Siemens SIMATIC S5-90U System Manual page 189

S5-90U/S5-95U
Extended pulse
Example:
Output Q32.5 is set for a specific time when the signal at input I32.0 changes to "1". The time is
indicated in IW16.
Timing Diagram
Signal states
1
0
1
0
t
STL
A I 32.0
L IW 16
SE T 2
NOP 0
NOP 0
NOP 0
A T 2
= Q 32.5
EWA 4NEB 812 6115-02b
I32.0
Q32.5
Time
t
CSF
T 2
1 V
I32.0
TV BI
IW16
DE
R Q Q32.5
STEP 5 Operations
Circuit Diagram
I32.0
T 2
T 2: Time relay with pulse shaper
LAD
T 2
I32.0
1 V
IW16 TV BI
DE
R Q
Q32.5
Q32.5
8-21