Asynchronous Pulse Generator - Rievtech xLogic ELC Series User Manual

The value of ＂ＴＨ＂，＂ＴＬ＂can be set/modified in parameter mode. For information about how to
modify, refer to chapter 5.2.2 please.
Timing diagram
Description of the function
With the change at input Trg to 1, the time T
Q is set to 1 for the duration of the time T
If input Trg is retriggered prior to the expiration of the preset time (T
pulse/pause period is restarted.
If retentivity is not set, output Q and the time are reset after a power failure.

5.5.7 Asynchronous pulse generator

Fashion:
Description of function
The pulse shape at the output can be modified via a configurable pulse/pause ratio.
Connection
Input En
Input Inv
Parameter
Output Q
91
T = 0; N = 1
L
(time low) is triggered. After the time T
L
(time high).
H
Classic:
Description
You enable/disable the asynchronous pulse generator with
the signal at input En.
The Inv input can be used to invert the output signal of the
active asynchronous pulse generator..
TL,TH: You can customize the pulse (TL)/ pause (TH)
ratio.
Retentivity set (on) = the status is retentive in memory.
Q is toggled on and off cyclically with the pulse times T
and T .
L
has expired, output
L
+ T ), the time Ta is reset and the
L H
H