Siemens SIMATIC S7-1200

Instructions
9.2 PID_3Step
PID control
Function Manual, 03/2017, A5E35300227-AC
351
Parameters
Data type
Default
Description
Manual_UP BOOL FALSE In manual mode, every rising edge opens the valve by 5% of
the total control range, or for the duration of the minimum
motor transition time. Manual_UP is evaluated only if you are
not using Output_PER and there is no position feedback
available.
Manual_DN BOOL FALSE In manual mode, every rising edge closes the valve by 5% of
the total control range, or for the duration of the minimum
motor transition time. Manual_DN is evaluated only if you are
not using Output_PER and there is no position feedback
available.
Reset BOOL FALSE Restarts the controller.
• FALSE -> TRUE edge
– Switch to "Inactive" mode
– ErrorBits and Warning are reset
– Intermediate controller values are reset
(PID parameters are retained)
• TRUE -> FALSE edge
– Change in most recent active mode
– If automatic mode was active before, switchover to au-
tomatic mode is bumpless.