Thank you for your answer.
I'm sorry. Maybe I didn't express my question clearly. As we know, I can use SIMULINK to create a algorithm on the PPMAC. My algorithm must run in international units, that is, the units of feedback must be converted from counters to meters, which means all numerical values are assigned physical meaning. As a result, the control input calculated by the algorithm (as u) is going to be on the order of +/-10v. As you say, the result of algorithm must be a numerical value in the +/-32,768 range. So I want to know how to convert it to +/-32,768.
For example, if my plant need 6v voltages, the u calculated by the algorithm is around 6 (P.S. Although this is a numerical value, it has the physical meaning of being equal to the actual analog voltage). Therefore, in order to output 6v voltages, should I multiply it by (32768/10)? And then, when it goes through the DAC module, it's multiplied by (10/32,768). As a result, the plant gets 6v voltages. Am I making myself clear?
Thank you again for your answer.