What is Override Control? | Control Loop | Automation Loop | Electrical & Automation Guru
Override control is used to
regulate a process input to
maintain one process
output at target without
violating a constraint on
another output.
Æ Two controllers and a
control selector (Low or
High) are required for
override control.
Æ The selector output is fed
back to both controller for
the purpose of preventing
controller reset windup
when the controller is not
selected.