Emerson Rosemount 3051 Bedienungsanleitung

Quick Start Guide

00825-0100-4001, Rev LA

March 2020

Rosemount™ 3051 Pressure Transmitter

and 3051CF Series Flow Meter

with 4-20 mA HART® and 1-5 Vdc Low

Power Protocol

Contents

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

Mount the transmitter..................................................................................................................5

Housing rotation........................................................................................................................ 12

Set the jumpers..........................................................................................................................13

Connect the wiring and power up...............................................................................................14

Verify configuration................................................................................................................... 18

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

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

Product certifications................................................................................................................. 28

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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 Reference Manual for more

instructions. This guide is also available electronically on Emerson.com/

Rosemount.

1.1 Safety messages

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

on the host systems.

Procedures and instructions in this section may require special precautions

to ensure the safety of the personnel performing the operations.

WARNING

Explosions

Explosions could result in death or serious injury.

Installation of this transmitter in an explosive environment must be in

accordance with the local, national, and international standards, codes,

and practices.

Before connecting a handheld communicator in an explosive

atmosphere, ensure 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 unit.

Process leaks

Process leaks could result in death or serious injury.Process leaks may cause

harm or result in death.Process leaks may cause harm or result in death.

Install and tighten process connectors before applying pressure.

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

corresponding flange adapter.

Electrical shock

Electrical shock could cause death or serious injury.Electrical shock can result

in death or serious injury.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 2020 Quick Start Guide

Quick Start Guide 3

WARNING

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.

When installing in a hazardous location, use only appropriately listed or Ex

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

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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4 Emerson.com/Rosemount

2 Mount the transmitter

2.1 Liquid flow applications

Procedure

1. Place taps to the side of the line.

2. Mount beside or below the taps.

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

upward.

2.2 Gas flow applications

Procedure

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

2. Mount beside or above the taps.

Note

Bracket required to support the transmitter and the ¼-in. tubing

going into the transmitter.

March 2020 Quick Start Guide

Quick Start Guide 5

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.

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6 Emerson.com/Rosemount

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.

March 2020 Quick Start Guide

Quick Start Guide 7

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 2-1 If

bolt material is not shown in Table 2-1, 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.

Procedure

1. Finger-tighten the bolts.

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8 Emerson.com/Rosemount

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

(see Table 2-1 for torque values).

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

pattern (see Table 2-1 for torque values).

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

before applying pressure.

Table 2-1: 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

March 2020 Quick Start Guide

Quick Start Guide 9

2.6 O-rings with flange adapters

WARNING

Failure to install proper flange adapter O-rings may cause process leaks,

which can result in death or serious injury. The two flange adapters are

distinguished by unique O-ring grooves. Only use the O-ring that is designed

for its specific flange adapter, as shown below.

Figure 2-3: O-ring Location

Rosemount 3051S/3051/2051

A. Flange adapter

B. O-ring

C. PFTE-based profile (square)

D. Elastomer profile (round)

Whenever the flanges or adapters are removed, visually inspect the O-rings.

Replace them if there are any signs of damage, such as nicks or cuts. If you

replace the O-rings, re-torque the flange bolts and alignment screws after

installation to compensate for seating of the PTFE O-ring.

2.7 Environmental seal for housing

For NEMA® 4X, IP66, and IP68 requirements, use thread sealing (PTFE) tape

or paste on male threads of conduit to provide a water and dust tight seal.

Consult factory if other ingress protection ratings are required.

Always ensure a proper seal by installing the electronics housing cover(s) so

that metal contacts metal. Use Rosemount O-rings.

For M20 threads, install conduit plugs to full thread engagement or until

mechanical resistance is met.

Quick Start Guide March 2020

10 Emerson.com/Rosemount

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