Siemens SIMATIC S5-100U System Manual page 182

STEP 5 Operations
Off-Delay
Example:
When input I 0.0 is reset, output Q 1.0 is set to zero after a certain delay (t). The value in FW14
specifies the delay time.
Timing Diagram
Signal states
1
0
1
0
t
STL
A I 0.0
L FW 14
SF T 5
I 0.0
NOP 0
FW14
NOP 0
NOP 0
A T 5
= Q 1.0
8-24
I 0.0
Q 1.0
Time in s
t
CSF
T 5
0 T
TV BI
DE
R Q Q 1.0
Circuit Diagram
I 0.0
T 5
Q 1.0
LAD
T 5
I 0.0
0 T
FW14 TV BI
DE
R Q
Q 1.0
EWA 4NEB 812 6120-02b
S5-100U