Cascade control is best described as:
A) A term used to describe how one control loop controls or overrides the instructions of another control loop in order to achieve a desired setpoint.
B) A term used to describe when a control valve is locked into position.
C) A term used to describe automatic control of two or more control loops.
D) A term used to link a DCS and PLC together.

Question

Quizplus · Accepted Answer

Cascade control involves one control loop (the secondary loop) controlling the setpoint of another control loop (the primary loop) to achieve better control performance or to manage process disturbances more effectively.

Cascade Control Is Best Described As