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NI PXIe-4464 Calibration Procedure

Documentation

Consult the following documents for information about the NI PXIe-4464, NI-DAQmx, and
your application software. All documents are available on

and help files install with the

software.

Test Equipment

Table 1 lists the equipment recommended for the performance verification and adjustment
procedures. The test instrumentation requirements are the same for each input connector variant.
If the recommended equipment is not available, select a substitute using the minimum
requirements listed in the table.

NI PXIe-4464 Getting Started Guide

NI-DAQmx driver software installation and hardware setup

NI PXIe-4464 Specifications

NI PXIe-4464 specifications and calibration interval

NI-DAQmx Readme

Operating system and application software support in NI-DAQmx

NI-DAQmx Help

Information about creating applications that use the NI-DAQmx driver

LabVIEW Help

LabVIEW programming concepts and reference information about NI-DAQmx
VIs and functions

NI-DAQmx C Reference Help

Reference information for NI-DAQmx C functions and NI-DAQmx C properties

NI-DAQmx .NET Help Support for Visual Studio

Reference information for NI-DAQmx .NET methods and NI-DAQmx .NET
properties, key concepts, and a C enum to .NET enum mapping table

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Содержание NI PXIe-4464

Страница 1: ...t Equipment 2 Test Conditions 5 Initial Setup 5 Verification 6 Adjustment 16 Reverification 18 Updating the Calibration Date without Performing Adjustment 18 Specifications 19 Where to Go for Support 19 Software Calibrating the NI PXIe 4464 requires the installation of NI DAQmx on the calibration system NI DAQmx 14 1 added driver support for the NI PXIe 4464 For the list of devices supported by a ...

Страница 2: ...uirements listed in the table NI PXIe 4464 Getting Started Guide NI DAQmx driver software installation and hardware setup NI PXIe 4464 Specifications NI PXIe 4464 specifications and calibration interval NI DAQmx Readme Operating system and application software support in NI DAQmx NI DAQmx Help Information about creating applications that use the NI DAQmx driver LabVIEW Help LabVIEW programming con...

Страница 3: ...up to 9 Vpk Digital Multimeter NI PXI 4070 IEPE Current Current Accuracy 0 9 BNC Shorting Cap quantity 4 Pomona Electronics 5085 or Pomona Electronics 3840 50 AI Offset Resistance 50 Ω BNC F F F T Connector quantity 3 Pomona Electronics 3284 AI Gain Characteristic Impedance 50 Ω BNC F to Banana Adapter quantity 1 Pomona Electronics 1269 AI Gain BNC M Cable BNC variant quantity 7 mXLR variant quant...

Страница 4: ... of the NI PXIe 4464 with BNC connectors and the NI PXIe 4464 with mXLR connectors Figure 1 NI PXIe 4464 BNC and mXLR Connector Front Panel 1 Top Module Mounting Screw 2 PFI 3 Chassis Ground 4 AI 5 AI 6 Bottom Module Mounting Screw NI PXIe 4464 DSA Analog Input AI 0 AI 1 AI 2 AI 3 PFI 0 NI PXIe 4464 DSA Analog Input AI 0 PFI 0 AI 1 AI 2 AI 3 2 2 1 1 6 6 4 3 4 5 3 3 3 5 ...

Страница 5: ...rdware and how to configure the device in Measurement Automation Explorer MAX Note When a device is configured in MAX it is assigned a device name Each function call uses this device name to determine which device to calibrate This document uses Dev_name to refer to the device name In the following procedures use the device name as it appears in MAX Self Calibration The NI PXIe 4464 includes preci...

Страница 6: ...byadjustmentandaresubjecttoreverificationafteradjustment Characteristics affected by adjustment have As Left test limits in addition to As Found test limits Characteristics unaffected by adjustment solely have test limits with no additional qualification AI Offset Accuracy Verification Complete the following steps to verify the AI offset accuracy 1 Using the equipment described in Table 1 connect ...

Страница 7: ...2 set the gain1 parameter to 10 0 10 20 and 30 as required Table 3 Gain Range and Corresponding Max and Min Voltages Desired Gain Range dB Max Voltage V Min Voltage V 20 42 4 42 4 10 31 6 31 6 0 10 0 10 0 10 3 16 3 16 20 1 00 1 00 30 0 316 0 316 Table 4 AI Offset Accuracy Limits Device Gain dB As Found Test Limit As Left Test Limit Min mV Max mV Min mV Max mV 20 9 0 9 0 2 2 2 2 10 3 0 3 0 0 75 0 7...

Страница 8: ... Limit As Left Test Limit Amplitude Vrms Frequency Hz Min Vrms Max Vrms Min Vrms Max Vrms 20 6 3 1000 6 27828 6 32180 6 29606 6 30394 10 6 3 1000 6 27828 6 32180 6 29606 6 30394 0 6 3 1000 6 27828 6 32180 6 29606 6 30394 10 2 0 1000 1 99310 2 00692 1 99875 2 00125 20 0 63 1000 0 62783 0 63218 0 62961 0 63039 30 0 2 1000 0 19931 0 20069 0 19988 0 20013 Table 6 AI Gain Verification Configuration Con...

Страница 9: ...to convert to RMS 8 Stop and clear the task 9 Repeat steps 2 through 8 for each gain setting of the device When performing step 2 configure the calibrator output to the amplitude and frequency indicated for the gain range to be verified When performing step 3 set the gain1 parameter to 10 0 10 20 and 30 as required 10 Repeat steps 1 through 9 for all input channels of the device In step 1 connect ...

Страница 10: ...able 8 4 Start the task 5 Acquire readings with the NI PXIe 4464 Table 7 AI Gain Flatness Inputs Device Gain dB Calibrator Output Amplitude Vrms Frequency Hz 20 6 3 1000 10 6 3 1000 0 6 3 1000 10 2 0 1000 20 0 63 1000 30 0 2 1000 Table 8 AI Gain Flatness Verification Configuration Configuration Value Physical channel Dev_name ai0 Gain 20 dB Coupling AC Terminal configuration Pseudodifferential Exc...

Страница 11: ...2 through 8 for each gain setting of the device When performing step 2 configure the calibrator output to the amplitude and frequency indicated for the gain range to be verified When performing step 3 set the gain1 parameter to 10 0 10 20 and 30 as required 10 Repeat steps 1 through 9 for all input channels of the device In step 1 connect the output of the calibrator to the channel being verified ...

Страница 12: ...viation of the acquired samples 6 Stop and clear the task 7 Compare the computed values to the appropriate limits in Table 11 The standard deviation is the input noise at the 20 dB gain setting at the 204 8 kS s sample rate Table 10 AI Noise Verification Configuration Configuration Value Physical channels Dev_name ai0 3 Gain 20 dB Coupling DC Terminal configuration Pseudodifferential Excitation IE...

Страница 13: ... mA and 20 mA 2 Using the equipment described in Table 1 connect the AMPS input of the digital multimeter to the analog input channel 0 of the device 3 Create and configure an AI voltage task on the device as shown in Table 12 10 4 7 10 8 20 2 0 4 3 30 1 4 2 8 1 Refer to Table 3 for the maximum and minimum voltages to specify to ensure the specified gain range is used on the module Table 12 IEPE C...

Страница 14: ... of the device In step 2 connect the AMPS input of the digital multimeter to the channel being verified In step 3 replace ai0 in the physical channel parameter with the channel being verified Timebase Frequency Accuracy Verification Note All analog inputs on a single device use the same timebase circuitry Therefore the measurements made on one channel are valid for all channels Complete the follow...

Страница 15: ...cation Configuration Configuration Value Physical channel Dev_name ai0 Gain 0 dB Coupling AC Terminal configuration Pseudodifferential Excitation IEPE 0 A Acquisition mode Finite number of samples Rate 40000 0 Samples per channel 2560000 Refer to Table 3 for the maximum and minimum voltages to specify to ensure the specified gain range is used on the module Table 15 Timebase Frequency Accuracy Lim...

Страница 16: ...s date and temperature in the device EEPROM The following performance adjustment procedures describe the sequence of operation required to adjust the NI PXIe 4464 Initialization 1 Call DAQmxInitExtCal DAQmx Initialize External Calibration VI to initialize the calibration using the following parameters deviceName Dev_name password NI calHandle myCalHandle Offset Adjustment 2 Using the equipment des...

Страница 17: ... substituting the gain parameter with 10 and the referenceVoltage parameter with 2 0 11 Configure the calibrator to output a 630 mVrms signal at 1 kHz 12 Repeat step 7 for the 20 dB gain range substituting the gain parameter with 20 and the referenceVoltage parameter with 0 63 13 Configure the calibrator to output a 200 mVrms signal at 1 kHz 14 Repeat step 7 for the 30 dB gain range substituting t...

Страница 18: ...ected by adjustment have As Left test limits in addition to As Found test limits Characteristics unaffected by adjustment solely have test limits with no additional qualification 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 Where to Go for Support for assistance in returning the device ...

Страница 19: ...d rights and restricted data rights as set forth in FAR 52 227 14s DFAR 252 227 7014 and DFAR 252 227 7015 Specifications Refer to the NI PXIe 4464 Specifications for calibration intervals and detailed specification information Where to Go for Support The National Instruments website is your complete resource for technical support At ni com support you have access to everything from troubleshootin...

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