"BF" LED

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

LED

Meaning

Measure

–

Off

The device has detected a connection to the PROFINET master.

–

Orange

The fieldbus slave (device) does not support the configured functions in the fieldbus master.

  • Perform the configuration again.

Red

Illuminated

The connection to the PROFINET master has failed.

The device does not detect a connection to the PROFINET master (bus error).

  • Check the PROFINET connection of the device.
  • Check all the cables in the PROFINET network.
  • Check the PROFINET device name in the fieldbus master and fieldbus slave.

The PROFINET master is not in operation.

  • Check the PROFINET master.

Faulty process data configuration.

  • Check the process data configuration.