Siemens SIMATIC S7-1200 Function Manual page 252

Instructions
9.1 PID_Compact
Parameter
ManualValue
ErrorAck
Reset
ModeActivate
252
Data type Default
REAL 0.0
BOOL FALSE
BOOL FALSE
BOOL FALSE
Description
Manual value
This value is used as the output value in manual
mode.
Values from Config.OutputLowerLimit to Con-
fig.OutputUpperLimit are permitted.
FALSE -> TRUE edge
•
ErrorBits and Warning are reset.
Restarts the controller.
FALSE -> TRUE edge
•
– Switch to "Inactive" mode
– ErrorBits and Warnings are reset.
As long as Reset = TRUE,
•
– PID_Compact remains in "Inactive" mode
(State = 0).
– You cannot change the operating mode with
Mode and ModeActivate or ManualEnable.
– You cannot use the commissioning dialog.
TRUE -> FALSE edge
•
– If ManualEnable = FALSE, PID_Compact
switches to the operating mode that is saved in
Mode.
– If Mode = 3, the integral action is treated as
configured with the tag IntegralResetMode.
FALSE -> TRUE edge
•
PID_Compact switches to the operating mode that
is saved in the Mode parameter.
Function Manual, 03/2017, A5E35300227-AC
PID control