Electrical Engineering · PLC Systems
Which of the following relies on a physical object touching an actuator or switch to change state in a PLC control system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Inductive proximity sensor
- 2Capacitive proximity sensor
- 3Mechanical contact switch✓
- 4Optical presence sensor
Correct answer
Mechanical contact switch
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