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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.