ABB AC500-S Safety User Manual page 290

Configuration and programming
AC500-S libraries > SafetyBlocks_PLCopen_AC500_v22.lib
Fig. 116: Timing diagrams for SF_EDM: S_StartReset = TRUE
The following conditions force a transition to the error state:
● Invalid static Reset signal in the process.
● Invalid EDM signal in the process.
● S_OutControl and Reset are incorrectly interconnected due to programming error.
Error behavior In error states, the outputs are as follows:
● In the event of an error, the S_EDM_Out is set to FALSE and remains in this safe state.
● An EDM error message must always be reset by a rising trigger at Reset.
● A Reset error message can be reset by setting Reset to FALSE.
After block activation, the optional startup inhibit can be reset by a rising edge at the Reset
input.
290 3ADR025091M0208, 12, en_US 2020/06/19