Instructions
9.2 PID_3Step
PID control
Function Manual, 03/2017, A5E35300227-AC
339
Pretuning, fine tuning, and transition time measurement
FALSE In the event of an error, PID_3Step switches to "Inactive" or "Approach substitute output value" mode.
The controller is only activated by a falling edge at Reset or a rising edge at ModeActivate.
The controller changes to "Inactive" mode after successful transition time measurement.
TRUE If the following error occurs, PID_3Step remains in the active mode:
• 0020h: Pretuning is not permitted during fine tuning.
The following errors are ignored:
• 10000h: Invalid value at ManualValue parameter.
• 20000h: Invalid value at SavePosition tag.
When any other error occurs, PID_3Step cancels the tuning and switches to the mode from which tun-
ActivateRecoverMode is not effective in manual mode.
Static tags of PID_3Step V2 (Page 321)
Parameters State and Mode V2 (Page 330)
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