Instrumentation Engineering Interview Question:

What are the automatic controller MODES?

Submitted by: Administrator

Following are the mode of control. Ratio Control, PID
Control, PI Control, ON/OFF Control, Cascade Control,
Override Control, Feedback Control, Feed Froward Control.
These control are can be set in to MAN and AUTO Mode, If
this in MANUAL the mode of control is disable, If this is in
AUTO the mode of control is enable.
Submitted by: Administrator

P, I, D are the different control modes. The words like cascade control, Ratio control refer to type of control
Submitted by: Vrkavi