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Summary of Contents for NI 9229
- Page 1 NI-9229...
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Page 2: Table Of Contents
Reverification ........................... 10 Accuracy Under Calibration Conditions .................. 10 Worldwide Support and Services ..................... 11 Software Calibrating the NI 9229/9239 requires the installation of NI-DAQmx 9.5 or later on the calibration system. You can download NI-DAQmx from . NI-DAQmx ni.com/downloads ™... -
Page 3: Documentation
Documentation Consult the following documents for information about the NI 9229/9239, NI-DAQmx, and your application software. All documents are available on and help files install with the ni.com software. NI cDAQ-9174/9178 USB Chassis Quick Start NI-DAQmx installation and hardware setup... -
Page 4: Test Equipment
• Keep relative humidity below 80%. • Allow a warm-up time of at least 10 minutes to ensure that the NI 9229/9239 measurement circuitry is at a stable operating temperature. Initial Setup Complete the following steps to set up the NI 9229/9239. -
Page 5: Verification
Attach the other end of the wire to the system safety ground. Install the NI 9229/9239 in slot 8 of the NI cDAQ-9178 chassis. Leave slots 1 through 7 of the NI cDAQ-9178 chassis empty. Connect the NI cDAQ-9178 chassis to your host computer. - Page 6 Acquire and average samples. Create and configure an AI voltage task on the NI 9229/9239 according to Table 2. Table 2. NI 9229/9239 Configuration for Accuracy Verification Physical Scaled Terminal Module Channels Min (V) Max (V) Units Configuration 9229 AI0:3...
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Page 7: Gain Matching Verification
Table 6. Function Generator Configuration for Gain Matching Verification Signal Type Amplitude (V Frequency (kHz) Sinewave Acquire and average samples. Create and configure an AI voltage task on the NI 9229/9239 according to Table 7. Table 7. NI 9229/9239 Configuration for Gain Matching Verification Physical Scaled Terminal Module... -
Page 8: Phase Matching Verification
Repeat step 4 for each channel. Compare the channel-to-channel gain difference to the maximum limit of ±0.22 dB. If the Gain Matching verification procedure determines that the NI 9229/9239 is outside of the limits, refer to Worldwide Support and Services for assistance in returning the device to NI. - Page 9 Set the function generator frequency to a value indicated in Table 12. Acquire and average samples. Create and configure an AI voltage task on the NI 9229/9239 according to Table 10. Table 10. NI 9229/9239 Configuration for Phase Matching Verification...
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Page 10: Adjustment
±0.045° ±0.900° NI 9239 ±0.075° ±1.500° If the Phase Matching verification procedure determines that the NI 9229/9239 is outside of the limits, refer to Worldwide Support and Services for assistance in returning the device to NI. Adjustment The following performance adjustment procedure describes the sequence of operation required to adjust the NI 9229/9239. -
Page 11: Eeprom Update
Disconnect the NI 9229/9239 from the calibrator. EEPROM Update When an adjustment procedure is completed, the NI 9229/9239 internal calibration memory (EEPROM) is immediately updated. If you do not want to perform an adjustment, you can update the calibration date and onboard... -
Page 12: Worldwide Support And Services
NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS.
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