Cut Sheet

Volume 8—Sensing Solutions CA08100010E—November 2012 www.eaton.com V8-T12-41
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12.1
Sensor Learning Course
Learning Module 23: Limit Switches, Proximity Sensors and Photoelectric Sensors
Review Answers
Review 1 Answers
1. Presence, absence
2. Limit Switch, Proximity
Sensor, Photoelectric
Sensor
3. Electromechanical
4. Inductive proximity
5. Photoelectric
Review 2 Answers
1. Operating Head,
Switch Body,
Receptacle
2. C
3. F
4. D
5. A
6. E
7. B
8. True
Review 3 Answers
9. a. 2 b. 4 c. 3 d. 1
10. C
11. A
12. D
13. B
14. True
Review 4 Answers
1. Fe rrous
2. True
3. False
4. True
5. True
6. False
Review 5 Answers
1. Tru e
2. Sensor (or Dielectric),
Oscillator Circuit,
Detector Circuit,
Output Circuit
3. True
4. False
5. False
6. True
Review 6 Answers
1. Thru-Beam. Reflex (or
Retro-Reflective),
Diffuse Reflective,
Background Rejection
(or Perfect Prox)
2. D
3. C
4. B
5. A
Review 7 Answers
1. Power required
2. Target size, color,
texture; Contamination
(dust, humidity,
debris); Application
(distance, background,
reflectivity)
3. True
4. True
5. False
Review 8 Answers
1. A
2. D
3. B
4. C
5. NPN
6. PNP
7. E
8. G
9. A
10. B
11. C
12. F
13. D