Wednesday 6 August 2014

What is On/Off Control
On off control is like operating a switch. This type of temperature controller will turn on the heat when the process variable is below the set point and turn it off when the process variable is above the set point. These controllers normally include a delay, hysterisis and or a cycle time to reduce the cycling or "hunting" when the process variable is close to the set point.





on/off control diagram

No comments:

Post a Comment