Emerson Rosemount 3095FB MultiVariable MODBUS Manuale utente

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¢00825-0100-4738i¤

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009 Rosemount 3095FB

MODBUS®

Step 1: Mount the Transmitter

Step 2: Consider Housing Rotation

Step 3: Connect the Wiring and Power Up

Step 4: Verify Configuration

Step 5: Trim the Transmitter

Product Certifications

Rosemount 3095FB MultiVariable™Transmitter

with MODBUS®Protocol

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009

Rosemount 3095FB

registered trademarks of Rosemount Inc.

Rosemount Inc.

8200 Market Boulevard

Chanhassen, MN USA 55317

T (US) (800) 999-9307, F (952) 949-7001

T (Intnl) (952) 906-8888

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 the Rosemount 3095FB MultiVariable

Transmitter with MODBUS Protocol (reference manual document number

00809-0100-4738). It does not provide instructions for configuration, diagnostics,

maintenance, service, or troubleshooting. Refer to the appropriate reference manual for

more instruction. These manuals are also available electronically on

www.rosemount.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.

• Before connecting communications 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.

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009 Rosemount 3095FB

STEP 1: MOUNT THE TRANSMITTER

Figure 1. Using a Mounting Bracket

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.

Panel Mount(1)

(1) Panel bolts are customer supplied.

Pipe Mount

Flow

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009

Rosemount 3095FB

STEP 2: CONSIDER HOUSING ROTATION

Consider Housing Rotation

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

1. Loosen the housing rotation set screw.

2. Rotate the housing clockwise to the desired position – up to 180° from its original position.

Over rotating will damage the transmitter.

3. If the desired position is attained, tighten the housing rotation set screw.

4. If the desired position cannot be reached because the housing will not rotate further,

rotate the housing counterclockwise until in the desired position is attained (up to 180°

from its original position).

5. Tighten the housing rotation set screw.

Field Installation

1. Mount the transmitter

a.Install the flange or flange/adapter bolt finger-tight.

b.Torque bolts to initial torque value using a cross pattern (see Table 1). When

installing to a mounting bracket, torque bolts to 125 in./lb (169 N/m)

2. If security jumpers are not installed, the transmitter will operate normally with the default

security off. Verify baud rate. Default baud rate is 9600 with switch S1 and S2 in on

position. Verify AC termination, pull down (B), and pull up (A) switches; default is in the off

position.

Figure 2. Transmitter Electronics Board and Optional LCD Display

Table 1. Torque Cross Pattern

Bolt Material Initial Value Final Value

Carbon Steel (CS) 300 in./lb (34 N/m) 650 in./lb (73 N/m)

Stainless Steel (SST) 150 in./lb (17 N/m) 300 in./lb (34 N/m)

Housing Rotation Set

Screw (9/64-inch)

OFF

SECURITY

S1 S2

OFF

AC (B) (A)

OFF

Electronics

Board

Optional LCD Display

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009 Rosemount 3095FB

STEP 2 CONTINUED...

3. Connect the transmitter to the process.

4. Install the RTD Cable Assembly (optional). All RTD 3095 Cable Assemblies use the

3095 RTD Cable Connector. Identify the cable type being installed and follow the steps

below.

• Installing an Armored Shielded RTD Cable (See Figure 3)

a.Fully engage the black cable connector to the 3095 RTD connector.

b.Tighten the cable adapter until metal contacts metal.

c.Install the compression fitting.

d.Tighten the cap onto the compression fitting.

Figure 3. Armored Shielded RTD Cable

Washer

Cap

Black Cable Connector

RTD Cap

Conductive Bushing

Connect

to RTD

Compression Fitting

Cable Adapter

3/4to 1/2-14 NPT Adapter Bushing

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009

Rosemount 3095FB

STEP 2 CONTINUED...

• Installing a Shielded 3095 RTD Cable (See Figure 4)

Note: Shielded cable is intended for use in a conduit.

a.Fully engage the black cable connector to the 3095 RTD Connector.

b.Tighten the cable adapter until metal contacts metal.

Figure 4. Shielded RTD Cable

• Installing a ATEX/IECEx Flameproof 3095 RTD Cable (See Figure 5)

a.Fully engage the black cable connector to the 3095 RTD Connector.

b.Tighten the cable adapter and cable gland until metal contacts metal.

Figure 5. ATEX/IECEx Flameproof RTD Cable

5. Check all process connections for leaks.

6. Connect the appropriate wiring (see Step 5). Ground the transmitter according to

national and local electrical codes. Install field wiring grounding (optional).

Cable Adapter 1/2–14 NPT

Black Cable Connector

Black Cable Connector/ RTD Connector

Cable Adapter

Cable Gland

RTD Cable Gland CM20

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009 Rosemount 3095FB

STEP 2 CONTINUED...

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 6 illustrates common transmitter assemblies with the bolt

length required for proper transmitter assembly.

Figure 6. 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 7. If bolt material is not shown in

Figure 7, 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 7 for initial

torque value.

4. Torque the bolts to the final torque value using the same crossing pattern. See Figure 7

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)

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009

Rosemount 3095FB

STEP 2 CONTINUED...

Figure 7. Torque values for the flange and flange adapter bolts

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 the o-rings are replaced, 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

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009 Rosemount 3095FB

STEP 3: CONNECT THE WIRING AND POWER UP

Use the following steps to wire the transmitter:

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

2. Connect the lead from the positive power supply terminal to the “+” terminal

(PWR/COMM) and the lead from the negative power supply terminal to the “–” terminal.

3. Connect the transmitter to the RS-485 bus:

Connect the A lead to the “A” terminal.

Connect the B lead to the “B” terminal.

NOTE

Improper field wiring connections may damage the 3095FB. Do not connect power wiring to

the RS-485 terminals. Twisted pairs should be used for best results. Twisted pair is required

for RS-485 bus wiring. Runs under 1000 ft (305 m) should be AWG 22 or larger. Runs from

1000 to 4000 feet (305 to 1219 m) should be AWG 20 or larger. Wiring should not exceed

AWG 16.

4. Plug and seal unused conduit connections.

5. Install wiring with a drip loop. Arrange the drip loop so the bottom is lower than the

conduit connections and the transmitter housing.

Figure 8 shows wiring connections necessary to power a 3095 and enable communications.

The 3095FB requires a power supply between 7.5 - 30 Vdc. RS-485 signal wiring requires

2-wire half duplex RS-485 Modbus with 8 data bits, one stop bit, and no parity.

Figure 8. Transmitter Wiring Diagram

NOTE

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

unless the 3095 case is properly grounded. The converter cables may be connected directly

to the RS-485 bus or the transmitter terminals. Be sure to observe proper polarity.

3095FB

Converter

RS-485 Bus A

120 120 

Twisted pair required

User-Provided

Power Supply -

B RS-485

- PWR

Quick Installation Guide

00825-0100-4738, Rev BA

October 2009

Rosemount 3095FB

STEP 4: VERIFY CONFIGURATION

To verifyconfiguration, the user must first be connected to the Rosemount 3095FB using the

Rosemount FB user interface software.

3095FB User Interface Software Packages

• Part Number 03095-5130-0003: Windows User Interface Software–Single PC License,

Converter, and Cable.

• Part Number 03095-5125-0004: Windows User Interface Software–Single PC License.

• Part Number 03095-5125-0005: Windows User Interface Software– Site License.

• Part Number 03095-5106-0002: RS-485 Converter and Cable.

Verify Tag Information

1. Click Transmitter on the taskbar.

2. Click Device Info... from the drop-down menu.

3. Verify tag information.

4. Click OK to exit.

Verify Damping

1. Click Transmitter on the taskbar.

2. Click Damping... from the drop-down menu.

3. Verify damping settings for DP, SP, and PT.

4. Click OK to exit.

Verify Units of Measure

1. Click Transmitter on the taskbar.

2. Click on Units... from the drop-down menu.

3. Verify units of measure for DP, SP, and PT.

4. Click OK to exit.

Verify Sensor Range

1. Click Transmitter on the taskbar.

2. Click on Sensor Limits... from the drop-down menu.

3. Verify sensor limits.

4. Click Cancel to exit.

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