Asynchronous Pulse Generator - Siemens Logo! Manual

4.4.7

Asynchronous pulse generator

Short description
The output pulse shape can be modified by reconfiguring
the pulse/pause ratio.
Symbol in
LOGO!
Timing diagram
En
Inv
Q
LOGO! Manual
A5E00380835-01
Wiring
Input En
Input INV
Parameter
Output Q
T T T T
H L H L
Description
You can use input EN to set
and reset the asynchronous
pulse generator.
Input INV can be used to in-
vert the output signal of the
active asynchronous pulse
generator.
You can configure the pulse
width T and the interpulse
H
width T .
L
Retentivity:
/ = No retentivity
R = The status is retentive.
Q is set and reset cyclically
according to the pulse/
pause ratio T
T T T
H H L
LOGO! functions
and T .
H L
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