Modbus Master Command Data Fault

What does I xx .Command yy .Fault mean?

This boolean tag indicates that the data related to a specific Modbus master command (Command yy) is inaccurate and should not be trusted by the application. A value of 1 (Bad) signifies an active fault condition associated with the command execution or its resulting data. The tag automatically resets to 0 (Good) when the fault condition is resolved.

• Inaccurate data received from the Modbus slave device for Command yy
• Issue with the execution of Command yy on the Modbus master
• Problem with the Modbus slave device's response to Command yy

Click steps to track your progress.

1. 1

   Troubleshoot the module and the specific Modbus command (yy) to identify the root cause of data inaccuracy.

2. 2

   Verify the configuration of Command yy in the module's command list, including address and data type.

3. 3

   Monitor the Modbus slave device for any internal errors during the execution of Command yy.