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372263D-01

Jul14

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Note

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NI 9229/9239 

Operating Instructions and Specifications

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Summary of Contents for NI 9229

Page 1: ...y Verification 4 Gain Matching Verification 6 Phase Matching Verification 7 Adjustment 9 Accuracy Adjustment 9 EEPROM Update 10 Reverification 10 Accuracy Under Calibration Conditions 10 Worldwide Sup...

Page 2: ...nstructions and Specifications NI 9229 9239 specific information specifications and calibration interval NI DAQmx Readme Operating system and application software support in NI DAQmx LabVIEW Help LabV...

Page 3: ...ctions to the device Use twisted pairs wire to eliminate noise and thermal offsets Maintain an ambient temperature of 23 C 5 C Keep relative humidity below 80 Allow a warm up time of at least 10 minut...

Page 4: ...elf Test to ensure that the device is working properly Verification The following performance verification procedures describe the sequence of operation and provide test points required to verify the...

Page 5: ...Accuracy Verification Module Physical Channels Min V Max V Scaled Units Terminal Configuration 9229 AI0 3 60 60 Volts Differential 9239 AI0 3 10 10 Volts Differential Table 3 NI 9229 9239 Timing Conf...

Page 6: ...ure function generator according to Table 6 3 Acquire and average samples a Create and configure an AI voltage task on the NI 9229 9239 according to Table 7 Table 6 Function Generator Configuration fo...

Page 7: ...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 Phase Matchin...

Page 8: ...able the function generator g Clear the task 5 Calculate the phase for each channel on the NI 9229 9239 NI recommends using the Extract Single Tone Information VI to calculate phase Table 9 Function G...

Page 9: ...r as shown in Figure 1 Note If the calibrator outputs are truly floating the negative output must be connected to a quiet earth ground as well as AI to give the entire system a ground reference 3 Adju...

Page 10: ...determine the As Left status of the device Note If any test fails Reverification after performing an adjustment verify that you have met the Test Conditions before returning your device to NI Refer to...

Page 11: ...om manuals Worldwide Support and Services The National Instruments website is your complete resource for technical support At ni com support you have access to everything from troubleshooting and appl...

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