Siemens SIMATIC S5 Manual page 117

S5-115F Manual
Extended pulse
Example:
Output Q 4.1 is set for a specific time when the signal at input I 3.1 changes to "1". The time is
indicated in IW 15.
Timing Diagram
Signal states
1
0
1
0
t
STL
A I 3.1
L IW 15
SE T 2
NOP 0
*
NOP 0
*
NOP 0
*
A T 2
= Q 4.1
* NOP 0 is required if the program is to be represented in LAD or CSF in the PG 635, PG 670, PG 675, PG 685, PG 695 or
PG 750 programmers. NOP 0 operations are automatically assigned when programming in LAD and CSF.
EWA 4NEB 811 6149-02
I 3.1
Q 4.1
Time
t
CSF
T 2
1 EXT
I 3.1
IW 15
TV BI
DE
R Q Q 4.1
STEP 5 Operations
Circuit Diagram
I 3.1
T 2
T 2: Time relay with pulse
generation
LAD
T 2
I 3.1
1 EXT
TV BI
IW 15
DE
R Q
Q 4.1
Q4.1
3-21