This guide provides basic guidelines for Rosemount™ 2051G Transmitters. It
does not provide instructions for configuration, diagnostics, maintenance,
service, troubleshooting, Explosion-proof, Flameproof, or intrinsically safe
(I.S.) installations. See the Rosemount 2051G Reference Manual for more
information.
WARNING
Explosions could result in death or serious injury.
Installation of these transmitters in an explosive environment must be in
accordance with the appropriate local, national, and international
standards, codes, and practices. Review the approvals section of the
Rosemount 2051 Reference Manual for any restrictions associated with a
safe installation.
Before connecting a HART-based communicator in an explosive
atmosphere, make sure the instruments in the loop are installed in
accordance with intrinsically safe or non-incendive field wiring practices.
In an explosion-proof/flameproof installation, do not remove the
transmitter covers when power is applied to the unit.
Process leaks could result in death or serious injury.
To avoid process leaks, only use the O-ring designed to seal with the
corresponding flange adapter.
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals. High voltage that may be
present on leads can cause electrical shock.
Conduit/cable entries
Unless marked, the conduit/cable entries in the transmitter housing use a
½–14 NPT thread form. Entries marked “M20” are M20 × 1.5 thread form.
On devices with multiple conduit entries, all entries will have the same
thread form. Only use plugs, adapters, glands, or conduit with a
compatible thread form when closing these entries.
Quick Start Guide3
Quick Start GuideMay 2019
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to
and/or misconfiguration of end users’ equipment. This could be
intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and
fundamental to protecting your system. Restrict physical access by
unauthorized personnel to protect end users’ assets. This is true for all
systems used within the facility.
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May 2019Quick Start Guide
2System readiness
2.1Confirm HART Revision capability
• If using HART® based control or asset management systems, confirm the
HART capability of those systems prior to transmitter installation. Not all
systems are capable of communicating with HART Revision 7. This
transmitter can be configured for either HART Revision 5 or 7.
• For instructions on how to change the HART revision of the transmitter,
see Switch HART revision mode.
2.2Confirm correct device driver
Procedure
1. Verify the latest Device Driver (DD/DTM™) is loaded on your systems
to ensure proper communications.
2. Reference Emerson.com or FieldCommGroup.org for the latest DD.
3. Select desired product and download the DD.
a) Reference Table 2-1 for the correct DD.
Table 2-1: Device Revisions and Files
Identify deviceFind device driver
Softwar
e release
date
June
2016
(1) NAMUR revision is located on the hardware tag of the device. Differences in level 3 changes,
(2) HART software revision can be read using a HART capable configuration tool. Value shown
(3) Device driver file names use device and DD revision (e.g. 10_01). HART Protocol is designed
(4) HART Revision 5 and 7 selectable, Local Operator Interface (LOI), scaled variable,
Quick Start Guide5
NAMUR
hardwar
e
revision
1)
1.1.xx1.0.xx03710Reference
signified above by xx, represent minor product changes as defined per NE53. Compatibility
and functionality are preserved and product can be used interchangeably.
is minimum revision that could correspond to NAMUR revisions.
to enable legacy device driver revisions to continue to communicate with new HART devices.
To access new functionality, the new device driver must be downloaded. It is recommended
to download new device driver files to ensure full functionality.
Mount directly to the impulse line without using an additional mounting
bracket or mount directly to a wall, panel, or two-inch pipe using an optional
mounting bracket.
Figure 3-1: Transmitter Direct Mounting
A. Process connection
Note
Do not apply torque directly to the electronics housing. To avoid damage,
apply torque only to the hex-shaped process connection.
Figure 3-2: Panel and Pipe Mounting
Panel mount
Pipe mount
3.1Liquid flow applications
Procedure
1. Place taps to the side of the line.
2. Mount beside or below the taps.
3. Mount the transmitter so the drain/vent valves are oriented upward.
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3.2Gas flow applications
Procedure
1. Place taps in the top or side of the line.
2. Mount level or above the taps.
3.3Steam flow applications
Procedure
1. Place taps to the side of the line.
2. Mount beside or below the taps.
3. Fill impulse lines with water.
3.4
Quick Start Guide7
Environmental seal for housing
Thread sealing (PTFE) tape or paste on male threads of conduit is required to
provide a water/dust tight conduit seal and meets requirements of NEMA
Type 4X, IP66, and IP68. Consult factory if other ingress protection ratings
are required.
®
Quick Start GuideMay 2019
For M20 threads, install conduit plugs to full thread engagement or until
mechanical resistance is met.
3.5Gage transmitter orientation
The low side pressure port (atmospheric reference) on the inline gage
transmitter is located in the neck of the transmitter, behind the housing. The
vent path is 360° around the transmitter between the housing and sensor.
(See Figure 3-3).
CAUTION
Keep the vent path free of any obstruction, including but not limited to
paint, dust, and lubrication by mounting the transmitter so the
contaminants can drain away.
Figure 3-3: Gage Low Side Pressure Port
A
Low side pressure port (atmospheric reference)
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May 2019Quick Start Guide
4Set the switches
Set alarm and security switch configuration before installation as shown in
Figure 4-1.
• The alarm switch sets the analog output alarm to high or low. Default
alarm is high.
• The security switch allows (
transmitter. Default security is off (
Use the following procedure to change the switch configuration:
Procedure
1. If the transmitter is installed, secure the loop, and remove power.
2. Remove the housing cover opposite the field terminal side. Do not
remove the instrument cover in explosive atmospheres when the
circuit is live.
3. Slide the security and alarm switches into the preferred position
using a small screwdriver.
4. Reattach the transmitter cover. The cover must be fully engaged to
comply with explosion-proof requirements.
Figure 4-1: Transmitter Electronics Board
Without LCD displayWith LOI/LCD display
) or prevents ( ) any configuration of the
).
A. Alarm
B. Security
Quick Start Guide9
Quick Start GuideMay 2019
5Connect the wiring and power up
CAUTION
Do not tamper with or remove the electronics board in the Rosemount
2051G. This will cause permanent damage to the transmitter.
Shielded twisted pair cable should be used for best results. Use 24 AWG or
larger wire that does not exceed 5000 ft. (1500 m) in length. If applicable,
install wiring with a drip loop. Arrange the drip loop so the bottom is lower
than the conduit connections and the transmitter housing.
Figure 5-1: Wiring the Transmitter (4–20 mA HART)
A
Vdc supply
B
RL ≥ 250 (necessary for HART® communication only)
™
CAUTION
Installation of the transient protection terminal block does not provide
transient protection unless the transmitter case is properly grounded.
Do not run signal wiring in conduit or open trays with power wiring, or
near heavy electrical equipment.
Do not connect the powered signal wiring to the test terminals. Power
could damage the test diode in the terminal block.
Use the following steps to wire the transmitter:
Procedure
1. Remove the housing cover on the FIELD TERMINALS side.
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2. Connect the leads as shown in Figure 5-1.
3. Tighten the terminal screws to ensure full contact with the terminal
block screw and washer. When using a direct wiring method, wrap
wire clockwise to ensure it is in place when tightening the terminal
block screw.
Note
The use of a pin or ferrule wire terminal is not recommended as the
connection may be more susceptible to loosening over time or under
vibration.
4. Ground housing to fulfill local grounding regulations.
5. Ensure proper grounding. It is important that the instrument cable
shield:
• Be trimmed close and insulated from touching the transmitter
housing
• Be connected to the next shield if cable is routed through a
junction box
• Be connected to a good earth ground at the power supply end
6. If transient protection is needed, refer to Grounding for transient
terminal block section for grounding instructions.
7. Plug and seal unused conduit connections.
8. Replace the housing cover.
Quick Start Guide11
DP
A
B
C
D
E
Quick Start GuideMay 2019
Figure 5-2: Grounding
A. Trim shield and insulate
B. Insulate shield
C. Terminate cable shield drain wire to earth ground
D. Internal ground location
E. External ground location
5.1Grounding for transient terminal block
Ground termination is provided on the outside of the electronics housing
and inside the terminal compartment. These grounds are used when the
transient protection terminal blocks are installed. It is recommended that 18
AWG or larger wire is used to connect housing ground to earth ground
(internal or external).
If the transmitter is currently not wired for power up and communication,
follow Connect the wiring and power up. When the transmitter is properly
wired, refer to Figure 5-2 for internal and external transient grounding
locations.
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6Verify transmitter configuration
Verify the configuration using any HART® capable configuration tool or LOI option code M4. Configuration instructions for a Field Communicator and
LOI are included in this step. See Rosemount™ 2051 Reference Manual for
configuration instructions using AMS Device Manager.
6.1Verifying configuration with a Field Communicator
A Rosemount™ 2051 DD must be installed on the Field Communicator to
verify configuration. Fast Key sequences vary depending on device and DD
revisions. Use the Determine Fast Key sequence table process below to
identify the appropriate Fast Key sequences.
6.2Field Communicator user interface
6.2.1Determine Fast Key sequence table
Procedure
1. Connect Field Communicator to Rosemount™ 2051G.
2. If Home screen matches Figure 6-1, refer to Table 6-1 for Fast Key
sequences.
3. If Home screen matches Figure 6-2:
a) Perform Fast Key sequence 1, 7, 2 to identify Field Revision
and HART® Revision.
b) Refer to Table 6-2 and the appropriate column based on your
Field Revision and HART Revision for Fast Key sequences.
Note
Emerson recommends installing the latest DD to access the
complete functionality. Visit Emerson.com or FieldCommGroup.org.
Figure 6-1: Traditional Interface
Quick Start Guide13
Quick Start GuideMay 2019
Figure 6-2: Device Dashboard
Note
A check (✓) indicates the basic configuration parameters. At
minimum, these parameters should be verified as part of the
configuration and startup procedure.
Table 6-1: Traditional Interface Fast Keys
FunctionFast Key sequence
✓ Analog Output Alarm1,4,3,2,4
Burst Mode Control1,4,3,3,3
Burst Option1,4,3,3,4
Calibration1,2,3
✓ Damping1,3,5
Date1,3,4,1
Descriptor1,3,4,2
Digital To Analog Trim (4–
20 mA Output)
Disable Local Span/Zero
Adjustment
Field Device Info1,4,4,1
Keypad Input1,2,3,1,1
Loop Test1,2,2
Lower Range Value4,1
Lower Sensor Trim1,2,3,3,2
Message1,3,4,3
Meter Type1,3,6,1
Number of Requested1,4,3,3,2
1,2,3,2,1
1,4,4,1,7
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Table 6-1: Traditional Interface Fast Keys (continued)
FunctionFast Key sequence
Output Trim1,2,3,2
Percent Range1,1,2
Poll Address1,4,3,3,1
✓ Range Values1,3,3
Rerange1,2,3,1
Scaled D/A Trim (4–20 mA 1,2,3,2,2
Self Test (Transmitter)1,2,1,1
Sensor Info1,4,4,2
Sensor Trim (Full Trim)1,2,3,3
Sensor Trim Points1,2,3,3,5
Status1,2,1,2
✓ Tag1,3,1
Transmitter Security (Write
Protect)
✓ Units (Process Variable)1,3,2
Upper Range Value5,2
Upper Sensor Trim1,2,3,3,3
Zero Trim1,2,3,3,1
1,3,4,4
Note
A check (✓) indicates the basic configuration parameters. At
minimum, these parameters should be verified as part of the
configuration and startup procedure.
Table 6-2: Device Dashboard Fast Keys
FunctionFast Key sequence
Field RevisionRev 3Rev 5Rev 7
HART RevisionHART 5HART 5HART 7
✓ Alarm and Saturation
Levels
✓ Damping2,2,1,22,2,1,1,52,2,1,1,5
✓ Range Values2,2,22,2,22,2,2
✓ Tag2,2,6,1,12,2,7,1,12,2,7,1,1
Quick Start Guide15
N/A2,2,2,5,72,2,2,5,7
Quick Start GuideMay 2019
Table 6-2: Device Dashboard Fast Keys (continued)
FunctionFast Key sequence
Field RevisionRev 3Rev 5Rev 7
HART RevisionHART 5HART 5HART 7
✓ Transfer Function2,2,1,32,2,1,1,62,2,1,1,6
✓ Units2,2,1,12,2,1,1,42,2,1,1,4
Burst Mode2,2,4,12,2,5,32,2,5,3
Custom Display
Configuration
Date2,2,6,1,42,2,7,1,32,2,7,1,4
Descriptor2,2,6,1,52,2,7,1,42,2,7,1,5
Digital to Analog Trim
(4-20 mA Output)
Disable Configuration
Buttons
Rerange with Keypad2,2,22,2,2,12,2,2,1
Loop Test3,5,13,5,13,5,1
Upper Sensor Trim3,4,1,13,4,1,13,4,1,1
Lower Sensor Trim3,4,1,23,4,1,23,4,1,2
Message2,2,6,1,52,2,7,1,52,2,7,1,6
Sensor Temperature/Trend 3,3,23,3,33,3,3
Digital Zero Trim3,4,1,33,4,1,33,4,1,3
PasswordN/A2,2,6,42,2,6,5
Scaled VariableN/A3,2,23,2,2
HART Revision 5 to HART
Revision 7 switch
Long TagN/AN/A2,2,7,1,2
Find DeviceN/AN/A3,4,5
Simulate Digital SignalN/AN/A3,4,5
2,2,32,2,42,2,4
3,4,23,4,23,4,2
2,2,5,22,2,6,32,2,6,3
N/A2,2,5,2,32,2,5,2,3
6.3Verifying configuration with LOI
The optional LOI can be used for commissioning the device. The LOI is a twobutton design with internal and external buttons. The internal buttons are
located on the display of the transmitter, while the external buttons are
16Emerson.com/Rosemount
May 2019Quick Start Guide
located underneath the top metal tag. To activate the LOI, push any button.
LOI button functionality is shown on the bottom corners of the display. See
Table 6-3 and Figure 6-4 for button operation and menu information.
Figure 6-3: Internal and External LOI Buttons
A. Internal buttons
B. External buttons
Note
See Figure 7-1 to confirm external button functionality.
Table 6-3: LOI Button Operation
Butto
n
LeftNoSCROLL
RightYesENTER
Quick Start Guide17
Assign PV
HART Revision
Quick Start GuideMay 2019
Figure 6-4: LOI Menu
6.3.1Switch HART revision mode
If the HART configuration tool is not capable of communicating with HART
Revision 7, the Rosemount™ 2051G will load a Generic Menu with limited
capability. The following procedures will switch the HART revision mode
from the Generic Menu:
®
Procedure
Manual Setup → Device Information → Identification → Message
a) To change to HART Revision 5, Enter: “HART5” in the Message field.
b) To change to HART Revision 7, Enter: “HART7” in the Message field.
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7Trim the transmitter
Devices are calibrated by the factory. Once installed, it is recommended to
perform a zero trim on gage and absolute transmitters to eliminate error
due to mounting position or static pressure effects. A zero trim can be
performed using either a Field Communicator or configuration buttons.
For instructions using AMS Device Manager, see the Rosemount™ 2051
Reference Manual.
Note
When performing a zero trim, ensure the equalization valve is open and all
wet legs are filled to the correct level.
CAUTION
It is not recommended to zero an absolute transmitter
Procedure
Select trim procedure.
a) Analog Zero Trim – Sets the analog output to 4 mA.
• Also referred to as a “rerange,” it sets the Lower Range Value
(LRV) equal to the measured pressure.
• The display and digital HART output remains unchanged.
b) Digital Zero Trim – Recalibrates the sensor zero.
• The LRV is unaffected. The pressure value will be zero (on display
and HART output). 4 mA point may not be at zero.
• This requires that the factory calibrated zero pressure is within a
range of three percent of the URV [0 ± 3% x URV].
7.1
7.2
Quick Start Guide19
Example
URV = 150 psi
Applied Zero Pressure = + 0.03 x 150 psi = + 4.5 psi (compared to factory
settings) values outside this range will be rejected by the transmitter
Trimming with a Field Communicator
Procedure
1. Connect the Field Communicator, see Connect the wiring and power
up for instructions.
Quick Start GuideMay 2019
2. Follow the HART menu to perform the desired zero trim.
Table 7-1: Zero Trim Fast Keys
Analog zero (set 4 mA)Digital zero
Fast Key Sequence3, 4, 23, 4, 1, 3
7.3Trimming with configuration buttons
A zero trim is to be performed using one of the three possible sets of
external configuration buttons located under the top tag.
To access the configuration buttons, loosen the screw and slide the tag on
the top of the transmitter. Confirm the functionality using Figure 6-3.
Figure 7-1: External Configuration Buttons
A. Configuration buttons
B. LOI
C. Analog zero and span
D. Digital zero
Use the following procedures to perform a Zero Trim:
7.3.1Perform trim with LOI (option M4)
Procedure
1. Set the transmitter pressure.
2. See Figure 6-3 for the operating menu.
a) Select Rerange to perform an analog zero trim.
b) Select Zero Trim to perform a digital zero trim.
7.3.2Perform trim with analog zero and span (option D4)
Procedure
1. Set the transmitter pressure.
20Emerson.com/Rosemount
May 2019Quick Start Guide
2. Press and hold the zero button for two seconds to perform an analog
zero trim.
7.3.3Perform trim with digital zero (option DZ)
Procedure
1. Set the transmitter pressure.
2. Press and hold the zero button for two seconds to perform a digital
zero trim.
Quick Start Guide21
Quick Start GuideMay 2019
8Safety instrumented systems
For safety certified installations, refer to the Rosemount™ 2051G Reference
Manual for installation procedure and system requirements.
22Emerson.com/Rosemount
May 2019Quick Start Guide
9Product certifications
Rev. 1.5
9.1European Directive Information
A copy of the EU Declaration of Conformity can be found at the end of the
Quick Start Guide. The most recent revision of the EU Declaration of
Conformity can be found at Emerson.com/Rosemount.
9.2North America
E5 USA Explosionproof (XP) and Dust-Ignitionproof (DIP)
Certificate
Standards
Markings
I5 USA Intrinsic Safety (IS) and Nonincendive (NI)
FM Class 3600 - 2011, FM, Class 3615 - 2006, FM class 3616 2011, FM Class 3810 - 2005
XP CL I, DIV 1, GP B, C, D; DIP CL II, DIV 1, GP E, F, G; CL III; T5(–
50 °C ≤ Ta ≤ +85 °C); Factory Sealed; Type 4X
1015441
FM Class 3600 - 2011, FM Class 3610 - 2010, FM Class 3611 2004, FM Class 3810 - 2005
IS CL I, DIV 1, GP A, B, C, D; CL II, DIV 1, GP E, F, G; Class III; DIV
1 when connected per Rosemount™ drawing 02088-1024; NI
CL 1, DIV 2, GP A, B, C, D; T4(–50 °C ≤ Ta ≤ +70 °C); Type 4x
Class I, Division 1, Groups B, C and D; Class II, Groups E, F, and
G; Class III; Class I Division 2 Groups A, B, C and D; Type 4X;
Factory Sealed; Single Seal
Intrinsically Safe Class I, Division 1 when connected in
accordance with Rosemount drawing 02088-1024,
Temperature Code T4; Ex ia; Type 4X; Factory Sealed; Single
Seal
KEMA97ATEX2378X
EN 60079-0:2012 + A11:2013, EN60079-1:2014,
EN60079-26:2015
II 1/2 G Ex db IIC T6..T4 Ga/Gb, T6(–60 °C ≤ Ta ≤ +70 °C),
T5/T4 (–60 °C ≤ Ta ≤ +80 °C)
Ambient temperature
temperature
Special Conditions for Safe Use(X)
1. This device contains a thin wall diaphragm less than 1 mm thickness
that forms a boundary between zone 0 (process connection) and
zone 1 (all other parts of the equipment). The model code and
datasheet are to be consulted for details of the diaphragm material.
Installation, maintenance and use shall take into account the
environmental conditions to which the diaphragm will be subjected.
The manufacturer’s instructions for installation and maintenance
shall be followed in detail to assure safety during its expected
lifetime.
2. Flameproof joints are not intended for repair.
3. Non-standard paint options may cause risk from electrostatic
discharge. Avoid installations that could cause electrostatic build-up
on painted surfaces, and only clean the painted surfaces with a damp
24Emerson.com/Rosemount
May 2019Quick Start Guide
cloth. If paint is ordered through a special option code, contact the
manufacturer for more information.
4. Appropriate cable, glands and plugs need to be suitable for a
temperature of 5 °C greater than maximum specified temperature
for location where installed.
I1 ATEX Intrinsic Safety
Certificate
Standards
Markings
BAS00ATEX1166X
EN60079-0:2012 + A11:2013, EN60079-11:2012
Ex II 1 G Ex ia IIC T4 Ga (–55 °C ≤ Ta ≤ +70 °C)
Table 9-2: Input Parameters
HART
Voltage U
Current I
Power P
Capacitance Ci0.012 μF
i
i
30 V
i
200 mA
0.9 W
Special Conditions for Safe Use(X)
1. The apparatus is not capable of withstanding the 500 V insulation
test required by EN60079-11. This must be taken into account when
installing the apparatus.
2. The enclosure may be made of aluminum alloy and given a protective
polyurethane paint finish; however, care should be taken to protect it
from impact or abrasion if located in a Zone 0 environment.
N1 ATEX Type n
Certificate
Standards
Markings
BAS00ATEX3167X
EN60079-0:2012 + A11:2013, EN60079-15:2010
Ex II 3 G Ex nA IIC T5 Gc (–55 °C ≤ Ta ≤ +70 °C)
Special Conditions for Safe Use(X)
1. This apparatus is not capable of withstanding the 500V insulation
test required by EN60079-15. This must be taken into account when
installing the apparatus.
ND ATEX Dust
Certificate
Quick Start Guide25
BAS01ATEX1427X
Quick Start GuideMay 2019
Standards
Markings
Special Conditions for Safe Use(X)
1. Cable entries must be used which maintain the ingress protection of
the enclosure to at least IP66.
2. Unused cable entries must be filled with suitable blanking plugs
which maintain the ingress protection of the enclosure to at least
IP66.
3. Cable entries and blanking plugs must be suitable for the ambient
range of the apparatus and capable of withstanding a 7J impact test.
Ex db IIC T6…T4 Ga/Gb T6(–60 °C ≤ Ta ≤ +70 °C), T5/T4(–60 °C
≤ Ta ≤ +80 °C)
EN60079-0:2012 + A11:2013, EN60079-31:2009
Ex II 1 D Ex t IIIC T50 °C T
temperature
60 °C Da
500
Ambient temperature
Special Conditions for Safe Use(X)
1. This device contains a thin wall diaphragm less than 1 mm thickness
that forms a boundary between zone 0 (process connection) and
zone 1 (all other parts of the equipment). The model code and
datasheet are to be consulted for details of the diaphragm material.
Installation, maintenance and use shall take into account the
environmental conditions to which the diaphragm will be subjected.
The manufacturer’s instructions for installation and maintenance
shall be followed in detail to assure safety during its expected
lifetime.
2. Flameproof joints are not intended for repair.
26Emerson.com/Rosemount
May 2019Quick Start Guide
3. Non-standard paint options may cause risk from electrostatic
discharge. Avoid installations that could cause electrostatic build-up
on painted surfaces, and only clean the painted surfaces with a damp
cloth. If paint is ordered through a special option code, contact the
manufacturer for more information.
4. Appropriate cable, glands, and plugs need to be suitable for a
temperature of 5 °C greater than maximum specified temperature
for location where installed.
I7 IECEx Intrinsic Safety
Certificate
Standards
Markings
IECEx BAS 12.0071X
IEC60079-0:2011, IEC60079-11:2011
Ex ia IIC T4 Ga (–55 °C ≤ Ta ≤ +70 °C)
Table 9-4: Input Parameters
Voltage U
Current I
Power P
Capacitance Ci0.012 μF
i
i
30 V
i
200 mA
0.9 W
Special Conditions for Safe Use(X)
1. When fitted with a transient suppression terminal block, the
Rosemount™ 2088 is incapable of passing the 500 V isolation test.
This must be taken into account during installation.
2. The enclosure may be made of aluminum alloy and given a protective
polyurethane paint finish; however, care should be taken to protect it
from impact or abrasion if located in a Zone 0 environment.
N7 IECEx Type n
Certificate
Standards
Markings
IECEx BAS 12.0072X
IEC60079-0:2011, IEC60079-15:2010
Ex nA IIC T5 Gc (–40 °C ≤ Ta ≤ +70 °C)
Special Conditions for Safe Use(X)
1. When fitted with a transient suppression terminal block, the
Rosemount 2088 is incapable of passing the 500 V isolation test. This
must be taken into account during installation.
NK IECEx Dust
Quick Start Guide27
Quick Start GuideMay 2019
Certificate
Standards
Markings
Table 9-5: Input Parameters
HART
Voltage U
Current I
Special Conditions for Safe Use(X)
1. Cable entries must be used which maintain the ingress protection of
2. Unused cable entries must be filled with suitable blanking plugs
3. Cable entries and blanking plugs must be suitable for the ambient
9.5Brazil
E2 INMETRO Flameproof
IECEx BAS12.0073X
IEC60079-0:2011, IEC60079-31:2008
Ex t IIIC T50 °C T
36 V
i
i
24 mA
500
60 °C Da
the enclosure to at least IP66.
which maintain the ingress protection of the enclosure to at least
IP66.
temperature range of the apparatus and capable of withstanding a 7J
impact test.
Ex db IIC T6…T4 Ga/Gb T4/T5(–60 °C ≤ Ta ≤ +80 °C), T6(–60 °C
≤ Ta ≤ +70 °C)
Special Conditions for Safe Use(X)
1. This device contains a thin wall diaphragm less than 1 mm thickness
that forms a boundary between zone 0 (process connection) and
zone 1 (all other parts of the equipment). The model code and
datasheet are to be consulted for details of the diaphragm material.
Installation, maintenance, and use shall take into account the
environmental conditions to which the diaphragm will be subjected.
The manufacturer's instructions for installation and maintenance
shall be followed in detail to assure safety during its expected
lifetime.
2. Flameproof joints are not intended for repair.
28Emerson.com/Rosemount
May 2019Quick Start Guide
3. Non-standard paint options may cause risk from electrostatic
discharge. Avoid installations that could cause electrostatic build-up
on painted surfaces, and only clean the painted surfaces with a damp
cloth. If paint is ordered through a special option code, contact the
manufacturer for more information.
1. When fitted with a transient suppression terminal block, the
Rosemount™ 2088 is incapable of passing the 500 V isolation test.
This must be taken into account during installation.
2. The enclosure may be made of aluminum alloy and given a protective
polyurethane paint finish; however, care should be taken to protect it
from impact or abrasion if located in a zone 0 environment (areas
that require EPL Ga).
China
E3 China Flameproof
Certificate
Standards
Markings
GYJ17.1158X
GB3836.1-2010, GB3836.2-2010, GB3836.20-2010
Ex d IIC T6 ~T4 Ga/Gb, T5/T4(–60 °C ≤ Ta ≤ +80 °C), T6(–60 °C
≤ Ta ≤ +70 °C)
Special Conditions for Safe Use(X)
1. Contact the original manufacturer when repair work relates to the
flamepath.
Quick Start Guide29
Quick Start GuideMay 2019
I3 China Intrinsic Safety
9.7
Certificate
Standards
Markings
Special Conditions for Safe Use(X)
1. The enclosure may contain light metal, attention should be taken to
avoid ignition hazard due to impact or friction when used in Zone 0.
2. When transient protection board is chosen (option code T1), this
apparatus is not capable of withstanding the 500 V r.m.s insulation
test required by Clause 6.3.12 of GB3836.4-2010.
N3 China Type n
Certificate
Standards
Markings
Special Conditions for Safe Use(X)
1. When transient protection board is chosen (option code T1),this
apparatus is not capable of withstanding the 500 V r.m.s insulation
test required by Clause 6.3.12 of GB3836.4-2010.
GYJ17.1157X
GB3836.1-2010, GB3836.4-2010, GB3836.20-2010
Ex ia IIC T4 Ga (–55 °C ≤ Ta ≤ +70 °C)
GYJ17.1159X
GB3836.1-2010, GB3836.8-2014
Ex nA IIC T5 Gc (–40 °C ≤ Ta ≤ +70 °C)
Technical Regulations Customs Union (EAC)
EM EAC Flameproof
Certificate
Markings
Special Conditions for Safe Use(X)
1. See certificate for special conditions.
IM EAC Intrinsic Safety
Certificate
Markings
Special Conditions for Safe Use(X)
1. See certificate for special conditions.
30Emerson.com/Rosemount
TC RU C-US.AA87.B.00534
Ga/Gb Ex db IIC T5/T6 X, T5 (–60 °C ≤ Ta ≤ +80 °C), T6(–60 °C ≤
Ta ≤ +70 °C)
1. When the thread adapter or blanking plug is used with an enclosure
in type of protection increased safety “e” the entry thread shall be
suitably sealed in order to maintain the ingress protection rating (IP)
of the enclosure.
2. The blanking plug shall not be used with an adapter.
3. Blanking Plug and Threaded Adapter shall be either NPT or Metric
thread forms. G 1/2 thread forms are only acceptable for existing
(legacy) equipment installations.
32Emerson.com/Rosemount
May 2019Quick Start Guide
Figure 9-1: Rosemount™ 2051G Declaration of Conformity
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34Emerson.com/Rosemount
May 2019Quick Start Guide
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36Emerson.com/Rosemount
May 2019Quick Start Guide
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38Emerson.com/Rosemount
May 2019Quick Start Guide
Quick Start Guide39
*00825-0700-4101*
00825-0700-4101, Rev. AD
Quick Start Guide
May 2019
Global Headquarters
Emerson Automation Solutions
6021 Innovation Blvd.
Shakopee, MN 55379, USA
Emerson Terms and Conditions of Sale are
available upon request. The Emerson logo is a
trademark and service mark of Emerson Electric
Co. Rosemount is mark of one of the Emerson
family of companies. All other marks are the
property of their respective owners.
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