Actuators are devices that convert an electrical signal from a
controller, such as a PLC, into a physical condition. Actuators are
connected to the PLC output. A motor starter is one example of
an actuator that is often connected to a PLC output. Depending
on the status of the PLC output, the motor starter either
provides power to the motor or prevents power from flowing to
the motor.
controller, such as a PLC, into a physical condition. Actuators are
connected to the PLC output. A motor starter is one example of
an actuator that is often connected to a PLC output. Depending
on the status of the PLC output, the motor starter either
provides power to the motor or prevents power from flowing to
the motor.
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