ABB AC500-S Safety User Manual page 389

Fig. 125: Timing diagrams for SF_EDM: S_StartReset = TRUE
The following conditions force a transition to the Error state:
n Invalid static Reset signal in the process.
n Invalid EDM signal in the process.
n S_OutControl and Reset are incorrectly interconnected due to programming error.
Error Behavior
In error states, the outputs are as follows:
n In the event of an error, the S_EDM_Out is set to FALSE and remains in this safe state.
n An EDM error message must always be reset by a rising trigger at Reset.
n A Reset error message can be reset by setting Reset to FALSE.
30.03.2017
Configuration and programming
AC500-S Libraries > SafetyBlocks_PLCopen_AC500_v22.lib
AC500-S 389