SafetyDemand output

Output for signaling "safety-related function requested" (request for the stop function at the S_EnableSwitchOut output of the function block).

This output indicates whether the safety chain is interrupted and as a result, the attention of the operator is required. The operator must verify the safety equipment and ensure that the safety chain is closed again.

Data type: BOOL

Initial value: FALSE

Connection: Connect the SafetyDemand output to an output terminal of your application, either directly or via other standard functions/function blocks.

Value

Description

TRUE

The safety-related function is requested (enable switch is in switching stage 2), or the function block is in one of the following diagnostic states.

  • 8802

  • 8812

  • 8822

  • 8832 (status "Wait for equivalence". In case of a following equivalent error, SafetyDemand switches back to FALSE.)

Refer to the topic "Diagnostic codes" for details about these states as well as the FB/environmental conditions.

FALSE

The safety-related function is not requested.