Emerson Micro Motion T Series Manuale utente
Installation Manual
20002172, Rev BC
February 2020
Micro Motion™ T-Series Coriolis Flow and
Density Sensors
Safety messages
Safety messages are provided throughout this manual to protect personnel and equipment. Read each safety message carefully
before proceeding to the next step.
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 +1 303-527-5200 The Netherlands +31 (0) 704 136
666
New Zealand 099 128 804
Mexico +41 (0) 41 7686
111
France 0800 917 901 India 800 440 1468
Argentina +54 11 4837 7000 Germany 0800 182 5347 Pakistan 888 550 2682
Brazil +55 15 3413 8000 Italy 8008 77334 China +86 21 2892 9000
Central & Eastern +41 (0) 41 7686
111
Japan +81 3 5769 6803
Russia/CIS +7 495 995 9559 South Korea +82 2 3438 4600
Egypt 0800 000 0015 Singapore +65 6 777 8211
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 Before you begin............................................................................................................5
1.1 About this document........................................................................................................................5
1.2 Hazard messages..............................................................................................................................5
1.3 Related documentation....................................................................................................................5
Chapter 2 Planning........................................................................................................................ 7
2.1 Installation checklist.........................................................................................................................7
2.2 Best practices................................................................................................................................... 8
2.3 Temperature limits...........................................................................................................................8
2.4 Recommendations for hygienic and self-draining applications......................................................... 9
Chapter 3 Mounting.....................................................................................................................13
3.1 Mount the sensor........................................................................................................................... 13
3.2 Attach extended electronics...........................................................................................................13
3.3 Rotate junction box or 800 core processor (optional)..................................................................... 15
Chapter 4 Transmitter power and I/O wiring................................................................................ 17
4.1 Options for wiring...........................................................................................................................17
4.2 Connect 4-wire cable......................................................................................................................18
4.3 Connect the 9-wire cable ............................................................................................................... 22
Chapter 5 Grounding....................................................................................................................23
Chapter 6 Supplementary information.........................................................................................25
6.1 Purge the sensor case .................................................................................................................... 25
Installation Manual Contents
20002172 February 2020
Installation Manual iii
Contents Installation Manual
February 2020 20002172
iv Micro Motion T-Series
1 Before you begin
1.1 About this document
This document provides information on planning, mounting, wiring, and grounding the T-
Series sensor.
The information in this document assumes that users understand basic transmitter and
sensor installation, configuration, and maintenance concepts and procedures.
1.2 Hazard messages
This document uses the following criteria for hazard messages based on ANSI standards
Z535.6-2011 (R2017).
DANGER
Serious injury or death will occur if a hazardous situation is not avoided.
WARNING
Serious injury or death could occur if a hazardous situation is not avoided.
CAUTION
Minor or moderate injury will or could occur if a hazardous situation is not avoided.
NOTICE
Data loss, property damage, hardware damage, or software damage can occur if a
situation is not avoided. There is no credible risk of physical injury.
Physical access
NOTICE
Unauthorized personnel can potentially cause significant damage and/or misconfiguration
of end users' equipment. Protect against all intentional or unintentional unauthorized use.
Physical security is an important part of any security program and fundamental to
protecting your system. Restrict physical access to protect users' assets. This is true for all
systems used within the facility.
1.3 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:
•The hazardous area approvals documentation shipped with the sensor or available at
www.emerson.com/flowmeasurement.
•Micro Motion T-Series Flow and Density Meters Product Data Sheet
Installation Manual Before you begin
20002172 February 2020
Installation Manual 5
•Micro Motion 9-Wire Flowmeter Cable Preparation and Installation Guide
•The transmitter installation and configuration and use guides
Before you begin Installation Manual
February 2020 20002172
6 Micro Motion T-Series
2 Planning
2.1 Installation checklist
□Make sure that the hazardous area specified on the approval tag is suitable for the
environment in which the meter will be installed.
WARNING
Failure to abide by approvals can cause an explosion resulting in injury or death.
□Verify that the local ambient and process temperatures are within the limits of the
meter.
□If your sensor has an integral transmitter, no wiring is required between the sensor and
transmitter. Follow the wiring instructions in the transmitter installation manual for
signal and power wiring.
□If your transmitter has remote-mounted electronics, follow the instructions in this
manual for wiring between the sensor and the transmitter, and then follow the
instructions in the transmitter installation manual for power and signal wiring.
Table 2-1: Maximum cable lengths
Cable type To transmitter Maximum length
Micro Motion
9-wire
9739 MVD and 5700
transmitter
1,000 ft (305 m)
All other MVD transmitters 60 ft (18 m)
Micro Motion
4-wire
All 4-wire MVD transmitters 1,000 ft (305 m) without Ex-approval
500 ft (152 m) with IIC-rated sensors
1,000 ft (305 m) with IIB-rated sensors
Table 2-2: Maximum lengths for user-supplied 4-wire cable
Wire function Wire size Maximum length
Power (VDC) 22 AWG (0.326 mm²) 300 ft (91 m)
20 AWG (0.518 mm²) 500 ft (152 m)
18 AWG (0.823 mm²) 1,000 ft (305 m)
Signal (RS-485) 22 AWG (0.326 mm²) or larger 1,000 ft (305 m)
□For optimal performance, install the sensor in the preferred orientation. The sensor will
work in any orientation as long as the flow tubes remain full of process fluid.
□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.)
Installation Manual Planning
20002172 February 2020
Installation Manual 7
2.2 Best practices
The following information can help you get the most from your sensor.
•There are no pipe run requirements for Micro Motion sensors. Straight runs of pipe
upstream or downstream are unnecessary.
•If the sensor is installed in a vertical pipeline, liquids and slurries should flow upward
through the sensor. Gases should flow downward.
•Keep the sensor tubes full of process fluid.
•For halting flow through the sensor with a single valve, install the valve downstream
from the sensor.
•Minimize bending and torsional stress on the meter. Do not use the meter to align
misaligned piping.
•The sensor does not require external supports. The flanges will support the sensor in
any orientation.
2.3 Temperature limits
Sensors can be used in the process and ambient temperature ranges shown in the
temperature limit graphs. For the purposes of selecting electronics options, temperature
limit graphs should be used only as a general guide. If your process conditions are close to
the gray area, consult with your Micro Motion representative.
Note
•In all cases, the electronics cannot be operated where the ambient temperature is
below -40 °F (-40.0 °C) or above 140 °F (60.0 °C). If a sensor is to be used where the
ambient temperature is outside of the range permissible for the electronics, the
electronics must be remotely located where the ambient temperature is within the
permissible range, as indicated by the shaded areas of the temperature limit graphs.
•Temperature limits may be further restricted by hazardous area approvals. Refer to the
hazardous area approvals documentation shipped with the sensor or available at
www.emerson.com/flowmeasurement.
•The extended-mount electronics option allows the sensor case to be insulated without
covering the transmitter, core processor, or junction box, but does not affect
temperature ratings. When insulating the sensor case at elevated process
temperatures above 140 °F (60.0 °C), ensure electronics are not enclosed in insulation
as this may lead to electronics failure.
Planning Installation Manual
February 2020 20002172
8 Micro Motion T-Series
Ambient and process temperature limits for all models
122 (50)
D
A
B
C
125.5
(52)
140 (60)
-40 (-40)
-60 (–51)
-20 (-29)
20 (7)
60 (16)
100 (38)
-60 (-51)
300 (149)
-20 (-29)
20 (7)
60 (16)
100 (38)
140 (60)
200 (93)
280 (138)
240 (116)
320 (160)
A. Ambient temperature of core processor or transmitter in °F (°C)
B. Maximum process temperature in °F (°C)
C. Mount transmitter remotely and use a junction box
D. Temperature is below -40 °F (-40 °C); mount transmitter remotely and use a junction box
2.4 Recommendations for hygienic and self-
draining applications
For optimal cleanability and drainability:
•If possible, install the sensor in a vertical pipeline with the process fluid flowing upward
through the sensor.
•The minimum angle of inclination of the sensor depends on the process fitting. See
Figure 2-1 and Table 2-3.
•For clean-in-place (CIP) applications, Micro Motion recommends using the generally-
accepted flow velocity of at least 1.5 m/s for cleaning the sensor.
•If the process piping must be larger than the sensor, eccentric reducers may be used to
ensure full drainability. In this case, the process end connections for the piping and
sensor must be the same size. See Figure 2-2.
Note
As part of the cleaning process, you can purge skid-based systems with nitrogen at the
end of the cleaning cycle. When using eccentric reducers, it is possible to trap gas in
the section of process piping adjacent to the reducer. Sensor performance can be
impacted by intermittent flow of the captured gas in a liquid fluid stream.
Installation Manual Planning
20002172 February 2020
Installation Manual 9
•The gap between the electronics housing and sensor body should be inspected
periodically. Manually clean this gap when necessary.
•Tri-Clamp® and DIN 11851 style process connections require special gaskets to comply
with EHEDG requirements for hygienic design.
Figure 2-1: Sensor inclination
$%
A. Angle of inclination
B. Direction of gravity
Table 2-3: Minimum angle of inclination
Model Fitting
code Description Min. angle
T025F, T025T 621 0.5 in (13 mm) Tri-Clamp compatible sanitary
clamp
47°
670 DN10 DIN 11851 sanitary coupling 47°
671 DN15 DIN 11851 sanitary coupling 47°
676 DN15 DIN 11864-1A sanitary coupling 47°
T050F, T050T 621 0.5 in (13 mm) Tri-Clamp compatible sanitary
clamp
0°
671 DN15 DIN 11851 sanitary coupling 47°
676 DN15 DIN 11864-1A sanitary coupling 47°
T075F, T075T 622 0.75 in (19.0 mm) Tri-Clamp compatible sanitary
clamp
0°
623 1 in (25 mm) Tri-Clamp compatible sanitary clamp 47°
662 DN25 ISO 2853 (IDF) sanitary coupling 47°
672 DN25 DIN 11851 sanitary coupling 47°
677 DN25 DIN 11864-1A sanitary coupling 47°
692 DN25 SMS 1145 sanitary coupling 32°
T100F, T100T 623 1 in (25 mm) Tri-Clamp compatible sanitary clamp 0°
Planning Installation Manual
February 2020 20002172
10 Micro Motion T-Series
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