Tag: Proximity switches

  • 9.4 Proximity switches

    A proximity switch is one detecting the proximity (closeness) of some object. By definition, these switches are non-contact sensors, using magnetic, electric, or optical means to sense the proximity of objects. Recall from section 9.1 that the “normal” status of a switch is the resting condition of no stimulation. A proximity switch will be in its “normal” status when it…