Fieldbus timeout

What does 28 mean?

No master-slave communication took place within the configured response monitoring period on the fieldbus. This results in process output data being set to 0 (DO=0) and the fault is disengageable.

• Absence of master-slave communication within the defined response monitoring period.

Click steps to track your progress.

1. 1

   Check the communications routine and timing configuration of the master controller for proper operation.