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Automatic control function programming manual ladder language

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5.2.7.2 Bit List in the Test Zone<br />

Bit lists are used to optimise the size and speed of networks.<br />

The flowchart below shows the principle of bit list processing by the system. Whenever a bit is false, the system skips<br />

the next bit tests.<br />

5 - 22 en-938846/5<br />

No<br />

No<br />

Bit 1<br />

true<br />

Bit 2<br />

true<br />

Bit n<br />

true<br />

Yes<br />

Yes<br />

Non<br />

Output rung = 0<br />

Yes

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