National Instruments PXIe-4468 - 1. 32 B32 BConnect the AO channel under test to the DMM as shown in Figure 5 or Figure 6.; 2. 33 B33 BConfigure the DMM using the information in Table 12.; 3. 34 B34 BConfigure an AO Voltage channel task using the values in Table 13.

PXIe-4468 Calibration Procedure
© National Instruments Corporation 21
Verification Procedure
Complete the following procedure to verify the AO differential offset
accuracy.
Repeat 2 times, once for each channel.
1. Connect the AO channel under test to the DMM as shown in Figure 5 or
Figure 6.
2. Configure the DMM using the information in Table 12.
Table 12: DMM Configuration
Configuration Value
Function DC Volts (DCV)
Range Fixed - 100 mV
Number of Power Line Cycles (NPLC) 100
MATH NULL Enabled
Repeat 2 times, once for each output terminal configuration.
Repeat 4 times, once for each AO Attenuation.
3. Configure an AO Voltage channel task using the values in Table 13.
Table 13: AO Setup
Configuration Value
Physical Channels Dev_name/aox
Output Terminal Configuration Differential
Rate 200000 S/s
Sample Mode Continuous Sample
Samples Per Channel 20000
Common-Mode Voltage 0V