Siemens SIMATIC S7-1200 Function Manual page 119

Actuator without position feedback
Proceed as follows to configure PID_3Step for an actuator without position feedback:
1. Select the entry "No Feedback" in the drop-down list "Feedback".
Actuator with digital endstop signals
Proceed as follows to configure PID_3Step for an actuator with endstop signals:
1. Select the entry "No Feedback" in the drop-down list "Feedback".
2. Activate the "Actuator endstop signals" check box.
3. Select "Instruction" as source for Actuator_H and Actuator_L.
4. Enter the addresses of the digital inputs for Actuator_H and Actuator_L.
Actuator with analog position feedback
Proceed as follows to configure PID_3Step for an actuator with analog position feedback:
1. Select the entry "Feedback" or "Feedback_PER" in the drop-down list "Feedback".
– Use the analog input value for Feedback_PER. Configure Feedback_PER scaling in
– Process the analog input value for Feedback using your user program.
2. Select "Instruction" as source.
3. Enter the address of the analog input or the variable of your user program.
Actuator with analog position feedback and endstop signals
Proceed as follows to configure PID_3Step for an actuator with analog position feedback and
endstop signals:
1. Select the entry "Feedback" or "Feedback_PER" in the drop-down list "Feedback".
2. Select "Instruction" as source.
3. Enter the address of the analog input or the variable of your user program.
4. Activate the "Actuator endstop signals" check box.
5. Select "Instruction" as source for Actuator_H and Actuator_L.
6. Enter the addresses of the digital inputs for Actuator_H and Actuator_L.
PID control
Function Manual, 03/2017, A5E35300227-AC
the actuator settings.
Using PID_3Step
5.2 PID_3Step V2
119