Emerson Rosemount 8732 User manual

www.rosemount.com
¢00825-0100-4725.¤
Quick Installation Guide
00825-0100-4662, Rev CD
June 2013 Rosemount 8732
Start
Step 1: Pre-Installation
Step 2: Handling
Step 3: Mounting
Step 4: Installation
(Flanged Sensors)
(Wafer Sensors)
(Sanitary Sensors)
Step 5: Grounding
Step 6: Wiring
Step 7: Basic Configuration
Product Certifications
End
Rosemount 8732E Magnetic Flowmeter System
(Transmitter and Sensor)
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© 2014 Rosemount Inc. All rights reserved. All marks property of owner.
IMPORTANT NOTICE
This document provides basic installation guidelines for the Rosemount®8732. It does not
provide instructions for detailed configuration, diagnostics, maintenance, service,
troubleshooting, explosion-proof, flame-proof, or intrinsically safe (I.S.) installations. Refer to
the Rosemount 8732 reference manual (document number 00809-0100-4662) for more
instructions. The manual and this QIG are also available electronically on
www.rosemount.com.
WARNING
Failure to follow these installation guidelines could result in death or serious injury:
Installation and servicing instructions are for use by qualified personnel only. Do not perform
any servicing other than that contained in the operating instructions, unless qualified. Verify
that the operating environment of the sensor and transmitter is consistent with the
appropriate FM, CSA, ATEX, or IECEx approval.
Do not connect a Rosemount 8732 to a non-Rosemount sensor that is located in an explosive
atmosphere.
WARNING
The sensor liner is vulnerable to handling damage. Never place anything through the sensor
for the purpose of lifting or gaining leverage. Liner damage can render the sensor useless.
To avoid possible damage to the sensor liner ends, do not use metallic or spiral-wound
gaskets. If frequent removal is anticipated, take precautions to protect the liner ends. Short
spool pieces attached to the sensor ends are often used for protection.
Correct flange bolt tightening is crucial for proper sensor operation and life. All bolts must be
tightened in the proper sequence to the specified torque limits. Failure to observe these
instructions could result in severe damage to the sensor lining and possible sensor
replacement.
WARNING
Rosemount 8705 Magnetic Flowtube units ordered with non-standard paint options may be
subject to electrostatic discharge.
To avoid electrostatic charge build-up, do not rub the meter body with a dry cloth or clean
with solvents.
Emerson Process Management
Rosemount Flow
7070 Winchester Circle,
Boulder, CO 80301
Tel (USA) 800 522 6277
Tel (International) [phone]
Fax [phone]
Emerson Process
Management Flow
Neonstraat 1
6718 WX Ede
The Netherlands
T [phone]
F [phone]
Emerson Process
Management Asia Pacific
Private Limited
1 Pandan Crescent
Singapore 128461
T (65) 6777 8211
F (65) 6777 0947/65 6777 0743
Emerson FZE
P.O. Box 17033
Jebel Ali Free Zone
Dubai UAE
Tel [phone]
Fax [phone]
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Quick Installation Guide
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June 2013 Rosemount 8732
3
STEP 1: PRE-INSTALLATION
Before installing the Rosemount 8732 Magnetic Flowmeter Transmitter, there are several
pre-installation steps that should be completed to make the installation process easier:
• Identify the options and configurations that apply to your application
• Set the hardware switches if necessary
• Consider mechanical, electrical, and environmental requirements
Mechanical Considerations
The mounting site for the Rosemount 8732 transmitter should provide enough room for secure
mounting, easy access to conduit ports, full opening of the transmitter covers, and easy
readability of the LOI screen (see Figure 1).
If the Rosemount 8732 is mounted separately from the sensor, it is not subject to limitations
that might apply to the sensor.
NOTE:
* M20 and PG 13.5 connections are available with the use of threaded conduit adapters.
Figure 1. Rosemount 8732 Dimensional Drawing
5.82
(148)
6.48 (165)
7.49 (190)
LOI Cover
4.97
(126)
8.81
(224)
3.00
(76)
3.07
(78)
4.97
(126)
1/2”-14 NPT, (3 places)*
1/2”-14 NPT, (2 places)*
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Environmental Considerations
To ensure maximum transmitter life, avoid excessive heat and vibration. Typical problem areas:
• high-vibration lines with integrally mounted transmitters
• warm-climate installations in direct sunlight
• outdoor installations in cold climates.
Remote-mounted transmitters may be installed in the control room to protect the electronics
from the harsh environment and provide easy access for configuration or service.
Both remotely and integrally mounted Rosemount 8732 transmitters require external power so
there must be access to a suitable power source.
Installation Procedures
Rosemount 8732 installation includes both detailed mechanical and electrical installation
procedures.
Mount the Transmitter
At a remote site the transmitter may be mounted on a pipe up to two inches in diameter or
against a flat surface.
Pipe Mounting
To mount the transmitter on a pipe:
1. Attach the mounting bracket to the pipe using the mounting hardware.
2. Attach the Rosemount 8732 to the mounting bracket using the mounting screws.
Identify Options and Configurations
The standard application of the 8732 includes a 4–20 mA output and control of the sensor coils
and electrodes. Other applications may require one or more of the following configurations or
options:
• HART Multidrop Configuration
•DiscreteOutput
•DiscreteInput
• Pulse Output
Be sure to identify those options and configurations that apply to your situation and keep a list
of them nearby for consideration during the installation and configuration procedures.
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Hardware Jumpers/Switches
The 8732 electronics board is equipped with four user-selectable hardware switches. These
switches set the Failure Alarm Mode, Internal/External Analog Power, Internal/External Pulse
Power, and Transmitter Security. The standard configuration for these switches when shipped
from the factory are as follows:
Changing Hardware Switch Settings
In most cases, it is not necessary to change the setting of the hardware switches. If you need to
change the switch settings, complete the steps outlined in the manual.
Electrical Considerations
Before making any electrical connections to the Rosemount 8732, consider local and plant
electrical standards and be sure to have the proper power supply, conduit, and other accessories
necessary to comply with these standards.
Rotate Transmitter Housing
The electronics housing can be rotated on the sensor in 90° increments by loosening the four
mounting bolts on the bottom of the housing and reinstalling the bolts. When the housing is
returned to its original position, be sure the surface is clean and there is no gap between the
housing and the sensor.
Failure Alarm Mode: HIGH
Internal/External Analog Power(1):
(1) For electronics with intrinsically safe (I.S. Output) approvals, analog and pulse power must be provided
externally. The electronics do not include these hardware switches.
INTERNAL
Internal/External Pulse Power(1):EXTERNAL
Transmitter Security: OFF
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STEP 2: HANDLING
Handle all parts carefully to prevent damage. Whenever possible, transport the system to the
installation site in the original shipping containers. PTFE-lined sensors are shipped with end
covers that protect it from both mechanical damage and normal unrestrained distortion.
Remove the end covers just before installation.
Figure 2. Rosemount 8705 sensor support for handling
½- through 4-Inch Sensors
6-Inch and Larger Sensors
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STEP 3: MOUNTING
Upstream/Downstream Piping
To ensure specification accuracy over widely varying process conditions, install the sensor a
minimum of five straight pipe diameters upstream and two pipe diameters downstream from
the electrode plane (see Figure 3).
Installations with reduced upstream and downstream straight runs are possible. In reduced
straight run installations, absolute performance may shift. Reported flow rates will still be highly
repeatable.
Flow Direction
The sensor should be mounted so the FORWARD end of the flow arrow, shown on the sensor
tube adaptor points in the direction of flow through the sensor. See Figure 4.
Figure 3. Upstream and downstream straight pipe diameters
Figure 4. Flow Direction Arrow
5 Pipe Diameters 2 Pipe Diameters
Flow
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Sensor Location
The sensor should be installed in a location that ensures the sensor remains full during
operation. Vertical installation allows upward process fluid flow and keeps the cross-sectional
area full, regardless of flow rate. Horizontal installation should be restricted to low piping
sections that are normally full.
Sensor Orientation
The electrodes in the sensor are properly orientated when the two measurement electrodes are
in the 3 and 9 o’clock positions or within 45° from the vertical, as shown on the right of Figure 6.
Avoid any mounting orientation that positions the top of the sensor at 90° from the vertical
position as shown on the left of Figure 6.
Figure 5. Sensor orientation
Figure 6. Mounting position
FLOW
FLOW
Correct
Incorrect
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STEP 4: INSTALLATION
Flanged Sensors
Gaskets
The sensor requires a gasket at each of its connections to adjacent devices or piping. The gasket material
selected must be compatible with the process fluid and operating conditions. Metallic or
spiral-wound gaskets can damage the liner. Gaskets are required on each side of a grounding
ring. All other applications (including sensors with lining protectors or a grounding electrode)
require only one gasket on each end connection.
Flange Bolts
NOTE:
Do not bolt one side at a time. Tighten each side simultaneously. Example:
1. Snug upstream
2. Snug downstream
3. Tighten upstream
4. Tighten downstream
Do not snug and tighten the upstream side and then snug and tighten the downstream side.
Failure to alternate between the upstream and downstream flanges when tightening bolts may
result in liner damage.
Suggested torque values by sensor line size and liner type are listed in Table 1 for ASME B16.5
flanges and Table 2 for EN flanges. Consult the factory if the flange rating of the sensor is not
listed. Tighten flange bolts on the upstream side of the sensor in the incremental sequence
shown in Figure 8 to 20% of the suggested torque values. Repeat the process on the
downstream side of the sensor. For sensors with more or less flange bolts, tighten the bolts in a
similar crosswise sequence. Repeat this entire tightening sequence at 40%, 60%, 80%, and 100%
of the suggested torque values or until the leak between the process and sensor flanges stop.
If leakage has not stopped at the suggested torque values, the bolts can be tightened in
Figure 7. Flanged gasket placement
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additional 10% increments until the joint stops leaking, or until the measured torque value
reaches the maximum torque value of the bolts. Practical consideration for the integrity of the
liner often leads the user to distinct torque values to stop leakage due to the unique
combinations of flanges, bolts, gaskets, and sensor liner material.
Check for leaks at the flanges after tightening the bolts. Failure to use the correct tightening
methods can result in severe damage. Sensors require a second tightening 24 hours after the
initial installation. Over time, sensor liner materials may deform under pressure.
Figure 8. Flange bolt torquing sequence
Table 1. Suggested Flange Bolt Torque Values for Rosemount 8705 and 8707 High-Signal
Sensors (ASME)
Size
Code Line Size
PTFE/ETFE/PFA
liners
Polyurethane/Neoprene/Linatex/Adiprene
liner
Class 150
(pound-feet)
Class 300
(pound-feet)
Class 150
(pound-feet)
Class 300
(pound-feet)
005 0.5 inch (15 mm) 8 8 - -
010 1 inch (25 mm) 812 - -
015 1.5 inch (40 mm) 13 25 718
020 2 inch (50 mm) 19 17 14 11
025 2.5 inch (65 mm) 22 24 17 16
030 3 inch (80 mm) 34 35 23 23
040 4 inch (100 mm) 26 50 17 32
050 5 inch (125 mm) 36 60 25 35
060 6 inch (150 mm) 45 50 30 37
080 8 inch (200 mm) 60 82 42 55
100 10 inch (250 mm) 55 80 40 70
120 12 inch (300 mm) 65 125 55 105
140 14 inch (350 mm) 85 110 70 95
160 16 inch (400 mm) 85 160 65 140
180 18 inch (450 mm) 120 170 95 150
200 20 inch (500 mm) 110 175 90 150
240 24 inch (600 mm) 165 280 140 250
300 30 inch (750 mm) 195 415 165 375
360 36 inch (900 mm) 280 575 245 525
15
3
7
8
4
62
8-bolt
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Table 2. Flange Bolt Torque and Bolt Load Specifications for 8705 (EN 1092-1)
Size Code Line Size
PTFE/ETFE/PFA liner
PN10 PN 16 PN 25 PN 40
(Newton-meter) (Newton-meter) (Newton-meter) (Newton-meter)
005 0.5-inch
(15 mm) 10
010 1 inch
(25 mm) 20
015 1.5 inch
(40 mm) 50
020 2 inch
(50 mm) 60
025 2.5 inch
(65 mm) 50
030 3 inch
(80 mm) 50
040 4 inch
(100 mm) 50 70
050 5.0 inch
(125 mm) 70 100
060 6 inch
(150mm) 90 130
080 8 inch
(200 mm) 130 90 130 170
100 10 inch
(250 mm) 100 130 190 250
120 12 inch
(300 mm) 120 170 190 270
140 14 inch
(350 mm) 160 220 320 410
160 16 inch
(400 mm) 220 280 410 610
180 18 inch
(450 mm) 190 340 330 420
200 20 inch
(500 mm) 230 380 440 520
240 24 inch
(600 mm) 290 570 590 850
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Table 2. (continued) Flange Bolt Torque and Bolt Load Specifications for 8705 (EN 1092-1)
Size Code Line Size
Polyurethane, Linatex, Adiprene and Neoprene Liners
PN 10 PN 16 PN 25 PN 40
(Newton-meter) (Newton-meter) (Newton-meter) (Newton-meter)
010 1 inch
(25 mm) 20
015 1.5 inch
(40 mm) 30
020 2 inch
(50 mm) 40
025 2.5 inch
(65 mm) 35
030 3 inch
(80 mm) 30
040 4 inch (100
mm) 40 50
050 5.0 inch
(125 mm) 50 70
060 6 inch (150
mm) 60 90
080 8 inch (200
mm) 90 60 90 110
100 10 inch
(250 mm) 70 80 130 170
120 12 inch
(300 mm) 80 110 130 180
140 14 inch
(350 mm) 110 150 210 280
160 16 inch
(400 mm) 150 190 280 410
180 18 inch
(450 mm) 130 230 220 280
200 20 inch
(500 mm) 150 260 300 350
240 24 inch
(600 mm) 200 380 390 560
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Wafer Sensors
Gaskets
The sensor requires a gasket at each of its connections to adjacent devices or piping. The gasket
material selected must be compatible with the process fluid and operating conditions. Metallic
or spiral-wound gaskets can damage the liner. Gaskets are required on each side of a grounding
ring. See Figure below.
Alignment
1. On 1.5 through 8-inch (40 through 200 mm) line sizes. Rosemount strongly recommends
installing the alignment spacers provided to insure proper centering of the wafer sensor
between the process flanges. Sensor sizes of 0.15, 0.30, 0.5 and 1 in. (4 through 25 mm), do
not require alignment spacers.
2. Insert studs for the bottom side of the sensor between the pipe flanges and center the
alignment spacer in the middle of the stud. See Figure 9 for the bolt hole locations
recommended for the spacers provided. Stud specifications are listed in Table 3.
3. Place the sensor between the flanges. Make sure that the alignment spacers are properly
centered on the studs. For vertical flow installations slide the o-ring over the stud to keep the
spacer in place. See Figure 9. To ensure the spacers match the flange size and class rating for
the process flanges see Table 4.
4. Insert the remaining studs, washers, and nuts.
5. Tighten to the torque specifications shown in Table 5. Do not over-tighten the bolts or the
liner may be damaged.
Table 3. Stud specifications
NOTE:
Sensor sizes of 0.15, 0.30, and 0.5 in. mount between AMSE 1/2-inch flanges. Using carbon
steel bolts on sensor sizes of 0.15, 0.30, 0.5 and 1 in. (15 and 25 mm), rather than the required
stainless steel bolts, will degrade the flow sensor measurement.
Figure 9. Wafer gasket placement
Nominal Sensor Size Stud Specifications
0.15 – 1 inch (4 – 25 mm) 316 SST ASTM A193, Grade B8M Class 1 threaded mounted studs
1.5 – 8 inch (40 – 200 mm) CS, ASTM A193, Grade B7, threaded mounting studs
Spacer Installation
Horizontal meters Vertical meters
O-ring
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Table 4. Rosemount alignment spacer table
To order an Alignment Spacer Kit (qty 3 spacers) use p/n 08711-3211-xxxx along with the Dash
No. above.
Rosemount Alignment Spacer Table
Dash No. Line Size Flange Rating
(in) (mm)
0A15 1.5 40 JIS 10K-20K
0A20 250 JIS 10K-20K
0A30 380 JIS 10K
0B15 1.5 40 JIS 40K
AA15 1.5 40 ASME - 150#
AA20 250 ASME - 150#
AA30 380 ASME - 150#
AA40 4100 ASME - 150#
AA60 6150 ASME - 150#
AA80 8200 ASME - 150#
AB15 1.5 40 ASME - 300#
AB20 250 ASME - 300#
AB30 380 ASME - 300#
AB40 4100 ASME - 300#
AB60 6150 ASME - 300#
AB80 8200 ASME - 300#
AB15 1.5 40 ASME - 300#
AB20 250 ASME - 300#
AB30 380 ASME - 300#
AB40 4100 ASME - 300#
AB60 6150 ASME - 300#
AB80 8200 ASME - 300#
DB40 4100 EN 1092-1 - PN10/16
DB60 6150 EN 1092-1 - PN10/16
DB80 8200 EN 1092-1 - PN10/16
DC80 8100 EN 1092-1 - PN25
DD15 1.5 150 EN 1092-1 - PN10/16/25/40
DD20 250 EN 1092-1 - PN10/16/25/40
DD30 380 EN 1092-1 - PN10/16/25/40
DD40 4100 EN 1092-1 - PN25/40
DD60 6150 EN 1092-1 - PN25/40
DD80 8200 EN 1092-1 - PN40
RA80 8200 AS40871-PN16
RC20 250 AS40871-PN21/35
RC30 380 AS40871-PN21/35
RC40 4100 AS40871-PN21/35
RC60 6150 AS40871-PN21/35
RC80 8200 AS40871-PN21/35
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Flange Bolts
Wafer sensors require threaded studs. See Figure 8 for torque sequence. Always check for leaks
at the flanges after tightening the flange bolts. All sensors require a second torquing 24 hours
after initial flange bolt tightening.
Sanitary Sensors
Gaskets
The sensor requires a gasket at each of its connections to adjacent devices or piping. The gasket
material selected must be compatible with the process fluid and operating conditions. Gaskets
are supplied between the IDF fitting and the process connection fitting, such as a Tri-Clamp
fitting, on all Rosemount 8721 Sanitary sensors except when the process connection fittings are
not supplied and the only connection type is an IDF fitting.
Alignment and Bolting
Standard plant practices should be followed when installing a magmeter with sanitary fittings.
Unique torque values and bolting techniques are not required.
Table 5. Rosemount 8711 torque specifications
Size Code Line Size Pound-feet Newton-meter
15F 0.15 inch (4 mm) 5 7
30F 0.30 inch (8 mm) 5 7
005 0.5 inch (15 mm) 5 7
010 1 inch (25 mm) 10 14
015 1.5 inch (40 mm) 15 20
020 2 inch (50 mm) 25 34
030 3 inch (80 mm) 40 54
040 4 inch (100 mm) 30 41
060 6 inch (150 mm) 50 68
080 8 inch (200 mm) 70 95
Figure 10. Rosemount 8721 sanitary installation
User supplied clamp
User supplied gasket
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STEP 5: GROUNDING
Use Table 6 to determine which process grounding option to follow for proper installation. The
sensor case should be earth grounded in accordance with national and local electrical codes.
Failure to do so may impair the protection provided by the equipment.
Table 6. Process grounding installation
Process Grounding Options
Type of Pipe Grounding Straps Grounding
Rings
Reference
Electrode
Lining
Protectors
Conductive Unlined Pipe See Figure 11(1)
(1) Ground Rings/Lining Protectors are not required for process reference. Ground Straps per Figure 12
would be sufficient.
See Figure 11(1) Not Required
See Figure 14 See Figure 12(1)
Conductive Lined Pipe Insufficient Grounding See Figure 12 See Figure 11 See Figure 12
Non-Conductive Pipe Insufficient Grounding See Figure 13 Not Recommended See Figure 13
Figure 11. Grounding Straps in Conductive Lines Pipe or Reference Electrode in Lined Pipe
Figure 12. Grounding with Grounding Rings or Lining Protectors in Conductive Pipe
Grounding Rings or Lining
Protectors
Ground Rings/Lining Protectors are not required for process reference. Ground Straps per Figure 12 would be
sufficient.
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Figure 13. Grounding with Grounding Rings or Lining Protectors in Non-Conductive Pipe
Figure 14. Grounding with Reference Electrode in Conductive Unlined Pipe
Grounding Rings or Lining
Protectors
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STEP 6: WIRING
This wiring section covers the connection between the transmitter and sensor, the 4-20 mA
loop, and supplying power to the transmitter. Follow the conduit information, cable
requirements, and disconnect requirements in the sections below.
Conduit Ports and Connections
Both the sensor and transmitter junction boxes have ports for 1/2-inch NPT conduit
connections with optional CM20 or PG 13.5 connections available. These connections should
be made in accordance with national, local, and plant electrical codes. Unused ports should be
sealed with metal plugs. Proper electrical installation is necessary to prevent errors due to
electrical noise and interference. Separate conduits are not necessary for the coil drive and
electrode cables, but a dedicated conduit line between each transmitter and sensor is required.
Shielded cable must be used for best results in electrically noisy environments. When preparing
all wire connections, remove only the insulation required to fit the wire completely under the
terminal connection. Removal of excessive insulation may result in an unwanted electrical short
to the transmitter housing or other wire connections. For flanged sensors installed into an
application requiring IP68 protection, sealed cable glands, conduit, and conduit plugs that meet
IP68 ratings are required.
Conduit Requirements
A single dedicated conduit run for the coil drive and electrode cable is needed between the
sensor and the remote transmitter. See Figure 15. Bundled cables in a single conduit are likely to
create interference and noise problems in the system. Use one set of cables per conduit run.
Figure 15. Conduit preparation
Wrong Correct
Coil Drive
and
Electrode
Cables
Power
Outputs
Power
Outputs
Coil Drive
and
Electrode
Cables
Power
Outputs
Power
Outputs
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STEP 6 CONTINUED...
Run the appropriate size cable through the conduit connections in your magnetic flowmeter
system. Run the power cable from the power source to the transmitter. Run the coil drive and
electrode cables between the flowmeter sensor and transmitter.
• Electrode cables should not be run together and should not be in the same cable tray as AC
or DC power wiring.
• Device must be properly grounded according to national and local electric codes.
• Rosemount combination cable part number 08732-0753-1003 (ft) or 08732-0753-2004
(m) is required to be used to meet EMC requirements.
Transmitter to Sensor Wiring
The transmitter can be integral to the sensor or remotely mounted following the wiring
instructions.
Remote Mount Cable Requirements and Preparation
For installations using the individual coil drive and electrode cable, lengths should be limited to
less than 1,000 feet (300 meters). Equal length cable is required for each. See Table 7.
For installations using the combination coil drive and electrode cable, lengths should be limited
to less than 330 feet (100 meters). See Table 7.
Prepare the ends of the coil drive and electrode cables as shown in Figure 16. Limit the
unshielded wire length to 1-inch on both the coil drive and electrode cables. Any unsheathed
wire should be wrapped with proper insulation. Excessive lead length or failure to connect cable
shields can create electrical noise resulting in unstable meter readings.
Figure 16. Cable preparation detail
Cable Shield
1.00
(26)
NOTE:
Dimensions are in inches (millimeters).
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STEP 6 CONTINUED...
To order cable specify length as quantity desired.
25 feet = Qty (25) 08732-0753-1003
Wiring the Transmitter to the Sensor
When using individual cables for coil drive and electrode refer to Table 8. If using the
combination coil drive and electrode cable refer to Table 9. See Figure 17 for transmitter specific
wiring diagram.
1. Connect the coil drive cable using terminals 1, 2, and 3 (ground).
2. Connect the electrode cable using terminals 17, 18, and 19.
Table 8. Individual coil and electrode cables
Table 9. Combination coil and electrode cable
Table 7. Cable requirements
Description Length Part Number
Coil Drive Cable (14 AWG)
Belden 8720, Alpha 2442 or equivalent ft m08712-0060-0001 08712-0060-2013
Electrode Cable (20 AWG)
Belden 8762, Alpha 2411 or equivalent
ft
m
08712-0061-0001
08712-0061-2003
Combination Cable
Coil Drive Cable (18 AWG) and Electrode Cable (20 AWG)
ft
m
08732-0753-1003
08732-0753-2004
WARNING
Potential Shock Hazard Across Terminals 1 & 2 (40 Vac).
Transmitter Terminal Sensor Terminal Wire Gauge Wire Color
1 1 14 Clear
2 2 14 Black
3 or Ground 3 or Ground 14 Shield
17 17 20 Shield
18 18 20 Black
19 19 20 Clear
Transmitter Terminal Sensor Terminal Wire Gauge Wire Color
1 1 18 Red
2 2 18 Green
3 or Ground 3 or Ground 18 Shield
17 17 20 Shield
18 18 20 Black
19 19 20 White
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