Calibration
ADwin
20
ADwin-Gold
USB / ENET, manual version 3.8, October 2005
Please note Fig. 4 "Schematic of ADwin-Gold (USB version)".
Select
"Next Step
>>".
2. Setting the offset
Select
"Next Step
>>".
3. Setting the gain
:
The calibration for this converter has finished. Select "
OK
". Repeat step
2 for the other converters if necessary.
Step 3
With a diagram (button
Diagram
in the overview window) you can check the
accuracy
of the calibration. First connect any 2 outputs with the inputs IN1 and
IN2. Select in the diagram one of the inputs and the corresponding converter.
Connect a DMM to the selected out-
put.
Connect the voltage source (or a
calibrated DAC output) to the
selected input.
Adjust the offset value at the scroll-
bar in such a manner that your digi-
tal multimeter displays -10 V.
Set your voltage source to 0 V.The
setting of the ADC to this value is
made automatically.
Adjust the offset value at the scroll-
bar in such a manner that the set-
point at the ADC is displayed in the
overview window.
Adjust the offset value at the scroll-
bar in such a manner that your digi-
tal multimeter displays 9.375V.
Set your voltage source to 9.375 V
(setpoint). The setting of the ADC to
this value is made automatically.
Adjust the offset value at the scroll-
bar in such a manner that the set-
point at the ADC is displayed in the
overview window.
