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Automating Manufacturing Systems - Process Control and ...

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discrete sensors - 4.28<br />

below.<br />

00<br />

01<br />

02<br />

+<br />

24VDC<br />

-<br />

03<br />

04<br />

05<br />

06<br />

07<br />

COM<br />

7. Sketch the wiring for inputs that include the following items.<br />

3 normally open push buttons<br />

1 thermal relay<br />

3 sinking sensors<br />

1 sourcing sensor<br />

8. A PLC has eight 10-60Vdc inputs, <strong>and</strong> four relay outputs. It is to be connected to the following<br />

devices. Draw the required wiring.<br />

• Two inductive proximity sensors with sourcing <strong>and</strong> sinking outputs.<br />

• A NO run button <strong>and</strong> NC stop button.<br />

• A 120Vac light.<br />

• A 24Vdc solenoid.

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