3 MODBUS STANDARD FUNCTION DETAILS
3.6 Write Single Register (FC: 06H)
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3.6 Write Single Register (FC: 06H)
Operation description
Writes a value to one holding register area.
Request message format (from master to slave)
Response message format (from slave to master)
â– When completed successfully
The slave returns the request message received from the master as-is.
â– When completed with an error
(H) (L) (H) (L)
06H
Holding register number
specification
Data
Write data
Function code
(0000H to FFFFH) (0000H to FFFFH)
86H
Data
Exception code
Function code