PEX/PIO/PISO-DA Series Card
Analog Output Boards
User Manual/ Ver. 3.1/ Oct. 2013/ PMH-0010-31/ Page: 33
2.6.10
User Software Calibration
The users can perform calibration
themselves
using a voltage meter and a current meter.
Step 1:
Run DEMO12.EXE
Step 2:
Select the card number for the PEX/PIO/PISO card that you want to calibrate
Step 3:
Select the item (MinV[n]/MaxV[n]/MinI[n]/MaxI[n]) that you want to calibrate
Step 4:
Measure the analog output using the voltage meter or the current meter and decide
whether to increase or decrease the DaValue. The DaValue will immediately be sent
to the D/A converter. The user can then determine the correct value for DaValue that
is mapped to the accurate output value.
Step 5:
Repeat Step 4 for each channel
After this procedure, the new data for MinV[n]/MaxV[n]/MinI[n]/MaxI[n] will be stored in the
onboard EEPROM.
DEMO10.EXE can be executed to back up the old calibration data to “A:
\
DA16.DAT” before a
new calibration is performed.
If an error occurs while the new calibration
is being performed, DEMO11.EXE can be
executed to download the data from “A:
\
DA16.DAT” to the EEPROM.
DEMO10.EXE
Save the old calibration data
DEMO11.EXE
Download the old calibration data
DEMO12.EXE
Perform a new calibration
Note:
Demo10.exe, Demo11.exe and Demo12.exe are DOS programs that can run on either a
pure DOS or a FreeDOS (http://www.freedos.org/) system. These DOS programs do not
work on the DOS command prompt within Windows.
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