User manual - COUNTER SLN-94
filter setting (F)
t
0
, t
1
input signal
frequency
input type
OFF
50,0
µ
s
10 kHz
electronic
input
10
50,0 ms
10 Hz
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 t0 i t1 must be longer than 50 ms (see Figure 6.3),
and maximum counted frequency is equal 10 kHz.
a)
b)
Figure 6.3. The traces of signals:
a) without contacts oscillations, b) with contacts oscillations
19
Moments of pulses counting
t0
t1
Moments of pulses counting
t0
t1
oscillations
Summary of Contents for SLN-94
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