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Automating Manufacturing Systems - Process Control and ...

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plc states - 12.27<br />

CALCULATE STATE EQUATIONS<br />

ST1<br />

T1<br />

ST1<br />

T4<br />

T5<br />

ST2<br />

T2<br />

ST2<br />

T1<br />

ST3<br />

T3<br />

ST3<br />

T2<br />

ST4<br />

T4<br />

ST4<br />

T3<br />

Figure 12.29<br />

Ladder Logic for the State-Transition Equations

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