Siemens SIMATIC S7-1200

Instructions
9.4 PID basic functions
PID control
Function Manual, 03/2017, A5E35300227-AC
459
Parameters
Data
type
Default
Description
MTR_TM TIME T#30s The time required by the actuator to move from limit stop to limit stop is entered at
the "Motor actuating time" parameter.
MTR_TM >= CYCLE
DISV REAL 0.0 For feedforward control, the disturbance variable is interconnected to the "Dis-
turbance variable" input.
Permissible are values from -100 to 100 % or a physical variable
2)
.
1)
Parameters in setpoint and process value branches with identical unit
2)
Parameters in the manipulated value branch with same unit
9.4.2.5
Output parameters CONT_S
Table 9- 16 Output parameters CONT_S
Parameters
Data
type
Default
Description
QLMNUP BOOL FALSE If the output "Manipulated value signal up" is set then the control valve should be
open.
QLMNDN BOOL FALSE If the output "Manipulated value signal down" is set then the control valve should
be closed.
PV
REAL
0.0
The effective process value is output at the "Process value" output.
ER
REAL
0.0
The effective system deviation is output at the "Error signal" output.