Siemens SIMATIC S7-1200 Function Manual page 351

Parameters
Manual_UP
Manual_DN
Reset
PID control
Function Manual, 03/2017, A5E35300227-AC
Data type Default
BOOL FALSE
BOOL FALSE
BOOL FALSE
Description
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.
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.
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.
Instructions
9.2 PID_3Step
351