"BF" LED

The following table describes the display functions of the "BF" LED:

LED

Meaning

Measure

–

Off

The unit has detected a connection to the PROFINET master.

–

Red

Illuminated

The connection to the PROFINET master has failed.

The device detects no connection to the PROFINET master (bus error).

  • Check the PROFINET connection of the unit.
  • Check all the cables in the PROFINET network.

The PROFINET master is not in operation.

  • Check the PROFINET master.

Faulty process data configuration.

  • Check the process data configuration.