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Automating Manufacturing Systems - Process Control and ...

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plc software - 32.7<br />

Connection to process<br />

Instrument Supply<br />

Hydraulic<br />

Pneumatic<br />

Capillary Tube<br />

Electric Signal<br />

EM, Sonic, Radioactive<br />

Mechanical Connection<br />

Software Connection<br />

Figure 32.3<br />

Flow Line Symbols <strong>and</strong> Types<br />

Figure 32.4 shows some of the more popular sensor <strong>and</strong> actuator symbols.

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