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3.
Set the DMM to read DC voltage in the minimum range required to cover the NI 9269
output range of ±10 V.
4.
Acquire a sample.
a.
Create and configure an AO voltage channel according to Table 2.
Table 2. NI 9269 AO Voltage Channel Configuration
Input Range
Min
-10
b.
Start the task.
c.
Generate a voltage output according to Table 3.
Samples Per Channel
d.
Wait the appropriate amount of time for the DMM measurement to settle.
e.
Read the NI 9269 output voltage measurement from the DMM.
f.
Clear the task.
5.
Compare the DMM measurement to the test limits in Table 4.
6.
Repeat steps 3 through 5 for each test point in Table 4.
7.
Disconnect the DMM from the NI 9269.
8.
Repeat steps 1 through 7 for each channel on the NI 9269.
4 | ni.com | NI 9269 Calibration Procedure
Figure 1. Accuracy Verification Connections
HI
LO
DMM
Max
Scaled Units
10
Table 3. NI 9269 Output Configuration
1
AO x +
AO x –
NI 9269
Terminal Configuration
Volts
Differential
Timeout
10.0
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