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Micro Motion Fisher Rosemount RFT9739 - User Manual

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Model RFT9739
Rack-Mount Transmitter
Instruction Manual
Version 3 Transmitters
February 2000

Table of Contents

Questions and Answers

  • A
    Audrey RamosAug 14, 2025
    How to resolve 'Freq Overrange' on Micro Motion Transmitter?
    • D
      Danielle SmithAug 14, 2025
      If your Micro Motion Transmitter displays 'Freq Overrange', it indicates that the flow rate is driving the output from the terminals to 0 or 15 kHz. To resolve this, change the flow measurement units to a more appropriate scale for your application.
  • V
    Vincent MontgomeryAug 17, 2025
    What to do if I get a Sensor Error on my Micro Motion Transmitter?
    • I
      ivan02Aug 17, 2025
      If you are experiencing a 'Sensor Error' with your Micro Motion Transmitter, it could be due to a faulty cable or an issue within the sensor itself. First, check the cable connections at the transmitter for any opens or shorts; if found, reconnect the wiring or repair the cable. If the open or short is located at the sensor, specifically in the left or right pickoff, the sensor should be returned to Micro Motion for further inspection and repair.
  • D
    Derek ThompsonAug 20, 2025
    How to configure a Micro Motion Transmitter that shows 'NOT CONFIGURED'?
    • J
      James WilsonAug 21, 2025
      If your Micro Motion Transmitter shows 'NOT CONFIGURED', it means the device hasn't been set up yet. To resolve this, use a HART Communicator or the ProLink program to configure the transmitter according to your specific requirements.
  • T
    Terry YorkAug 25, 2025
    What to do if my Micro Motion Transmitter shows 'Input Overrange'?
    • T
      travis65Aug 25, 2025
      If your Micro Motion Transmitter displays 'Input Overrange', it indicates that the flow rate is exceeding the sensor's limit. To fix this, ensure that the sensor is filled with the process fluid within the recommended range.
  • S
    sergioevansAug 27, 2025
    What does 'Drive Overrng' mean on my Micro Motion Transmitter and how to fix it?
    • M
      Mark SimsAug 27, 2025
      If your Micro Motion Transmitter shows a 'Drive Overrng' error, it signifies that the flow rate is exceeding the sensor's operational limits. To resolve this, ensure the sensor is filled with process fluid to bring the flow rate within the acceptable range.
  • L
    Luis BairdAug 30, 2025
    Why does my Micro Motion Transmitter show 'Temp Overrange' and how can I fix it?
    • J
      James StevensAug 30, 2025
      If your Micro Motion Transmitter displays 'Temp Overrange', it means the temperature is outside the sensor's specified limits. You should bring the temperature within the sensor's acceptable range to resolve this issue.
  • P
    pfriedmanSep 3, 2025
    What causes 'Dens Overrng' on a Micro Motion Transmitter and how to calibrate it?
    • H
      Haley SmithSep 3, 2025
      If your Micro Motion Transmitter displays 'Dens Overrng', it suggests that the density factors are inappropriate. To correct this, calibrate the transmitter for density to ensure accurate measurements.
  • F
    fsparksSep 6, 2025
    What does 'mA 1 saturated' mean on my Micro Motion Transmitter and how do I fix it?
    • S
      Sharon SimonSep 7, 2025
      If your Micro Motion Transmitter shows 'mA 1 saturated', it means the output from the terminals is at 0, 3.8, or 20.5 mA. To resolve this, change the value of the variable at 20 mA.
  • E
    erinkellySep 10, 2025
    How to fix 'mA 2 saturated' on a Micro Motion Transmitter?
    • B
      Bryan GrossSep 10, 2025
      If your Micro Motion Transmitter shows 'mA 2 saturated', it indicates that the output from the terminals is at 0, 3.8, or 20.5 mA. To resolve this, you should change the value of the variable at 20 mA.

Summary

Getting Started

Hazardous area installations

Details safety precautions and requirements for hazardous area installations.

Configuration, calibration, and characterization

Explains the differences between configuration, calibration, and characterization.

Transmitter Mounting

Power-Supply and Sensor Wiring

Power supply and grounding

Covers power supply options and essential grounding procedures for safe operation.

Changing power-supply voltage

Details the procedure for adjusting the transmitter's AC power-supply voltage.

Sensor wiring

Explains how to connect various Micro Motion sensors to the RFT9739.

Output Wiring

Primary and secondary mA outputs

Explains the configuration and performance of mA output signals.

Frequency outputs

Describes the transmitter's frequency/pulse and dual-channel frequency outputs.

Dual-channel frequency output

Details the dual-channel, phase-shifted frequency output for custody transfer.

Optocoupler output

Explains the externally powered passive optocoupler output.

Control output

Details the functions and wiring of the control output signal.

Startup

Initialization

Describes the transmitter's startup sequence and self-diagnostic tests.

Flowmeter zeroing

Provides steps and precautions for performing flowmeter zeroing.

Totalizer control

Covers starting, stopping, and resetting mass and volume totalizers.

Troubleshooting

General guidelines

Offers general advice and precautions for troubleshooting the flowmeter.

Transmitter diagnostic tools

Explains how to use diagnostic messages and fault output levels.

Interrogation with a HART device

Details how to connect and use a HART device for diagnostics.

Troubleshooting using the transmitter display

Guides users on interpreting display messages for troubleshooting.

Master reset

Explains the procedure and consequences of performing a master reset.

Appendix A RFT9739 Specifications

Appendix C Theory of Operation

Appendix D HART Communicator Menu Trees

Appendix F Replacing Older Transmitters

Micro Motion Fisher Rosemount RFT9739 Specifications

General IconGeneral
BrandMicro Motion
ModelFisher Rosemount RFT9739
CategoryTransmitter
LanguageEnglish