Connecting the inputs
47
1SVC 440 795 M0100
Pulse shape of count signals:
the logic relay processes square wave signals.
Mark-to-space ratio of count signals:
We recommend a mark-to-space ratio of 1:1.
If this is not the case:
The minimum pulse or pause duration is 0.5 ms.
t
min
= 0.5 x (1/f
max
)
t
min
= minimum time of the pulse or pause duration
f
max
= maximum count frequency (1 kHz)
Figure 25: Connecting high-speed counters and frequency
generators
0 V
0 V
...V
L01 –
F1
L01 +
I1
I2 I3
I4 I5
I6
L02 +
24 V H