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LOGO! Functions
4.4.14 Asynchronous Pulse Generator
Brief description
The pulse form of the output can be modified by means of
the definable pulse duration/interpulse period ratio.
Symbol in
LOGO!
Timing diagram
En
Inv
Description of function
You can set the pulse duration and interpulse period using
the parameters T
parameters have the same time base; they cannot be set
individually to different bases.
The INV input allows the output to be inverted. The input
INV only negates the output if the block is activated by EN.
110
Connection
Input En
INV input
Parameter Par
Output Q
T
T
T
T
H
L
H
L
(Time High) and T
H
Description
The En input switches the
asynchronous pulse gener-
ator on and off.
The input INV is used to in-
vert the output signal of the
asynchronous clock pulse
generator when active.
You can set the pulse dura-
tion T
and the interpulse
H
period T
.
L
Q switches on and off cycli-
cally with the times T
T
.
L
T
T
T
H
H
L
(Time Low). Both
L
and
H
Q
LOGO! Manual
A5E00067781 01
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