The configuration file may contain a Trace Log Parameters record.

The format for the Trace Log Parameters record is:

TF,<logging state>

Where

TF	Identifies the record as a trace log parameters record.
<logging state>	Protocol stack logging state. Valid settings: On, Off. Default value: Off.

Note: If the Trace Log Parameters record is not defined, the protocol stack logging state is Off.

Trace log messages are written to the standard error file associated with the Modbus TCP Slave Interface process.

Using the Protocol Stack trace log.

More information

Types of Modbus TCP Slave configuration records.

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