User manual for universal counter with batching function SLIK-73
filter setting (F)
t
0
, t
1
input signal
frequency
input type
20
25,0 ms
20 Hz
30
16,7 ms
30 Hz
electronic
40
12,5 ms
40 Hz
or contact
50
10,0 ms
50 Hz
input
60
8,3 ms
60 Hz
70
7,2 ms
70 Hz
80
6,3 ms
80 Hz
90
5,6 ms
90 Hz
Tab. 6.2. Time periods t
0
,t
1
depend on filtered frequency.
When the filter is turned off , time periods t
0
i t
1
must be longer than 50
µ
s (see Figure 6.4),
and maximum counted frequency is equal 10 kHz.
a)
b)
Figure 6.4. The traces of signals:
a) without contacts oscillations, b) with contacts oscillations
18
Moments of pulses counting
t0
t1
Moments of pulses counting
t0
t1
oscillations
