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Automating Manufacturing Systems - Process Control and ...

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plc timers - 9.25<br />

Solution:<br />

Go<br />

Stop<br />

Light<br />

Light<br />

Part Detect<br />

TON<br />

incoming<br />

Preset 1.5s<br />

incoming.DN<br />

Part_Good<br />

TON<br />

stopped<br />

Preset 2s<br />

incoming.DN<br />

Part_Good<br />

TON<br />

rejected<br />

Preset 0.5s<br />

stopped.EN<br />

Light<br />

Motor<br />

rejected.EN<br />

stopped.DN<br />

rejected.DN<br />

Cylinder<br />

incoming<br />

RES<br />

stopped.DN<br />

rejected.DN<br />

stopped<br />

rejected<br />

RES<br />

RES<br />

Figure 9.25<br />

A Conveyor Sorting Example<br />

www.PA<strong>Control</strong>.com

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