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S5-100U
Further Reduction in the Execution Time in Normal Mode
Logic operations executed in one input byte, output byte, or flag byte require only 2 µs per logic
operation. Program your control according to example 2.
Example 1:
STL
A
I
AN
I
ON
I
O
I
=
Q
A
F
A
F
AN
F
=
Q
Execution time
Approx. 6 µs/binary operation
EWA 4NEB 812 6120-02
Time/ µs
5
0.0
6
1.1
6
2.3
6
3.5
8
4.2
5
15.1
6
16.3
6
17.7
8
4.5
56 µs
Introduction to STEP 5
Example 2:
Time/ µs
STL
5
A
I
0.0
2
AN
I
0.1
2
ON
I
0.3
2
O
I
0.5
8
=
Q
4.2
5
A
F
15.1
2
A
F
15.3
2
AN
F
15.7
8
=
Q
4.5
36 µs
Execution time
Approx. 4 µs/binary operation
7-23
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