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NI 9230/9232 Calibration Procedure
6.
Connect the power source to the NI cDAQ-9178 chassis.
7.
Launch Measurement & Automation Explorer (MAX).
8.
Right-click the device name and select
Self-Test
to ensure that the module is working
properly.
Verification
The following performance verification procedures describe the sequence of operation and
provide test points required to verify the NI 9230/9232. The verification procedures assume that
adequate traceable uncertainties are available for the calibration references.
Accuracy Verification
Complete the following procedure to determine the As-Found status of the NI 9230/9232.
1.
Set the calibrator to Standby mode (STBY).
2.
Connect the NI 9230/9232 to the calibrator as shown in Figure 1.
Figure 1.
Accuracy Verification Connections
3.
Set the calibrator voltage to a Test Point value indicated in Table 5.
4.
Set the calibrator to Operate mode (OPR).
5.
Acquire and average samples of each channel.
a.
Create and configure an AI voltage task on the NI 9230/9232 according to Table 3.
Table 3.
NI 9230/9232 Configuration for Accuracy Verification
Min (V)
Max (V)
Scaled Units
Physical
Channels
Channel
Configuration
-30
30
Volts
AI0:2
DC Coupled
NI 92
3
0/92
3
2 with
S
crew-Termin
a
l
C
a
li
b
r
a
tor
HI
LO
AI1
–
+
AI0
–
+
AI2
–
+
NI 92
3
0/92
3
2
with BNC
C
a
li
b
r
a
tor
HI
LO
AI1
AI0
AI2
+
–
+
–
+
–