Siemens SIMATIC S5-115U User Manual page 224

STEP 5 Operations
Off-Delay
Example:
When input I 3.4 is reset, output Q 4.4 is set to zero after a certain delay (t). The value in FW 13
specifies the delay time.
Timing Diagram
Signal states
1
0
1
0
t
STL
A I 3.4
L FW 13
SF T 5
I 3.4
NOP 0
FW 13
NOP 0
NOP 0
A T 5
= Q 4.4
8-24
I 3.4
Q 4.4
Time in sec.
t
CSF
T 5
0 T
TV BI
DE
R Q Q 4.4
S5-115U Manual
Circuit Diagram
I 3.4
T 5
Q 4.4
LAD
T 5
I 3.4
0 T
FW 13 TV BI
DE
Q 4.4
R Q
EWA 4NEB 811 6130-02b