What do you need to observe exercise 73 detection of

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Unformatted text preview: onal examples: a) b) c) a) Monitoring slack between web feed rollers b) Sorting according to different height c) Monitoring of batch thickness Fig. 7.4.1: Examples of application for ultrasonic proximity sensors 116 © Festo Didactic GmbH & Co. KG • FP 1110 7. Ultrasonic proximity sensors 7.5 Exercises Exercise 7.1 Smallest measurable distance When distance measuring with ultrasonic proximity sensors, the smallest measurable distance has to be taken into account. Why? Exercise 7.2 Deflection of ultra-sonic sound waves Is it possible to deflect sound waves similar to light with a mirror, by 90° for instance? What do you need to observe? Exercise 7.3 Detection of boxes on a conveyor belt A conveyor belt for metal boxes is to be interrogated as to whether boxes are available, filled or empty. The proximity sensors to be used must not only detect whether boxes are present, but also "look inside" the box from above and check whether they have been filled. The use of optical proximity sensors...
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This note was uploaded on 11/01/2012 for the course CHEMICAL 102 taught by Professor Jamesrodriguez during the Spring '12 term at Universidad Politécnica de Cartagena.

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