Siemens SIMATIC S7-1200 Function Manual page 99

Procedure
Proceed as follows to use the analog output value:
1. Select the entry "Output_PER (analog)" in the drop-down list "Output".
2. Select "Instruction".
3. Enter the address of the analog output.
Proceed as follows to process the output value using the user program:
1. Select the entry "Output" in the drop-down list "Output".
2. Select "Instance DB".
The calculated output value is saved in the instance data block.
3. For the preparation of the output value, use the output parameter Output.
4. Transfer the processed output value to the actuator via a digital or analog CPU output.
Proceed as follows to use the digital output value:
1. Select the entry "Output_PWM" in the drop-down list "Output".
2. Select "Instruction".
3. Enter the address of the digital output.
PID control
Function Manual, 03/2017, A5E35300227-AC
Using PID_Compact
4.3 PID_Compact V1
99