Emerson Rosemount 2051HT Bedienungsanleitung

Quick Start Guide

00825-0100-4591, Rev DB

October2023

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 October2023

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.

October2023 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 October2023

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

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

Reference

Manual

N/A

October2023 Quick Start Guide

Quick Start Guide 5

Table 2-1: Device Revisions and Files

(continued)

Identify device Find device driver

Review

instructio

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 October2023

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.

October2023 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. 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 October2023

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.

October2023 Quick Start Guide

Quick Start Guide 9

Figure 3-3: Transmitter Electronics Board

Aluminum  Polished 316 SST



A. Simulate switch

B. Security switch

Quick Start Guide October2023

10 Emerson.com/Rosemount

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