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Automating Manufacturing Systems - Process Control and ...

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discrete sensors - 4.32<br />

5.<br />

A transparent bottle can be picked up with a capacitive, ultrasonic, diffuse optical sensor.<br />

A particular model can be selected at a manufacturers web site (eg., www.banner.com,<br />

www.hydepark.com, www.ab.com, etc.) The figure below shows the<br />

sensor connected to a sourcing PLC input card - therefore the sensor must be sinking,<br />

NPN.<br />

+<br />

24VDC<br />

-<br />

V+<br />

0<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7

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