GE 750 Guide

3 - 4 750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
FUNCTION CODE 05H: EXECUTE OPERATION CHAPTER 3: MODBUS FUNCTIONS
Operation Code 2 00 01 remote reset
Code Value 2 FF 00 perform operation
CRC (low, high) 2 DF 6A computed CRC error code
Slave Response Bytes Example Description
Table 2: Summary of Operation Codes for Function 05h
Operation
Code
Definition Description
0000h No Operation Does not do anything.
0001h Reset Performs the same function as the front panel
RESET key.
0002h Open Breaker
Performs the same function as the front panel
OPEN key. The 760 must be in
Remote Mode for this operation to be effective.
0003h Close Breaker
Performs the same function as the front panel
CLOSE key. The 760 must be
in Remote Mode for this operation to be effective.
0004h Set Time Sets the internal clock time. See page 3–7 for details.
0005h Set Date Sets the internal clock date. See page 3–7 for details.
0006h Trigger Trace Memory
Performs the same function as the logic input function TRIGGER TRACE
MEMORY.
0007h Clear Energy Use Data Performs the same function as CLEAR ENERGY USE DATA command.
0008h Clear Max Demand Data Performs the same function as the CLEAR MAX DMD DATA command.
0009h Clear Event Recorder Data
Performs the same function as the CLEAR EVENT RECORDER DATA
command.
000Ah Reset Trip Counter Data Performs the same function as the RESET TRIP COUNTER DATA command.
000Bh Reset Arcing Current Data
Performs the same function as the RESET ARCING CURRENT DATA
command.
000Ch Display Override Packet
Displays the 40 character (20 register) Override_Packet (addresses 10B1 to
10C4 hex) for the time specified in Override_Time (address 10B0 hex).
000Dh Trigger Data Logger
Performs the same function as the logic input function TRIGGER DATA
LOGGER.
000Eh Reset Trace Memory
Resets the Trace Memory oscillography data by clearing the number of
captured events to zero.
000Fh Reset Data Logger Resets the Data Logger by clearing the number of captured events to zero.
0010h Reset Ar Count Data Resets the Autoreclose Count by setting the
AR SHOT COUNT to zero.
0011h Reset Ar Rate Data Resets the Autoreclose Shot Rate by setting
AR SHOT RATE to zero.

GE 750 Specifications

General

Brand	GE
Model	750
Category	Relays
Language	English