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Old December 11th, 2005, 06:12 AM   #2
United Kingdom

parky is offline
Join Date: Oct 2004
Location: Midlands
Posts: 1,023
Don't understand why you are using a PID, wouldn't it be simpler to just have an on/off valve, let the operator set a level in the tank then open valve till actual >= setpoint?, if the level drops below a certain level say 10% below setpoint then open the valve again.
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