Emerson Rosemount 3051G Manuel utilisateur

Quick Start Guide

00825-0100-4057, Rev EB

July2023

Rosemount™ 3051G Pressure

Transmitter

with 4-20mA HART® Protocol (Revision

5 and 7)

NOTICE

Before installing the transmitter, confirm the correct device driver is loaded on the host

systems. See System readiness.

NOTICE

This Quick Start Guide provides basic guidelines for Rosemount 3051 transmitters. It does

not provide instructions for configuration, diagnostics, maintenance, service,

troubleshooting, explosion-proof, flameproof, or intrinsically safe (IS) installations. Refer to

the Rosemount 3051 Pressure Transmitter Manual for more information. This manual is

available electronically on Emerson.com.

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 Product

certifications 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.

WARNING

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.

WARNING

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.

WARNING

Conduit/cable entries

Unless otherwise marked, the conduit/cable entries in the housing enclosure use a ½–14 NPT

form. Only use plugs, adapters, glands, or conduit with a compatible thread form when

closing these entries.

Quick Start Guide July2023

2 Rosemount 3051G

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.

Contents

System readiness......................................................................................................................... 5

Transmitter installation...............................................................................................................6

Safety instrumented systems installation...............................................................................19

Product certifications................................................................................................................ 20

Declaration of Conformity........................................................................................................ 32

China RoHS................................................................................................................................. 36

July2023 Quick Start Guide

Quick Start Guide 3

Quick Start Guide July2023

4 Rosemount 3051G

1 System readiness

1.1 Confirm HART® revision capability

•If using HART based control or asset management systems,

please 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.

•For instructions on how to change the HART revision of your

transmitter, see Switch HART revision mode.

1.2 Confirm correct device driver

•Verify that the latest device driver (DD/DTM™) is loaded on your

systems to ensure proper communication.

•Download the latest device driver at Emerson.com or FieldComm

Group

1.2.1 Device revisions and drivers

Table 1-1 provides the information necessary to verify the correct

device driver and documentation for your device.

Table 1-1: Device revisions and files

 Identify device Find device driver Review

instruc-

tions

Review

function-

ality

Software

release

date

NAMUR

software

revision(1)

HART®

software

revision(1)

HART

universal

revision

Device

revision(2)

Manual

document

number

Changes

to soft-

ware(3)

Dec-11 1.0.0 01 7 10 00809-010

0-4007

See (3) for

list of

changes.

5 9

Jan-98 N/A 178 5 3 00809-010

0-4001

N/A

(1) The NAMUR software revision is located on the hardware tag of the device. Use a

HART-capable configuration tool to read the HART software revision.

(2) Device driver file names use device and DD revision (such as 10_01). The HART

protocol is designed to enable legacy device driver revisions to continue to

communicate with new HART devices. To access new functionality, download the

new device driver. Emerson recommends downloading new device driver files to

ensure full functionality.

(3) HART Revision 5 and 7 selectable, safety certified, local operator interface, process

alerts, scaled variable, configurable alarms, and expanded engineering units.

July2023 Quick Start Guide

Quick Start Guide 5

2 Transmitter installation

2.1 Mounting the transmitter

2.1.1 Mount the transmitter in a liquid application

Procedure

1. Place taps to the side of the line.

2. Mount the transmitter beside or below the taps.

Mount the transmitter so that the drain/vent valves are

oriented upward.

Figure 2-1: Transmitter mounted in an in-line liquid

application

2.1.2 Mount the transmitter in a gas application

Procedure

1. Place taps in the top or side of the line.

2. Mount the transmitter beside or above the taps.

Quick Start Guide July2023

6 Rosemount 3051G

Figure 2-2: Transmitter mounted in an in-line gas application

2.1.3 Mount the transmitter in a steam application

Procedure

1. Place taps to the side of the line.

2. Mount the transmitter beside or below the taps.

3. Fill impulse lines with water.

Figure 2-3: Transmitter mounted in an in-line steam application

July2023 Quick Start Guide

Quick Start Guide 7

Figure 2-4: Panel and ppe mounting

Panel mount(1) Pipe mount



(1) 1.5 / 16 × 1½ panel bolts are customer supplied.

2.2 In-line gauge transmitter orientation

The low side pressure port (atmospheric reference) on the in-line

gauge 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 2-5.

Keep the vent path free of any obstruction, including but not limited

to paint, dust, and lubrication by mounting the transmitter so that

the process can drain away.

Figure 2-5: In-line gauge low side pressure port

ALow side pressure port (atmospheric reference)

Quick Start Guide July2023

8 Rosemount 3051G

2.3 Set the switches

Set Alarm and Security switch configuration before installation as

shown in Figure 2-6.

•The Alarm switch sets the analog output alarm to high or low.

—Default alarm is High.

•The Security switch allows (unlocked symbol) or prevents (locked

symbol) any configuration of the transmitter.

—Default security is Off (unlocked symbol).

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.

WARNING

Do not remove the instrument cover in an explosive

atmosphere 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.

July2023 Quick Start Guide

Quick Start Guide 9

Figure 2-6: Transmitter electronics board

Without LCD display With LCD/local operator interface

(LOI) display



A. Alarm switch

B. Security switch

2.4 Connect the wiring and power up

Figure 2-7: Transmitter wiring diagrams (4–20 mA)

A. 24 Vdc supply

B. RL ≥ 250

C. Current meter (optional)

Use shielded twisted pair cable for best results. Use 24 AWG or larger

wire that does not exceed 5,000 feet (1500 meters) 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.

Quick Start Guide July2023

10 Rosemount 3051G

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