6
|
ni.com
|
NI 9230/9232 Calibration Procedure
c.
Call the NI 9230/9232 DAQmx Get C Series Calibration Adjustment Points function
to obtain an array of recommended calibration voltages for the NI 9230/9232.
d.
Set the calibrator to a reference value determined by the array of recommended
calibration voltages.
e.
Set the calibrator to Operate mode (OPR).
f.
Call and configure the NI 9230/9232 adjustment function according to Table 6.
g.
Set the calibrator to Standby mode (STBY).
h.
Repeat steps d through g for each calibration voltage in the array.
i.
Close the calibration session.
4.
Disconnect the NI 9230/9232 from the calibrator.
EEPROM Update
When an adjustment procedure is completed, the NI 9230/9232 internal calibration memory
(EEPROM) updates immediately.
If you do not want to perform an adjustment, you can update the calibration date and onboard
calibration temperature without making any adjustments by initializing an external calibration
,
setting the C Series calibration temperature, and closing the external calibration.
Reverification
Repeat the
section to determine the As-Left status of the device.
Note
If any test fails Reverification after performing an adjustment, verify that you
before returning your device to NI. Refer to
for assistance in returning the device to NI.
Accuracy Under Calibration Conditions
The following calibration specifications are valid under the following conditions:
•
Ambient temperature 23 ±5 °C
•
NI 9230/9232 installed in slot 8 of an NI cDAQ-9178 chassis
•
Slots 1 through 7 of the NI cDAQ-9178 chassis are empty
Table 6.
Adjustment Configuration
Physical Channel
Reference Value
cDAQMod8/ai
x
The reference value from the array of adjustment points
