Siemens SIMATIC S7-1200 Function Manual page 334

Instructions
9.2 PID_3Step
Automatic switchover of operating mode in automatic mode
PID_3Step automatically switches the operating mode in the event of an error. The following
diagram illustrates the influence of ErrorBehaviour and ActivateRecoverMode on this
switchover of operating mode.
Automatic switchover of operating mode in the event of an error
Automatic switchover of operating mode once the current operation has been completed.
Automatic switchover of operating mode when error is no longer pending.
See also
Tag ActivateRecoverMode V2 (Page 338)
Parameter ErrorBits V2 (Page 335)
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Function Manual, 03/2017, A5E35300227-AC
PID control