Error responses 53, Modbus register map 53, Practical modbus setup 53 – GE Industrial Solutions EntelliGuard TU Trip Units User Manual
Page 7: Step 5: attempt to communicate with the device 54, Section 9. profibus communication 55, Definitions 55, Profibus system concept 55, Profibus dp-parameterization 55, Communication setup and station addresses 55, Profibus gtu dp cyclic data 56
DEH-4567B
EntelliGuard TU Trip Units: UL/ANSI Models
©2012 General Electric All Rights Reserved
vii
Error Responses ................................................................................................................................................................................................................................. 53
Modbus Register Map ..................................................................................................................................................................................................................... 53
Practical Modbus Setup ................................................................................................................................................................................................................. 53
Step 1: Set up the Serial Port on the Master Device .................................................................................................................................................. 53
Step 2: Configure the Communication Settings on the Trip Unit: Baud Rate, Parity, Stop Bits, Modbus Slave Address/ID 54
Step 3: Supply 24VDC to the Trip Unit, and Connect the Trip Unit to the Computer ............................................................................... 54
Step 4: Configure the Master’s Communication Parameters ............................................................................................................................... 54
Step 5: Attempt to Communicate with the Device .................................................................................................................................................... 54
SECTION 9.
Profibus Communication .................................................................................................................................................... 55
Definitions ............................................................................................................................................................................................................................................. 55
Profibus System Concept.............................................................................................................................................................................................................. 55
Profibus DP-Parameterization ................................................................................................................................................................................................... 55
Communication Setup and Station Addresses ................................................................................................................................................................. 55
Profibus GTU DP Cyclic Data ....................................................................................................................................................................................................... 56
GTU Cyclic Read Telegram Definitions .................................................................................................................................................................................. 56
SECTION 10.
Battery Information .............................................................................................................................................................. 58
Battery Function ................................................................................................................................................................................................................................ 58
SECTION 11.
Maintenance and Troubleshooting.................................................................................................................................. 59
Rating Plug Removal and Replacement ............................................................................................................................................................................... 59
Battery Replacement ...................................................................................................................................................................................................................... 59
Troubleshooting Guide ................................................................................................................................................................................................................... 60
Other General Troubleshooting Issues ............................................................................................................................................................................. 61
SECTION 12.
Testing and Quality ............................................................................................................................................................... 62
Conformal Coating ........................................................................................................................................................................................................................... 62
SECTION 13.
Installation ............................................................................................................................................................................... 63
Trip Unit Removal and Replacement ...................................................................................................................................................................................... 63
Power Break I and Power Break II Insulated Case Circuit Breakers ................................................................................................................. 63
Trip Unit Removal ................................................................................................................................................................................................................... 63
Trip Unit Reinstallation ......................................................................................................................................................................................................... 64
WavePro Circuit Breakers ....................................................................................................................................................................................................... 64
Removal ....................................................................................................................................................................................................................................... 64
Reinstallation ............................................................................................................................................................................................................................ 64
AKR (225 A to 5000 A Frames) Circuit Breakers ........................................................................................................................................................... 64
EntelliGuard G Circuit Breaker Installation ..................................................................................................................................................................... 65
Trip Unit Removal (Figure 13-4 through Figure 13-7).......................................................................................................................................... 65
Trip Unit Reinstallation ......................................................................................................................................................................................................... 65
Appendix A: GTU Nomenclature .................................................................................................................................................................. 66
Appendix B: Rating Plug Nomenclature ................................................................................................................................................... 72
Appendix C: Modbus Register Map............................................................................................................................................................. 73
Appendix D: GTU Coordination Curve Settings Comparison .............................................................................................................. 90
Appendix E: GTU Pin Out Diagrams ............................................................................................................................................................ 91