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Automating Manufacturing Systems - Process Control and ...

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plc boolean - 6.29<br />

will allow the rung to turn on the motor, otherwise an input that is off (indicating a stop) will<br />

break the rung <strong>and</strong> cut the power.)<br />

6.<br />

X<br />

H<br />

Y<br />

Z<br />

X<br />

G<br />

Y<br />

F<br />

X<br />

E<br />

Z<br />

ETC....<br />

7.<br />

A<br />

X<br />

8.<br />

a) AB b) A+ B c) AB d) A+<br />

B

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