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FP-TC-120 Calibration Procedure

Calibration Executive 4.0 Help

Edition Date: March 2017

Part Number: 374564H-01

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This topic contains information for calibrating the National Instruments FP-TC-120 using Calibration Executive.

Calibration Executive Procedure Features:


Manual Mode

Selectable Test Points


Approximate Test Time: 10 minutes

Test Equipment|Device Setup|Test Limit Equations

Test Equipment

The following table lists the test equipment required for calibrating FP-TC-120 modules.

Instrument Recommended ModelRequirements
Calibrator Fluke 5700A If this instrument is unavailable, use a calibrator that is accurate to at least 10 ppm.
Network ModuleFP-1000A serial network interface module.
Terminal BaseFP-TB-CALA modified FieldPoint terminal base that enables you to write new calibration constants to the module EEPROM.
Power SupplyNI PS-2Use an 11–24 V power supply.
Serial CableUse an RS-232 serial cable.

Device Setup

Build the FieldPoint bank by completing the following steps:

  1. Attach the network module to the calibration base as shown in the following figure.

    Network module and calibration base

  2. Install the FieldPoint module on the FP-TB-CAL.
  3. Connect the FieldPoint bank to the host computer using an RS-232 cable.
  4. Set the appropriate baud rate on the network module.
  5. Connect the positive wire of the power supply to the first V terminal of the FP-1000 network module. Connect the negative wire of the power supply to the first C terminal of the FP-1000 network module as shown in the following figure.

    V terminal

  6. Launch the Calibration Executive procedure and complete the setup wizard.
  7. Make the connections shown in the first connection dialog box.
  8. While the Calibration Executive procedure runs, you are prompted to make additional connections. Follow the onscreen instructions at each prompt.
Note Note   If the FieldPoint module fails after calibration, return it to NI for repair or replacement.

Test Limit Equations

The following test limits are derived from the published specifications.

Voltage In

TestLimits = TestValue ± (TestValue * Gain Error + Offset Error)


TestLimits = TestValue [°C] ± 0.5 °C


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