Siemens SIMATIC S5-100U System Manual page 179

S5-100U
Extended pulse
Example:
Output Q 1.0 is set for a specific time when the signal at input I 0.0 changes to "1". The time is
indicated in IW16.
Timing Diagram
Signal states
1
0
1
0
t
STL
A I 0.0
L IW 16
SE T 2
NOP 0
NOP 0
NOP 0
A T 2
= Q 1.0
EWA 4NEB 812 6120-02b
I 0.0
Q 1.0
Time
t
CSF
T 2
1 V
I 0.0
TV BI
IW16
DE
R Q Q 1.0
STEP 5 Operations
Circuit Diagram
I 0.0
T 2
T 2: Time relay with pulse shaper
LAD
T 2
I 0.0
1 V
IW16 TV BI
DE
R Q
Q 1.0
Q 1.0
8-21