Which Modbus function code used by the WRITE_VAR function communicating over Modbus/TCP?
Issue:
Which Modbus function code used by the WRITE_VAR function communicating over Modbus/TCP?
Product Line:
Modicon Controller, eNOC, ETY modules
Environment:
All
Resolution:
The WRITE_VAR function block over Modbus/TCP is using Modbus Function Code FC16. Even if you want to write a single register using WRITE_VAR it will be going to use FC16.
Which Modbus function code used by the WRITE_VAR function communicating over Modbus/TCP?
Product Line:
Modicon Controller, eNOC, ETY modules
Environment:
All
Resolution:
The WRITE_VAR function block over Modbus/TCP is using Modbus Function Code FC16. Even if you want to write a single register using WRITE_VAR it will be going to use FC16.