Multilin SR469 - Function Code 05

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SUPPORTED MODBUS FUNCTIONS 6. COMMUNICATIONS

6-8

6.3.4

FUNCTION CODE 05 - EXECUTE OPERATION

Modbus Implementation: Force Single Coil

SR469 Implementation: Execute Operation

This function code allows the master to request an SR469 to perform specific command operations. The command numbers listed in

the Commands area of the memory map correspond to operation code for function code 05.

The operation commands can also be initiated by writing to the Commands area of the memory map using function code 16. Refer to

FUNCTION 16 - STORE MULTIPLE SETPOINTS for complete details.

Supported Operations

Reset SR469 (operation code 1)

Motor Start (operation code 2)

Motor Stop (operation code 3)

Waveform Trigger (operation code 4)

Message Format and Example:

Reset SR469 (operation code 1).

Master Transmission Bytes Example (hex)

SLAVE ADDRESS 1 0B message for slave 11

FUNCTION CODE 1 05 execute operation

OPERATION CODE 2 00 reset command (operation code 1)

CODE VALUE 2 FF perform function

CRC 2 DD CRC calculated by the master

Slave Response

SLAVE ADDRESS 1 0B message from slave 11

FUNCTION CODE 1 05 execute operation

OPERATION CODE 2 00 reset command (operation code 1)

CODE VALUE 2 FF perform function

CRC 2 DD CRC calculated by the slave

Multilin SR469 - Function Code 05 - Execute Operation