National Instruments NI 9225, Процедура калибровки

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ni.com | NI 9225 Calibration Procedure
Phase Matching Verification
Complete the following procedure to determine the As-Found status of the NI 9225.
1. Connect the NI 9225 to the function generator as shown in Figure 3.
Figure 3. Phase Matching Verification Connections
2. Configure function generator according to Table 8.
3. Set the function generator frequency to a value indicated in Table 11.
4. Enable the function generator.
5. Acquire samples.
a. Create and configure an AI voltage task according to Table 9.
b. Configure the task timing according to Table 10.
c. Start the task.
d. Read samples from the NI 9225.
e. Clear the task.
Table 8.
Function Generator Configuration for Phase Matching Verification
Signal Type Amplitude (V
pk
)
Sinewave 9
Table 9. NI 9225 Voltage Task Configuration for Phase Matching Verification
Physical Channels Terminal Configuration
AI0:2 Differential
Table 10.
NI 9225 Voltage Task Timing Configuration for Phase Matching Verification
Sample Mode Samples Per Channel Rate (kS/s)
Finite Samples 25000 50
NI 9225
F u nction
Gener a tor
HI
LO
AI1
–
+
AI0
–
+
AI2
–
+