Siemens SIMATIC S5-115U User Manual page 206

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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STEP 5 Operations
OR before AND Operation
Output Q 3.0 is "1" when both OR conditions have been
satisfied.
Output Q 3.0 is "0" when at least one OR condition has
not been satisfied.
STL
A(
I 1.4
O
I
1.4
O
I
1.5
I 1.5
)
A(
O
I
2.0
I 2.0
O
I
2.1
)
I 2.1
=
Q
3.0
Scan for Signal State "0"
Output Q 3.0 is "1" only when input I 1.5 is "1" (normally
closed contact activated) and input I 1.6 is "0" (normally
closed contact not activated).
STL
A
I
1.5
AN
I
1.6
=
Q
3.0
8-6
Example
CSF
1
=
>
&
1
=
>
Example
CSF
I 1.5
&
I 1.6
Q 3.0
Circuit Diagram
I 1.4
I 2.0
I 1.4
I 1.5
I 2.1
Q 3.0
Circuit Diagram
I 1.6
K 1
I 1.5
I 1.6
S5-115U Manual
I 1.5
I 2.1
Q 3.0
LAD
Q 3.0
I 2.0
I 1.5
K 1
Q 3.0
LAD
Q 3.0
EWA 4NEB 811 6130-02b

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