Siemens SIMATIC S7-1200 Function Manual page 368

Instructions
9.2 PID_3Step
Automatic switchover of operating mode in automatic and manual modes (PID_3Step V1.0)
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 V1 (Page 372)
Parameter ErrorBits V1 (Page 369)
368
Function Manual, 03/2017, A5E35300227-AC
PID control