Siemens SIMATIC S7-1200 Function Manual page 142

Using PID_3Step
5.3 PID_3Step V1
Procedure
Proceed as follows to use the analog output value:
1. Select the entry "Output (analog)" in the drop-down list "Output".
2. Select "Instruction".
3. Enter the address of the analog output.
Proceed as follows to use the digital output value:
1. Select the entry "Output (digital)" in the drop-down list "Output".
2. Select "Instruction" for Output_UP and Output_DN.
3. Enter the addresses of the digital outputs.
Proceed as follows to process the output value using the user program:
1. Select the entry corresponding to the actuator in the drop-down list "Output".
2. Select "Instruction".
3. Enter the name of the tag you are using to process the output value.
4. Transfer the processed output value to the actuator by means of an analog or digital CPU
output.
142
Function Manual, 03/2017, A5E35300227-AC
PID control