Download User Manual - Metrix Electronics Ltd

User manual - RATEMETER STI-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................................................................................................................................17
5. FRONT PANEL DESCRIPTION................................................................................................................18
6. PRINCIPLE OF OPERATION...................................................................................................................19
6.1. MEASUREMENT MODE..................................................................................................................19
6.2. DETECTION OF THE PEAK VALUES............................................................................................20
6.3. CONTROL OF THE RELAY OUTPUTS..........................................................................................21
6.3.1. One threshold mode................................................................................................................22
6.3.2. Two thresholds mode..............................................................................................................23
7. DEVICE PROGRAMMING.........................................................................................................................24
7.1. PROGRAMMING MENU..................................................................................................................24
7.2. PARAMETERS EDITION.................................................................................................................25
7.2.1. Numeric parameters (digit change mode)...............................................................................25
7.2.2. Numeric parameters (slide change mode)..............................................................................25
7.2.3. Switch parameters (“LIST” type).............................................................................................26
7.3. MENU DESCRIPTION.....................................................................................................................26
7.3.1. “rELAy1” menu........................................................................................................................26
7.3.2. “inPUt” menu...........................................................................................................................28
7.3.3. “FiLtEr” menu..........................................................................................................................30
7.3.4. ”OutPUt” menu........................................................................................................................31
7.3.5. “briGHt” parameter..................................................................................................................33
7.3.6. “HOLd” menu...........................................................................................................................33
7.3.7. ”SECU” menu..........................................................................................................................33
7.3.8. “rS-485” menu.........................................................................................................................34
7.3.9. “Edit t” parameter....................................................................................................................35
7.3.10. “dEFS” parameter..................................................................................................................35
7.3.11. “SErv” menu..........................................................................................................................35
7.4. MENU STRUCTURE........................................................................................................................36
8. EXAMPLES OF “MUL” AND “DIV” PARAMETERS CALCULATION...................................................38
9. OUTPUT VALUE CALCULATION............................................................................................................39
10. THE MODBUS PROTOCOL HANDLING...............................................................................................39
10.1. LIST OF REGISTERS....................................................................................................................40
10.2. TRANSMISSION ERRORS DESCRIPTION..................................................................................43
10.3. EXAMPLES OF QUERY/ANSWER FRAMES...............................................................................44
11. DEFAULT AND USER'S SETTINGS LIST.............................................................................................46
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