Siemens SIMATIC S5-115U User Manual page 222

STEP 5 Operations
On-delay
Example:
Output Q 4.2 is set 9 sec. after input I 3.5. It remains set as long as the input is "1".
Timing Diagram
Signal states
1
0
1
0
9
STL
A I 3.5
L KT 9.2
SD T 3
NOP 0
NOP 0
NOP 0
A T 3
= Q 4.2
Note
The time value "9 sec." will have a sharper tolerance if you load the timer with the
statement "L KT 900.0".
8-22
I 3.5
Q 4.2
Time in sec.
9
CSF
T 3
T 0
I 3.5
KT 9.2
TV BI
DE
R Q Q 4.2
S5-115U Manual
Circuit Diagram
I 3.5
T 3
Q 4.2
LAD
T 3
I 3.5
T 0
KT 9.2 TV BI
DE
Q 4.2
R Q
EWA 4NEB 811 6130-02b