Manuals+

FD-11613/FD-11614 Calibration Procedure

8-Channel/16-Channel Temperature Input Device for FieldDAQ

This document contains information for calibrating the FD-11613 and FD-11614. For more information about calibration, visit ni.com/calibration.

Contents

Software Requirements

Calibrating the FD-11613 or FD-11614 requires the installation of NI-DAQmx on the calibration system. National Instruments recommends using the latest NI-DAQmx driver. The earliest driver support version for calibrating the FD-11613 or FD-11614 is listed in the following table.

Table 1. FD-11613/11614 Driver Support
Driver Earliest Version Support for Device Calibration
NI-DAQmx 18.1

You can download NI-DAQmx from ni.com/downloads. NI-DAQmx supports many programming languages, including LabVIEW, LabWindows/CVI, C/C++, C#, and Visual Basic .NET. When you install NI-DAQmx, you only need to install support for the application software that you intend to use.

Documentation

Consult the following documents for information about the FieldDAQ device and the NI-DAQmx driver. All documents are available on ni.com/manuals; help files install with the software.

Test Equipment

The following table lists the equipment required for calibrating your FD-11613 or FD-11614. If you do not have the recommended instruments, use the minimum requirements to select substitute equipment.

Table 2. Recommended Test Equipment
Equipment Recommended Model Minimum Requirements
Calibrator Fluke 5522A locked in the 3.3 V range A high-precision voltage source with an uncertainty of ≤70 ppm when sourcing up to 50 μA.
Mini TC (x8) Omega SMPW-U-M U type

Test Conditions

The following setup and environmental conditions are required to ensure the FD-11613/11614 meets published specifications:

Calibration Procedure ⚙️

The calibration process includes the following steps:

  1. Initial Setup on page 3
  2. Verification on page 4
  3. Adjustment on page 7
  4. EEPROM Update on page 8
  5. Reverification on page 9

Initial Setup

Complete the following steps to set up the FieldDAQ device.

  1. Install the software and NI-DAQmx driver as outlined in the FD-11613/11614 Quick Start.
  2. ? You must install NI-DAQmx 18.1 or later for device calibration support.
  3. Set up the FieldDAQ device as outlined in the FD-11613/11614 Quick Start.
  4. Configure the FieldDAQ device in Measurement & Automation Explorer (NI MAX) as outlined in the FD-11613/11614 Quick Start.
  5. If the FieldDAQ device is not reserved automatically, select the device and click the Reserve Network Device button. Refer to Reserving the Device in MAX for more information.
  6. Self-test your device in MAX by expanding Devices and Interfaces » Network Devices, right-clicking your FieldDAQ device, and selecting Self-Test. Self-test performs a brief test to determine successful device installation. When the self-test finishes, a message indicates successful verification or if an error occurred. If an error occurs, refer to ni.com/support/daqmx.

Reserving the Device in MAX

When the FieldDAQ device is connected to a network, multiple users can access the device. To perform any DAQ functionality on the device, including reset and self-test, you must reserve the device in MAX. In MAX, an unreserved device or device reserved by another host appears with an X and a reserved device appears as dark grey. Only one user at a time can reserve the FieldDAQ device.

If the device was not reserved automatically after it was added (Add Device), you can reserve the device in MAX by expanding Devices and Interfaces»Network Devices, selecting the device, and clicking the Reserve Network Device button. The Override Reservation dialog box opens when you attempt to explicitly reserve a device. Agreeing to override the reservation forces the FieldDAQ device to be reserved by the current user.

Verification ✔️

The following performance verification procedures describe the sequence of operation and test points required to verify the FieldDAQ device. The verification procedures assume that adequate traceable uncertainties are available for the calibration references. Complete the following procedure to determine the As-Found status of the FieldDAQ device.

  1. Connect the calibrator to Bank 1 of the FieldDAQ device, as shown in the following figure.

Figure 1. Bank 1 Voltage Channel Verification Connections

Calibrator
HI ----+---- TC0+
LO ----+---- TC0-
     |
     +---- TC1+
     |    TC1-
     |
     +---- TC2+
     |    TC2-
     |
     +---- TC3+
     |    TC3-
     |
     +---- TC4+
     |    TC4-
     |
     +---- TC5+
     |    TC5-
     |
     +---- TC6+
     |    TC6-
     |
     +---- TC7+
          TC7-
          Bank 1
          FD-11613/11614
  1. On the calibrator, lock the voltage range to 3.3 V to reduce loading error.
    • Set the output voltage to 2.0 V.
    • Press the 3.3 V auto button to lock the 3.3 V range.
  2. Set the calibrator output to a Test Point value indicated in the following table.
Table 3. FD-11613/11614 Voltage Verification Test Limits for Positive and Negative Test Points
ADC Timing Mode Range (mV) Test Point 1-Year Limits (mV)
Minimum Maximum Location Value (mV) Lower Limit Upper Limit
High Resolution -78.125 78.125 Negative FS -70 -70.030 -69.970
Positive FS 70 69.970 70.030
Best 50 Hz Rejection -78.125 78.125 Negative FS -70 -70.030 -69.970
Positive FS 70 69.970 70.030
Best 60 Hz Rejection -78.125 78.125 Negative FS -70 -70.030 -69.970
Positive FS 70 69.970 70.030
High Speed -78.125 78.125 Negative FS -70 -70.039 -69.961
Positive FS 70 69.961 70.039

The test limits in this table are derived using the values listed in Accuracy Under Calibration Conditions.

  1. Set the calibrator to Operate mode (OPR).
  2. Acquire and average samples.
    • Create and configure an AI voltage channel on the FieldDAQ device according to the following table.
Table 4. FD-11613/11614 Voltage Channel Configuration
Physical Channel Input Range (mV) Units Terminal Configuration
Minimum Maximum
FD11613-Bank1/ai0:7 or FD11614-Bank1/ai0:7 -78.125 78.125 Volts Differential
  1. Configure the AI voltage channel timing according to the following table.
Table 5. FD-11613/11614 Voltage Channel Timing Configuration
ADC Timing Mode Sample Mode Samples to Read Rate (S/s) Timeout (s)
High Resolution Finite 20 1.8 30
Best 50 Hz Rejection Finite 80 7.1 30
Best 60 Hz Rejection Finite 100 8.3 30
High Speed Finite 1,000 85 30
  1. Start the task.
  2. Read the samples and average the readings.
  3. Clear the task.
  4. Set the calibrator to Standby mode (STBY).
  5. Compare the average to the limits in Table 3.
  6. Repeat steps 3 through 7 for each test point.
  7. Repeat steps 3 through 8 for each ADC timing mode on the FieldDAQ device (High Resolution, Best 50 Hz Rejection, Best 60 Hz Rejection, and High Speed).
  8. Disconnect the calibrator from the FieldDAQ device.
  9. Short all TC+ and TC- terminals on the FieldDAQ device together.
  10. Acquire and average samples.
    • Create and configure an AI voltage channel on the FieldDAQ device according to Table 3.
    • Configure the AI voltage channel timing according to Table 4.
    • Start the task.
    • Read the samples from each channel and average the readings.
    • Clear the task.
  11. Compare the average to the limits in the following table.
Table 6. FD-11613/11614 Voltage Verification Test Limits for Zero Test Points
ADC Timing Mode Range (mV) Test Point 1-Year Limits (mV)
Minimum Maximum Location Value (mV) Lower Limit Upper Limit
High Resolution -78.125 78.125 Zero 0 -0.0044 0.0044
Best 50 Hz Rejection -78.125 78.125 Zero 0 -0.0045 0.0045
Best 60 Hz Rejection -78.125 78.125 Zero 0 -0.0045 0.0045
High Speed -78.125 78.125 Zero 0 -0.0049 0.0049

The test limits in this table are derived using the values listed in Accuracy Under Calibration Conditions.

  1. Repeat steps 12 through 13 for each ADC timing mode on the FieldDAQ device.
  2. Disconnect the short from the TC channels.
  3. (FD-11614) Connect the calibrator to Bank 2 of the FD-11614, as shown in the following figure.

Figure 2. Bank 2 Voltage Channel Verification Connections

Calibrator
HI ----+---- TC0+
LO ----+---- TC0-
     |
     +---- TC1+
     |    TC1-
     |
     +---- TC2+
     |    TC2-
     |
     +---- TC3+
     |    TC3-
     |
     +---- TC4+
     |    TC4-
     |
     +---- TC5+
     |    TC5-
     |
     +---- TC6+
     |    TC6-
     |
     +---- TC7+
          TC7-
          Bank 2
          FD-11614
  1. (FD-11614) Complete Steps 2 through 15 for Bank 2 using FD11614-Bank2/ai0:7 as the physical channel.

Adjustment ?

Complete the following procedure to adjust the voltage accuracy of the FieldDAQ device.

  1. Connect the calibrator to Bank 1 of the FieldDAQ device, as shown in the following figure.

Figure 3. Bank 1 Voltage Channel Adjustment Connections

Calibrator
HI ----+---- TC0+
LO ----+---- TC0-
     |
     +---- TC1+
     |    TC1-
     |
     +---- TC2+
     |    TC2-
     |
     +---- TC3+
     |    TC3-
     |
     +---- TC4+
     |    TC4-
     |
     +---- TC5+
     |    TC5-
     |
     +---- TC6+
     |    TC6-
     |
     +---- TC7+
          TC7-
          Bank 1
          FD-11613/11614
  1. Initialize a calibration session on the FieldDAQ device. The default password is NI.
  2. Adjust the FieldDAQ device voltage.
    • Input the ambient temperature in degrees Celsius using the Set Temperature FieldDAQ function.
    • Call the DAQmx Get 11613 Calibration Adjustment Points or DAQmx Get 11614 Calibration Adjustment Points function.
    • On the calibrator, lock the voltage range to 3.3 V to reduce loading error.
    • Set the calibrator to the first reference value determined by the array of adjustment points.
    • Set the calibrator to Operate mode (OPR).
    • Call and configure the DAQmx Adjust 11613 Calibration or DAQmx Adjust 11614 Calibration function according to the following table.
Table 7. Voltage Adjustment Configuration
Physical Channel Reference Value
FD11613-Bank1/ai0:7 or FD11614-Bank1/ai0:7 A reference value from the array of adjustment points
  1. Set the calibrator to Standby mode (STBY).
  2. Repeat steps d through g for each reference value in the array of adjustment points.
  3. Disconnect the calibrator from the FieldDAQ device.
  4. (FD-11614) Connect the calibrator to Bank 2 of the FD-11614, as shown in the following figure.

Figure 4. Bank 2 Voltage Channel Adjustment Connections

Calibrator
HI ----+---- TC0+
LO ----+---- TC0-
     |
     +---- TC1+
     |    TC1-
     |
     +---- TC2+
     |    TC2-
     |
     +---- TC3+
     |    TC3-
     |
     +---- TC4+
     |    TC4-
     |
     +---- TC5+
     |    TC5-
     |
     +---- TC6+
     |    TC6-
     |
     +---- TC7+
          TC7-
          Bank 2
          FD-11614
  1. (FD-11614) Without closing the Bank 1 session, complete Steps 2 through 4 for Bank 2 using FD11614-Bank2/ai0:7 as the physical channel.
  2. (FD-11613) Close and commit the calibration session.
  3. (FD-11614) Close and commit both calibration sessions.

EEPROM Update ?

When an adjustment procedure is completed, the FieldDAQ device internal calibration memory (EEPROM) is immediately updated.

If you do not want to perform an adjustment, you can update the calibration date and onboard calibration temperature without making any adjustments:

  1. Call the DAQmx Initialize External Calibration function to start a calibration session on the FieldDAQ device. The default password is NI.
  2. Call the DAQmx Set Temperature FieldDAQ Calibration function to input the external temperature in degrees Celsius.
  3. Call the DAQmx Close External Calibration function to end the session. Set the Action input to Commit.

Reverification ?

Repeat Verification to determine the As-Left status of the device.

? If any test fails reverification after performing an adjustment, verify that you have met the all conditions listed in Test Conditions before returning your device to NI. Refer to Where to Go for Support for assistance in returning the device to NI.

Accuracy Under Calibration Conditions ?

The values in the following table are based on calibrated scaling coefficients, which are stored in the onboard EEPROM.

The following accuracy table is valid for calibration under the following conditions:

  • Ambient temperature 23 °C ± 5 °C
  • No nodes share power with the FieldDAQ device under calibration

The test limits listed in Tables 3 and 6 are derived using the values in the following table.

Table 8. FD-11613/11614 Voltage Accuracy Under Calibration Conditions
Mode ±PPM of Reading ±PPM of Range*
High Resolution 362 55.9
Best 50 Hz Rejection 365 56.9
Best 60 Hz Rejection 365 56.9
High Speed 487 62.3

? Values in this table are intended for calibration verification only. These values only apply under the specific calibration conditions described in this document, and are not to be construed as general operational specifications of the FD-11613 or FD-11614. For operational specifications, refer to the most recent FD-11613 Specifications or FD-11614 Specifications at ni.com/manuals.

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 troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.

National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also has offices located around the world to help address your support needs. For telephone support in the United States, create your service request at ni.com/support and follow the calling instructions or dial 512 795 8248. For telephone support outside the United States, visit the Worldwide Offices section of ni.com/niglobal to access the branch office websites, which provide up-to-date contact information, support phone numbers, email addresses, and current events.

Information is subject to change without notice. Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for information on NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents. You can find information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the NI 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. U.S. Government Customers: The data contained in this manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forth in FAR 52.227-14, DFAR 252.227-7014, and DFAR 252.227-7015.

© 2019 National Instruments. All rights reserved.

Document Version: 377491A-01, November 12, 2019

Models: FD-11613, FD-11614, FD-11613 Temperature Input Device for FieldDAQ, FD-11613, Temperature Input Device for FieldDAQ, Temperature Input Device, Input Device, Device

File Info : application/pdf, 11 Pages, 1.48MB

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FD-11613-11614-Calibration-Procedure

References

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