Sunith Bakundy
Member
Hi,
I am facing a problem. I want your help to sort out the problem.
I am programming a PID temperature control loop in 9030 PLC. PID loop has only analog output. But the temperature control valve is motorised & it will take only open or close pulse signal. One way to do that is to compare PID output with position transmitter of the control valve & generate open or close pulse signal. But here, Temperature control valve do not have position transmitter. Can any body suggest how to generate valve open/ close pulse signal from analog PID output in this case.
Sunith
I am facing a problem. I want your help to sort out the problem.
I am programming a PID temperature control loop in 9030 PLC. PID loop has only analog output. But the temperature control valve is motorised & it will take only open or close pulse signal. One way to do that is to compare PID output with position transmitter of the control valve & generate open or close pulse signal. But here, Temperature control valve do not have position transmitter. Can any body suggest how to generate valve open/ close pulse signal from analog PID output in this case.
Sunith