2261V102-UK 3
Technical characteristics
In general:
The 2261 is microprocessor-controlled and basic-calibrated meaning that input
and output can be programmed acc. to the requested signal range without any
readjust ment. This guarantees high accuracy and flexibility.
The user interface consists of a 3-digit display and 3 front function keys which are
used for taring or change of input / output signal range.
Inputs
Analog input
The analog input can be programmed for voltage in the range -40...100 mVDC with
a min. span of 10 mV and max. offset of 70% of max. mV value.
A percentage overrange of the selected measurement range can be defined, there-
by making the unit react to an mV input outside the selected 0 and 100% range.
The display will show the input percentage.
The output must be scaled in such a way that the selected overrange is within the
allowed output signal range.
Digital input:
The digital signal can be selected as either NPN (short circuit to gnd.), or PNP
(+24 VDC).
Taring
Taring can either be by way of the digital input or from the front.
At 0% taring, the analog input will show 0% after taring. At 100% taring, the
analog input will show 100% after taring, corresponding to tara + net weight =
gross weight.
The analog input span is not changed but is kept relative to the new offset value.
The taring function can be disabled at the front.
Standard current / voltage output
The analog output can be programmed to current in the range 0...20 mA or voltage
in the range 0...10 VDC with a min. span of 5 mA or 250 mVDC with max. offset of
50% of the selected max. value.
By short-circuiting pins 2 and 3, the voltage signal is available between pins 2
and 1.
For voltage signals in the range 0...1 VDC, a 50 Ω shunt (DP 2-1) is applied; in the
range 0...10 VDC, a 500 Ω shunt (DP 2-2) is applied.
When both voltage and current signals are used simultaneously, the mA loop must
go to ground through the internal shunt.
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