How many control valves can a temperature signal control?
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How many control valves can a temperature signal control? Are there five? Experts, can you help solve this?
I have seen cases where several signals control one
It depends on whether the process parameters are relevant and controllable; this can be achieved by using a DCS to control several control valves.
It’s possible in either case: one-to-many or many-to-one!
It depends on the process requirements; the instrumentation field can implement control of any number of control valves