3.2 D/A Calibration Steps
1.
Run A8111CAL.EXE
2.
Connect D/A channel0,, pin 30 of CN1 to DVM
3.
Adjust VR1 until DVM=5.0000V
4.
Press “Enter" key
5.
Adjust VR2 until DVM=0.0000V
3.3 A/D Calibration Steps
1.
Press “Enter" key
2.
Connot A/D Channel 0 to analog ground, CN1-Pin1 to CN1-Pin20.
3.
Input stable DC 4.9988V to A/d channel 1, pin2 of CN1.
4.
Connect DVM to TP1(-) & (+).
5.
Adjust VR5 until DVM=0.0000V.
6.
Press <Enter> Key.
7.
Adjust VR4 until A/D data shows 4094 or 4095.
8.
Press <Enter> Key
9.
Adjust VR3 until A/D data shows 2047 or 2048.
10.
Repeat step_3 to step_11 until:
A/D channel 0 input 4.9988V
Î
A/D reading 4094 or 4095.
A/D channel 0 input 0 V
Î
A/D reading 2047 or 2048.
11.
Press <Enter> Key.
3.4 DI/O Testing
12.
Use 20-pin flat cable (OME-CA-2010, OME-CA-2020 Option) to link CN2 to CN3.
13.
Press <Enter> Key.
OME-A-8111 Hardware Manual (ver.1.1, Jul/2003)
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