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Emerson CMF400 Quick Reference Manual
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Emerson CMF400 Quick Reference Manual

Micro motion cmf400 sensor
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Quick Reference Guide
P/N 3006075, Rev. D
May 2003
Micro Motion
CMF400 Sensor

Installation Instructions

For online technical support, use the EXPERT
www.expert2.com. To speak to a customer service
representative, call the support center nearest you:
•
In the U.S.A., phone 1-800-522-MASS
(1-800-522-6277)
•
In Canada and Latin America, phone
(303) 530-8400
•
In Asia, phone (65) 6770-8155
•
In the U.K., phone 0800 - 966 180 (toll-free)
•
Outside the U.K., phone +31 (0) 318 495 670
Micro Motion
TM
®
™ system at
2

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Summary of Contents for Emerson CMF400

  • Page 1: Installation Instructions

    Quick Reference Guide P/N 3006075, Rev. D May 2003 Micro Motion ® CMF400 Sensor Installation Instructions For online technical support, use the EXPERT ™ system at www.expert2.com. To speak to a customer service representative, call the support center nearest you: •...

  • Page 2: Before You Begin

    Figure 4). ©2003, Micro Motion, Inc. All rights reserved. Micro Motion is a registered trademark of Micro Motion, Inc. The Micro Motion and Emerson logos are trademarks of Emerson Electric Co. All other trademarks are property of their respective owners.
  • Page 3 Figure 1. CMF400 sensor with integral booster amplifier and core processor Process fitting Core processor housing Booster amplifier Customer tag (if requested) Calibration tag Approval Sensor housing...
  • Page 4 Figure 2. CMF400 sensor with remote booster amplifier and core processor Factory- Explosion-proof Intrinsically supplied wiring safe wiring wiring Process fitting Approval tag Customer tag (if requested) Calibration Remote booster Approval amplifier Core processor housing Sensor housing...
  • Page 5 Figure 3. CMF400 sensor with integral booster amplifier and junction box Process Booster Junction box fitting amplifier Customer tag (if requested) Calibration Approval tag Sensor housing...

  • Page 6: Determining A Location

    Figure 4. CMF400 sensor with remote booster amplifier and junction box Factory- Process supplied fitting Intrinsically safe Explosion-proof wiring wiring wiring Approval Customer tag (if requested) Calibration Junction Approval Remote booster amplifier Sensor housing STEP 1. Determining a location Choose a location for the sensor based on the requirements described in...
  • Page 7 General guidelines The following conditions must be met: • Before operation, you must be able to stop flow through the sensor. (During the zeroing procedure, flow must be stopped completely, and the sensor must be full of process fluid.) • During operation, the sensor must remain full of process fluid.

  • Page 8: Maximum Wiring Distances

    The sensor will function properly in any orientation if the sensor tubes remain filled with process fluid. Micro Motion recommends orienting the CMF400 sensor as shown in Figure 5. Flow direction arrow The sensor has a flow direction arrow (see Figures 1-4) to help you configure the transmitter for flow direction.
  • Page 9 Figure 5. Preferred orientations Fluid being measured Preferred orientation Liquids Tubes down Horizontal pipeline Gases Tubes up Horizontal pipeline Slurries Flag mount Vertical pipeline Self-draining Flow STEP 3. Mounting the sensor Use your common practices to minimize torque and bending load on process connections.
  • Page 10 Figure 6. Mounting the sensor WARNING Explosion hazard The CMF400 has drain plugs, which look similar to purge fittings. The drain plugs must remain sealed at all times. Do not remove or damage CMF400 drain plugs. CMF400 drain plugs...
  • Page 11 STEP 4. Wiring to the booster amplifier Remote booster amplifier wiring The remotely mounted booster amplifier is mounted up to 10 feet (3 meters) from the sensor. See Figure 7. • Provide 85-250 VAC of power. • Figures 8 and 9 illustrate how to connect power-supply wiring. Figure 7.
  • Page 12 Figure 8. Power-supply wiring on integrally mounted booster amplifier (View of top cover) Provide 85-250 VAC of power...
  • Page 13 Figure 9. Power-supply wiring on remote booster amplifier Remote booster amplifier with core processor Remove screw and terminal cover before installing wiring. Re-install cover before operating Drive wires Provide 85-250 VAC power to the sensor Unused N/L2 L/L1 85-250 VAC Remote booster amplifier with junction box Remove screw and terminal cover before installing wiring.
  • Page 14 STEP 5. Wiring the sensor to the transmitter WARNING Failure to comply with requirements for intrinsic safety in a hazardous area could result in an explosion. • For installation in an area that requires intrinsic safety, refer to Micro Motion UL, CSA, or ATEX documentation, shipped with the sensor or available from the Micro Motion web site.
  • Page 15 Core processor to a 4-wire remote transmitter or remote host To connect wiring at the core processor: 1. Use one of the following methods to shield the wiring from the core processor to the remote transmitter: • If you are installing unshielded wiring in continuous metallic conduit that provides 360°...
  • Page 16 4 1/2 in (114 mm) 3/4 in (19 mm) Gland nut Gland clamping insert 7/8 in (22 mm) 7/8 in Gland body (22 mm) Shielded heat shrink 4. For connection at the core processor housing, prepare shielded cable as follows (for armored cable, omit steps d, e, f, and g): a.
  • Page 17 Without burning the cable, apply heat (250 °F or 120 °C) to shrink the tubing. 6KLHOGHG KHDW VKULQN FRPSOHWHO\ FRYHUV H[SRVHG GUDLQ ZLUHV g. Position gland clamping insert so the interior end is flush with the heat shrink. h. Fold the cloth shield or braid and drain wires over the clamping insert and approximately 1/8 inch (3 mm) past the O-ring.
  • Page 18  ,QVHUW WKH ZLUHV WKURXJK WKH JODQG ERG\ DQG DVVHPEOH WKH JODQG E\ WLJKWHQLQJ WKH JODQG QXW  ,GHQWLI\ WKH ZLUHV LQ WKH ZLUH FDEOH 7KH ZLUH FDEOH VXSSOLHG E\ 0LFUR 0RWLRQ FRQVLVWV RI RQH SDLU RI  $:*  PP ZLUHV UHG DQG EODFN  ZKLFK VKRXOG EH XVHG IRU WKH 9'&...
  • Page 19  6KLHOG DQG VKLHOG GUDLQ ZLUH V VKRXOG QRW EH JURXQGHG DW WKH WUDQVPLWWHU ‡ )RU ZLULQJ DW WKH WUDQVPLWWHU VHH WKH WUDQVPLWWHU 4XLFN 5HIHUHQFH *XLGH 45*  ‡ ,I \RX DUH FRQQHFWLQJ WR DQ 09'6ROR ZLWK 09' 'LUHFW &RQQHFW Œ ,6 EDUULHU VXSSOLHG E\ 0LFUR 0RWLRQ WKH EDUULHU VXSSOLHV SRZHU WR WKH FRUH SURFHVVRU 5HIHU WR WKH EDUULHU GRFXPHQWDWLRQ WR LGHQWLI\ WKH WHUPLQDOV DW WKH EDUULHU ‡...
  • Page 20 9-wire junction box cable wiring )ROORZ WKH VWHSV EHORZ WR FRQQHFW WKH ZLUH FDEOH EHWZHHQ WKH VHQVRU DQG WKH WUDQVPLWWHU  3UHSDUH DQG LQVWDOO WKH FDEOH DFFRUGLQJ WR WKH LQVWUXFWLRQV LQ 0LFUR 0RWLRQ¶V :LUH )ORZPHWHU &DEOH 3UHSDUDWLRQ DQG ,QVWDOODWLRQ *XLGH  ,QVHUW WKH VWULSSHG HQGV RI WKH LQGLYLGXDO ZLUHV LQWR WKH WHUPLQDO EORFNV 1R EDUH ZLUHV VKRXOG UHPDLQ H[SRVHG  0DWFK WKH ZLUHV FRORU IRU FRORU )RU ZLULQJ DW WKH WUDQVPLWWHU UHIHU WR...
  • Page 21 ,I QDWLRQDO VWDQGDUGV DUH QRW LQ HIIHFW IROORZ WKHVH JXLGHOLQHV ‡ 8VH FRSSHU ZLUH  $:*  PPð RU ODUJHU ZLUH VL]H IRU JURXQGLQJ ‡ .HHS DOO JURXQG OHDGV DV VKRUW DV SRVVLEOH OHVV WKDQ  RKP LPSHGDQFH ‡ &RQQHFW JURXQG OHDGV GLUHFWO\ WR HDUWK RU IROORZ SODQW VWDQGDUGV 5HIHU WR WKH WUDQVPLWWHU GRFXPHQWDWLRQ IRU LQVWUXFWLRQV RQ JURXQGLQJ WKH WUDQVPLWWHU...
  • Page 24 +31 (0) 318 495 670 (65) 6777-8211 +31 (0) 318 495 689 (65) 6770-8003 Micro Motion United Kingdom Micro Motion Japan Emerson Process Management Limited Emerson Process Management Horsfield Way Shinagawa NF Bldg. 5F Bredbury Industrial Estate 1-2-5, Higashi Shinagawa Stockport SK6 2SU U.K.