Siemens SIMATIC S5-115U User Manual page 205

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
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S5-115U Manual
OR before AND Operation
Output Q 2.1 is "1" when one of the following conditions
has been satisfied:
• input I 6.0 is "1".
• input I 6.1 and either input I 6.2 or I 6.3 are "1".
Output Q 2.1 is "0" when none of the AND conditions has
been satisfied.
STL
O
I
6.0
I 6.0
O
A
I
6.1
I 6.1
A(
O
I
6.2
I 6.2
O
I
6.3
)
I 6.3
=
Q
2.1
EWA 4NEB 811 6130-02b
Example
CSF
1
=
>
&
1
=
>
Circuit Diagram
I 6.0
I 6.2
Q 2.1
LAD
I 6.0
I 6.2
I 6.1
I 6.3
Q 2.1
STEP 5 Operations
I 6.3
I 6.1
Q 2.1
8-5

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