Burner Control using PID


Thread Starter

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?