Types of Modbus RTU Slave Configuration Records

The configuration file may contain the following types of records:

IP address Parameters

Defines the serial communications port and settings.

Trace Log Parameters

Specifies state (on/off) of protocol stack diagnostics logging.

Modbus Register Limits

Defines the range of valid values for a Modbus analog register (memory type 3X or 4X).

Register Mapping

Defines a mapping between a CIMPLICITY point and a Modbus data address.



Any line beginning with one or more pound signs (#). Ignored by the Modbus RTU Slave Interface.


Blank lines

Ignored by the Modbus RTU Slave Interface.

More information

Step 1. Edit the Modbus RTU Slave configuration file.