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Installation Manual

MMI-20020989, Rev AE

May 2019

Micro Motion

®

 Fork Density Meters

Direct insertion density meter installation

Содержание Micro Motion FDM

Страница 1: ...Installation Manual MMI 20020989 Rev AE May 2019 Micro Motion Fork Density Meters Direct insertion density meter installation ...

Страница 2: ...and forms are available on our web support site at www emerson com or by phoning the Micro Motion Customer Service department Emerson Flow customer service Email Worldwide flow support emerson com Asia Pacific APflow support emerson com Telephone North and South America Europe and Middle East Asia Pacific United States 800 522 6277 U K 0870 240 1978 Australia 800 158 727 Canada 1 303 527 5200 The ...

Страница 3: ...ough chamber 26 3 4 Mount in an open tank long stem meter 28 3 5 Mount in a closed tank long stem meter 31 3 6 Attach the PFA ring and circlip 35 3 7 Rotate the electronics on the meter optional 36 3 8 Rotate the display on the transmitter optional 37 Chapter 4 Wiring 39 4 1 Terminals and wiring requirements 39 4 2 Explosion proof flameproof or non hazardous output wiring 39 4 3 Processor wiring f...

Страница 4: ...Contents Installation Manual May 2019 MMI 20020989 iv Micro Motion Fork Density Meter ...

Страница 5: ...ds 1 2 Related documentation You can find all product documentation on the product documentation DVD shipped with the product or at www emerson com See any of the following documents for more information Micro Motion Fork Density Meters FDM Product Data Sheet Micro Motion Fork Density Meters FDM Configuration and Use Manual Micro Motion Fork Density Meters FDM with FOUNDATION Fieldbus Configuratio...

Страница 6: ...Before you begin Installation Manual May 2019 MMI 20020989 6 Micro Motion Fork Density Meter ...

Страница 7: ...he meter will be installed Make sure that you will have adequate access to the meter for verification and maintenance Verify that you have all equipment necessary for your installation Depending on your application you may be required to install additional parts for optimal performance of the meter If your meter will be wired to a remote mount 2700 FOUNDATION Fieldbus transmitter Refer to the inst...

Страница 8: ...sure that operating conditions correspond to the meter calibration type code and boundary Ensure that all piping connections conform to the local and national regulations and codes of practice Properly tighten the transmitter housing cover after wiring to maintain ingress protection and hazardous area approvals After installation pressure test the meter and the associated pipework to 1 times the m...

Страница 9: ...7 2m 548 64m 640 08m 731 52m 822 96m 914 4m A AWG maximum B Distance of installation Figure 2 2 Minimum wire area mm2 per meter or foot 0 000 0 100 0 200 0 300 0 400 0 500 0 600 0 700 100m 200m 300m 400m 500m 600m 700m 800m 900m 1000m B 21 6V 24V A 328 084 ft 656 168ft 984 253ft 1312 34ft 1640 42ft 1968 5ft 2296 59ft 2624 67ft 2952 76ft 3280 84ft A Minimum wire area mm2 B Distance of installation ...

Страница 10: ...e compensation will be inaccurate and process measurement will be inaccurate Verify that the meter was calibrated for the pipe size you plan to use 2 4 2 Flow rates Maintain constant flow rates and velocities that are within the limits specified for the meter The fluid flow provides a steady heat flow into the meter installation and the flow rate influences the self cleaning of the meter tines the...

Страница 11: ...r Minimizing temperature gradients reduces the effect of viscosity changes Use the following guidelines to reduce the thermal effects to your meter installation Always insulate the meter and surrounding pipework thoroughly Avoid insulating the transmitter housing Use rock wool or any equivalent heat jacket material that is at least 1 in 25 mm thick but preferably 2 in 51 mm thick Enclose insulatio...

Страница 12: ... 3 psi 23 601 bar 266 9 psi 18 402 bar 2 5 Recommended installations for short stem meters Micro Motion recommends three standard installations for the short stem meter to alleviate any need for onsite calibration All meters are factory calibrated for these types of installations and take into consideration the potential boundary effect of each installation Free stream applications Flow rate 0 3 t...

Страница 13: ...deal for high percentage slurry applications Suitable for line density measurement and simple referrals Recommendations Do not use with Low or unstable flow rates Where step changes in viscosity can occur For small bore pipes Where temperature effects are significant Flow through chamber applications Flow rate 5 40 l min for 2 in 51 mm Schedule 40 calibration bore section 1 5 10 5 gal min 5 300 l ...

Страница 14: ...to installation to confirm that no damage occurred to the meter during shipment Procedure 1 Remove the meter from the box CAUTION Handle the meter with care Follow all corporate and government safety regulations for lifting and moving the meter 2 Visually inspect the meter for any physical damage If you notice any physical damage to the meter immediately contact customer support at flow support em...

Страница 15: ...dure to match the current meter calibration with the factory calibration If the meter passes the test then it has not drifted or changed during shipment For more information on performing a KDV check see the configuration and use manual that shipped with the product Installation Manual Planning MMI 20020989 May 2019 Installation Manual 15 ...

Страница 16: ...Planning Installation Manual May 2019 MMI 20020989 16 Micro Motion Fork Density Meter ...

Страница 17: ...re more efficiently Before fitting the weldolet you must bore a 2 1 in 53 mm diameter opening in the pipeline to accept the meter You must weld the weldolet to the pipeline concentrically with the pre bored hole Procedure Use Figure 3 1 to mount a meter in a free stream flanged fitting installation Insert meter tines directly into the fluid flow For both vertical and horizontal pipes always instal...

Страница 18: ...anders Increase the diameter of the process pipe to reduce the flow velocity Provide a quick response to density changes Provide self cleaning vibrating tines The following table determines what type of pipe expander to use Option Best usage Vertical pipe with a concentric reducer Suitable for all liquids and slurries Horizontal pipe with concentric reducer Suitable for clean liquids Do not use fo...

Страница 19: ... a concentric reducer A FDM directly inserted into the flow Figure 3 3 Option 2 Horizontal pipe with concentric reducers A Top view of horizontal pipeline Figure 3 4 Option 3 Horizontal pipe with eccentric reducers A Side view of horizontal pipe meter is on the opposite side B Eccentric expanders reducers C Meter inserted into the flow in an expanded pipe D Inside view of pipe and meter Installati...

Страница 20: ...n track changes in temperature more efficiently Before fitting the weldolet you must bore a 2 1 in 53 mm diameter opening in the pipeline to accept the meter You must weld the weldolet to the pipeline concentrically with the pre bored hole Procedure See Figure 3 5 for information on installing the meter with a weldolet fitting in a free stream application Insert meter tines directly into the fluid...

Страница 21: ... the following conditions Flow 0 5 to 5 m s at the pipe wall Viscosity Up to 100 cP or 250 cP under some conditions Temperature 58 F 50 0 C to 392 F 200 C 40 F 40 0 C to 392 F 200 C Note Flow velocity at the pipe wall and fluid viscosity must be within the limits shown to ensure that the fluid within the pocket is refreshed in a timely manner This installation will not respond as rapidly as the fr...

Страница 22: ...sing measurement errors Use a 3 in 76 mm hygienic tube and fittings instead or fabricate hygienic fittings with the same wall thickness and internal diameter as those shown in the diagram above Insert meter tines directly into the fluid flow For both vertical and horizontal pipes always install the meter on the side of the pipe For a horizontal pipe never mount the meter on the top of the pipe Imp...

Страница 23: ...3 in 76 mm DN80 and mounted at an angle to ensure that it will self drain Flow velocity as low as 1 0m s is acceptable and preferred velocity is 3m sec Care should be taken at flow velocities of 5m sec as there is an increased risk of the T piece clogging Additional cleaning may be required Prerequisites 3 in 76 mm T piece flanged installations are recommended for processes with the following cond...

Страница 24: ...e of the meter flange before installing the meter in your application see Attach the PFA ring and circlip Note If you are using a Zirconium meter this meter uses a self locking PFA ring and does not require a circlip Procedure See Figure 3 8 or Figure 3 9 for information on installing the meter with a flanged fitting in a 3 in 76 mm T piece Figure 3 8 3 in 76 mm T piece installation horizontal pip...

Страница 25: ... to 3 m s at the pipe wall Viscosity Up to 100 cP or 250 cP under some conditions Temperature 58 F 50 0 C to 392 F 200 C Note Flow velocity at the pipe wall and fluid viscosity must be within the limits shown to ensure that the fluid within the pocket is constantly refreshed This installation will not respond as rapidly as the free stream installation to step changes in viscosity If temperature va...

Страница 26: ...ent the meter so the scribe mark is at either the 12 o clock or 6 o clock position The gap between the fork tines must always be vertical so that Solids drop down Entrained gas will go up Figure 3 10 T piece weldolet fitting meter installation A 4 in 102 mm pipe or larger for horizontal or vertical installations B 2 1 in 53 mm meter opening in pipeline C Distance of meter tines from main pipe wall...

Страница 27: ...F 50 0 C to 392 F 200 C 40 F 40 0 C to 392 F 200 C in hazardous areas Pressure 1 015 26 psi 70 bar 399 F 203 9 C subject to process connections Important To ensure that the fluid within the pocket is refreshed in a timely manner verify that flow velocity at the pipe wall and fluid viscosity are within the limits described in this table The thermal mass of the flanges may affect the response time o...

Страница 28: ...nt in an open tank long stem meter CAUTION Only the safe area version of the long stem meter can be mounted in an open tank Prerequisites Verify the following conditions Flow 0 3 to 0 5 m s at the meter Important If an agitator stirrer is fitted inside the tank then the flow velocity inside the tank could be higher than 0 5m s if the meter is mounted close to the side wall Mounting the meter close...

Страница 29: ...en tank installation the maximum ambient temperature above the tank is limited to 149 F 65 C Procedure 1 Clamp the long stem meter to a structure positioning the clamp to determine the insertion depth of the meter Figure 3 12 Open tank meter installation long stem 2 Confirm the meter tines are away from the tank wall Installation Manual Mounting MMI 20020989 May 2019 Installation Manual 29 ...

Страница 30: ...id 4 Confirm the meter tines are placed away from objects and disturbed flow Figure 3 15 Meter placement distance from objects and disturbed flow A A A 7 87 in 200 mm 5 If flow exists confirm the meter tines are aligned so that the flow is directed towards or through the gap between the tines Mounting Installation Manual May 2019 MMI 20020989 30 Micro Motion Fork Density Meter ...

Страница 31: ...erequisites Verify the following conditions Flow 0 3 to 0 5 m s at the meter Important If an agitator stirrer is fitted inside the tank then the flow velocity inside the tank could be higher than 0 5m s if the meter is mounted close to the side wall Mounting the meter closer the center of the tank helps reduce the flow velocity seen by the meter Installation Manual Mounting MMI 20020989 May 2019 I...

Страница 32: ...2 F 150 C with an open tank installation the maximum ambient temperature above the tank is limited to 149 F 65 C Procedure 1 Attach the long stem meter using the fitted flange attachment that s shipped with the product Figure 3 18 Closed tank installation fitted flange attachment 2 To vary the insertion depth of the meter mount the meter on a standoff section that attaches to the flange not provid...

Страница 33: ...rovided by customer 3 Confirm the meter tines are away from the tank wall Figure 3 20 Meter placement away from tank wall B A A B A 7 87 in 200 mm B 2 in 51 mm 4 Confirm the meter tines are immersed in fluid Installation Manual Mounting MMI 20020989 May 2019 Installation Manual 33 ...

Страница 34: ...acement allowance for tank lid flexing A A A 7 87 in 200 mm 6 Confirm the meter tines are placed away from objects and disturbed flow Figure 3 23 Meter placement distance from objects and disturbed flow A A A 7 87 in 200 mm 7 If flow exists confirm the meter tines are aligned so that the flow is directed towards or through the gap between the tines Mounting Installation Manual May 2019 MMI 2002098...

Страница 35: ...he PFA ring and circlip You attach the PFA ring and circlip around the boss on the underside of the meter flange to center the meter tines within a 2 in 51 mm Schedule 40 or 80 pipe The circlip holds the ring in place Procedure See the figure below for information on attaching the PFA ring and circlip to the meter Installation Manual Mounting MMI 20020989 May 2019 Installation Manual 35 ...

Страница 36: ...ing a 4 mm hex key loosen the cap screw that holds the transmitter in place Figure 3 26 Component to secure transmitter in place A A M5 socket head cap screw 2 Rotate the transmitter clockwise to the desired orientation up to 90 3 Secure the cap screw in place and tighten to 60 in lbf 7 N m Mounting Installation Manual May 2019 MMI 20020989 36 Micro Motion Fork Density Meter ...

Страница 37: ...ve display screws while holding the display module in place 4 Carefully pull the display module out of the main enclosure until the sub bezel pin terminals are disengaged from the display module Note If the display pins come out of the board stack with the display module remove the pins and reinstall them 5 Rotate the display module to the desired position 6 Insert the sub bezel pin terminals into...

Страница 38: ... display cover onto the main enclosure 9 Turn the display cover clockwise until it is snug 10 If appropriate power up the meter Mounting Installation Manual May 2019 MMI 20020989 38 Micro Motion Fork Density Meter ...

Страница 39: ...nfigure the meter to poll an external temperature or pressure device you must wire the mA output to support HART communications You may use either HART mA single loop wiring or HART multi drop wiring Table 4 1 Transmitter outputs Transmitter version Output channels A B C Analog 4 20 mA HART 4 20 mA Modbus RS 485 Processor for remote mount 2700 fieldbus transmitter Disabled Disabled Modbus RS 485 T...

Страница 40: ...tive for Electromagnetic Compatibility EMC use a suitable instrumentation cable to connect the meter The instrumentation cable should have individual screens foil or braid over each twisted pair and an overall screen to cover all cores Where permissible connect the overall screen to earth at both ends 360 bonded at both ends Connect the inner individual screens at only the controller end Use metal...

Страница 41: ...ous area CAUTION Meter installation and wiring should be performed by suitably trained personnel only in accordance with the applicable code of practice Procedure Wire to the appropriate output terminal and pins see Figure 4 1 Installation Manual Wiring MMI 20020989 May 2019 Installation Manual 41 ...

Страница 42: ...pply a maximum total loop resistance of 1300 Ω is allowed CAUTION To meet the EC Directive for Electromagnetic Compatibility EMC use a suitable instrumentation cable to connect the meter The instrumentation cable should have individual screens foil or braid over each twisted pair and an overall screen to cover all cores Where permissible connect the overall screen to earth at both ends 360 bonded ...

Страница 43: ...lly safe circuit linear Voltage Ui 17 22 VDC Current Ii 484 mA Maximum capacitance Ci 1 nF Maximum inductance Li Negligible Cable parameters for Ex ib IIB Ex ib IIC Voltage Uo 9 51 VDC Current instantaneous Io 480 mA Current steady state I 106 mA Power Po 786 mW Internal resistance Ri 19 8 Ω Cable parameters for Group IIC Maximum external capacitance Co 85 nF Maximum external inductance Lo 25 µH M...

Страница 44: ...e a cable with a metal conduit Prerequisites Note If you are installing unshielded cable in continuous metallic conduit with 360º termination shielding you only need to prepare the cable you do not need to perform the shielding procedure Procedure 1 Remove the integral processor cover using a flat blade screw driver 2 Run the conduit to the sensor 3 Pull the cable through the conduit 4 Cut the dra...

Страница 45: ...l but 0 75 in 19 mm M20 gland type Strip all but 0 5 in 13 mm 6 Wrap the drain wires twice around the shield and cut off the excess drain wires A Drain wires wrapped around shield 7 For foil shielded cable only Note For braided armored cable skip this step and contine to the next step Option Description NPT gland type a Slide the shielded heat shrink over the drain wires Ensure that the wires are ...

Страница 46: ...g 10 Insert the wires through the gland body and tighten the gland nut onto the gland body A Shield folded back B Gland body 4 3 3 Processor wiring for the remote mount 2700 fieldbus option The following figure illustrates how to connect the individual wires of a 4 wire cable to the processor terminals For detailed information on mounting and wiring to the remote mount 2700 fieldbus transmitter se...

Страница 47: ...a suitable instrumentation cable The instrumentation cable should have individual screens foil or braid over each twisted pair and an overall screen to cover all cores Where permissible the overall screen should be connected to earth at both ends 360 bonded at both ends The inner individual screens should be connected at only one end the controller end Metal cable glands should be used where the c...

Страница 48: ...ng those connections in safe and hazardous environments 4 4 1 Wire mA1 in a HART multi drop environment Figure 4 3 Wire mA1 in a HART multi drop environment 250 Ω 24 VDC mA1 HART A B C E D A HART Device 1 B HART Device 2 C HART Device 3 D Meter mA HART output E HART Field Communicator Wiring Installation Manual May 2019 MMI 20020989 48 Micro Motion Fork Density Meter ...

Страница 49: ...nter the meter amplifier box Fit unused cable ports with metal blanking plugs 4 5 Wiring to signal converters and or flow computers For meters with a Time Period Signal TPS output you can wire the meter to an signal converter or flow computer directly The following information provides wiring diagrams for making those connections in safe and hazardous environments When wiring the meter to an activ...

Страница 50: ... CAUTION To meet the EC Directive for Electromagnetic Compatibility EMC use a suitable instrumentation cable to connect the meter The instrumentation cable should have individual screens foil or braid over each twisted pair and an overall screen to cover all cores Where permissible connect the overall screen to earth at both ends 360 bonded at both ends Connect the inner individual screens at only...

Страница 51: ... Keep all ground leads as short as possible less than 1 Ω impedance Connect ground leads directly to earth or follow plant standards CAUTION Ground the flowmeter to earth or follow ground network requirements for the facility Improper grounding can cause measurement error Procedure Check the joints in the pipeline If the joints in the pipeline are ground bonded the sensor is automatically grounded...

Страница 52: ...Grounding Installation Manual May 2019 MMI 20020989 52 Micro Motion Fork Density Meter ...

Страница 53: ...Installation Manual MMI 20020989 May 2019 Installation Manual 53 ...

Страница 54: ...utions 1 Pandan Crescent Singapore 128461 Republic of Singapore T 65 6363 7766 F 65 6770 8003 Micro Motion United Kingdom Emerson Automation Solutions Emerson Process Management Limited Horsfield Way Bredbury Industrial Estate Stockport SK6 2SU U K T 44 0870 240 1978 F 44 0800 966 181 2019 Micro Motion Inc All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co ...

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