What should be done if there is always a delay in temperature control due to the interlock between the temperature control valve and the thermometer?

2015-12-18View Original

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What should be done if there is always a delay in temperature control due to the interlock between the temperature control valve and the thermometer?

Reply #22015-12-18

I heard there is a temperature compensation feature – can this solve the problem?

Reply #32015-12-18

Let’s see if it can be solved by looking at the process flow.

Reply #42015-12-18

Specifically, consider the process flow and control scheme, as well as the piping layout on site. It is recommended to modify the PID settings: reduce the proportionality factor, so that the valve position changes caused by temperature deviations are not too large; increase the differential time, and try using a greater amount of lead time

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