Emerson Micro Motion TA Series User manual

Installation Manual
MMI-20040393, Rev AD
April 2019
Micro Motion® TA-Series Flow and Density
Meters

Safety and approval information
This Micro Motion product complies with all applicable European directives when properly installed in accordance with the
instructions in this manual. Refer to the EU declaration of conformity for directives that apply to this product. The EU declaration
of conformity, with all applicable European directives, and the complete ATEX Installation Drawings and Instructions are available
on the internet at www.emerson.com or through your local Micro Motion support center.
Information affixed to equipment that complies with the Pressure Equipment Directive, can be found on the internet at
www.emerson.com.
For hazardous installations in Europe, refer to standard EN 60079-14 if national standards do not apply.
Other information
Full product specifications can be found in the product data sheet. Troubleshooting information can be found in the configuration
manual. Product data sheets and manuals are available from the Micro Motion web site at www.emerson.com.
Return policy
Follow Micro Motion procedures when returning equipment. These procedures ensure legal compliance with government
transportation agencies and help provide a safe working environment for Micro Motion employees. Micro Motion will not accept
your returned equipment if you fail to follow Micro Motion procedures.
Return procedures 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: [email protected]
•Asia-Pacific: [email protected]
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 [phone] The Netherlands [phone]
666
New Zealand 099 128 804
Mexico [phone]
111
France 0800 917 901 India 800 440 1468
Argentina [phone] Germany 0800 182 5347 Pakistan 888 550 2682
Brazil [phone] Italy 8008 77334 China [phone]
Central & Eastern [phone]
111
Japan [phone]
Russia/CIS [phone] South Korea [phone]
Egypt 0800 000 0015 Singapore [phone]
Oman 800 70101 Thailand 001 800 441 6426
Qatar 431 0044 Malaysia 800 814 008
Kuwait 663 299 01
South Africa 800 991 390
Saudi Arabia 800 844 9564
UAE 800 0444 0684
2

Contents
Chapter 1 Planning........................................................................................................................ 5
1.1 About this document........................................................................................................................5
1.2 Related documentation....................................................................................................................5
1.3 Installation checklist......................................................................................................................... 6
1.4 Best practices................................................................................................................................... 7
1.5 Temperature limits...........................................................................................................................7
Chapter 2 Mounting.......................................................................................................................9
2.1 Mount the meter.............................................................................................................................. 9
Chapter 3 Wiring......................................................................................................................... 11
3.1 Tantalum wiring............................................................................................................................. 11
Chapter 4 Grounding....................................................................................................................13
Chapter 5 Purge the sensor case .................................................................................................. 15
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Contents Installation Manual
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1 Planning
1.1 About this document
This manual provides information on planning, mounting, and grounding the meter. For
information on full configuration, maintenance, troubleshooting, or service of the
transmitter, see the configuration and use manual.
The information in this document assumes that users understand:
•Basic transmitter and sensor installation, configuration, and maintenance concepts
and procedures
•All corporate, local government, and national government safety standards and
requirements that guard against injuries and death
1.2 Related documentation
You can find all product documentation on the product documentation DVD shipped with
the product or at www.emerson.com.
For more information, see any of the following documents:
Product Data Sheets
•Micro Motion TA-Series Flow and Density Meters Product Data Sheet
•Micro Motion Model 5700 Product Data Sheet
Other installation manuals
•Micro Motion Model 5700 Transmitters with Configurable Outputs: Installation Manual
•Micro Motion Model 5700 with Ethernet Transmitters: Installation Manual
•Micro Motion Model 5700 Transmitters for FOUNDATION™ Fieldbus: Installation Manual
•Micro Motion Model 5700 Transmitters with Intrinsically Safe Outputs: Installation Manual
Configuration and use manuals
•Micro Motion Model 5700 Transmitters with Configurable Outputs: Configuration and Use
Manual
•Micro Motion Model 5700 with Ethernet Transmitters: Configuration and Use Manual
•Micro Motion Model 5700 Transmitters for FOUNDATION™ Fieldbus: Configuration and Use
Manual
•Micro Motion Model 5700 Transmitters with Intrinsically Safe Outputs: Configuration and
Use Manual
Other documents
•Modbus Interface Tool
•For hazardous area installations, see the approval documentation shipped with the
transmitter, or download the appropriate documentation at www.emerson.com.
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1.3 Installation checklist
□Safety messages are provided throughout this content to protect personnel and
equipment. Read each safety message carefully before proceeding to the next step.
□If possible, install the meter in a location that will prevent direct exposure to sunlight.
The environmental limits for the meter may be further restricted by hazardous area
approvals.
□If you plan to mount the meter in a hazardous area:
—Verify that the meter has the appropriate hazardous area approval. Each meter has
a hazardous area approval tag attached to the meter housing.
—For ATEX/IECEx installations, strictly adhere to the safety instructions documented
in the ATEX/IECEx approvals documentation available on the Product
Documentation DVD shipped with the product or at www.emerson.com. Be sure to
reference this documentation in addition to the information shown in this guide.
□Verify that the local ambient and process temperatures are within the limits of the
meter.
□Follow the wiring instructions in the Model 5700 installation manual for signal and
power wiring.
□Mount the meter in a location and orientation that allows sufficient clearance to open
the housing cover. Allow 8 in (203 mm) to 10 in (254 mm) clearance at the wiring
access points.
□Install the meter so that the flow direction arrow on the sensor case matches the actual
forward flow of the process. Flow direction is also software-selectable.
1.3.1 Orientation options
You can mount the meter in any orientation as long as the conduit openings or display do
not point upward. Keep the sensor tubes full of process fluid to achieve best performance.
CAUTION
Installing the meter with the conduit openings or display facing upward risks moisture
entering the housing, which could damage the meter.
Table 1-1: Preferred sensor orientation
Liquids
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Table 1-1: Preferred sensor orientation (continued)
Gases
Slurries
1.4 Best practices
•There are no pipe run requirements for Emerson meters. Straight runs of pipe
upstream or downstream are unnecessary.
•If the meter is installed in a vertical pipeline, liquids and slurries should flow upward
through the meters. Gases should flow downward.
•Keep the meter tubes full of process fluid.
•For halting flow through the meter with a single valve, install the valve downstream
from the meter.
•Minimize bending and torsional stress on the meter. Do not use the meter to align
misaligned piping.
•The meter does not require external supports. The flanges will support the sensor in
any orientation.
•Do not use the junction box to pick up the meter.
•Do not use the junction box as a step.
•Do not unscrew and rotate the junction box as this will break the wires.
•Do not install the meter in suspended pipes.
•Do not adjust the meter position by pulling or grasping the meter.
1.5 Temperature limits
Temperature type Min Max
Process temperature -40 °F (-40.0 °C) 356 °F (180.0 °C)
Ambient temperature -40 °F (-40.0 °C) 176 °F (80.0 °C)
Use the extended mount junction box (electronic interface code H) for process
temperatures above 176 °F (80.0 °C).
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Planning Installation Manual
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2 Mounting
2.1 Mount the meter
Use your common practices to minimize torque and bending load on process connections.
Prerequisites
Read the installation checklist and best practices if you have not yet done so already. See
Installation checklist and Best practices.
Procedure
Mount the meter using the following illustration.
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Mounting Installation Manual
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3 Wiring
3.1 Tantalum wiring
•A 9-wire cable is limited to 1,000 ft (304.80 m) between the sensor and the
transmitter.
•If you are using the Smart Meter Verification (SMV) application, the 9-wire cable is
limited to 60 ft (18.29 m) maximum.
•Use Teflon™ jacketed cable for SMV applications.
DANGER
Make sure the hazardous area specified on the sensor approval tag is suitable for the
environment in which the sensor will be installed. Failure to comply with the
requirements for intrinsic safety in a hazardous area could result in an explosion.
CAUTION
Fully close and tighten all housing covers and conduit openings. Improperly sealed
housings can expose electronics to moisture, which can cause measurement error or
flowmeter failure. Inspect and grease all gaskets and O-rings.
3.1.1 Connect the 9-wire cable
Procedure
1. Prepare and install the cable according to the instructions in the Micro Motion 9-Wire
Flowmeter Cable Preparation and Installation Guide.
2. Insert the stripped ends of the individual wires into the terminal blocks of the
junction box. Ensure that no bare wires remain exposed.
Terminal block number Wire color
1 Blue
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Terminal block number Wire color
2 Gray
3 Green
4 White
5 Orange
6 Yellow
7 Purple
8 Red
9 Brown
shield
3. Match the wires color for color. For wiring at the transmitter or remote core
processor, refer to the transmitter documentation.
4. Tighten the screws to hold the wires in place.
5. Ensure integrity of gaskets, then tightly close and seal the junction box cover and all
housing covers.
6. Refer to the transmitter installation manual for signal and power wiring
instructions.
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4 Grounding
The meter must be grounded according to the standards that are applicable at the site.
The customer is responsible for knowing and complying with all applicable standards.
Prerequisites
Use the following guides for grounding practices:
•In Europe, IEC 60079-14 is applicable to most installations, in particular Sections
16.2.2.3 and 16.2.2.4.
•In the U.S.A. and Canada, ISA 12.06.01 Part 1 provides examples with associated
applications and requirements.
If no external standards are applicable, follow these guidelines to ground the sensor:
•Use copper wire, 14 AWG (2.08 mm²) or larger wire size.
•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 and no further action is necessary (unless required by local code).
•If the joints in the pipeline are not grounded, connect a ground wire to the
grounding screw located on the sensor electronics.
Tip
The sensor electronics may be a transmitter, core processor, or junction box. The
grounding screw may be internal or external.
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Grounding Installation Manual
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5 Purge the sensor case
Prerequisites
Make sure the following are available before beginning the purge procedure:
•Teflon™ tape
•Argon or nitrogen gas sufficient to purge the sensor case
Whenever a purge plug is removed from the sensor case, you must repurge the case.
Procedure
1. Shut down the process, or set control devices for manual operation. Before
performing the case purging procedure, shut down the process or set the control
devices for manual operation. Performing the purge procedure while the flowmeter
is operating could affect measurement accuracy, resulting in inaccurate flow
signals.
2. Remove both purge plugs from the sensor case. If purge lines are being used, open
the valve in the purge lines.
DANGER
•Stay clear of the rupture disk pressure relief area. High-pressure fluid escaping
from the sensor can cause severe injury or death. The sensor must be oriented
so that personnel and equipment will not be exposed to any discharge along
the pressure relief path.
•Take all necessary precautions when removing purge plugs. Removing a purge
plug compromises the secondary containment of the sensor and could expose
the user to process fluid.
•Improper pressurization of the sensor case could result in personal injury.
CAUTION
Be sure to use thread protectors when removing the purge fitting so as not to
damage the disk membrane surrounding the rupture disk.
3. Prepare the purge plugs for reinstallation by wrapping them with 2–3 turns of
Teflon tape.
4. Connect the supply of nitrogen or argon gas to the inlet purge connection or open
inlet purge line. Leave the outlet connection open.
•Exercise caution to avoid introducing dirt, moisture, rust, or other contaminants
into the sensor case.
•If the purge gas is heavier than air (such as argon), locate the inlet lower than the
outlet, so that the purge gas will displace air from bottom to top.
•If the purge gas is lighter than air (such as nitrogen), locate the inlet higher than
the outlet, so that the purge gas will displace air from top to bottom.
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5. Make sure that there is a tight seal between the inlet connection and sensor case, so
that air cannot be drawn by suction into the case or purge line during the purging
process.
6. Run purge gas through the sensor.
The purge time is the amount of time required for full exchange of atmosphere to
inert gas. The larger the line size, the greater amount of time is required to purge
the case. If purge lines are being used, increase the purge time to fill the additional
volume of the purge line.
Note
Keep the purge gas pressure below 7.25 psi (0.5 bar).
7. At the appropriate time, shut off the gas supply, then immediately seal the purge
outlet and inlet connections with the purge plugs.
Avoid pressurizing the sensor case. If pressure inside the case elevates above
atmospheric pressure during operation, the flowmeter density calibration will be
inaccurate.
8. Make sure that the purge fitting seals are tight so that air cannot be drawn by
suction into the sensor case.
Purge the sensor case Installation Manual
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Installation Manual
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*MMI-20040393*
MMI-20040393
Rev. AD
2019
Micro Motion Inc. USA
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