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Automating Manufacturing Systems - Process Control and ...

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plc design - 10.13<br />

(without latches<br />

first pass<br />

step1<br />

part<br />

step1<br />

part<br />

stop<br />

part<br />

T4:0/DN<br />

stop<br />

step2<br />

step2<br />

step2<br />

T4:0/DN<br />

T4:1/DN<br />

stop<br />

TON<br />

T4:0<br />

delay 1 s<br />

step3<br />

step3<br />

step3<br />

T4:1/DN<br />

T4:2/DN<br />

stop<br />

TON<br />

T4:1<br />

delay 0.5 s<br />

step4<br />

step4<br />

step4<br />

T4:2/DN<br />

part<br />

stop<br />

TON<br />

T4:2<br />

delay 0.75 s<br />

step5<br />

step5

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