Emerson Rosemount 2051HT Manuale utente
Quick Start Guide
00825-0100-4591, Rev DB
October2023
Rosemount™ 2051HT Hygienic
Pressure Transmitter
with 4-20 mA HART® Revision 5 and 7
Contents
About this guide...........................................................................................................................3
System readiness......................................................................................................................... 5
Transmitter installation...............................................................................................................7
Product certifications................................................................................................................ 22
Quick Start Guide October2023
2 Emerson.com/Rosemount
1 About this guide
1.1 Safety messages
This guide provides basic guidelines for the Rosemount 2051
Pressure Transmitter. It does not provide instructions for
configuration, diagnostics, maintenance, service, troubleshooting,
explosionproof, flameproof, or intrinsically safe (IS) installations.
WARNING
Explosions could result in death or serious injury.
Installation of this transmitter 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
Quick Start Guide for any restrictions associated with a safe
installation.
Before connecting a handheld communicator in an explosive
atmosphere, be sure that 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 transmitter.
WARNING
Process leaks could result in death or serious injury.
Install and tighten process connectors before applying pressure.
Do not attempt to loosen or remove flange bolts while the
transmitter is in service.
October2023 Quick Start Guide
Quick Start Guide 3
WARNING
Electrical shock can result in death or serious injury.
Avoid contact with the leads and terminals. High voltage that may be
present on leads can cause electrical shock.
Before connecting a handheld communicator in an explosive
atmosphere, be sure that 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 transmitter.
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 in protecting your system. Restrict physical access by
unauthorized personnel to protect end users’ assets. This is true for
all systems used within the facility.
WARNING
Replacement equipment or spare parts not approved by Emerson for
use as spare parts could reduce the pressure retaining capabilities of
the transmitter and may render the instrument dangerous.
Use only bolts supplied or sold by Emerson as spare parts.
NOTICE
The products described in this document are NOT designed for
nuclear-qualified applications. Using non-nuclear qualified products
in applications that require nuclear-qualified hardware or products
may cause inaccurate readings. For information on Rosemount
nuclear-qualified products, contact your local Emerson Sales
Representative.
Quick Start Guide October2023
4 Emerson.com/Rosemount
2 System readiness
Note
Before installing the transmitter, confirm the correct device driver is
loaded on the host systems.
2.1 Confirm HART® Revision capability
If using HART-based control or AMS, confirm the HART capability of
those systems prior to transmitter installation.
Not all systems are capable of communicating with HART Revision 7
protocol. You can configure this transmitter for either HART Revision
5 or 7.
Related information
Switch HART Revision mode
2.2 Confirm correct device driver
•Verify the latest device driver (DD/DTM™) is loaded on your
systems to ensure proper communications.
•Download the latest device driver at Emerson.com or
FieldCommGroup.org.
2.2.1 Device revisions and drivers
Table 2-1 provides the information necessary to ensure you have the
correct device driver and documentation for your device.
Table 2-1: Device Revisions and Files
Identify device Find device driver
Review
instructio
n
Review
functionality
Software
release
date
NAMUR
software
revision(1
)
HART
software
revision(2
)
HART
universal
revision
Device
revision
Reference
manual
Changes to
software
Dec-11 1.0.0 01 7 10
Rosemoun
t 2051
Pressure
Transmitte
r
Reference
Manual
N/A
October2023 Quick Start Guide
Quick Start Guide 5
Table 2-1: Device Revisions and Files
(continued)
Identify device Find device driver
Review
instructio
n
Review
functionality
5 9
(1) NAMUR software revision is located on the hardware tag of the device. In
accordance with NE53, revisions of the least significant level X (of 1.0.X) do not
change functionality or operation of the device and will bot be reflected in this
device revision history.
(2) HART software revision can be read using a HART capable configuration tool.
Quick Start Guide October2023
6 Emerson.com/Rosemount
3 Transmitter installation
Figure 3-1: Installation Flowchart
3.1 Mount the transmitter
Before mounting, adjust the transmitter to desired orientation.
Transmitter must not be securely mounted or clamped in place when
changing transmitter orientation.
3.1.1 Conduit entry orientation
When installing a Rosemount 2051HT Hygienic Pressure Transmitter,
it is recommended to install so the conduit entry faces downward
toward the ground. This is to maximize drainability when cleaning.
3.1.2 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, IP68, and IP69K. Consult
factory if other Ingress Protection ratings are required.
For M20 threads, install conduit plugs to full thread engagement or
until mechanical resistance is met.
Note
IP69K rating only available on units with a SST housing and option
code V9 in the model string.
For aluminum housings ordered with M20 conduit entries,
transmitters shipped will have NPT threads machined into the
housing and a NPT to M20 thread adapter will be provided.
October2023 Quick Start Guide
Quick Start Guide 7
Considerations for environmental sealing listed above should be
taken into account when installing the thread adapter.
3.1.3 Inline gage transmitter orientation
The low side pressure port (atmospheric reference) on the inline
gage transmitter is located on the neck of the transmitter via a
protected gage vent (See Figure 3-2).
Keep the vent path free from obstructions including but not limited
to paint, dust, and viscous fluids by mounting the transmitter so the
process can drain away. Recommended installations have a conduit
entry facing the ground so the gage vent port is pointing parallel to
the ground.
Figure 3-2: Inline Protected Gage Vent Low Side Pressure Port
Aluminum Polished 316 SST
A
A. Low side pressure port (atmospheric reference)
3.1.4 Clamping
When installing clamp, follow recommended torque values provided
by gasket manufacturer.
Note
To maintain performance, torquing a 1.5. Tri-Clamp® beyond 50 in-lb
is not recommended on pressure ranges below 20 psi.
3.2 Setting security switch
Prerequisites
Set Simulate and Security switch configuration before installation as
shown in Figure 3-3.
Quick Start Guide October2023
8 Emerson.com/Rosemount
•The simulate switch enables or disables simulated alerts and
simulated AI Block status and values. The default simulate switch
position is enabled.
•The Security switch allows (unlocked symbol) or prevents (locked
symbol) any configuration of the transmitter.
•Default security is off (unlocked symbol).
•The security switch can be enabled or disabled in software.
Use the following procedures 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 simulate switches into the preferred
position.
4. Reattach transmitter housing cover; it is recommended the
cover be tightened until there is no gap between the cover and
housing to comply with explosion proof requirements.
3.3 Setting simulate switch
The simulate switch is located on the electronics. It is used in
conjunction with the transmitter simulate software to simulate
process variables and/or alerts and alarms. To simulate variables
and/or alerts and alarms, the simulate switch must be moved to
the enable position and the software enabled through the host. To
disable simulation, the switch must be in the disable position or the
software simulate parameter must be disabled through the host.
October2023 Quick Start Guide
Quick Start Guide 9
Figure 3-3: Transmitter Electronics Board
Aluminum Polished 316 SST
A
B
A. Simulate switch
B. Security switch
Quick Start Guide October2023
10 Emerson.com/Rosemount
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