
11-6
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
FUNCTION CODE 06H (STORE SINGLE SETPOINT)
CHAPTER 11: MODBUS PROTOCOL
Function Code 06H (Store Single Setpoint)
Modbus Implementation: Preset Single Register
8 Series relay Implementation: Store Single Setpoint
The command allows the master to store a single setpoint into the memory of an
8 Series relay. The slave response to this function code is to echo the entire master
transmission.
For example, request slave 17 to store the value 2 in setpoint address 04 5C. After the
transmission in this example is complete, setpoints address 04 5C contains the value 0002.
The master/slave packet format is shown next.
Table 11-7: Master Packet Format for Function Code 06H
Table 11-8: Slave Packet Format for Function Code 06H
ASE 2000 V2 Example
--> 00 00 00 00 00 06 FE 06 4A 44 03 E8
--> 00 00 00 00 00 06 FE 06 4A 44 03 E8
MASTER TRANSMISSION
BYTES
EXAMPLE
DESCRIPTION
SLAVE ADDRESS
1
FE
message for slave 254
FUNCTION CODE
1
06
store single setpoint
DATA STARTING ADDRESS
2
4A 44
setpoint address 4A 44
DATA
2
03 E8
data for setpoint address 4A 44
CRC (low, high)
2
CB 76
CRC error code
SLAVE RESPONSE
BYTES
EXAMPLE
DESCRIPTION
SLAVE ADDRESS
1
FE
message from slave 254
FUNCTION CODE
1
06
store single setpoint
DATA STARTING ADDRESS
2
4A 44
setpoint address 4A 44
DATA
2
03 E8
data for setpoint address 04A 44
CRC (low, high)
2
CB 76
CRC error code
Содержание 850
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