Additionally, there is an information about the brake control via the status word: Bit
15 of the status word or Bit 3 brake output in the brake status indicates whether the
brake output is activated on the hardware. This corresponds to the state (opening)
or (open).
Control type A or P:
1 means the brake has been activated by the safety module (brake open). This in-
formation can reach st04 with a delay of up to 10ms.
Control type K:
1 means that the brake output has been activated (brake open). The statusword bit
displays only the state of the switch, the 24V supply of the brake is not monitored.