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Micro Motion Fisher-Rosemount RFT9709 Instruction Manual

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Model RFT9709
Transmitter
Instruction Manual
March 1999

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  • Page 1 Model RFT9709 Transmitter Instruction Manual March 1999...
  • Page 3 • In Asia, phone 65-770-8155 Copyright ©1999, Micro Motion, Inc. All rights reserved. Micro Motion, ELITE, BASIS and ProLink are registered trademarks of Micro Motion, Inc., Boulder, Colorado. Rosemount and SMART FAMILY are registered trademarks of Rosemount, Inc., Eden Prairie, Minnesota. HART is a registered trademark of the HART Communication Foundation, Austin, Texas.

  • Page 5: Table Of Contents

    Remotely-installed temperature detector ..Cable connections to sensor and RFT9709 ..2.4 Output wiring ......
  • Page 6 Appendixes Appendix A RFT9709 Specifications ....39 Appendix B Ordering Information ..... 45 Appendix C Switch Settings .
  • Page 7 RFT9709 approvals tag ....Figure 1-2 RFT9709 dimensions ....Figure 1-3 Factory-supplied NEMA-housing dimensions.
  • Page 8 RFT9709 Transmitter Instruction Manual...

  • Page 9: Before You Begin

    Components of the transmitter are illustrated on the following page. Configuration and calibration An RFT9709 transmitter and a sensor are ordered together as a Coriolis flowmeter. The factory can provide any of three standard configuration options: •...

  • Page 10: Proving The Coriolis Flowmeter

    Proving Micro Motion flowmeters can be accomplished using conventional proving methods. Micro Motion publishes a comprehensive applications manual, which describes in detail how to prove Coriolis meters. For additional information, contact the Micro Motion Customer Service Department: • In the U.S.A., phone 1-800-522-MASS (1-800-522-6277) •...

  • Page 11: Step 1 Mounting

    –40 and 122°F (–40 and 50°C). • Locate the RFT9709 where humidity is less than 90%. • Total length of cable from the sensor to the RFT9709 must not exceed 1000 feet (300 meters). • In hazardous areas, install the RFT9709 as described below.

  • Page 12: Mounting Options

    • For mounting in a user-supplied NEMA-4 (IP65) enclosure • Pre-installed by the factory in an optional NEMA-4 (IP65) enclosure Installation in user- • Install the RFT9709 with two screws to a flat mounting surface. Micro supplied enclosure Motion does not supply mounting screws.

  • Page 13: Optional Nema-Housing Installation

    If the RFT9709 is ordered with the factory-supplied NEMA-4 (IP65) housing, Micro Motion installs the transmitter in the enclosure. • Install the NEMA enclosure with four bolts. Micro Motion does not supply mounting bolts. • Mount to any flat, stable surface.

  • Page 14: Figure 1-3 Factory-Supplied Nema-Housing Dimensions

    9 11/16 (247) Cover hinge Minimum clearance to open cover-access access cover screw 11 7/8 (301) Housing requires installation of three conduit openings for power-supply wiring, input wiring, and output wiring. Recommended opening size: 3/4-inch (20 mm). RFT9709 Transmitter Instruction Manual...

  • Page 15: Step 2 Wiring

    Figure 2-1 illustrates the locations of the terminals for power-supply wiring, wiring to the sensor, and output wiring. • Terminal blocks may be unplugged from the RFT9709 (after removing two screws) for easier installation of wiring. Always tighten screws after re-installing terminal blocks.

  • Page 16: Power Supply Wiring And Grounding

    For power-supply wiring and grounding, follow these guidelines: grounding • The RFT9709 requires an 11 to 30 VDC power supply. • Do not install unfiltered DC power cable in the same conduit or cable tray as sensor cable or output wiring.

  • Page 17: Sensor Wiring

    • Install cable and wiring to meet local code requirements. • Use Micro Motion color-coded cable. • Total length of cable from the sensor to the RFT9709 must not exceed 1000 feet (300 meters). WARNING...

  • Page 18: Cable Types

    Wiring continued Cable types Micro Motion supplies 9-wire jacketed, shielded, or armored cable, as illustrated in Figure 2-3. • All cable types are acceptable for cable tray installation. • All cable types must have the jacket extend under the wiring terminals access cover, as illustrated in Figure 2-4.

  • Page 19: Remotely-Installed Temperature Detector

    To meet API requirements, a user-supplied external temperature detector can be installed remotely by the user. This external temperature detector, instead of the RTD inside the sensor, is wired to the RFT9709. • The external RTD must be accurate to ±0.1°F (±0.05°C).

  • Page 20: Cable Connections To Sensor And Rft9709

    RFT9709 terminals indicated in Figure 2-5. Instructions for wiring the sensor and transmitter are provided below and on the following pages. The wiring procedure is the same for the sensor and RFT9709. Refer to the wiring diagrams on pages 14 through 16, and follow these steps: 1.

  • Page 21: Table

    Violet Temperature + Gray Right pickoff – White Left pickoff – *Combined drain wires from brown/red, green/white, and gray/blue pairs, and yellow/orange/violet triplet. **Cut off drain wires and protect from shorting to any metal or terminals. RFT9709 Transmitter Instruction Manual...

  • Page 22: Figure 2-6 Wiring To Elite ® Cmf Sensors

    Brown 3. Connect three wires from the external RTD to the terminals from Step 2, as illustrated at left. If the RTD has a fourth wire, it remains unconnected. No connection Violet Yellow Orange Blue Gray RFT9709 Transmitter Instruction Manual...

  • Page 23: Figure 2-7 Wiring To Basis ® F, Model D, And Dl Sensors

    2. Disconnect these wires from the terminal block, then tie all three together with a wire nut to protect exposed wire ends. 3. Connect three wires from the external RTD to the terminals from Step 2, as illustrated above. If the RTD has a fourth wire, it remains unconnected. RFT9709 Transmitter Instruction Manual...

  • Page 24: Figure 2-8 Wiring To Model Dt Sensors

    3. Connect three wires from the external RTD to the terminals from Step 2, as illustrated at left. If the RTD has a fourth wire, it remains unconnected. No connection 3-wire or 4-wire RFT9709 Transmitter Instruction Manual...

  • Page 25: Output Wiring

    500 feet for 22 AWG wire (150 meters for 0.3 mm² wire), 50 feet for 28 AWG wire (15 meters for 0.1 mm² wire). • Shields and/or drain wires must be terminated at the RFT9709 (see Figure 2-9) or at the peripheral device.

  • Page 26: Primary And Secondary Ma Outputs

    Slug-flow inhibit The RFT9709 senses density outside user-selected limits. An mA output configured to represent a flow rate holds at the last measured flow rate before a slug-flow condition occurred, for a programmed time of 0-60 seconds, then defaults to the output level that represents zero flow.

  • Page 27: Hart Multidrop Network Wiring

    • Using multiple transmitters in a HART network requires assigning a unique address from 1 to 15 to each transmitter. Assigning an address of 1 to 15 to the RFT9709 causes the primary mA output to remain at a constant 4 mA level.

  • Page 28: Rs-485 Output

    Each transmitter must have a unique polling address from 1 to 15. • Configuration switches on the RFT9709 allow the choice of Bell 202 or RS-485 physical layers for HART or Modbus communications. Make sure switches are set as instructed in Section C.2, page 47, before attempting to use the RFT9709 in an RS-485 multidrop network.

  • Page 29: Frequency/Pulse Output

    RFT9709. • RFT9709 output is a nominal +23 V square wave, unloaded. Any load will decrease the peak voltage level. • Output impedance is 3.3 kohm.

  • Page 30: Control Output

    (0 V) when indicating reverse flow. • When configured to indicate RFT9709 zeroing in progress, the output is low (0 V) when zeroing is in progress and high (+23 V) at all other times.

  • Page 31: External Zero Switch Wiring

    Wiring continued External zero switch wiring The RFT9709 can be configured to allow flowmeter zeroing from an external switch. • The switch must be a momentary-type contact, normally open, and must carry 1 mA of current in the closed position. The open circuit voltage is 23 VDC.

  • Page 32: Viscosity Measurement Or Pressure Compensation

    • The pressure transmitter must be assigned a unique multidrop address from 1 to 15. • The RFT9709 must be assigned a unique multidrop address from 0 to 15. Assigning an address other than 0 fixes the RFT9709 primary variable (PV) output at 4 mA.

  • Page 33: Figure 2-16A Pressure Transmitter Wiring, Internally Powered

    Wiring continued Wiring instructions Instructions for wiring the RFT9709 to a pressure transmitter are provided below. • Use Figure 2-16a for an internally powered configuration. • Use Figure 2-16b for an externally powered (multidrop) configuration. WARNING Failure to comply with requirements for intrinsic safety in a hazardous area could result in an explosion.
  • Page 34 RFT9709 Transmitter Instruction Manual...

  • Page 35: Step 3 Startup

    Initialization After wiring has been connected, power can be applied. During initialization, the RFT9709 diagnostic LED (see Figure 3-1) remains on continuously, while the RFT9709 performs a self-diagnostic test. After initialization is completed, the LED blinks ON once per second to indicate proper RFT9709 operation.

  • Page 36: Zeroing Procedure

    1. Prepare the flowmeter for zeroing: a. Install the sensor according to the sensor instruction manual. b. Apply power to the RFT9709, then allow it to warm up for at least 30 minutes. c. Ensure the RFT9709 is in a security mode that allows flowmeter zeroing (see Security modes , page 49).

  • Page 37: Event Registers

    Event registers are provided for security requirements for custody transfer applications. When the RFT9709 is configured for security mode 8 (see Security modes , page 49), the RFT9709 meets security requirements for custody transfer described in National Institute of Standards and Technology (NIST) Handbook 44.

  • Page 38: Totalizer Reset

    • Before stopping the totalizers, set process control devices for manual operation. • To enable the frequency/pulse output, restart the totalizers. Process measurement After flowmeter zeroing has been completed as described in Section 3.2, page 27, the flowmeter is ready for process measurement. RFT9709 Transmitter Instruction Manual...

  • Page 39: Troubleshooting

    Troubleshooting General guidelines Troubleshooting a Micro Motion flowmeter is performed in two parts: 1. Tests of wiring integrity 2. Observation of the transmitter's diagnostic tools, which include the diagnostic LED and fault output levels CAUTION During troubleshooting, the transmitter could produce inaccurate flow signals.

  • Page 40: Transmitter Diagnostic Tools

    • Transmitter operating conditions indicated by the diagnostic LED are listed in Table 4-1. • The diagnostic LED is illustrated in Figure 4-1. Fault outputs The RFT9709 has downscale and upscale fault levels. To set fault levels, see Switch Settings , Appendix C. Downscale Under fault conditions: •...

  • Page 41: Interrogation With The Prolink Program

    RFT9709 to check its own circuitry. Output test and trim The RFT9709 works with a Micro Motion flow sensor to provide flow information. Therefore, many of the troubleshooting checks pertain only to the sensor. However, the ProLink program enables the user to perform other tests: •...

  • Page 42: Figure 4-2. Prolink Pc-Interface Connections

    For personal and system safety, set control devices for manual operation before connecting the PC Interface to the RFT9709 primary variable milliamp output loop. 2. The DCS or PLC must be configured for an active milliamp signal. 3. Resistor R3 is required if the DCS or PLC does not have an internal resistor.

  • Page 43: Power Supply

    4. If the measured resistance is outside the range listed in Table 4-2, page 36, repeat the measurements at the sensor terminals. 5. Reinsert the terminal blocks and restore power to the RFT9709. 6. Use the DMM and the guidelines listed in Table 4-3, page 36, to troubleshoot the flowmeter.

  • Page 44: Table 4-2. Normal Resistance For Flowmeter Circuits

    23 VDC with forward, 0 VDC with reverse 19 to 18* Alarm output 23 VDC normal, 0 VDC with fault 20 to 18* Remote zero input 23 VDC 21 to 22* Pressure transmitter input 0.3 to 11 VDC *Optional configuration RFT9709 Transmitter Instruction Manual...

  • Page 45: Master Reset

    1-second pause. 6. Set switches 4, 5, 6, and 8 to the OFF position. 7. Shut off power to the RFT9709. Wait 30 seconds, then restore power. 8. If switch 5 was originally in the ON or USR position configure communications as described in Communication settings , page 47.

  • Page 46: Table 4-4 Default Values After A Master Reset

    Stop bits and parity 1 stop bit, odd parity (8 bits) on RS-485, and HART (Bell 202) on PV *Switch 5 set to the USER-DEFINED position. See Appendix C, page 47, for information on setting switches. RFT9709 Transmitter Instruction Manual...

  • Page 47: Appendixes

    ±0.0005 g/cc ±0.0002 g/cc DL100, DL200 Sensor model Temperature accuracy Temperature repeatability All sensors, Micro Motion sensor RTD ±1°C ± 0.5% of reading in °C ±0.02°C All sensors, user-supplied sensor RTD ±0.5°F ±0.04°F Flow accuracy includes the combined effects of repeatability, linearity, and hysteresis. All specifications for liquids are based on reference conditions of water at 68 to 77°F (20 to 25°C) and 15 to 30 psig (1 to 2 bar), unless otherwise noted.
  • Page 48 Internally powered, digital level, 0 or 23 V, 3.3 kohm pull-up, galvanically isolated to ±50 VDC. In open collector configuration: sinking capability, 0.1 amps in "on" condition (0 volt level), 30 VDC compliance in "off" condition. RFT9709 Transmitter Instruction Manual...
  • Page 49 RFT9709 Specifications continued Communication Switches on the RFT9709 allows selection of the Bell 202 standard for HART digital communication, and/or the RS-485 serial standard for HART or Modbus communication. • Bell 202 signal is superimposed on primary variable mA, and available for host system interface.
  • Page 50 0 V. Output testing Current source RFT9709 can produce a user-specified current between 2 and 22 mA on a 4-20 mA output. Frequency source RFT9709 can produce a user-specified frequency between 0.1 and 15,000 Hz.
  • Page 51 RFT9709 Specifications continued Hazardous area approvals When properly installed with an approved sensor, the RFT9709 transmitter can be installed in the following areas: Class I, Div. 2, Groups A, B, C, and D. Provides nonincendive sensor outputs for use in Class I, Div. 2, Groups A, B, C, and D; or intrinsically safe sensor outputs for use in Class I, Groups C and D, and Class II, Groups E, F, and G.
  • Page 52 RFT9709 Transmitter Instruction Manual...

  • Page 53: Appendix B Ordering Information

    Optional factory-supplied NEMA-4 (IP65) enclosure Code Power supply 11 to 30 VDC Code Connector options Terminal block connections — all connectors included Code Approval Micro Motion standard — no approvals UL intrinsically safe — U.S.A. approvals agency RFT9709 Transmitter Instruction Manual...
  • Page 54 Ordering Information continued Micro Motion instruction To obtain any of the Micro Motion instruction manuals listed below, manuals contact the Micro Motion Customer Service Department: • In the U.S.A., phone 1-800-522-MASS (1-800-522-6277) • Outside the U.S.A., phone 303-530-8400 • In Europe, phone +31 (0) 318 549 443 •...

  • Page 55: Appendix C Switch Settings

    Appendix Switch Settings Configuration switches Switches on the RFT9709 (see Figure C-1) control the following transmitter functions: • Communications settings • mA output settings • Zeroing method • Security Figure C-1. Switch position Switch Switches number SEC1 SEC2 SEC3 DOWN...

  • Page 56: Table C-1. Communications Configuration

    If switches 4, 5, 6, and 8 are left in the ON position after configuration, a master reset will occur the next time power to the RFT9709 is shut off and then restored. To avoid an unexpected master reset, make sure switches 4, 6, and 8 are left in the OFF position after configuration.

  • Page 57: Table C-2 Security Modes

    Write- Write- Write- Write- Write- Write- calibration parameters protected protected protected protected protected protected *Security mode 8 is not entered when switches are set. For more information about security mode 8, see pages 50 through 51. RFT9709 Transmitter Instruction Manual...
  • Page 58 See Section 3.3, page 29. The security breach continues, and totalizers and outputs remain inactive, until the RFT9709 is reconfigured for security mode 8, or until a master reset has been performed. Custody transfer event registers are not affected by a master reset.

  • Page 59: Figure C-2 Diagnostic Led And Zero Button

    2. Wait until the diagnostic LED blinks ON once per second. 3. Move switch 1, 2, or 3 to the OFF position. 4. If the diagnostic LED blinks ON 4 times per second, the RFT9709 is in security mode 8.
  • Page 60 RFT9709 Transmitter Instruction Manual...

  • Page 61: Appendix D Open Collector Configuration

    • When used in the open collector mode, the output circuit is rated to 30 VDC, with 0.1 ampere maximum sinking capability. • To wire the RFT9709 outputs, see Installation Step 2 , starting on page 7. CAUTION The open collector configuration procedure cannot be reversed.
  • Page 62 RFT9709 Transmitter Instruction Manual...

  • Page 63: Appendix E Decontamination And Return Goods Policy - Usa

    1-800-522-6277 between 6:00 AM and 5:30 PM (Mountain Time), Monday through Friday, except holidays. To help ensure that both you and Micro Motion are providing a safe working environment for our employees and conforming with OSHA regulations, the following equipment return requirements must be followed.
  • Page 64 — one attached to the outside of the box and one inside of the shipping package. Ship equipment to: Micro Motion, Inc. 6930 Winchester Circle, Dock #6 Attn: RMA #________ Boulder, CO 80301 *Refer to Micro Motion Equipment Return Requirements (page 55).

  • Page 65: Appendix F Decontamination And Return Goods Policy - Europe

    Returned equipment that does not conform to the requirements listed below will NOT be processed. If Micro Motion finds evidence of contamination, we may, at our option, have the sensor cleaned or returned AT YOUR EXPENSE, after notifying you of the contamination.
  • Page 66 Repair and/or Warranty Request Sheet Please do not fill in the shaded areas Company: Contact: Address: Tel No: Fax No: Reference / Order numbers Installation data Customer reference Delivery date Purchase order No Date of installation MMI No Date of failure Type of order …...

  • Page 67: Index

    Customer service Braided shield. See Flowmeter cable, terminating Cutoff Cable D sensor. See Sensor; Wiring cable types Damping specification connections to sensor and RFT9709 Data bits 5, 9 installation guidelines communication configuration 3, 9 maximum length to sensor master reset default values 9–16...
  • Page 68 Instruction manuals troubleshooting with list of Flowmeter proving 10, 10 cable Intrinsically safe installations connections to sensor and RFT9709 agency approvals instruction manual for cable preparation external zero switch wiring maximum length to sensor grounding sensor wiring order an approved transmitter...
  • Page 69 21–22 frequency/pulse output 45–46 Ordering information Parity OSHA. See Return goods policy communication configuration configuration switches master reset default values Performance specifications Physical layer communication configuration master reset default values PI 4-20 frequency/pulse output mA outputs RFT9709 Transmitter Instruction Manual...
  • Page 70 RMA. See Return Goods Policy diagnosing zero failure RS-485 procedure communication configuration Stop bits communication output specification communication configuration configuration switches master reset default values multidrop network Switch. See Configuration switches; External zero wiring RFT9709 Transmitter Instruction Manual...
  • Page 71 ELITE control 21–22 Test frequency/pulse outputs general requirements 18–19 Totalizer reset 20, 20 security RS-485 Transmitter. See Pressure transmitter; RFT9709 terminating shields and drains 8, 8 transmitter power supply Trim pressure compensation mA output pressure transmitter 31–38 Troubleshooting external power...
  • Page 72 RFT9709 Transmitter Instruction Manual...
  • Page 74 Fax +31 (0) 318 549 559 Fax (65) 770-8003 Micro Motion Inc. USA Worldwide Headquarters 7070 Winchester Circle Boulder, Colorado 80301 Tel (303) 530-8400 (800) 522-6277 Fax (303) 530-8459 © 1999, Micro Motion, Inc. All rights reserved P/N 3003091, Rev. A (3/99) recycled paper...

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