Siemens SIMATIC S5-115U User Manual page 221

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
Extended pulse
Example:
Output Q 4.1 is set for a specific time when the signal at input I 3.1 changes to "1". The time is
indicated in IW 15.
Timing Diagram
Signal states
1
0
1
0
t
STL
A
I
3.1
L
IW
15
SE
T
2
NOP 0
NOP 0
NOP 0
A
T
2
=
Q
4.1
EWA 4NEB 811 6130-02b
I 3.1
Q 4.1
Time
t
CSF
T 2
1
E
I 3.1
IW 15
TV
BI
DE
R
Q
Q 4.1
STEP 5 Operations
Circuit Diagram
I 3.1
T 2
T 2: Time relay with pulse
shaper
LAD
T 2
I 3.1
1
E
IW 15
TV
BI
DE
Q4.1
R
Q
Q 4.1
8-21

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