
CHAPTER 9: MODBUS FUNCTIONS
FUNCTION CODE 05H
350 FEEDER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
9–3
Function Code 05H
Modbus Implementation: Force Single Coil
350 Implementation: Execute Operation
This function code allows the master to request a 350 to perform specific command
operations.
For example, to request slave 17 to execute operation code 1 (reset), we have the following
master/slave packet format:
Table 9-3: MASTER/SLAVE PACKET FORMAT FOR FUNCTION CODE 05H
The commands that can be performed by the 350 using function code 05 can also be
initiated by using function code 10.
MASTER TRANSMISSION
BYTES
EXAMPLE
DESCRIPTION
SLAVE ADDRESS
1
11
message for slave 17
FUNCTION CODE
1
05
execute operation
OPERATION CODE
2
00 01
operation code 1
CODE VALUE
2
FF 00
perform function
CRC
2
DF 6A
CRC error code
SLAVE RESPONSE
BYTES
EXAMPLE
DESCRIPTION
SLAVE ADDRESS
1
11
message from slave
17
FUNCTION CODE
1
05
execute operation
OPERATION CODE
2
00 01
operation code 1
CODE VALUE
2
FF 00
perform function
CRC
2
DF 6A
CRC error code
Operation Code
Description
1
Reset
4
Open
5
Close
97
Reset MWh and Mvarh Meters
99
Clear Counters
100
Clear Event Records
Содержание ML Series 350
Страница 4: ......
Страница 8: ...iv 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE ...
Страница 10: ...1 2 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE CHAPTER 1 COMMUNICATIONS INTERFACES ...
Страница 108: ...4 38 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE SR3 IEC 61850 GOOSE DETAILS CHAPTER 4 SR3 IEC61850 GOOSE ...
Страница 138: ...4 68 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE IEC 61850 COMMON DATA CLASS CHAPTER 4 SR3 IEC61850 GOOSE ...
Страница 148: ...5 10 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE OPC UA POINT LISTS CHAPTER 5 OPC UA COMMUNICATION STANDARD ...
Страница 152: ...6 4 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE MODBUS PROTOCOL CHAPTER 6 USB INTERFACE ...
Страница 300: ...10 8 350 FEEDER PROTECTION SYSTEM COMMUNICATIONS GUIDE MODBUS USER MAP CHAPTER 10 USING THE MODBUS USER MAP ...