Cut Sheet

Volume 8—Sensing Solutions CA08100010E—November 2012 www.eaton.com V8-T12-17
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12.1
Sensor Learning Course
Learning Module 23: Limit Switches, Proximity Sensors and Photoelectric Sensors
In the Workplace
Without proximity sensors, the tips of the digits on the grippers
of a robotic arm would be numb.
Proximity Sensors Allow a Robotic Arm to Safely Handle Fragile Components
Coupled with the robot’s software control program and the
responsive sensing ability of proximity sensors, a robot can
grasp an object and not crush it.
Review 3
Answer the following questions without referring to the material
just presented. Begin the next section when you are confident
that you understand what you’ve already read.
1. Match the sensor component name to the correct picture.
Match the proximity sensor component with its function.
6. Hysteresis is the gap between the operate point
and the release point to smooth the operation of
the sensor. TRUE FALSE
Answers to Review 3 are on Page V8-T12-41.
2. Sensor coil ______ A. Sets up an
electromagnetic field to
create a wave pattern
3. Oscillator ______ B. Alerts the electrical
circuit that an object
has been detected
4. Detector ______ C. Shapes the
electromagnetic field
5. Output ______ D. Looks for a change in
frequency
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2
3
4
a. Oscillator ______
b. Output ______
c. Detector ______
d. Sensor coil ______