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Table of Contents
1. SAFETY INSTRUCTIONS 3
BASIC INFORMATION ON SAFETY....................................................................................................................... 3 1.1
STANDARDS/DIRECTIVES ...................................................................................................................................... 3 1.1.1
SAFETY INSTRUCTIONS/WARNINGS ........................................................................................................................ 3 1.1.2
QUALIFICATION OF STAFF ..................................................................................................................................... 4 1.1.3
COMMISSIONING ................................................................................................................................................ 4 1.1.4
OPERATION ........................................................................................................................................................ 4 1.1.5
PROTECTIVE MEASURES ........................................................................................................................................ 5 1.1.6
MAINTENANCE ................................................................................................................................................... 5 1.1.7
RANGE OF APPLICATION ................................................................................................................................. 5 1.2
REFERENCES AND SYMBOLS ............................................................................................................................. 6 1.3
2. INTRODUCTION 7
2.1 LCD DISPLAY & LED INDICATION ................................................................................................................ 7
2.2 INBUILT FRONT PANEL OPTION SELECTION ................................................................................................ 7
2.3 INTERFACES.............................................................................................................................................. 7
2.4 EMERGENCY STOP - ESD ............................................................................................................................ 7
2.5 EVENT STORAGE & DATALOGGING OPTION ............................................................................................... 8
2.6 PARTIAL VALVE STROKE TEST (PVST) OPTION ............................................................................................. 8
2.7 INHIBIT OPTION ........................................................................................................................................ 9
2.8 REMOTE SELECTOR SWITCH ...................................................................................................................... 9
2.9 LOCAL CONTROL STATION (LCS) PRIORITY.................................................................................................. 9
2.10 REMOTE LOCAL STOP .............................................................................................................................. 9
2.11 TIMER MODE .......................................................................................................................................... 9
2.12 PROGRAMMABLE RELAYS ..................................................................................................................... 10
2.13 REAL TIME CLOCK (RTC) ......................................................................................................................... 10
2.14 POWER SUPPLY .................................................................................................................................... 11
2.15 SURGE PROTECTION AND LIGHTENING ARRESTER .................................................................................. 11
2.16 INBUILT POWER BACKUP DURING POWER OFF ...................................................................................... 11
3. FRONT PANEL DETAILS 12
SELECTOR SWITCH ...................................................................................................................................... 12 3.1
PUSH BUTTON SWITCHES ............................................................................................................................. 12 3.2
LCD SCREEN & LEDS .................................................................................................................................. 12 3.3
4. MODES OF OPERATION 14
PROGRAM MODE ................................................................................................................................... 14 4.1
EDIT/VIEW OPTION OF PROGRAM MODE ....................................................................................................... 14 4.1.1
CALIBRATION MODE ............................................................................................................................... 23 4.2
LIMIT CALIBRATION ...................................................................................................................................... 25 4.2.1
DAC CALIBRATION ........................................................................................................................................ 26 4.2.2
4-20MA CALIBRATION ..................................................................................................................................... 27 4.2.3
CHANGE TORQUE VALUE .................................................................................................................................... 29 4.2.4
PRESET TORQUE ............................................................................................................................................... 30 4.2.5
DIAGNOSTIC MODE ................................................................................................................................ 35 4.3
5. TOPOLOGY CONNECTION 37
6. REGISTER DETAILS FOR MODBUS COMMUNICATION 40
7. TROUBLESHOOTING 43
8. EPAC NAMEPLATE 47
9. DISPOSAL AND RECYCLING 49
10. SERVICE 49
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