IFM Electronic AC402S, Programming Manual

Page: 112 / 272

SmartPLC SafeLine AC4S with fieldbus interfaces
112
>
9.3 Reset
Content
Standard-SPS .......................................................................................................................................112
Fail-safe PLC ........................................................................................................................................114
39674
>
9.3.1 Standard PLC
43368
A set of Standard PLC simultaneously starts a reset of the fail-safe PLC of AC4S.
► Note remarks about the start-up behaviour of the controller (→
Start-up behaviour of the
controller ).
>
Supported reset variants
39592
The following table shows the reset variants supported by the device-internal CODESYS Standard
PLC and the resulting system behaviour:
Type of reset System behaviour Triggering actions
Reset (warm)

standard application goes to STOP state.

Standard variables (VAR) of the standard
application are initialised.

Remanent variables (VAR RETAIN) of the
standard application keep their current values.
→
Reset the standard application (warm)
(
→ S.
113 )
Reset (cold)

standard application changes to the STOP state.

All variables (VAR, VAR RETAIN) of the standard
application are initialised.
→
Reset the standard application (cold)
(
→ S.
113 )
Reset (default)

standard application goes to STOP state.

The standard application on the Standard PLC is
deleted.

All variables (VAR, VAR RETAIN) of the standard
application are initialised.

Standard PLC is reset to the default state.
→
Reset the standard application (origin)
(
→ S.
113 )
A variable that has been declared without an initialisation value is initialised with the
variable-specific standard value (e.g.
INT = 0
).