National Instruments NI 9229 Calibration Procedure
  1. Manuals
  2. Brands
  3. National Instruments Manuals
  4. Control Unit
  5. NI 9229
  6. Calibration procedure

National Instruments NI 9229 Calibration Procedure

4-channel, ±60 v/±10 v, 24-bit simultaneous, channel-to-channel isolated analog input modules
Hide thumbs Also See for NI 9229:
Table of Contents

Advertisement

Quick Links

Download this manual
CALIBRATION PROCEDURE
NI 9229/9239
4-Channel, ±60 V/±10 V, 24-Bit Simultaneous, Channel-to-Channel
Isolated Analog Input Modules
This document contains the verification and adjustment procedures for the National
Instruments 9229/9239. For more information about calibration solutions, visit
.
calibration
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 3
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 3
Verification............................................................................................................................... 4
Accuracy 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 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
supports LabVIEW, LabWindows
Basic .NET, and Microsoft Visual C#. When you install NI-DAQmx you only need to install
support for the application software that you intend to use.
™
/CVI
™
, ANSI C, Microsoft Visual C++, Microsoft Visual
ni.com/downloads
ni.com/
. NI-DAQmx

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NI 9229 and is the answer not in the manual?

Questions and answers

Related Manuals for National Instruments NI 9229

Summary of Contents for National Instruments NI 9229

  • Page 1: 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 supports LabVIEW, LabWindows ™...

  • Page 2: 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 3: 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 4: 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 5 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...

  • Page 6: 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 7: 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 8 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...

  • Page 9: 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 10: 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 11: 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.

This manual is also suitable for:

Ni 9239

Table of Contents