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Automating Manufacturing Systems - Process Control and ...

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plc boolean - 6.36<br />

c) A<br />

X<br />

B<br />

A<br />

C<br />

C<br />

A B D<br />

E<br />

A<br />

X<br />

B<br />

A<br />

C<br />

20.<br />

A+<br />

( B+ C + D) ⋅ ( B+<br />

C) + A⋅<br />

B⋅( C + D)<br />

A ⋅ ( 1 + B⋅<br />

( C + D)<br />

) + ( B+ C + D) ⋅ B + ( B+ C + D) ⋅ C<br />

A+ ( C + D) ⋅ B + C<br />

A+ C ⋅ B+ D ⋅ B+<br />

C<br />

A+ D ⋅ B+<br />

C

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