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Betriebsanleitung/Operating manual
EZE11
2
Micro switch adjustments
2.1
Low pass filter
The four DIP switches make it possible to select filtering in the range of
0.33 Hz to 33 Hz (see table). In the default setting the low-pass filter is set
to 33 Hz, and all DIP switches are in the "OFF" position. This means that
practically no filtering is taking place, and the response time (99.98 of the
signal) of the ZE 11 is therefore minimised to about 40 ms. The response
time with filtering of 0.33 Hz is approx. 4000 ms.
DIP Schalter ON
Time constant
setting time ( 99,98%)
cut of frequency
2.2
Zero setting
The first six microswitches make it possible to shift the zero point in steps
of 0.5 mV within a range of 0 to 31.5 mV (see table). The seventh DIP
switch is used to select the polarity of the zero point shift, either positive or
negative. For example, if a preload is being tared/compensated the "-
/negative" setting must be selected. The analogue output can be shifted by
up to a maximum of +/- 80% of the nominal load. Fine adjustments are
made using the 20-way helical potentiometer.
DIP switches ON
relative to 20mV
Input at Zero V
2.3
Span ( gain) setting
The 7 DIP switches and the trimming potentiometer allow the amplification
of input signals of 1 mV to 32 mV to be adjusted (continuously variable) to
an output signal of 0...10V and 0/4...20mA (see table)
DIP switches ON
rel. gain factor
Input for 10 V
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none
%
0
mV
0
out
none
x
1
mV
32
out
none
1
ms
5
16
ms
40
130
Hz
33
10
1
2
3
4
2,5
5
10
20
0,5
1
2
4
1
2
3
0,25
0,5
1
30
28
24
BD_BE 945 b
2
3
50
160
400
1300
3,3
1,0
5
6
all
40
80
157
8
16
31,5
4
5
6
7
2
4
8
16
16
8
4
2
4
500
4000
0,33
Pol
Pot
+/ -
35
+ /-
0,6
all
pot
33
0,3
1
9
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