Burner Control using PID

S

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Steven Crowther

The control is for a drying oven using a Saftronic controller and a Shinko JCS 33A temp controller. The controller maintains its setpoint quite accurately but the gas control valve (controlled by a Billman motor) appears to continually hunt to achieve this. PID settings are 7,45 and 11 respectively. I am not sure of the theory behind adjusting PID values. Can anybody guide me please?

Steven
 
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