10.1.1. Linear characteristic..............................................................................................................41
10.1.2. Square characteristic............................................................................................................41
10.1.3. Square root characteristic.....................................................................................................42
10.1.4. User defined characteristic...................................................................................................42
10.2. EXAMPLES OF CALCULATIONS.................................................................................................43
11. THE MODBUS PROTOCOL HANDLING...............................................................................................46
11.1. LIST OF REGISTERS....................................................................................................................46
11.2. TRANSMISSION ERRORS DESCRIPTION..................................................................................51
11.3. EXAMPLES OF QUERY/ANSWER FRAMES...............................................................................51
12. DEFAULT AND USER'S SETTINGS LIST.............................................................................................54
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