ABB AC500-S Safety User Manual page 291

Safety programmable logic controllers system

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Configuration and programming

AC500-S Libraries > SafetyBlocks_PLCopen_AC500_v22.lib

Fig. 105: Timing diagram for SF_EmergencyStop: S_StartReset = FALSE, S_AutoReset = TRUE, Start,

normal operation, safety demand, restart

The function block detects a static TRUE signal at Reset input.

Error Behavior

S_EStopOut is set to FALSE. In case of a static TRUE signal at the Reset input, the DiagCode output indi-

cates the relevant error code and the Error output is set to TRUE.

To leave the error states, the Reset must be set to FALSE.

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