3 function code 05h – GE Industrial Solutions EntelliPro ES User Manual
Page 147
4.10
EP OS MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: COMMUNICATION
4.1.10.3 Function Code 05H
Modbus Implementation: Force Single Coil
EntelliPro ES Implementation: Execute Operation
This function code allows the master to request a EntelliPro ES 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:
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
Table 4-4: Master/Slave Packet Format For Function Code 05H