Control Wiring - Sensor Types. Mechanical Switch, Proximity, Retroreflective Photoelectric, Diffused Photo Electric

There is a huge variety of sensor types available for control systems.  Here is a quick explanation of some of the popular ones.

In the video the 12 o'clock sensor is an inductive proximity sensor.  I stated it was a capacitive proximity sensor.

Next Steps

Go to the Control and Power Wiring Lesson series to select your next lesson.  There are also many other Lesson Series on PLC Programming and Industrial Automation.