Emerson Rosemount 3051 Series Bedienungsanleitung

Quick Start Guide

00825-0100-4007, Rev HC

March2023

Rosemount™ 3051 Pressure

Transmitter and 3051CF Series Flow

Meter

with 4-20 mA HART®

Contents

About this guide...........................................................................................................................3

Mounting the transmitter........................................................................................................... 5

Housing rotation........................................................................................................................13

Set the switches......................................................................................................................... 14

Connect the wiring and power up........................................................................................... 15

Configuration parameters........................................................................................................ 19

Trim the transmitter.................................................................................................................. 22

Safety Instrumented Systems (SIS)..........................................................................................24

Product certifications................................................................................................................ 25

Quick Start Guide March2023

2 Emerson.com/Rosemount

1 About this guide

This guide provides basic guidelines for Rosemount 3051

Transmitters. It does not provide instructions for configuration,

diagnostics, maintenance, service, troubleshooting, Explosion-Proof,

Flame-Proof, or intrinsically safe (I.S.) installations. Refer to the

Rosemount 3051 Manual for more instructions. This guide is also

available electronically on Emerson.com/Rosemount.

1.1 Safety messages

DANGER

Explosions

Explosions could result in death or serious injury.

Before connecting a handheld communicator in an explosive

atmosphere, ensure that the instruments 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.

DANGER

Process leaks

Process leaks may cause harm or result in death.

To avoid process leaks, only use the O-ring designed to seal with

the corresponding flange adapter.

DANGER

Electrical shock

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.

March2023 Quick Start Guide

Quick Start Guide 3

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.

CAUTION

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.

Entries marked “M20” are M20 × 1.5 thread form. On devices with

multiple conduit entries, all entries will have the same thread form.

When installing in a hazardous location, use only appropriately listed

or Ex certified plugs, glands, or adapters in cable/conduit entries.

Quick Start Guide March2023

4 Emerson.com/Rosemount

2 Mounting the transmitter

NOTICE

Consider process connection and ambient temperatures when

installing the 3051 with hazardous location certifications. Process

connection temperatures above +85 °C require a limited ambient

temperature, reduced by a 1:1.5 ratio. See Table 2-1.

Table 2-1: Intrinsically safe/increased safety

Process connection temperature Maximum ambient temperature

-60 °C to +85 °C +70 °C

+85 °C to +121 °C +70 °C to +16 °C(1)

(1) Maximum ambient temperature is reduced by a ratio of 1:1.5 as process

connection temperature increased beyond +85 °C.

2.1 Mount the transmitter in a liquid flow application

Procedure

1. Place taps to the side of the line.

2. Mount the transmitter beside or below the taps.

3. Mount the transmitter so that the drain/vent valves are

oriented upward.

March2023 Quick Start Guide

Quick Start Guide 5

2.2 Mount the transmitter in a gas flow application

NOTICE

A bracket required to support the transmitter and the ¼-in. tubing

going into the transmitter.

Procedure

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

2. Mount the transmitter beside or above the taps.

Quick Start Guide March2023

6 Emerson.com/Rosemount

2.3 Steam 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.

March2023 Quick Start Guide

Quick Start Guide 7

2.4 Panel and pipe mount

Figure 2-1: Panel and Pipe Mounting

Panel mount(1) Pipe mount

Coplanar flange

Traditional flange

Rosemount 3051T

Rosemount 3051H

(1) 5/16 x 1½ panel bolts are customer supplied.

Quick Start Guide March2023

8 Emerson.com/Rosemount

2.5 Bolting considerations

If the transmitter installation requires assembly of the process

flanges, manifolds, or flange adapters, follow these assembly

guidelines to ensure a tight seal for optimal performance

characteristics of the transmitters. Use only bolts supplied with the

transmitter or sold by Emerson as spare parts. Figure 2-2 illustrates

common transmitter assemblies with the bolt length required for

proper transmitter assembly.

Figure 2-2: Common Transmitter Assemblies

4 × 1.75-in.

(44 mm)

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

4 ×1.75-in.

(44 mm) 4 ×1.50-in.

(38 mm)

4 × 2.88-in.

(73 mm)

A. Transmitter with coplanar flange

B. Transmitter with coplanar flange and optional flange adapters

C. Transmitter with traditional flange and optional flange adapters

D. Transmitter with coplanar flange and optional manifold and

flange adapters

Bolts are typically carbon steel or stainless steel. Confirm the material

by viewing the markings on the head of the bolt and referencing

Table 2-2. If bolt material is not shown in Table 2-2, contact the local

Emerson representative for more information.

2.5.1 Bolt installation

Note

Carbon steel bolts do not require lubrication and the stainless steel

bolts are coated with a lubricant to ease installation. However, no

additional lubricant should be applied when installing either type of

bolt.

March2023 Quick Start Guide

Quick Start Guide 9

Procedure

1. Finger-tighten the bolts.

2. Torque the bolts to the initial torque value using a crossing

pattern (see Table 2-2 for torque values).

3. Torque the bolts to the final torque value using the same

crossing pattern (see Table 2-2 for torque values).

4. Verify that the flange bolts are protruding through the isolator

plate before applying pressure.

Table 2-2: Torque Values for the Flange and Flange Adapter

Bolts

Bolt

material

Head markings Initial

torque

Final

torque

Carbon

Steel (CS)

B7M

 300 in-lb 650 in-lb

Stainless

Steel (SST)

316

STM

316

B8M



150 in-lb 300 in-lb

Quick Start Guide March2023

10 Emerson.com/Rosemount

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