Emerson Rosemount 4088B MultiVariable Manuel utilisateur

Quick Start Guide

00825-0200-4088, Rev BA

November 2014

Rosemount 4088B MultiVariable™Transmitter

with BSAP/MVS Protocols

November 2014

Quick Start Guide

Procedures and instructions in this section may require special precautions to

ensure the safety of the personnel performing the operation. Information that

raises potential safety issues is indicated with a warning symbol ( ). Refer to the

following safety messages before performing an operation preceded by this

symbol.

NOTICE

This installation guide provides basic guidelines for the Rosemount 4088 MultiVariable

Transmitter (reference manual document number 00809-0100-4088). It does not provide

instructions for diagnostics, maintenance, service, or troubleshooting. Refer to the 4088

MultiVariable Transmitter Reference Manual for more instruction. All documents are available

electronically at www.emersonprocess.com/rosemount.

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 the

approvals section of the 4088 MultiVariable Transmitter Reference Manual (00809-0100-4088)

for any restrictions associated with a safe installation.

Before connecting any instruments in an explosive atmosphere, ensure any 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 may cause harm or result in death.

Install and tighten process connectors before applying pressure.

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.

Conduit/cable entries

Unless marked, the conduit/cable entries in the transmitter housing use a 1/2-14 NPT thread

form. Entries marked "M20" are M20 x 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,

adapters, or glands in cable/conduit entries.

Contents

Steps required for quick installation page 3

Mount the transmitter . . . . . . . . . . page 4

Consider housing rotation . . . . . . . page 8

Set the switches . . . . . . . . . . . . . . . . page 9

Wiring and power up . . . . . . . . . . . .page 9

Verify device configuration . . . . . page 15

Trim the transmitter . . . . . . . . . . . page 16

Product Certifications . . . . . . . . . . page 17

Quick Start Guide

November 2014

Steps required for quick installation

Start >

Mount the transmitter

Consider housing rotation

Set the switches

Wiring and power up

Verify device configuration

Trim the transmitter

> Finish

November 2014

Quick Start Guide

Step 1: Mount the transmitter

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.

Quick Start Guide

November 2014

Mounting brackets

Bolting considerations

If the transmitter installation requires assembly of a process flange, manifold, or

flange adapters, follow these assembly guidelines to ensure a tight seal for

optimal performance characteristics of the transmitter. Only use bolts supplied

with the transmitter or sold by Emerson Process Management as spare parts.

Figure 1 illustrates common transmitter assemblies with the bolt length required

for proper transmitter assembly.

Coplanar flange

Traditional flange

In-Line

Panel mount

Pipe mount

Panel mount Pipe mount

November 2014

Quick Start Guide

Figure 1. Common Transmitter Assemblies

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 Rosemount Conventional Manifold and

flange adapters

Note

For all other manifolds, contact Rosemount Customer Central technical support or the local

Emerson Process Management representative.

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 the flange bolts are protruding through the sensor module before

applying pressure (see Figure 3).

4 x 1.75-in. (44 mm)

4 x 2.88-in. (73 mm)

A B

4 x 1.75-in. (44 mm)

4 x 1.50-in. (38 mm)

4 x 2.25-in. (57 mm)

4 x 1.75-in. (44 mm)

Quick Start Guide

November 2014

Figure 2. Torque Values for the Flange and Flange Adapter Bolts

Figure 3. Proper Bolt Installation

A. Bolt

B. Sensor module

O-rings with flange adapters

Whenever the flange 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 O-rings.

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. Only use the O-ring that is

designed for its specific flange adapter.

A. Flange adapter

B. O-ring

C. PTFE based profile is square

D. Elastomer profile is round

B7M

316

STM

316

B8M

November 2014

Quick Start Guide

In-Line gage transmitter orientation

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

transmitter is located under the sensor module neck label (see Figure 4).

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

dust, and lubrication by mounting the transmitter so that any contaminants can

drain away.

Figure 4. In-Line Gage Transmitter

A. Low side pressure port (under neck label)

Step 2: Consider housing rotation

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

1. Loosen the housing rotation set screw.

2. Turn the housing up to 180° left or right of its original (as shipped) position.

3. Re-tighten the housing rotation set screw.

Figure 5. Transmitter Housing Set Screw

A. LCD display

B. Housing rotation set screw (3/32-in.)

Note

Do not rotate the housing more than 180° without first performing a disassembly procedure (refer

to the Rosemount 4088 MultiVariable Transmitter Reference Manual [00809-0100-4088] for more

information). Over-rotation may sever the electrical connection between the sensor module and

the electronics.

Quick Start Guide

November 2014

Step 3: Set the switches

The transmitter’s default configuration for the AC Termination is in the off

position. The transmitter’s default configuration for the security switch is in the

off position.

1. If the transmitter is installed, secure the bus and remove power.

2. Remove the housing cover opposite the field terminals side. Do not remove

the housing cover in explosive environments.

3. Slide the security and AC Termination switches into the preferred position by

using a small screwdriver. Note that the security switch will need to be in the

off position in order to make any configuration changes.

4. Reinstall the housing cover and tighten so that the cover is fully seated with

metal to metal contact between the housing and cover in order to meet

explosion proof requirements.

Figure 6. Transmitter Switch Configuration

A. Security

B. AC termination

Step 4: Wiring and power up

Use the following steps to wire the transmitter:

1. Remove the cover on the field terminals side of the housing.

2. Set up based on optional process temperature input.

a. If the optional process temperature input is being utilized, follow the

procedure “Install optional process temperature input (PT 100 RTD sensor)”

on page 14.

b. If there will not be an optional temperature input, plug and seal the unused

conduit connection.

3. Connect the positive lead from the power source to the “PWR +” terminal, and

the negative lead to the “PWR –” terminal.

4. Connect the transmitter to the RS-485 bus as shown in Figure 7.

a. Connect the A lead to the “A” terminal.

b. Connect the B lead to the “B” terminal.

Note

The Rosemount 4088 MultiVariable Transmitter uses RS-485 Modbus®with 8 data bits, one stop

bit and no parity. The default baud rate is 9600.

November 2014

Quick Start Guide

Note

Twisted pair wiring is required for RS-485 bus wiring. Wiring runs under 1000 ft (305 m) should be

AWG 22 or larger. Wiring runs from 1000 to 4000 feet (305 to 1219 m) should be AWG 20 or

larger. Wiring should not exceed AWG 16.

5. Reinstall the housing cover and tighten so that the cover is fully seated with

metal to metal contact between the housing and cover in order to meet

explosion proof requirements.

Figure 7 and Figure 8 show the wiring connections necessary to power a

Rosemount 4088 MultiVariable Transmitter and enable communications with

OpenEnterprise Field Tools.

Transmitter wiring and configuration tool connection

Figure 7. Rosemount 4088 MultiVariable Wiring for RS-485 Bus

A. RS-485 (A)

B. RS-485 (B)

C. RS-485 bus, twisted pair required

D. Bus Termination: AC Termination on 4088 (see “Set the switches” on page 9) or

120 resistor

E. User-provided power supply

NOTICE

When the enclosed threaded plug is utilized in the conduit opening, it must be installed with a

minimum engagement of five threads in order to comply with explosion-proof requirements.

Refer to the Rosemount 4088 MultiVariable Transmitter reference manual (document number

00809-0100-4088) for more information.

Note

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

the Rosemount 4088 MultiVariable Transmitter housing is properly grounded.

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