A _____ is an actuator that could be controlled by discrete output from a PLC.

Study for the Programmable Logic Controller (PLC) Test. Prepare with flashcards and multiple choice questions, each question provides hints and explanations. Get ready for your exam!

Multiple Choice

A _____ is an actuator that could be controlled by discrete output from a PLC.

Explanation:
Discrete outputs from a PLC provide binary on/off signals to drive devices that switch power to equipment. A motor starter is a classic example of an actuator that responds to such a signal: the PLC output energizes the starter coil, which pulls in the contactor and starts the motor, while also enabling overload protection for safe operation. This shows how a simple digital output can control real, high-power motion. Sensors are inputs, not actuators. A switch is typically a manual device, not something the PLC controls directly in normal operation. A valve can be controlled by a PLC, but the motor starter is the standard, straightforward example of a binary-controlled actuator used to start/stop motors.

Discrete outputs from a PLC provide binary on/off signals to drive devices that switch power to equipment. A motor starter is a classic example of an actuator that responds to such a signal: the PLC output energizes the starter coil, which pulls in the contactor and starts the motor, while also enabling overload protection for safe operation. This shows how a simple digital output can control real, high-power motion.

Sensors are inputs, not actuators. A switch is typically a manual device, not something the PLC controls directly in normal operation. A valve can be controlled by a PLC, but the motor starter is the standard, straightforward example of a binary-controlled actuator used to start/stop motors.

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