Emerson Rosemount 2051 Manuel utilisateur

www.rosemount.com

¢00825-0100-4101¤

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009 Rosemount 2051

Start

End

Step 1: Mount the Transmitter

Step 2: Consider Housing Rotation

Step 3: Set the Jumpers

Step 4: Connect the Wiring and Power

Step 5: Verify Configuration

Step 6: Trim the Transmitter

Safety Instrumented Systems

Product Certifications

Rosemount 2051 Pressure Transmitter

with 4-20 mA HART and 1-5 Vdc HART Low Power Protocol

4101_QIG_RevCA.fm Page 1 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009

Rosemount 2051

registered trademarks of Rosemount Inc.

Rosemount Inc.

8200 Market Boulevard

Chanhassen, MN USA 55317

T (US) (800) 999-9307

T (Intnl) (952) 906-8888

F (952) 949-7001

Emerson Process Management GmbH & Co.

OHG

Argelsrieder Feld 3

82234 Wessling

Germany

T 49 (8153) 9390

F49 (8153) 939172

Emerson Process Management Asia Pacific

Private Limited

1 Pandan Crescent

Singapore 128461

T (65) 6777 8211

F (65) 6777 0947/65 6777 0743

Beijing Rosemount Far East Instrument Co.,

Limited

No. 6 North Street,

Hepingli, Dong Cheng District

Beijing 100013, China

T (86) (10) 6428 2233

F (86) (10) 6422 8586

IMPORTANT NOTICE

This installation guide provides basic guidelines for Rosemount

2051 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 2051 reference manual (document number

00809-0100-4101) for more instruction. This manual is also available electronically on

www.emersonprocess.com/rosemount.

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. Please

review the approvals section of the 2051 reference manual 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/Flame-Proof installation, do not remove the transmitter covers

when power is applied to the unit.

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.

Electrical shock can result in death or serious injury.

• Avoid contact with the leads and the terminals. High voltage that may be present on

leads can cause electrical shock.

4101_QIG_RevCA.fm Page 2 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009 Rosemount 2051

STEP 1: MOUNT THE TRANSMITTER

A. Applications

Liquid Flow Applications

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.

Gas Flow Applications

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

2. Mount beside or above the taps.

Steam Flow Applications

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Fill impulse lines with water.

Flow

4101_QIG_RevCA.fm Page 3 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009

Rosemount 2051

STEP 1 CONTINUED...

B. Optional Mounting Brackets

When installing the transmitter to one of the optional mounting brackets, torque the bracket

bolts to 125 in.-lbs. (0,9 N-m). Rosemount 2051C

Panel Mount(1)

(1) Panel bolts are customer supplied.

Pipe Mount

Coplanar Flange

Traditional Flange

Rosemount 2051T

4101_QIG_RevCA.fm Page 4 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009 Rosemount 2051

STEP 1 CONTINUED...

C. 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 1 illustrates common transmitter assemblies with the bolt

length required for proper transmitter assembly.

Figure 1. Common Transmitter Assemblies

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

markings on the head of the bolt and referencing Figure 2. If bolt material is not shown in

Figure 2, contact the local Emerson Process Management representative for more

information.

Use the following bolt installation procedure:

1. 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.

2. Finger-tighten the bolts.

3. Torque the bolts to the initial torque value using a crossing pattern. See Figure 2 for initial

torque value.

4. Torque the bolts to the final torque value using the same crossing pattern. See Figure 2

for final torque value.

5. Verify that the flange bolts are protruding through the isolator plate before applying

pressure.

4 x 1.75-in. (44 mm)

4 x 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

4 x 1.75-in. (44 mm) 4 x 1.50-in. (38 mm)

4 x 1.75-in. (44 mm)

4 x 2.25-in. (57 mm)

4101_QIG_RevCA.fm Page 5 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009

Rosemount 2051

STEP 1 CONTINUED...

Figure 2. Torque values for the flange and flange adapter bolts

D. O-rings with Flange Adapters

WARNING

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.

Bolt Material Head Markings Initial Torque Final Torque

Carbon Steel (CS) 300 in.-lbs. 650 in.-lbs.

Stainless Steel (SST) 150 in.-lbs. 300 in.-lbs.

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.

B7M

316

STM

316

B8M

Rosemount 3051S / 3051 / 2051 / 3095

Rosemount 1151

Flange Adapter

O-ring

Flange Adapter

O-ring

PTFE Based

Elastomer

PTFE

Elastomer

4101_QIG_RevCA.fm Page 6 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009 Rosemount 2051

E. Inline Gage Transmitter Orientation

The low side pressure port (atmospheric reference) on the inline gage 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 3.)

Keep the vent path free of any obstruction, including but not limited to paint, dust, and

lubrication by mounting the transmitter so that the contaminants can drain away.

Figure 3. Inline Gage Transmitter

STEP 2: CONSIDER HOUSING ROTATION

To improve field access to wiring or to better view the optional LCD display:

STEP 3: SET THE JUMPERS

If alarm and security jumpers are not installed, the transmitter will operate normally with the

default alarm condition alarm high and the security off.

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. Reposition the jumper. Avoid contact with the leads and the terminals. See Figure 4 for

the location of the jumper and the ON and OFF positions.

4. Reattach the transmitter cover. The cover must be fully engaged to comply with

explosion-proof requirements.

1. Loosen the housing rotation set screw.

2. First rotate the housing clockwise to the desired location. If

the desired location cannot be achieved due to thread limit,

rotate the housing counter clockwise to the desired location

(up to 360° from thread limit).

3. Retighten the housing rotation set screw.

Low side pressure port

(atmospheric reference)

Housing Rotation Set Screw

(5/64-inch)

4101_QIG_RevCA.fm Page 7 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009

Rosemount 2051

Figure 4. 2051 Transmitter Electronics Board

4-20 mA HART

Without LCD Meter With LCD Display

1-5 Vdc HART Low Power

Without LCD Meter With LCD Display

Security

Alarm

Security

4101_QIG_RevCA.fm Page 8 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009 Rosemount 2051

STEP 4: CONNECT THE WIRING AND POWER

Use the following steps to wire the transmitter:

1. Remove the housing cover on the FIELD TERMINALS side.

2. Connect the positive lead to the “+” terminal (PWR/COMM) and the negative lead to the

“–” terminal.

Figure 5. 4–20 mA HART Transmitter Wiring Diagrams

Figure 6. 1-5 Vdc HART Low Power Transmitter Wiring

Installation of the transient protection terminal block does not provide transient protection unless the 2051

case is properly grounded.

3. Ensure proper grounding. It is important that the instrument cable shield:

• be trimmed close and insulated from touching the transmitter housing

• be connected to the next shield if cable is routed through a junction box

• be connected to a good earth ground at the power supply end

RL250

Power

Supply

Power

Supply

Voltmeter

4101_QIG_RevCA.fm Page 9 Monday, August 24, 2009 10:40 AM

Quick Installation Guide

00825-0100-4101, Rev CA

August 2009

Rosemount 2051

Figure 7. Wiring

NOTE

Do not connect the powered signal wiring to the test terminals. Power could damage the test

diode in the test connection. Shielded twisted pair cable should be used for best results. Use

24 AWG or larger wire and do not exceed 5,000 feet (1500 meters).

4. Plug and seal unused conduit connections.

5. 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.

6. Replace the housing cover.

Trim shield and insulate

Connect Shield Back

to the Power Supply

Ground

Insulate Shield

4101_QIG_RevCA.fm Page 10 Monday, August 24, 2009 10:40 AM

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