SmartPLC SafeLine AC4S with fieldbus interfaces
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9.3.2
Fail-safe PLC
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Supported types of reset
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The following table shows the types of reset supported by the device-internal fail-safe PLC and the
resulting system behaviour:
Type of reset
System behaviour
Triggering actions
Reset (cold)
Safe application changes to the STOP state.
All variables (VAR, VAR RETAIN) of the safe
application are re-initialised.
→
Reset safe application (cold)
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Reset safe application (cold)
43064
To reset the safe application on the fail-safe PLC execute one of the following actions:
Download new safe application to device
►
→
Transfer CODESYS project to device
CODESYS: Execute command "Reset (cold)"
►
Set [SafetyApp] as active application.
►
Select [Online] > [Login].
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Fail-safe PLC changes to the online mode.
►
Select [Online] > [Reset cold] to reset the safe application on the device.