I’m seeking help from fellow sailors: how can a PID diagram be used to represent the valve opening at the high limit of the pressure sensor and the valve closing at the low limit?

2025-08-26View Original

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Gentlemen, I’m just starting to learn about PID diagrams. I want to make it so that XV20104 is opened when PT20109 is above 10 MPa, and it is closed when PT20109 is below 6 MPa. I need help figuring out how to express this

Reply #22025-09-10

We use a pressure gauge to indicate high or low levels, and then an electrical signal is used to control the valve. As for whether it opens high and closes low or opens low and closes high, that is not indicated here.

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I’m seeking help from fellow sailors: how can a PID diagram be used to represent the valve opening at the high limit of the pressure sensor and the valve closing at the low limit?

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