Rosemount 4088 MultiVariable Transmitter Manuals & Guides

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Reference Manual

00809-0100-4088, Rev DB

April 2018

Rosemount™ 4088 MultiVariable™ Transmitter

Reference Manual

00809-0100-4088, Rev DB

Section Title

April 2018

Reference Manual

00809-0100-4088, Rev DB

Contents

1Section 1: Introduction

2Section 2: Configuration

Contents

April 2018

1.1 Using this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1.1 Models covered. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Product recycling/disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2.1 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Software installation and initial setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.1 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.2 RTIS part numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.3 Installing the RTIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.4 Getting started with RTIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.5 Connecting to a personal computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3 Launching the configuration process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Basic device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4.1 Units of measure and damping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4.2 Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.5 Detailed device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.5.1 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.5.2 Device information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.5.3 Overview variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.5.4 Alert setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.6 Variable configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.6.1 Differential pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.6.2 Static pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.6.3 Process temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.6.4 Module temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.7 Menu trees and Field Communicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.7.1 Rosemount 4088A menu tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.7.2 Rosemount 4088B menu tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.7.3 Field Communicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

2.8 Rosemount 4088A configuration with legacy tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Contents

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Contents

April 2018

Reference Manual

00809-0100-4088, Rev DB

3Section 3: Installation

3.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.2 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.3 Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.3.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.3.2 Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.3.3 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.4 Steps required for quick installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.4.1 Mount the transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.4.2 Consider housing rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.4.3 Set the switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.4.4 Wiring and power up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.4.5 Verify device configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

3.4.6 Trim the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

3.5 Rosemount 305, 306, and 304 Manifolds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

3.5.1 Rosemount 305 Integral Manifold installation procedure . . . . . . . . . . . . . . . . . . . . . . . . 49

3.5.2 Rosemount 306 In-line Manifold installation procedure. . . . . . . . . . . . . . . . . . . . . . . . . . 50

3.5.3 Rosemount 304 Conventional Manifold installation procedure . . . . . . . . . . . . . . . . . . . 50

3.5.4 Rosemount 305 and 304 Manifold styles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

3.5.5 Manifold operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4Section 4: Communication

4.1 Rosemount 4088A Modbus communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4.1.1 Modbus communication overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4.1.2 Modbus data types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

4.1.3 Modbus function codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

4.1.4 Registers for process variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

4.1.5 Process variable integer scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

4.1.6 Floating point formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4.1.7 Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

4.1.8 Implementing calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

4.1.9 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4.1.10 Transmitter register maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4.2 Rosemount 4088B ROC communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

4.3 Rosemount 4088B BSAP communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

4.3.1 Rosemount 4088B BSAP communications signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Contents

Reference Manual

00809-0100-4088, Rev DB

5Section 5: Operation and Maintenance

6Section 6: Troubleshooting

Contents

April 2018

5.1 Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

5.1.1 Sensor trim overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

5.1.2 Differential pressure sensor calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

5.1.3 Static pressure sensor calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

5.1.4 Process temperature sensor calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

5.1.5 Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

5.1.6 Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

5.1.7 Legacy calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

5.2 Simulate device variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

6.2 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

6.3 Communications troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

6.4 Alarms and conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

6.5 Field upgrades and replacements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.5.1 Disassembly considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.5.2 Housing assembly including electronics board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.5.3 Terminal block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

6.5.4 LCD display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

6.5.5 Flange and drain vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

6.6 Service support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

AAppendix A: Reference Data

A.1 Product Certifications and Installation Drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

A.2 Ordering Information, Specifications, and Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . 123

A.3 Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Contents

April 2018

Reference Manual

00809-0100-4088, Rev DB

Contents

Reference Manual

NOTICE

00809-0100-4088, Rev DB

Rosemount™ 4088 MultiVariable™ Transmitter

Read this manual before working with the product. For personal and system safety, and for optimum product performance, make sure the contents are fully understood before installing, using, or maintaining this product.

For technical assistance, contacts are listed below:

Customer Central Technical support, quoting, and order-related questions

United States - 1-800-999-9307 (7:00 am to 7:00 pm CST)

Asia Pacific- 65 777 8211

Europe/Middle East/Africa - 49 (8153) 9390

North American Response Center Equipment service needs

1-800-654-7768 (24 hours—includes Canada)

Outside of these areas, contact your local Emerson

™

representative.

Title Page

April 2018

To view current Rosemount 4088 Product Certifications and EC Declarations of Conformity, follow these steps:

1. Go to Emerson.com/Rosemount/4088

2. Scroll as needed to the green menu bar and click Documents & Drawings.

3. Click Certificates & Approvals.

The manual and this guide are also available electronically on Emerson.com/Rosemount

Title Page

vii

Title Page

April 2018

Reference Manual

00809-0100-4088, Rev DB

Failure to follow these installation guidelines could result in death or serious injury.

Make sure only qualified personnel perform the installation.

Explosions could result in death or serious injury.

 Do not remove the transmitter cover in explosive atmospheres when the circuit is live.  Before connecting a 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.

 Both transmitter covers must be fully engaged to meet explosion-proof requirements.  Verify the operating atmosphere of the transmitter is consistent with the appropriate hazardous

locations certifications.

Electrical shock could cause death or serious injury.

 If the sensor is installed in a high-voltage environment and a fault or installation error occurs, high

voltage may be present on the transmitter leads and terminals.

 Use extreme caution when making contact with the leads and terminals.

Process leaks could result in death or serious injury.

 Install and tighten all four flange bolts before applying pressure.  Do not attempt to loosen or remove flange bolts while the transmitter is in service.  Replacement equipment or spare parts not approved by Emerson for use as spare parts could reduce

the pressure retaining capabilities of the transmitter and may render the instrument dangerous.

 Use only bolts supplied or sold by Emerson as spare parts.

Improper assembly of manifolds to traditional flange can damage sensor module.

For safe assembly of manifold to traditional flange, bolts must break back plane of flange web (i.e., bolt hole) but must not contact module housing.

Sensor module and electronics housing must have equivalent approval labeling in order to maintain hazardous location approvals.

When upgrading, verify sensor module and electronics housing certifications are equivalent. Differences in temperature class ratings may exist, in which case the complete assembly takes the lowest of the individual component temperature classes (for example, a T4/T5 rated electronics housing assembled to a T4 rated sensor module is a T4 rated transmitter.)

viii

The products described in this document are NOT designed for nuclear-qualified applications. Using non-nuclear qualified products in applications that require nuclear-qualified hardware or products may cause inaccurate readings.

For information on Rosemount nuclear-qualified products, contact your local Emerson Sales Representative.

Individuals who handle products exposed to a hazardous substance can avoid injury if they are informed of and understand the hazard. If the product being returned was exposed to a hazardous substance as defined by OSHA, a copy of the required Material Safety Data Sheet (MSDS) for each hazardous substance identified must be included with the returned goods.

Title Page

Reference Manual

00809-0100-4088, Rev DB

Section 1 Introduction

1.1 Using this manual

The sections in this manual provide information on installing, operating, and maintaining the Rosemount

 Section 2: Configuration contains mechanical and electrical installation instructions.

 Section 3: Installation provides details about the communication protocols supported by the

transmitter.

 Section 4: Communication contains information on software functions, configuration parameters,

and online variables.

 Section 5: Operation and Maintenance provides techniques for calibrating the transmitter.

 Section 6: Troubleshooting contains troubleshooting techniques for the most common operating

problems.

 Appendix A: Reference Data provides links to product certifications, installation drawings, ordering

information, specifications, and dimensional drawings.

™

4088 MultiVariable™ Transmitter. The sections are organized as follows:

Introduction

April 2018

1.1.1 Models covered

The following Rosemount 4088 Transmitters are covered in this manual.

Table 1-1. Rosemount 4088 Coplanar

Measurement type Description

1 Differential pressure, static pressure, temperature

2 Differential pressure and static pressure

3 Differential pressure and temperature

4 Differential pressure

5 Static pressure and temperature

7 Static pressure

Table 1-2. Rosemount 4088 In-line Transmitter

Measurement type Description

6 Static pressure and temperature

8 Static pressure

™

Transmitter

1.2 Product recycling/disposal

Introduction

Recycling of equipment and packaging should be taken into consideration and disposed of in accordance with local and national legislation/regulations.

Introduction

April 2018

Reference Manual

00809-0100-4088, Rev DB

Introduction

Reference Manual

00809-0100-4088, Rev DB

Section 2 Configuration

Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3

Software installation and initial setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4

Launching the configuration process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 8

Basic device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 10

Detailed device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 12

Variable configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 16

Menu trees and Field Communicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 20

Rosemount 4088A configuration with legacy tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 34

Configuration

April 2018

The Rosemount configuration and maintenance functions for the Rosemount 4088 MultiVariable

Instructions for performing configuration functions are given for the RTIS. Field Communicator Fast Key sequences are labeled “Field Communicator” for each software function below the appropriate headings.

Note

Coplanar transmitter configurations measuring gage pressure with optional process temperature (measurement type 5 and 7) will report the pressure as differential pressure. This will be reflected on the LCD display nameplate, digital interfaces, and other user interfaces.

™

Transmitter Interface Software (RTIS) is a PC-based application that performs

2.1 Safety messages

Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations. Refer to the following safety messages before performing an operation.

Failure to follow these installation guidelines could result in death or serious injury.

Make sure only qualified personnel perform the installation.

Explosions could result in death or serious injury.

 Do not remove the transmitter cover in explosive atmospheres when the circuit is live.  Verify the operating atmosphere of the transmitter is consistent with the appropriate hazardous

locations certifications.

 Both transmitter covers must be fully engaged to meet explosion-proof requirements.

Electrical shock could cause death or serious injury.

 If the sensor is installed in a high-voltage environment and a fault or installation error occurs, high

voltage may be present on the transmitter leads and terminals.

 Use extreme caution when making contact with the leads and terminals.

™

Transmitter.

Config uration

Configuration

April 2018

2.2 Software installation and initial setup

2.2.1 System requirements

The following are the minimum system requirements to install the RTIS:

 Microsoft

Recommended hardware driver for USB modem option

 MACTek

2.2.2 RTIS part numbers

The Rosemount 4088 MultiVariable Transmitter is not shipped with RTIS; the RTIS can be ordered separately using the part numbers below.

RTIS CD only: 04088-9000-0001

RTIS CD with HART

2.2.3 Installing the RTIS

Windows™ 7 Operating System (32- bit or 64-bit)

VIATOR® Modem Driver (included)

USB modem and cables: 04088-9000-0002

Reference Manual

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Multiple DTMs™ are available on the RTIS, however the following FDT® frame and DTMs are required for this installation:

 RTIS  Rosemount HART Comm DTM (Communications driver)  Rosemount 4088 Device DTM (Rosemount 4088 User interface Configuration application)

1. Right click the setup.exe file and select Run as administrator.

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2. Follow the installation wizard. Select all desired DTMs (the first three are required).

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Note

The MACTek modem install will also be automatically selected to run. If the MACTek VIATOR Utility is already installed, this install will allow you to repair or update. For each additional DTM selected, you will be prompted for individual installation options. Once installation has started, the next prompt would be for any optionally-selected HART Device DTMs.

3. Run a complete installation for the HART Modem driver and each additional selected DTM.

This completes the installation.

2.2.4 Getting started with RTIS

1. Ensure the modem is connected.

2. Launch RTIS from the desktop or All Programs menu option.

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3. Right click My Network, and then select Add....

4. Select Rosemount HART CommDTM for Device Type and select OK.

5. Under MyNetwork, right click Rosemount HART CommDTM, then select Configuration.

6. Select the correct COM Port.

7. Select the Access Mode dropdown and set to Emulated.

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8. Select Self Test to check the connection.

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9. Select OK.

2.2.5 Connecting to a personal computer

Figure 2-1 shows how to connect a device to either a computer with the RTIS or a handheld

communicator.

Figure 2-1. Connecting a Personal Computer to a Transmitter

A. RTIS B. HART modem

C. Field Communicator D. User-provided power supply

Config uration

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1. Wire the device as detailed in Section 3: Installation.

2. Connect the MACTek HART modem to the correct USB communications port on the PC as set up in

“Getting started with RTIS” on page 5.

3. Remove the cover of the transmitter above the side marked “FIELD TERMINALS.”

4. Connect the mini-grabber connectors to the “LOCAL (HART)” terminals.

Explosions can cause death or serious injury.

Do not remove the instrument cover in explosive atmospheres when the circuit is live.

2.3 Launching the configuration process

This section outlines how to configure the transmitter using the RTIS.

1. Right click Rosemount HART CommDTM, select Scan, then select Create Network.

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The DTM setup is complete.

2. Right click on the transmitter, then select Go Online. Your device is now online.

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3. Right click on the transmitter again, select Parameterize Online, then select Configure/Setup.

Config uration

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2.4 Basic device configuration

The Guided Setup section provides procedures to commission the transmitter. The Basic Setup button can be used to perform all of the required transmitter configuration. See Table 2-2 on page 33 for the complete list of Field Communicator for basic setup.

Figure 2-2. Guided Setup Tab

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All screens in this section are shown for measurement type 1 (differential pressure, static pressure [absolute], and process temperature) with LCD display. Field Communicator are given for a transmitter with Measurement type 1. Field Communicator and screens for other multivariable types and measurement types may vary.

Note

All screens in this section are shown using the RTIS. Edited information is not sent to the transmitter until the Send button is selected.

2.4.1 Units of measure and damping

Fast Keys

The damping command changes the response time of the transmitter; higher values can smooth variations in output readings caused by rapid input changes. Determine the appropriate damping setting based on the necessary response time, signal stability, and other requirements. The damping command utilizes floating point configuration allowing the user to input any damping value between 0 and 60 seconds.

The units and damping for each process variable may be edited by selecting Manual Setup in the menu tree and then the appropriate tab as detailed below:

 Under the Differential Pressure tab, the Units and Damping for the Differential Pressure may be edited.  Under the Static Pressure tab, the Units and Damping for the Static Pressure may be edited.

Units: 2, 1, 1, 2 Damping: 2, 1, 1, 3

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Note

Both absolute and gage pressure are available as variables. The type of transmitter ordered will determine which variable is measured and which is calculated based on the user defined atmospheric pressure. For more information on configuring the atmospheric pressure, see “Static pressure” on

page 16. Since only one of the static pressures is actually being measured, there is a single damping

setting for both variables which may be edited under the Static Pressure tab.

 Under the Process Temperature tab, the Units and Damping for the Process Temperature may be edited.  Under the Module Temperature tab, the Units for the Module Temperature may be set. The sensor

module temperature measurement is taken within the module, near the differential pressure and/or static pressure sensors and can be used to control heat tracing or diagnose device overheating.

2.4.2 Network

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Fast Keys

2, 2, 6, 1

Device address

In the Network tab, the Device Address field can be used to set the device's address under the Modbus® Configuration heading.

Figure 2-3. Network Tab

Config uration

Baud rates

The baud rate is user selectable under the Modbus Configuration heading.

For default and available baud rates, see “Baud rate (software configurable)” on page 57.

Turn around delay

The Turnaround Delay Time (ms) field can be used to configure the device’s turnaround delay time. For more information, reference “Communications” on page 62.

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2.5 Detailed device configuration

2.5.1 Display

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Fast Keys

The LCD display features a four-line display. The first line of five characters displays the output description, the second line of seven digits displays the actual value, and the third line of six characters displays engineering units. The fourth line displays “Error” when there is a problem detected within the transmitter. The LCD display can also display diagnostic messages. These diagnostic messages are listed in “Alarms and conditions” on page 115.

The Display tab allows the user to configure which variables will be shown on the LCD display. Click the check box next to each variable to select a variable for display. The transmitter will scroll through the selected variables, showing each for three seconds as a default setting.

Figure 2-4. Display Tab

2, 2, 5

The Display tab includes three types of display options (information that appears on the LCD display) including Device Variables, User-Defined Parameters, or User-Defined Variables.

Device variables

The device variables include Differential Pressure, Absolute Temperature, Gage Pressure, Process Temperature, Module Temperature, Device Address or Baud Rate. These display variables can be selected or deselected on the left column of the Display Options heading.

User-defined parameters

The User-Defined Parameters fields are for pieces of information the device can store for reference. The device will not modify or update these parameters but they can be written by the user or a host system to be displayed on the LCD display and include Beta Ratio, Pipe Schedule, or Orifice Bore. If the device loses power at any point during operation, these values are stored in memory and will not be lost.

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To configure User-Defined Parameters, select Configure User-Defined Parameters. A screen will appear as shown below:

Each parameter can be given a label, value and unit to be stored inside the device.

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User-defined variables

Note

Only the value of the user-defined variables should be written on a periodic basis. Regular writes to the other parameters may cause the device memory to fail.

The User-Defined Variable fields are for pieces of information that the device can store for a live reference of the application status or production levels, via Modbus. The device itself will not modify or update these variables; rather this is intended to be a live value sent to the device from a host, such as a flow computer or Remote Terminal Unit (RTU). This information can then be displayed on the device's LCD display and include variables such as Last 24-Hours of Gas Volume or Instantaneous Flow Rate.

To configure User-Defined Variables, select Configure User-Defined Variables. A screen will appear as shown below:

Config uration

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Similar to the User-Defined Parameters screen, you can input a label and unit for each variable, however the value will be written by the flow computer or host. The user must program the flow computer or host separately to write the value to the device. If the device loses power at any point during operation, the value will be lost, but the Label and Units will not be lost.

Note

If the transmitter is ordered without an LCD display, the User-Defined Parameters and User-Defined Variables are still available but are configured through the User-Defined Data tab in Manual Setup rather than accessing them through the Display tab.

LCD display scroll time

The LCD display scroll time controls the amount of time each variable is displayed on the LCD display.

2.5.2 Device information

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Fast Keys

The Device Information tab displays the device identification information on one screen including tags, model numbers and assembly information.

Figure 2-5. Device Information Tab

2, 2, 7

2.5.3 Overview variables

Fast Keys

The Overview Variables tab allows the user to set which variables are displayed on the RTIS Overview screen.

2, 2, 8

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Figure 2-6. Overview Variables Tab

2.5.4 Alert setup

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Fast Keys

The Alert Configuration tab is found under the Alert Setup menu of the device’s configuration menu. From this tab, the user can configure upper and lower alert levels for each of the measured variables. This includes the Differential Pressure, Static Pressure (Absolute or Gage), Module Temperature, or Process Tem p er at ur e.

Figure 2-7. Alert Configuration Tab

2, 3

Config uration

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2.6 Variable configuration

2.6.1 Differential pressure

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Fast Keys

Note

For Differential pressure sensor calibration , see page 106.

Figure 2-8. Differential Pressure Tab

2, 2, 1

1. Under the Setup heading, edit the Units, Damping, and Low DP Cutoff as needed.

2. Under the Reading heading, view the Differential Pressure and status.

3. Under the Sensor Limits heading, view the Upper, Lower, and Minimum Span.

2.6.2 Static pressure

Fast Keys

Note

For Static pressure sensor calibration , see page 109.

2, 2, 2

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Figure 2-9. Static Pressure Tab

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1. Under the Sensor Type heading, view whether the sensor is an Absolute Pressure Sensor or a Gage Pressure Sensor.

2. Under the Setup heading for Static Pressure, edit the Units, Damping, and User-Defined Atmospheric Pressure as needed.

3. Under the Absolute Pressure Setup and Gage Pressure Setup heading, view the Pressure, Status, Upper, Lower, and Minimum Span for both Absolute and Gage Pressure respectively.

2.6.3 Process temperature

Fast Keys

Note

For Process temperature sensor calibration , see page 109.

2, 2, 3

Config uration

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Figure 2-10. Process Temperature Tab

1. Under the Setup heading for Process Temperature, edit the Units, Damping, and Sensor Type as needed.

Note

The Rosemount 4088 accepts either a 3-wire or 4-wire RTD sensor, which can be selected under Sensor Type. Ensure the type of sensor being used is selected or an RTD Sensor Type Mismatch will occur. For more information about wiring the RTD, see “Install optional process temperature input (Pt 100 RTD

Sensor)” on page 47.

2. Under the Reading heading, view the Process Temperature and status.

3. Select the Tem per at ur e Mode under the Mode Setup heading. See Ta bl e 2 -1 for mode types and descriptions.

Table 2-1. Temperature Modes

Temperature mode Description

Normal

Backup

Fixed

The transmitter will only use the actual measured Process Temperature value. If the temperature sensor fails, the transmitter process temperature will be NAN (not a number).

The transmitter will use the actual measured Process Temperature value. If the temperature sensor fails, the transmitter will use the value shown in the Fixed/Backup Tem pera ture field.

The transmitter will always use the temperature value shown in the Fixed/Backup Tem pera ture field.

The Rosemount 4088 accepts Callendar-Van Dusen constants from a calibrated RTD schedule and generates a special custom curve to match that specific sensor resistance vs. temperature performance.

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Matching the specific sensor curve with the transmitter configuration enhances the temperature measurement accuracy.

4. Under the Sensor Matching heading, view the Callendar-Van Dusen constants R0, A, B, and C. If the Callendar-Van Dusen constants are known for the user’s specific Pt 100 RTD sensor, the constants R0, A, B, and C may be edited by selecting the Callendar-Van Dusen Setup button and following the on-screen prompts.

The user may also view the α, β, and d coefficients by selecting the View Alpha, Beta, Delta button. The constants R0, α, β, and d may be edited by selecting the Callendar-Van Dusen Setup button and following the on-screen prompts. To reset the transmitter to the IEC 751 Defaults, select the Reset to IEC 751 Defaults button.

5. Under the Process Temperature Sensor Limits heading, view and edit the Upper and Lower Sensor Limits. Process Temperature Sensor Limits allow for early detection of RTD failures or abnormal process conditions.

2.6.4 Module temperature

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Fast Keys

The sensor module temperature variable is the measured temperature of the sensors and electronics within the sensor module assembly. The module temperature value can be used to control heat tracing or diagnose device overheating.

Figure 2-11. Module Temperature Tab

2, 2, 4

Config uration

1. Under the Setup heading, edit the Units as needed.

2. Under the Reading heading, view the Module Temperature and status.

3. After the Sensor Limits heading, view the Upper and Lower Module Temperature Limits.

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2.7 Menu trees and Field Communicator

Based on the configuration ordered, some measurements (i.e. static pressure, process temperature) may not be available. Available measurements are determined by the Multivariable Type and Measurement Type codes ordered. See ordering information in the Product Data Sheet for more information.

The menu trees and Field Communicator in this section are shown for the following model code:

Measurement type 1 (differential pressure, static pressure [absolute], process temperature) with LCD display

The menu trees and Field Communicator for other model codes will vary.

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2.7.1 Rosemount 4088A menu tree

Figure 2-12. Overview

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Config uration

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Figure 2-13. Configure – Guided Setup

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Figure 2-14. Configure – Manual Setup

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Figure 2-15. Configure – Manual Setup (Continued)

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Figure 2-16. Service Tools

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Config uration

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Figure 2-17. Service Tools (continued)

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2.7.2 Rosemount 4088B menu tree

Figure 2-18. Overview

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Config uration

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Figure 2-19. Configure – Guided Setup

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Figure 2-20. Configure – Manual Setup

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Figure 2-21. Configure – Manual Setup (Continued)

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Figure 2-22. Service Tools

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Figure 2-23. Service Tools (Continued)

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2.7.3 Field Communicator

A check () indicates the basic configuration parameters. At a minimum, these parameters should be verified as part of the configuration and startup procedure.

Table 2-2. Field Communication Fast Keys

Category Function Sequence

Device Available Measurements 1, 9, 4



Device Display 2, 2, 5

Device Sensor Module Temperature 2, 2, 4

Device Sensor Module Temperature Units 2, 2, 4, 3

Device Sensor Module Temperature Upper Alert Limit 2, 2, 4, 4

Device Sensor Module Temperature Lower Alert Limit 2, 2, 4, 5

Device Device Address 2, 2, 6, 1, 1



Device Device Status 1, 1

Device Baud Rate 2, 2, 6, 1, 2

Device Turnaround Delay 2, 2, 6, 1, 3

Device Ta g 2, 2, 7, 1, 1

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Device Long Tag 2, 2, 7, 1, 2

Device Transmitter S/N 2, 2, 7, 1, 7

Device Security Switch 1, 9, 5, 1

DP Sensor DP 2, 2, 1

DP Sensor Calibration 3, 4, 1, 8

DP Sensor DP Units 2, 2, 1, 3



DP Sensor DP Damping 2, 2, 1, 4



DP Sensor Veri fic atio n 3, 4, 1, 9

DP Sensor Upper Alert Limit 2, 2, 1, 6

DP Sensor Lower Alert Limit 2, 2, 1, 7

PT Sensor Sensor Matching 2, 2, 3, 8

PT Sensor PT 2, 2, 3

PT Sensor Calibration 3, 4, 3, 8

PT Sensor PT Units 2, 2, 3, 3



PT Sensor PT Damping 2, 2, 3, 4



PT Sensor Sensor Type 2, 2, 3, 5



PT Sensor Veri fic atio n 3, 4, 3, 9

PT Sensor Upper Alert Limit 2, 2, 3, 6, 1

Config uration

PT Sensor Lower Alert Limit 2, 2, 3, 6, 2

PT Sensor Temp Mode Setup 2, 2, 3, 7



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Table 2-2. Field Communication Fast Keys

Category Function Sequence

SP Sensor AP 2, 2, 2, 7

SP Sensor SP Units 2, 2, 2, 3



SP Sensor GP 2, 2, 2, 6

SP Sensor SP Damping 2, 2, 2, 4



SP Sensor Calibration 3, 4, 2, 8

SP Sensor Veri fic atio n 3, 4, 2, 9

SP Sensor Upper Alert Limit 2, 2, 2, 6, 3

SP Sensor Lower Alert Limit 2, 2, 2, 6, 4

2.8 Rosemount 4088A configuration with legacy tool

The Rosemount 4088A may be configured with the Rosemount 3095FB Configuration Software. When using this legacy tool, only functionality that was available with the Rosemount 3095FB can be accessed. The device must be removed from the Modbus network prior to communicating over the RS-485 bus.

Figure 2-24. Transmitter Configuration via RS-485 Network Port

A. RS- 485 (A) B. RS-485 (B) C. RS-485 bus, twisted pair required D. Bus Termination: AC termination on Rosemount 4088 (see “Set the switches” on page 43) or 120 Ω resistor E. User-provided power supply F. Rosemount 3095FB configuration software G. RS 232/RS 485 converter

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Section 3 Installation

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 35

Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 35

Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 36

Steps required for quick installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 37

Rosemount 305, 306, and 304 Manifolds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 49

3.1 Overview

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The information in this section covers installation considerations for the Rosemount™ 4088 MultiVariable describe basic installation, wiring, and startup procedures. Dimensional drawings for each transmitter variation and mounting configuration are included in Appendix A: Reference Data.

™

Transmitter. The Rosemount 4088 Quick Start Guide is shipped with every transmitter to

3.2 Safety messages

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.

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Explosions can result in death or serious injury.

 Do not remove the transmitter covers in explosive environments when the circuit is live.  Fully engage both transmitter covers to meet explosion-proof requirements.  Before connecting a 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.

 Verify the operating atmosphere of the transmitter is consistent with the appropriate hazardous

locations certifications.

Electrical shock can result in death or serious injury.

Avoid contact with the leads and terminals.

Process leaks could result in death or serious injury.

reduce the pressure retaining capabilities of the transmitter and may render the instrument dangerous.

 Use only bolts supplied or sold by Emerson as spare parts.

Improper assembly of manifolds to traditional flange can damage sensor module.

For safe assembly of manifold to traditional flange, bolts must break back plane of flange web (i.e., bolt hole) but must not contact module housing.

Sensor module and electronics housing must have equivalent approval labeling in order to maintain hazardous location approvals.

™

for use as spare parts could

3.3 Considerations

3.3.1 General

Measurement performance depends upon proper installation of the transmitter and impulse piping. Mount the transmitter close to the process and use minimum piping to achieve best performance. Also, consider the need for easy access, personnel safety, practical field calibration, and a suitable transmitter environment. Install the transmitter to minimize vibration, shock, and temperature fluctuation.

Important

Install the enclosed pipe plug (found in the box) in the unused conduit opening. For straight threads, a minimum of six threads must be engaged. For tapered threads, install the plug wrench-tight.

For material compatibility considerations, see the Material Selection Tech n ical Note.

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3.3.2 Mechanical

Steam service

For steam service or for applications with process temperatures greater than the limits of the transmitter, do not blow down impulse piping through the transmitter. Flush lines with the blocking valves closed and refill lines with water before resuming measurement.

Side mounting

When the transmitter is mounted on its side, position the coplanar flange to ensure proper venting or draining. Mount the flange as shown in Figure 3-5 on page 41, keeping drain/vent connections on the bottom for gas service and on the top for liquid service.

3.3.3 Environmental

Best practice is to mount the transmitter in an environment that has minimal ambient temperature change. The transmitter electronics temperature operating limits are –40 to 185 °F (–40 to 85 °C).

Appendix A: Reference Data lists the sensing element operating limits. Mount the transmitter so it is not

susceptible to vibration and mechanical shock and does not have external contact with corrosive materials.

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3.4 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

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3.4.1 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.

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Flow

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

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Figure 3-1. Mounting Bracket – Coplanar Flange

Figure 3-2. Mounting Brackets – Traditional Flange

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Panel mount Pipe mount

Installation

Figure 3-3. Mounting Brackets – In-line

Panel mount Pipe mount

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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 as spare parts. Figure 3-4 illustrates common transmitter assemblies with the bolt length required for proper transmitter assembly.

Figure 3-4. Common Transmitter Assemblies

4 × 1.75-in.

(44 mm)

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

4 × 1.50-in.

(38 mm)

4 × 1.75-in.

(44 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

Note

For all other manifolds, contact Customer Central technical support.

Bolts are typically carbon steel or stainless steel. Confirm the material by viewing the markings on the head of the bolt and referencing Table 3-1 on page 41. If bolt material is not shown in Tab l e 3- 1 , contact the local Emerson 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 Ta b le 3 - 1 for initial torque value.

4. Torque the bolts to the final torque value using the same crossing pattern. See Ta bl e 3 -1 for final torque value.

5. Verify the flange bolts are protruding through the sensor module before applying pressure (see

Figure 3-5 on page 41).

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Table 3-1. Torque Values for the Flange and Flange Adapter Bolts

Bolt material Head markings Initial torque Final torque

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B8M

B7M

316

Carbon Steel (CS) 300 in-lb 650 in-lb

316

Stainless Steel (SST) 150 in-lb 300 in-lb

316

STM

316

Figure 3-5. Proper Bolt Installation

A. Bolt B. Sensor module

O-rings with flange adapters

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 (square) D. Elastomer profile (round)

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.

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 3-6 on page 42)

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.

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Figure 3-6. In-line Gage Transmitter

A. Low side pressure port (under neck label)

3.4.2 Consider housing rotation

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

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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 3-7. Transmitter Housing Set Screw

A. LCD display B. Housing rotation set screw (

/32-in.)

Note

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

Section 6: Troubleshooting for more information). Over-rotation may sever the electrical connection

between the sensor module and the electronics.

Rotate the LCD display

Transmitters ordered with the LCD display will be shipped with the display installed.

In addition to housing rotation, the optional LCD display can be rotated in 90° increments by squeezing the two tabs, pulling out, rotating and snapping back into place.

If LCD display pins are inadvertently removed from the electronics board, carefully re-insert the pins before snapping the LCD display back into place.

Use the following procedure and Figure 3-8 on page 43 to install the LCD display:

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1. If the transmitter is installed in a loop, then secure the loop and disconnect power.

2. Remove the transmitter cover on the electronics board side (opposite the field terminals side). Do not remove instrument covers in explosive environments when circuit is live.

3. Engage the four-pin connector into the electronics board and snap LCD display into place.

4. In order to meet explosion-proof requirements, reinstall the housing cover and tighten so the cover is fully seated with metal to metal contact between the housing and cover. After the cover is seated properly, replace the flathead screw located on the bottom of the housing cover.

Figure 3-8. Optional LCD Display

A. Electronics board B. LCD display C. Display cover

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3.4.3 Set the switches

The transmitter’s default configuration for the AC Termination is in the off position. The transmitter’s electronics board 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 transmitter cover opposite the field terminal side. Do not remove the instrument covers in explosive environments when the circuit is live.

3. Slide the Security and AC Termination switches into the preferred position by using a small screwdriver.

Note

The Security switch will need to be in the off position in order to make any configuration changes.

Figure 3-9. Transmitter Switch Configuration

A. Security B. AC termination

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3.4.4 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 47.

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

connection.

Note

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. For straight threads, a minimum of six threads must be engaged. For tapered threads, install the plug wrench-tight.

3. Connect the Rosemount 4088A to the RS-485 bus as shown in Figure 3-10 (for Rosemount 4088B wiring and power up instructions, reference the ROC and FloBoss Manuals outlined in “Rosemount

4088B ROC communications” on page 77 or the ControlWave Manual outlined in “Rosemount 4088B BSAP communications”).

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

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4. Connect the positive lead from the power source to the “PWR +” terminal, and the negative lead to the “PWR –” terminal (for power requirements, reference the Product Data Sheet).

Note

The Rosemount 4088A uses RS-485 Modbus baud rate is 9600.

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 ft. (305 to 1219 m) should be AWG 20 or larger. Wiring should not exceed AWG 16.

5. Reinstall the housing cover and tighten so the cover is fully seated with metal to metal contact between the housing and cover in order to meet explosion-proof requirements.

Note

Installation of the transient protection terminal block does not provide transient protection unless the transmitter housing is properly grounded.

with eight data bits, one stop bit and no parity. The default

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Transmitter wiring

Figure 3-10. Transmitter Wiring for RS-485 Bus

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A. RS- 485 (A) B. RS-485 (B) C. RS-485 bus, twisted pair required

D. Bus Termination: AC Termination on Rosemount 4088 (see “Set the switches” on page 43) or 120 Ω resistor E. User-provided power supply

To co nfigure tr ansmitter via H A RT® port, reference Figure 2-1 on page 7 for the wiring diagram.

To configure using RS-485 network port, reference Figure 2-24 on page 34 for the wiring diagram.

Grounding

Signal wire grounding

Do not run signal wiring in conduit or open trays with power wiring, or near heavy electrical equipment. If shielded wiring is used, ground the shield of the signal wiring at any one point on the signal loop. Device must be properly grounded or earthed according to local electric codes.

Transmitter case

Always ground the transmitter case in accordance with national and local electrical codes. The most effective transmitter case grounding method is a direct connection to earth ground with minimal impedance (< 1 Ω). Methods for grounding the transmitter case include:

Internal ground connection

The internal ground connection screw is inside the terminal side of the electronics housing. The screw is identified by a ground symbol ( ).

Figure 3-11. Internal Ground Connection

Installation

A. Ground lug

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External ground connection

The external ground connection is on the outside of the sensor module housing. The connection is identified by a ground symbol ( ). An external ground assembly is included with the option codes shown in Table 3-2 on page 46 or is available as a spare part (03151-9060-0001).

Figure 3-12. External Ground Connection

A. External ground lug B. External ground assembly (03151-9060-0001)

Table 3-2. External Ground Screw Approval Option Codes

Option code Description

E1 AT EX Flamep roo f

I1 ATEX Intrinsic Safety

N1 ATE X Type n

ND ATE X Dus t

K1 ATEX Flameproof, Intrinsic Safety, Type n, Dust (combination of E1, I1, N1, and ND)

E7 IECEx Flameproof, Dust Ignition-proof

N7 IECEx Type n

K7 IECEx Flameproof, Dust Ignition-proof, Intrinsic Safety, and Type n (combination of E7, I7, and N7)

KA ATEX and CSA Explosion-proof, Intrinsically Safe, Division 2 (combination of E1, E6, I1, and I6)

KC FM and ATEX Explosion-proof, Intrinsically Safe, Division 2 (combination of E5, E1, I5, and I1)

T1 Transient terminal block

D4 External ground screw assembly

Surges/transients

The transmitter will withstand electrical transients of the energy level usually encountered in static discharges or induced switching transients. However, high-energy transients, such as those induced in wiring from nearby lightning strikes, can damage the transmitter.

Optional transient protection terminal block

The transient protection terminal block can be ordered as an installed option (option code T1 in the transmitter model number) or as a spare part to retrofit existing Rosemount 4088 MultiVariable Transmitters in the field. For a complete listing of spare part numbers for transient protection terminal blocks, refer to “Spare parts list” on page 123. A lightning bolt symbol on a terminal block identifies it as having transient protection.

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Note

Grounding the transmitter case using the threaded conduit connection may not provide a sufficient ground. The transient protection terminal block (option code T1) will not provide transient protection unless the transmitter case is properly grounded. See “Grounding” on page 45 to ground the transmitter case. Do not run transient protection ground wire with signal wiring; the ground wire may carry excessive current if a lightning strike occurs.

Optional extended cover

The Rosemount 4088 can also be ordered with an aluminum or SST extended cover. The extended cover option is beneficial in applications where more space is needed to wire the transmitter. The extended cover can be ordered as an installed option (option code HX under housing cover extension) or as a spare part to retrofit existing Rosemount 4088 MultiVariable Transmitters in the field. For a complete list of the spare part numbers for covers, refer to “Spare parts list” on page 123.

Install optional process temperature input (Pt 100 RTD Sensor)

Note

To meet ATEX/IECEx Flameproof certification, only ATEX/IECEx Flameproof cables (temperature input code C30, C32, C33, or C34) may be used.

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1. Mount the Pt 100 RTD Sensor in the appropriate location.

Note

Use shielded 4- or 3-wire cable for the process temperature connection.

2. Connect the RTD cable to the transmitter by inserting the cable wires through the unused housing conduit and connect to the screws on the transmitter terminal block. An appropriate cable gland should be used to seal the conduit opening around the cable.

Note

If power is already connected to the Rosemount 4088, power should be removed prior to connecting the RTD wires. This will allow the Rosemount 4088 to detect the RTD type at startup. Once the RTD is installed, reconnect power.

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3. Connect the RTD cable shield wire to the ground lug in the housing.

Figure 3-13. Transmitter RTD Wiring Connection

3-wire 4-wire

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Red

A. Ground lug B. Pt 100 RTD sensor C. Connection head

White

Red

Note

Verify the installed PT sensor type (3-wire or 4-wire) matches the device setting.

3.4.5 Verify device configuration

For Rosemount 4088A, use Rosemount Transmitter Interface Software with the Rosemount 4088 DTM or a HART Field Communicator with the Rosemount 4088 Device Descriptor to communicate with and verify configuration of the transmitter.

For Rosemount 4088B, use ROCLINK and verify configuration of the transmitter.

™

, TechView, or HART Field Communicator to communicate with

White

Note

A list of parameters to verify during commissioning is listed in “Field Communicator” on page 33.

3.4.6 Trim the transmitter

Transmitters are shipped fully calibrated per request or by the factory default.

Zero trim

A zero trim is a single-point adjustment used for compensating mounting position and line pressure effects on static and differential pressure sensors. When performing a zero trim, ensure that the equalizing valve is open and all wet legs are filled to the correct level.

If zero offset is less than 5 percent of USL, follow the user interface software instructions below to perform a zero trim on a Field Communicator or see the “Zero trim” on page 105 for PC configuration.

Performing a zero trim using the Field Communicator

1. Block, equalize, and vent the transmitter and connect the Field Communicator (for more information on connecting the Field Communicator, see Figure 2-1 on page 7).

2. If the device is equipped with a static pressure sensor, trim the sensor by inputting the following Fast

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Key sequence at the transmitter menu:

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Field Communicator

3. Follow the appropriate static pressure trim procedure.

 Zero trim for gage pressure sensors

 Lower sensor trim for absolute pressure sensors

Note

It is possible to degrade the performance of the transmitter if the full sensor trim is done improperly or with inaccurate calibration equipment. Use a pressure input source that is at least three times more accurate than the transmitter and allow the pressure input to stabilize for ten seconds before entering any values.

4. Zero the differential pressure sensor by inputting the following Fast Key sequence at the transmitter menu:

Field Communicator

5. Follow the zero DP trim procedure.

3, 4, 2, 8

3, 4, 1, 8, 5

3.5 Rosemount 305, 306, and 304 Manifolds

The Rosemount 305 Integral Manifold mounts directly to the transmitter and is available in two styles: traditional and coplanar. The traditional Rosemount 305 can be mounted to most primary elements in the market today using mounting adapters.

The Rosemount 306 Integral Manifold is used with in-line transmitters to provide block-and-bleed valve capabilities of up to 10000 psi (690 bar).

The Rosemount 304 conventional manifold combines a traditional flange and manifold that can be mounted to most primary elements.

3.5.1 Rosemount 305 Integral Manifold installation procedure

To install a Rosemount 305 to a Rosemount 4088:

1. Inspect the PTFE sensor module O-rings. If the O-rings are undamaged, reusing them is recommended. If the O-rings are damaged (if they have nicks or cuts, for example), replace them with new O-rings.

Important

If replacing the O-rings, be careful not to scratch or deface the O-ring grooves or the surface of the isolating diaphragm when removing the damaged O-rings.

2. Install the integral manifold on the sensor module. Finger tighten the bolts, then tighten the bolts incrementally in a cross pattern (see Figure 3-14) to final torque value. See Table 6-4 on page 122 for complete bolt installation information and for torque values. When fully tightened, the bolts should extend through the top of the module housing plane of the flange web (i.e. bolt hole) but must not contact the module housing.

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3. If the PTFE sensor module O-rings have been replaced, the flange bolts should be re-tightened after installation to compensate for cold flow of the O-rings.

4. If applicable, install flange adapters on the process end of the manifold using the 1.75-in. flange bolts supplied with the transmitter.

Note

Always perform a zero trim on the transmitter/manifold assembly after installation to eliminate mounting effects. See “Zero trim” on page 48.

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3.5.2 Rosemount 306 In-line Manifold installation procedure

The Rosemount 306 is for use only with a Rosemount 4088 In-line Transmitter.

Assemble the Rosemount 306 to the Rosemount 4088 with a thread sealant.

1. Place transmitter into holding fixture.

2. Apply appropriate thread paste or tape to threaded instrument end of the manifold.

3. Count total threads on the manifold before starting assembly.

4. Start turning the manifold by hand into the process connection on the transmitter.

Note

If using thread tape, be sure the thread tape does not strip when the manifold assembly is started.

5. Wrench tighten manifold into process connection.

Note

Minimum torque value is 425 in-lb.

6. Count how many threads are still showing.

Note

Minimum engagement is three revolutions.

7. Subtract the number of threads showing (after tightening) from the total threads to calculate the revolutions engaged. Further tighten until a minimum of three rotations is achieved.

8. For block and bleed manifold, verify the bleed screw is installed and tightened. For 2-valve manifold, verify the vent plug is installed and tightened.

9. Leak-check assembly to maximum pressure range of transmitter.

3.5.3 Rosemount 304 Conventional Manifold installation procedure

To install a Rosemount 304 to a Rosemount 4088:

1. Align the conventional manifold with the transmitter flange. Use the four manifold bolts for alignment.

2. Finger tighten the bolts, then tighten the bolts incrementally in a cross pattern (see Figure 3-14) to final torque value. See Table 6-4 on page 122 for complete bolt installation information and for torque values. When fully tightened, the bolts should extend through the top of the module housing plane of the flange web (i.e. bolt hole) but must not contact the module housing.

3. If applicable, install flange adapters on the process end of the manifold using the 1.75-in. flange bolts supplied with the transmitter.

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Figure 3-14. Bolt Tightening Pattern

3.5.4 Rosemount 305 and 304 Manifold styles

The Rosemount 305 Integral Manifold is available in two styles: coplanar and traditional. The traditional Rosemount 305 can be mounted to most primary elements with mounting adapters.

Figure 3-15. Rosemount 305 Manifold Styles

Integral coplanar Integral traditional

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The Rosemount 304 comes in two basic styles: traditional (flange + flange and flange + pipe) and wafer. The Rosemount 304 traditional manifold comes in 2-, 3-, and 5-valve configurations. The Rosemount 304 wafer manifold comes in 3- and 5-valve configurations.

Figure 3-16. Rosemount 304 Manifold Styles

Traditiona l Wafer

Installation

Drain/Vent

valve

Isolate (open)

Drain/Vent

valve

Isolate

(closed)

Process

Equalize (closed)

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3.5.5 Manifold operation

Improper installation or operation of manifolds may result in process leaks, which may cause death or serious injury.

Always perform a zero trim on the transmitter/manifold assembly after installation to eliminate any shift due to mounting effects. See Section 5: Operation and Maintenance, “Sensor trim overview” on

page 105.

Coplanar transmitters

3-valve and 5-valve manifolds

Performing zero trim at static line pressure

In normal operation the two isolate (block) valves between the process ports and transmitter will be open and the equalize valve will be closed.

Drain/Vent

valve

Isolate (open)

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Drain/Vent

Equalize (closed)

valve

Isolate (open)

1. To zero trim the transmitter, close the isolate valve on

the low side (downstream) side of the transmitter.

2. Open the equalize valve to equalize the pressure on

both sides of the transmitter. The manifold is now in the proper configuration for performing a zero trim on the transmitter.

3. After performing a zero trim on the transmitter, close

the equalize valve.

Drain/Vent

valve

Isolate (open)

Drain/Vent

valve

Isolate (open)

Process

Drain/Vent

Equalize

(open)

Process

Equalize (closed)

valve

Isolate

(closed)

Drain/Vent

valve

Isolate

(closed)

Process

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(Plugged)

Isolate (open)

(Plugged)

Equalize (closed)

Process ProcessDrain vent

(closed)

(Plugged)

Isolate (open)

Isolate

(closed)

(Plugged)

Process ProcessDrain vent

(closed)

Equalize (closed)

(Plugged)

Isolate (open)

Equalize

(open)

Equalize

(closed)

Process ProcessDrain vent

(closed)

Isolate

(closed)

(Plugged)

00809-0100-4088, Rev DB

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4. Finally, to return the transmitter to service, open the

low side isolate valve.

5-valve natural gas manifold

Performing zero trim at static line pressure

5-valve natural gas configurations shown:

In normal operation, the two isolate (block) valves between the process ports and transmitter will be open, and the equalize valves will be closed. Vent valves may be opened or closed.

Drain/Vent

valve

Isolate (open)

Drain/Vent

Equalize

valve

(closed)

Isolate (open)

Process

1. To zero trim the transmitter, first close the isolate valve

2. Open the equalize valve on the high pressure

Installation

on the low pressure (downstream) side of the transmitter and the vent valve.

(upstream) side of the transmitter.

Installation

(Plugged)

Isolate (open)

Equalize

(open)

Equalize

(closed)

Process ProcessDrain vent

(closed)

Isolate

(closed)

(Plugged)

Isolate (open)

Isolate

(closed)

(Plugged)

Process ProcessDrain vent

(closed)

Equalize

(closed)

Equalize (closed)

(Plugged)

Isolate (open)

(Plugged)

Equalize

(closed)

Equalize

(closed)

Process ProcessDrain vent

(closed)

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3. Open the equalize valve on the low pressure

(downstream) side of the transmitter. The manifold is now in the proper configuration for performing a zero trim on the transmitter.

4. After performing a zero trim on the transmitter, close

the equalize valve on the low pressure (downstream) side of the transmitter.

(Plugged)

(open)

Equalize

(open)

Isolate

Process ProcessDrain vent

Equalize

(open)

(closed)

(Plugged)

Isolate

(closed)

5. Close the equalize valve on the high pressure

(upstream) side.

6. Finally, to return the transmitter to service, open the

low side isolate valve and vent valve. The vent valve can remain open or closed during operation.

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Transmitter

Isolate

Vent

(closed)

Process

(open)

Transmitter

Isolate

Vent

(closed)

Process

(closed)

Transmitter

Isolate

Vent

(open)

Process

(closed)

Transmitter

Isolate

Vent

(closed)

Process

(closed)

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In-line transmitters

2-valve and block and bleed style manifolds

Isolating the transmitter

In normal operation the isolate (block) valve between the process port and transmitter will be open and the test/vent valve will be closed. On a block and bleed style manifold, a single block valve provides transmitter isolation and a bleed screw provides drain/vent capabilities.

1. To isolate the transmitter, close the isolate valve.

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2. To bring the transmitter to atmospheric pressure, open the vent

valve or bleed screw.

Note

/4-in. male NPT pipe plug may be installed in the test/vent port and will need to be removed with a wrench in order to vent the manifold properly. Always use caution when venting directly to atmosphere.

3. After venting to atmosphere, perform any required calibration

and then close the test/vent valve or replace the bleed screw.

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4. Open the Isolate (block) valve to return the transmitter to service.

Transmitter

Vent

(closed)

Isolate

Process

(open)

Adjusting valve packing

Over time, the packing material inside a Rosemount manifold may require adjustment in order to continue to provide proper pressure retention. Not all manifolds have this adjustment capability. The manifold model number will indicate what type of stem seal or packing material has been used.

The following steps are provided as a procedure to adjust valve packing:

1. Remove all pressure from device.

2. Loosen manifold valve jam nut.

3. Tighten manifold valve packing adjuster nut

4. Tighten manifold valve jam nut.

/4 turn.

5. Re-apply pressure and check for leaks.

6. Above steps can be repeated, if necessary.

If the above procedure does not result in proper pressure retention, the complete manifold should be replaced.

Figure 3-17. Adjusting Valve Packing

A. Bonnet B. Ball seat C. Packing D. Stem

E. Packing adjuster F. Jam n ut G. Packing follower

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Section 4 Communication

Rosemount 4088A Modbus communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 57

Rosemount 4088B ROC communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 77

Rosemount 4088B BSAP communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 78

4.1 Rosemount 4088A Modbus communications

This section contains the Modbus® interface and register map used in the Rosemount™ 4088A Transmitter. Use this section to locate the Modbus register for the process variables and status bits that

will be retrieved from the Rosemount 4088A. The purpose of including this register map is to provide the information required to implement this register map within a host in order to achieve an effective exchange of data with the Rosemount 4088A. It is expected that anyone creating such an interface has a thorough understanding of the Modbus protocol. Reference the “Modicon Modbus Protocol Reference Guide PI-MBUS-300 Rev. J” published by Modicon, Inc., Industrial Automation Systems for further information.

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Note

4.1.1 Modbus communication overview

The Rosemount 4088A is a Modbus-compatible measurement device. The Rosemount 4088A supports standard Modbus RTU transmission mode.

Physical layer requirements

 RS-485  2-wire  Half-duplex

Data format (not configurable)

 Data bits: 8  Stop bits: 1  Parity: None  Bit order: least significant byte (LSB)

Baud rate (software configurable)

 Default baud rate: 9600  Available baud rates: 1200, 2400, 4800, 9600, 19200

Communication

Make sure the RS-485 network is only terminated twice on the entire bus. Best practice would suggest this be done once on each end. Termination at multiple points on the bus will hamper communication.

Communication

Device Address Function Code

Data Bytes

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To help with this, the electronics board features an “AC Termination” switch that allows AC termination to be either enabled or disabled. See “Set the switches” on page 43 for more information.

The format for both query and response frames is as follows:

For communication to a specific Rosemount 4088A, the address field contains the slave’s polling address. In a broadcast frame, the address field contains a 0. Only Modbus function codes that write to a register or coil are valid in a broadcast message. Address 0 is reserved for broadcast messages and therefore is not a valid Modbus slave address.

All Rosemount 4088A Transmitters will respond to messages sent to Address 240. For this reason, Address 240 is considered a universal address. This address is useful when there is only a single device on a segment and its unique polling address is unknown. Using Address 240, the device can be queried to find the device address in Holding Register 0016. Since every device on a segment will respond to commands given to Address 240, it should never be used when there is more than a single device on a segment.

The function field contains a function code, which indicates the read, write or diagnostic command to be performed as part of a query. When the Rosemount 4088A responds to a query, the function field will either verify the device’s response or provide an exception that explains any errors encountered while processing the command. Tab l e 4- 1 provides an overview of these response codes. When a transmitter receives a query, it will not respond until the command has been completed. No subsequent commands will be processed until the first command is finished.

Table 4-1. Exception Response Codes

Exception

response

01 Illegal function

03 Illegal data value

Description Explanation

Illegal data address

Slave device failure

Slave device is busy

The data field contains information that is specific to each individual function.

The error check field contains a 16-bit CRC checksum that is used to verify the integrity of the message frame.

4.1.2 Modbus data types

The transmitter’s mapped addresses store and use data types supported by many Modus-compatible PLC’s and host controllers. Table 4-2 on page 59 lists those data types according to their mapped addresses and corresponding function codes.

All registers in this document are referenced to one. The registers in Modbus messages are referenced to zero. This means the number of the mapped address register (i.e. 0005) is one higher than the actual number (i.e. 0004) that is sent in the Modbus frame message. Depending on whether the Modbus host is

The received message function is not an allowable action for the transmitter.

The address referenced in the data field is not an allowable address for the memory location.

The value referenced in the data field is not allowed in the addressed memory location.

An unrecoverable error occurred while the slave was attempting to perform the requested action.

The slave is engaged in processing a long duration command. The host should retransmit the message later when the slave is free.

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referenced to a 1 or 0, it may be required to add or subtract a 1 from the register to be accessed (ex. 0400 instead of 0401) for successful data acquisition between the host and transmitter.

Floating point values are stored as single precision IEEE 754 floating point numbers. These floating point numbers are stored as either two 16-bit registers or as one 32-bit register.

Table 4-2. Data Types According to Function Code and Mapped Address

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start

397

7399

1. Floating point numbers can only be written with function code 06 if the register is a 32-bit register.

end

1 102 1 01, 02, 05 Coil Single on/off bit per Boolean coil state

652

7526

1 362 16

size (bits)

16 32

Func tion

03, 04, 06

16, 69, 70

4.1.3 Modbus function codes

The Rosemount 4088 supports the following function codes, which include read, write and diagnostic commands.

Table 4-3. Modbus Function Codes

Function

code

01 Read Read coil status Read ON/OFF status of one coil or consecutive coils

02 Read Read input status

03 Read Read holding registers Read values of one or more holding registers

Command

type

Description Explanation

codes

03, 04 06, 16

type

(1)

Floating point

Holding

registers

Read ON/OFF status of one discrete input or consecutive discrete inputs

Description

IEEE 754 floating point number (accessed in either two 16-bit or one 32-bit register).

One 16-bit unsigned integer per register (shares the same register range with the holding registers and ASCII registers).

04 Read Read input registers Read values of one or more input registers

05 Write Force single coil Set coil to a specified ON or OFF state

06 Write Preset single register Write a value to holding register

08 Diagnostic Loopback diagnostics

16 Write Preset multiple registers Write values to consecutive holding registers

69 Read

70 Write

Read multiple floating

point registers

Load multiple floating

point registers

Once the transmitter has been configured, the configuration data can be protected by moving the Transmitter Security switch to the ON position. This switch is located on the left side of the Electronics Board and is labeled “Security”. If the Transmitter Security switch is ON and the host tries to write to a register location, the Modbus exception Illegal Data Address (02) will be returned. Any exceptions to this are noted in the Modbus register maps. See “Set the switches” on page 43 for more information.

4.1.4 Registers for process variables

A complete register map, including coils, holding, floating point and diagnostics are found later in this section. The register map for the process variables has been designed such that all dynamic process

Communication

Send a diagnostic test message to the transmitter to evaluate communications processing

Read values of one or more 32-bit floating point registers

Write values to consecutive 32-bit floating point registers

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information can be obtained with a single read. The registers that provide this capability are shown in

Ta bl e 4 -4 . In the event of a sensor malfunction, the transmitter will return “NAN” (not a number) for the

numeric value.

Table 4-4. Modbus Registers for Process Variables

0397-0398 Byte 0 7399 Byte 0 Sensor module temperature variable status

0397-0398 Byte 1 7399 Byte 1 Differential pressure variable status

0397-0398 Byte 2 7399 Byte 2 Static pressure variable status

0397-0398 Byte 3 7399 Byte 3 Process temperature variable status

0399-0400 7400 Sensor module temperature

0401-0402 7401 Differential pressure

0403-0404 7402 Static pressure

0405-0406 7403 Process temperature

0407-0410 7404-7405 Transmitter status information

4.1.5 Process variable integer scaling

The process variables can also be read as 16-bit scaled integers, as shown in Tab l e 4- 5 . Integer scaling can result in significant loss of precision for the process variables and should only be done if the application can support this degradation. If scaled integers are disabled, all scaled integers will be set to 65535.

Table 4-5. Register Locations for Process Variables Presented as Scaled Integers

Process variable 16-bit register

Differential pressure 0116

Static pressure 0117

Process temperature 0118

There are two separate ways to configure the Scaled Integers. In the “Entered Endpoint” method, the (x1, y1) and (x2, y2) endpoints for the scaling line are defined as shown in Figure 4-1. The unit codes for the x-values for the endpoints should be the same as the current process variable unit code. If the process variable unit codes after the scaled integers are set, the x-values will be automatically updated to reflect the new unit code.

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Figure 4-1. Integer Scaling

65,534

scaled

output

input

(x , y )

LRV URV

Process variable floating point input

(x , y )

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In the “Entered Scale Factor and Offset” method, a scale factor and an offset describing the relationship between the measured variable and the PV

the scaled integers compared to the change of the measured process variable. The offset should be determined through use of the equation shown below:

= (scale factor x input) + (32,768 - offset)

scaled

The scale factor and offset must be configured for the correct unit codes. If the unit codes are changed, the scale factor and offset must be recalculated.

If the measured value derives an integer higher than the maximum integer or lower than zero, the maximum integer plus one will be returned. Also, if any of the defined error conditions occur, the affected scaled integers will be set to the maximum integer plus one. The maximum integer value can be any value from 1 to 65,534. The default maximum integer value is 65,534.

4.1.6 Floating point formats

The Rosemount 4088A has the capability to rearrange the transmission byte order of the floating point registers. The floating point registers will still be in IEEE 754 format, only the transmission byte order will change. The configuration of the byte transmission order is held in holding register 0132. Changing the configuration of the Rosemount4088A with regard to the byte transmission order affects both the reading and writing of floating point registers. It will not affect the byte transmission order of the integer data.

The floating point format byte order is shown in Table 4-6 on page 62.

output are specified. The scale factor is the change of

scaled

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Table 4-6. Floating Point Format

IEEE 754 Floating Point SEEE EEEE EMMM MMMM MMMM MMMM MMMM MMMM

Format 0 1 2 3 4

Format 1 3 4 1 2

Format 2 4 3 2 1

Format 3 2 1 4 3

Note

“S” is the sign of the floating point number, “E” is the exponent, and “M” is the mantissa.

4.1.7 Communications

The Rosemount 4088A Transmitter can be configured with a turnaround delay time (holding register

0131), which defines how long the transmitter will wait to respond after receiving a query from the host. If the Turnaround Delay Time is set to zero, the device will respond as fast as it can. The default Turnaround Delay Time is 50 milliseconds.

Reference Manual

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Byte order

Byte A Byte B Byte C Byte D

The registers shown in Ta b l e 4 -7 provide statistics that may be used to gather diagnostic information about the communications between the device and the host. The communications statistics will reset when the Rosemount 4088A loses power or if a Master Reset is performed. The registers will be reset to zero when the value in the registers exceeds the maximum value for an unsigned 16-bit number.

Table 4-7. Communication Statistics

Address Register type Attribute Description

0145 Holding Read Only Network Port Framing Error

0147 Holding Read Only Network Port Overrun Error

0148 Holding Read Only Network Port CRC Error

0150 Holding Read Only Network Port Good Message Count

4.1.8 Implementing calibration

Each process variable in the Rosemount 4088A (differential pressure [DP], static pressure [SP] and process temperature [PT]) can be calibrated through a trim process, either a zero trim or a two-point trim. The lower trim value acts the same as a zero trim. The upper trim serves to adjust the span (or slope) of the device. The trim values should be written to the appropriate Floating Point Registers in

Ta bl e 4 - 1 2 . A Modbus coil (0003) has been provided as a way of flagging the transmitter is in a calibration

state. The host has complete control of the calibration flag. The coil is intended for informational use and does not affect the internal operation of the device. The status of this coil can be read by coil 0050 which is a part of transmitter status.

For accurate calibration, the user should be prompted to wait for the process variable to stabilize before attempting to trim the transmitter. The host should never write the lower (zero) and upper (span) trims at the same time; the device will reject this type of request. For best results, a Lower Trim should be completed before attempting the Upper Trim.

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4.1.9 Diagnostics

The Rosemount 4088A features a number of diagnostic status bits that give information about the status of the transmitter. A complete listing of these diagnostic status bits are shown in Ta bl e 4 - 8 . The status bits can be read as coils, holding registers, or floating point registers. In a polling environment, the host should retrieve the Process Variables and Status Registers in a single query. The Rosemount 4088A will automatically perform a continuous self-test, such that there is no requirement for a host to perform any independent procedures. For information on alarms and conditions, see “Alarms and conditions” on

page 115.

Activating the master reset coil performs a reset of the Rosemount 4088A. This is similar to shutting off the power and then reapplying power. The master reset takes approximately five seconds to complete. For more information, see Table 4-10 on page 66.

Table 4-8. Transmitter Status and Diagnostic Registers

32-bit

floating

7404 0407 0119

16-bit

address

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Bit

position

Holding

address

15 50 Calibration flag

14 51 Critical alarm set

13 52 Warning alarm set

12 53 Differential pressure out of limit (High)

11 54 Reserved

10 55 Differential pressure above upper alert limit

9 56 Differential pressure below lower alert limit

8 57 Reserved

7 58 Differential pressure out of limit (Low)

6 59 Static pressure out of limit (High)

5 60 Reserved

4 61 Static pressure above upper alert limit

3 62 Static pressure below lower alert limit

2 63 Reserved

1 64 Static pressure out of limit (Low)

0 65 Reserved

floating

Coil Description

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Table 4-8. Transmitter Status and Diagnostic Registers

Bit

position

32-bit

floating

7404 0408 0120

7405 0409 0121

7405 0410 0122 15-0 N/A Reserved

address

16-bit

floating

address

Holding

15 66 Reserved

14 67 Reserved

13 68 Process temperature out of limit (High)

12 69 Process temperature above upper alert limit

11 70 Process temperature below lower alert limit

10 71 Process temperature out of limit (Low)

9 72 Reserved

8 73 Process temperature sensor failure

7 74 Sensor module temperature out of limit (High)

6 75 Sensor module temperature out of limit (Low)

5 76 Sensor module temperature above upper alert limit

4 77 Sensor module temperature below lower alert limit

3 78 RTD sensor type mismatch

2 79 LCD communication update failure

1 80 Sensor module failure

0 81 Reserved

15 82 Sensor module communication error

14 83 Power failure

13 84 Reserved

12 85 Reserved

11 86 Sensor module incompatibility

10 87 Reserved

9 88 Reserved

8 89 Differential pressure simulation enabled

7 90 Static pressure simulation enabled

6 91 Reserved

5 92 Electronic circuit board error

4 93 Reserved

3 94 Process temperature simulation enabled

2 95 Reserved

1 96 Transmitter security switch enabled

0 97 Sensor module temperature simulation enabled

Coil Description

Reference Manual

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In addition, each dynamic variable has one byte of status accessible via a holding or floating point register. These dynamic variables include differential pressure, static pressure, process temperature and sensor module temperature. Each variable status reading consists of two parts: measurement quality and limit status. These variable statuses are found in the register map for holding and floating point registers.

Possible responses for measurement quality status

Good – Displays during normal device operation.

Poor Accuracy – Indicates the accuracy of the variable measurement has been compromised.

Example: The sensor module temperature sensor failed and is no longer compensating the differential pressure measurement.

Manual/Fixed – Indicates the variable reading has been set to a fixed, user-specified value and may not represent the actual process. This status is set if a variable reading is being simulated or if the Process Tem perature is set t o use a fixed va l u e.

Bad – Indicates the variable has failed. Example: The differential pressure sensor has failed.

Possible responses for measurement limit status

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Not Limited – Displays during normal device operation.

High Limited – Indicates the current variable reading has gone above the transmitter’s maximum possible reading and is no longer representative of the actual measurement.

Low Limited – Indicates that current variable reading has gone below the transmitter’s minimum possible reading and is no longer representative of the actual measurement.

Constant – Indicates the variable reading is set to a fixed value. Example: The variable has been left in fixed simulation mode.

4.1.10 Transmitter register maps

This section contains three register maps for the Rosemount 4088A. These maps include one for “Coils”, one for “Holding Parameters” and one for “Floating Point Parameters” (see “Modbus data types” on

page 58 for additional information). The maps are formatted according to Ta b l e 4 -9 . For a spreadsheet of

this register map, contact your local Emerson

Emerson.com/Rosemount

Table 4-9. Format for Modbus Register Maps

Column name Description

Access type

Indicates register number to be used to read specific parameter. Floating point registers can be read in 16-bit format and 32-bit format. Different sets of register numbers are defined for both formats.

Name of parameter; each parameter will have unique meaningful name to understand usage of the parameter.

Indicates access options when parameter is used from Modbus; valid options are:

1. RO - Parameter is read only.

2. RW - Parameter can be written when the transmitter Security switch is in the OFF position. Some parameters can be written regardless of the Security switch position. These parameters are noted in the register map.

™

representative or visit

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Description Gives the valid options for the parameter or the parameter’s engineering unit.

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Table 4-10. Coil Registers

Reference Manual

00809-0100-4088, Rev DB

0002 Master reset RW

0003 Calibration in progress RW

0004 Process temperature present RW

0031

0032

0033

0034

0050–0097 Transmitter status RO

0098

Restore differential pressure factory calibration

Restore static pressure factory calibration

Restore process temperature factory calibration

Reset callendar-van dusen to IEC 751 defaults

Enable differential pressure simulation

Access

type

Description

OFF = No action ON = Perform reset Coil can be written regardless of the transmitter Security switch state

The host is responsible for setting this flag; the device does not change the value. OFF = Calibration not in progress ON = Calibration in progress

OFF = Disabled (Fixed RTD mode) ON = Enabled (Normal/Backup mode)

OFF = No action ON = Reset differential pressure trims to factory default

OFF = No action ON = Reset static pressure trims to factory default

OFF = No action ON = Reset process temperature trims to factory default

OFF = No action ON = Reset Callendar-Van Dusen to IEC 751 defaults

See Table 4-8 on page 63 OFF = Status bit cleared ON = Status bit set

OFF = Simulation disabled ON = Simulation enabled

0099 Enable static pressure simulation RW

0100

0101

0102 Transmitter security switch status RO

Enable process temperature simulation

Enable sensor module temperature simulation

OFF = Simulation disabled ON = Simulation enabled

OFF = Disabled ON = Enabled

Table 4-11. Holding Registers

0001 Transmitter manufacturer RO 38 = Rosemount

0002 Legacy type code RO N/A

0003 Software revision RO N/A

0005–0006 Sensor module serial number RO N/A

0007–0008 Electronics board serial number RO N/A

0009 Hardware revision RO N/A

0010 Modbus revision RO N/A

Access

type

Description

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Table 4-11. Holding Registers

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0011 Static pressure sensor type RO

0012 Sensor module configuration RO

0013 Sensor module type RO

0014 Device configuration RO

0015 Device model RO

Access

type

Description

0 = Gage pressure sensor 1 = Absolute pressure sensor

0 = Standard coplanar (C) 1 = Standard threaded (T) 2 = Level coplanar (L) 3 = Reference class coplanar (P) 4 = High temperature conventional (H) 252 = Unknown

0 = Differential pressure (DP) 1 = Gage pressure (GP) 2 = Absolute pressure (AP) 6 = DP with AP high side static pressure 7 = DP with GP high side static pressure 253 = Custom

Bit 0 = DP sensor installed Bit 1 = AP pressure installed Bit 2 = GP pressure installed Bit 3 = PT sensor installed Bit 4 = LCD display installed Bit 5 = 4088 mode B Bit 6 = N/A Bit 7 = N/A

0x2668 1st byte is manufacture id (RMT = 26 Hex) 2nd byte is device type (68 Hex)

0016 Device address RW Valid addresses are 1-239

0 = 0 1 = 1 2 = 2

0017 Differential pressure sensor range RO

0018 Static pressure sensor range RO

0019 Temperature sensor range code RO 3 = -200 to 850 °C

0020 Isolating diaphragm material RO

3 = 3 4 = 4 5 = 5 10 = A (extended range) 253 = Special

0 = 0 1 = 1 2 = 2 3 = 3 4 = 4 5 = 5 6 = 6 7 = 7 253 = Special

2 = 316L Stainless Steel 3 = Alloy C-276 4 = Alloy 400 5 = Tantalum 15 = Gold-plated Alloy 400 34 = Gold-plated 316L SST 35 = Gold-plated Alloy C-276 253 = Special

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Table 4-11. Holding Registers

Reference Manual

00809-0100-4088, Rev DB

Access

type

0021 Sensor module fill fluid RO

0022 Process connection material RW

0023 Process connection style RW

Description

1 = Silicone 2 = Inert 7 = Neobee 252 = Unknown 253 = Special

0 = Carbon Steel 2 = 316 Stainless Steel 3 = Cast C-276 4 = Alloy 400 30 = Alloy C-276 252 = Unknown 253 = Special

12 = Conventional (traditional) 13 = Coplanar 14 = Remote seal 15 = Level; 3-in., 150 lb 16 = Level; 4-in., 150 lb 17 = Level; 3-in., 300lb 18 = Level; 4-in., 300 lb 19 = Level; DN 80, PN 40 20 = Level; DN 100, PN 40 21 = Level; DN 100, PN 10/16 22 = Level; 2-in., 150 lb 23 = Level; 2-in., 300 lb 24 = Level; DN 50, PN 6 25 = Level; DN 50, PN 40 44 = 45 = DIN16288G 46 = 240 = Auto clave F-250-C 241 = Tri Clamp 242 = Fractional line fit 243 = 1/8-in., NPTF 244 = VCR 245 = PMC 246 = Traditional RC 247 = Traditional RC 1/2 252 = Unknown 253 = Special

M-20

/2-in., NPTF

/4-in., NPTF

/2 A male

0024 Drain/vent valve material RW

0025 O-Ring material RW

0 = Carbon Steel 2 = 316 Stainless Steel 3 = Cast C-276 4 = Alloy 400 30 = Alloy C-276 251 = None 252 = Unknown 253 = Special

10 = PTFE 11 = Viton

12 = Buna-N 13 = Ethyl propionate 36 = PTFE glass 37 = PTFE graphite 251 = None 252 = Unknown 253 = Special

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Table 4-11. Holding Registers

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0026 Remote seal type RW

0027 Remote seal fill fluid RW

0028

Remote seal isolating diaphragm material

Access

type

Description

2 = CTW 3 = EFW 4 = PFW 5 = RFW 6 = RTW 7 = SCW 8 = SSW 9 = High temperature 10 = FFW 11 = UCW 12 = TSW 13 = NWSP 14 = SSAP 15 = SSHP 16 = TFS 251 = None 252 = Unknown 253 = Special

2 = Silicone oil 3 = SYLTHERM 4 = Inert 5 = Glycerin H2O 6 = Propylene glycol/H 7 = Neobee M-20 8 = SYLTHERM XLT 9 = Dioctyl phthalate 10 = Dow Corning 11 = Therminol 66 12 = D.C. Silicone 210H 13 = Distilled water 14 = D.C. Silicone 200 15 = D.C. Silicone 705 251 = None 252 = Unknown 253 = Special

2 = 316 Stainless Steel 3 = Alloy C-276 4 = Alloy 400 5 = Tantalum 9 = Co-Cr-Ni 34 = PTFE-coated 316L SST 240 = Nickel 201 251 = None 252 = Unknown 253 = Special

™

800

D.C. Silicone® 704

1 = One seal 2 = Two seals

0029 Number of remote seals RW

0030–0031 Date RW DDMMYY

0032–0035 Ta g RW

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250 = Not used 251 = None 252 = Unknown 253 = Special

This field can hold numbers, symbols, upper-case letters (8 characters)

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Table 4-11. Holding Registers

Reference Manual

00809-0100-4088, Rev DB

0036–0043 Description RW

0044–0059 Message RW

0060 Differential pressure units RW 1 = inH2O @ 60 °F

0061 Static pressure units RW

0062 Process temperature units RW

0063 Sensor module temperature units RW

0064

0065 Differential pressure variable Status RO

0066 Static pressure variable status RO

0067 Process temperature variable status RO

0084 Configuration change counter RO N/A

Sensor module temperature variable status

Access

type

Description

This field can hold numbers, symbols, upper-case letters (16 characters)

This field can hold numbers, symbols, upper-case letters (32 characters)

2 = Pa 3 = kPa 4 = MPa 5 = psi 6 = inH 7 = bar 8 = mbar 9 = g/cm 10 = kg/cm 11 = inHg 12 = ftH 13 = torr 14 = atm 15 = mmH 16 = mmHg 238 = inH2O @ 4 °C 239 = mmH

20 = °C 21 = °F

Status format: Measurement quality - Limit status 0x00 = Bad - Not limited 0x10 = Bad - Low limited 0x20 = Bad - High limited 0x30 = Bad - Constant 0x40 = Poor accuracy - Not limited 0x50 = Poor accuracy - Low limited 0x60 = Poor accuracy - High limited 0x70 = Poor accuracy - Constant 0x80 = Manual/Fixed - Not limited 0x90 = Manual/Fixed - Low limited 0xA0 = Manual/Fixed - High limited 0xB0 = Manual/Fixed - Constant 0xC0 = Good - Not limited 0xD0 = Good - Low limited 0xE0 = Good - High limited 0xF0 = Good - Constant

O @ 68 °F

O @ 4 °C

0116 Differential pressure scaled integer RO N/A

0117 Static pressure scaled integer RO N/A

0118 Process temperature scaled integer RO N/A

0119–0121 Transmitter status RO See Tab le 4 -8.

0125 Maximum scale value RW N/A

0126 LCD display scroll time RW Value given in seconds

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Table 4-11. Holding Registers

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0127–0128 Display options RW

0131 Turnaround delay time (ms) RW N/A

0132 Floating byte transmission order RW

0133 Baud rate RW

Access

type

Description

Bit 0 = Differential pressure Bit 1 = Absolute pressure Bit 2 = Process temperature Bit 3 = Baud rate Bit 4 = Gage pressure Bit 5 = Sensor module temperature Bit 7 = Device address Bit 8 = Parameter 1 Bit 9 = Parameter 2 Bit 10 = Parameter 3 Bit 11 = Parameter 4 Bit 12 = Parameter 5 Bit 13 = Parameter 6 Bit 16 = Variable 1 Bit 17 = Variable 2 Bit 18 = Variable 3

0 = FORMAT 0 1 = FORMAT 1 2 = FORMAT 2 3 = FORMAT 3

1 = 1200 2 = 2400 3 = 4800 4 = 9600 5 = 19200

0134 Temperature mode RW

0135 Temperature sensor type RW

0145 Modbus port framing error count RO N/A

0147 Modbus port overrun error count RO N/A

0148 Modbus port CRC error count RO N/A

0150 Modbus port good message count RO N/A

0188

0189

0190

0191

0192

0193

0198 Differential pressure scale factor RW N/A

Differential pressure minimum scaled integer value

Static pressure minimum scaled integer value

Static pressure maximum scaled integer value

Process temperature minimum scaled integer value

Process temperature maximum scaled integer value

RW N/A

0 = Fixed 1 = Normal 2 = Backup

0 = 4-wire RTD sensor 1 = 3-wire RTD sensor

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Table 4-11. Holding Registers

Reference Manual

00809-0100-4088, Rev DB

0199 Differential pressure scale offset RW N/A

0200 Static pressure scale factor RW N/A

0201 Static pressure scale offset RW N/A

0202 Process temperature scale factor RW N/A

0203 Process temperature scale offset RW N/A

0204 Integer scaling method RW

0207–0211 User-Defined Parameter 1 label RW ISO-Latin-1 (10 characters)

0212–0214 User-Defined parameter 1 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0215–0219 User-Defined parameter 2 label RW ISO-Latin-1 (10 characters)

0220–0222 User-Defined parameter 2 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0223–0227 User-Defined parameter 3 label RW ISO-Latin-1 (10 characters)

0228–0230 User-Defined parameter 3 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0231–0235 User-Defined parameter 4 label RW ISO-Latin-1 (10 characters)

0236 Reserved N/A N/A

0237–0239 User-Defined parameter 4 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0240 Reserved N/A N/A

0241–0245 User-Defined parameter 5 label RW ISO-Latin-1 (10 characters)

Access

type

Description

0 = Disabled 1 = Entered endpoints 2 = Entered scale factor and offset

0246–0248 User-Defined parameter 5 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0249–0253 User-Defined parameter 6 label RW ISO-Latin-1 (10 characters)

0254–0256 User-Defined parameter 6 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0257–0261 User-Defined variable 1 label RW ISO-Latin-1 (10 characters)

0262–0264 User-Defined variable 1 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0265–0269 User-Defined variable 2 label RW ISO-Latin-1 (10 characters)

0270–0272 User-Defined variable 2 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0273–0277 User-Defined variable 3 label RW ISO-Latin-1 (10 characters)

0278–0280 User-Defined variable 3 units RW ISO-Latin-1 (5 characters, the last byte is truncated)

0281–0296 Long tag RW ISO-Latin-1 (32 characters)

0297–0312 Model number 1 RW

0313–0328 Model number 2 RW

0329–0344 Model number 3 RW

This field can hold numbers, symbols, and upper-case letters (32 characters)

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Table 4-11. Holding Registers

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0345–0360 Model number 4 RW

0361–0362 Transmitter serial number RW N/A

Access

type

Description

This field can hold numbers, symbols, and upper-case letters (32 characters)

Table 4-12. Floating Point Registers

0397–0398 Byte 0

0397–0398 Byte 1

0397–0398 Byte 2

0397–0398 Byte 3

0399–0400 7400 Sensor module temperature RO Sensor module temperature units

0401–0402 7401 Differential pressure RO Differential pressure units

7399 Byte 0

7399 Byte 1

7399 Byte 2

7399 Byte 3

Access

Sensor module temperature variable status

Differential pressure variable status RO

Static pressure variable status RO

Process temperature variable status RO

type

Units

Each byte is independent and can take on values of: Status format: Measurement quality - Limit status 0x00 = Bad - Not limited 0x10 = Bad - Low limited 0x20 = Bad - High limited 0x30 = Bad - Constant 0x40 = Poor accuracy - Not limited 0x50 = Poor accuracy - Low limited 0x60 = Poor accuracy - High limited 0x70 = Poor accuracy - Constant 0x80 = Manual/Fixed - Not limited 0x90 = Manual/Fixed - Low limited 0xA0 = Manual/Fixed - High limited 0xB0 = Manual/Fixed - Constant 0xC0 = Good - Not limited 0xD0 = Good - Low limited 0xE0 = Good - High limited 0xF0 = Good - Constant

0403–0404 7402 Static pressure RO Static pressure units

0405–0406 7403 Process temperature RO Process temperature units

0407–0410 7404–7405 Transmitter status RO Table 4-8 on page 63

0413–0414 7407

0415–0416 7408

0417–0418 7409 Differential pressure upper alert limit RW Differential pressure units

0419–0420 7410 Differential pressure lower alert limit RW Differential pressure units

0421–0422 7411

0423–0424 7412

0425–0426 7413 Static pressure upper alert limit RW Static pressure units

0427–0428 7414 Static pressure lower alert limit RW Static pressure units

0429–0430 7415

Communication

Differential pressure upper sensor limit

Differential pressure lower sensor limit

Static pressure upper sensor limit (for installed sensor)

Static pressure lower sensor limit (for installed sensor)

Process temperature upper sensor limit

RO Differential pressure units

RO Static pressure units

RW Process temperature units

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Table 4-12. Floating Point Registers

Reference Manual

00809-0100-4088, Rev DB

0431–0432 7416

0433–0434 7417 Process temperature upper alert limit RW Process temperature units

0435–0436 7418 Process temperature lower alert limit RW Process temperature units

0437-0438 7419 Differential pressure lower trim RW Differential pressure units

0439–0440 7420 Differential pressure upper trim RW Differential pressure units

0441–0442 7421 Differential pressure damping RW Seconds

0443–0444 7422 Static pressure lower trim RW Static pressure units

0445–0446 7423 Static pressure upper trim RW Static pressure units

0447–0448 7424 Static pressure damping RW Seconds

0449–0450 7425 Process temperature lower trim RW Process temperature units

0451–0452 7426 Process temperature upper trim RW Process temperature units

0453–0454 7427 Process temperature damping RW Seconds

0455–0456 7428 Backup/fixed process temperature RW Process temperature units

0457–0458 7429 Sensor module temperature RO Sensor module temperature units

0469–0470 7435

0471–0472 7436

0473–0474 7437

0475–0476 7438

0477–0478 7439

0479–0480 7440

0481–0482 7441

0483–0484 7442

0485–0486 7443

0487–0488 7444

0489–0490 7445

0491–0492 7446

Process temperature lower sensor limit

Integer scaling: differential pressure minimum process variable

Integer scaling: Differential pressure maximum process variable

Integer scaling: Static pressure minimum process variable

Integer scaling: Static pressure maximum process variable

Integer scaling: Process temperature minimum process variable

Integer scaling: Process temperature maximum process variable

Process temperature Callendar-Van Dusen “A”

Process temperature Callendar-Van Dusen “B”

Process temperature Callendar-Van Dusen “C”

Process temperature Callendar-Van Dusen “R0”

Sensor module temperature upper sensor limit

Sensor module temperature lower sensor limit

Access

type

RW Process temperature units

RW Differential pressure units

RW Static pressure units

RW Process temperature units

RW N/A

RW Ohms

Units

RO Sensor module temperature units

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Table 4-12. Floating Point Registers

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April 2018

0493–0494 7447

0495–0496 7448

0497–0498 7449

0499–0500 7450

0501–0502 7451 Absolute pressure RO Static pressure units

0503–0504 7452 Gage pressure RO Static pressure units

0505–0506 7453 User-defined atmospheric pressure RW Static pressure units

0507–0508 7454 Differential pressure low dp cutoff RW Differential pressure units

0509–0510 7455 User-defined parameter 1 value RW User-defined

0511–0512 7456 User-defined parameter 2 value RW User-defined

0513–0514 7457 User-defined parameter 3 value RW User-defined

0515–0516 7458 User-defined parameter 4 value RW User-defined

0517–0518 7459 User-defined parameter 5 value RW User-defined

Sensor module temperature lower alert limit

Sensor module temperature upper alert limit

Static pressure lower sensor limit (offset by atmospheric pressure)

Static Pressure upper sensor limit (offset by atmospheric pressure)

Access

type

RW Sensor module temperature units

Units

RO Static pressure units

0519–0520 7460 User-defined parameter 6 value RW User-defined

0521–0522 7461 User-defined variable 1 value RW

0523–0524 7462 User-defined variable 2 value RW

0525–0526 7463 User-defined variable 3 value RW

0527–0528 7464 Differential pressure device reading 1 RO Differential pressure units

0529–0530 7465

0531–0532 7466 Differential pressure device reading 2 RO Differential pressure units

0533–0534 7467

0535–0536 7468 Differential pressure device reading 3 RO Differential pressure units

0537–0538 7469

0539–0540 7470 Differential pressure device reading 4 RO Differential pressure units

0541–0542 7471

Differential pressure verification reference point 1

Differential pressure verification reference point 2

Differential pressure verification reference point 3

Differential pressure verification reference point 4

RW Differential pressure units

0543–0544 7472 Differential pressure device reading 5 RO Differential pressure units

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Table 4-12. Floating Point Registers

Reference Manual

00809-0100-4088, Rev DB

0545–0546 7473

0547–0548 7474 Differential pressure device reading 6 RO Differential pressure units

0549–0550 7475

0551–0552 7476 Static pressure device reading 1 RO Static pressure units

0553–0554 7477

0555–0556 7478 Static pressure device reading 2 RO Static pressure units

0557–0558 7479

0559–0560 7480 Static pressure device reading 3 RO Static pressure units

0561–0562 7481

0563–0564 7482 Static pressure device reading 4 RO Static pressure units

0565–0566 7483

Differential pressure verification reference point 5

Differential pressure verification reference point 6

Static pressure verification reference point 1

Static pressure verification reference point 2

Static pressure verification reference point 3

Static pressure verification reference point 4

Access

type

RW Differential pressure units

RW Static pressure units

Units

0567–0568 7484 Static pressure device reading 5 RO Static pressure units

0569–0570 7485

0571–0572 7486 Static pressure device reading 6 RO Static pressure units

0573–0574 7487

0575–0576 7488 Process temperature device reading 1 RO Process temperature units

0577–0578 7489

0579–0580 7490 Process temperature device reading 2 RO Process temperature units

0581–0582 7491

0583–0584 7492 Process temperature device reading 3 RO Process temperature units

0585–0586 7493

0587–0588 7494 Process temperature device reading 4 RO Process temperature units

0589–0590 7495

0591–0592 7496 Process temperature device reading 5 RO Process temperature units

0593–0594 7497

Static pressure verification reference point 5

Static pressure verification reference point 6

Process temperature verification reference point 1

Process temperature verification reference point 2

Process temperature verification reference point 3

Process temperature verification reference point 4

Process temperature verification reference point 5

RW Static pressure units

RW Process temperature units

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Table 4-12. Floating Point Registers

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April 2018

0595–0596 7498 Process temperature device reading 6 RO Process temperature units

0597–0598 7499

0599–0600 7500 Differential pressure offset RW Differential pressure units

0601–0602 7501 Differential pressure minimum span RO Differential pressure units

0613–0614 7507 Process temperature offset RW Process temperature units

0615–0616 7508 Process temperature minimum span RO Process temperature units

0627–0628 7514 Static pressure offset RW Static pressure units

0629–0630 7515 Static pressure minimum span RO Static pressure units

0641–0642 7521 Simulate differential pressure RW Differential pressure units

0643–0644 7522 Simulate static pressure RW Static pressure units

0645–0646 7523 Simulate process temperature RW Process temperature units

0647–0648 7524 Simulate sensor module temperature RW Sensor module temperature units

0651–0652 7526

Process temperature verification reference point 6

Sensor module temperature minimum span

Access

type

RW Process temperature units

Units

RO Sensor module temperature units

4.2 Rosemount 4088B ROC communications

The Rosemount 4088B is designed to provide a seamless transition from the legacy MVS205 sensor. It has been designed to be used with the ROCLINK launched through OpenEnterprise Field Tools) to configure and (if necessary) calibrate the Rosemount 4088B.

For further information on the FloBoss

 FloBoss 107 Flow Manager Instruction Manual (part D301232X012)  ROCLINK

800 Configuration Software User Manual (for FloBoss 107) (part D301249X012)

™

107, refer to:

For further information on the ROC800-Series devices, refer to:

 ROC800-Series Remote Operations Controller Instruction Manual (part D301217X012)  DL8000 Preset Controller Instruction Manual (part D301244X012)  ROCLINK 800 Configuration Software User Manual (for ROC800-Series)

(part D301250X012)

 ROCLINK 800 Configuration Software User Manual (for DL8000) (part D301259X012)  ROCLINK 800 Configuration Software User Manual (for ROC800L) (part D301246X012)

For further information on communication protocols, refer to:

 For the FloBoss 107: ROC Protocol Specifications Manual (part D301053X012)  For the ROC800-Series: ROC Plus Protocol Specifications Manual (part D301180X012)  For the DL8000: Preset Protocol Specifications Manual (part D301254X012)  For the ROC800L: ROC800L Protocol Specifications Manual (part D301659X012)

™

800 configuration software (either by itself or

Communication

April 2018

4.3 Rosemount 4088B BSAP communications

Depending on system setup, the ControlWave™ application may need to be modified to work with the Rosemount 4088B Transmitter.

Note

This section assumes familiarity with ControlWave Designer and the user knows how to edit ControlWave Designer projects and download a ControlWave project into the ControlWave. If unfamiliar with these topics, see Getting Started with ControlWave Designer part D301416X012, the online help in ControlWave Designer, and the ControlWave Designer Programmer’s Handbook part D301426X012. For information on TechView, see the TechView User’s Guide part D301430X012. For information on OpenEnterprise Field Tools, see the OE Field Tools Quick Start Guide part D301703X412.

When using TechView by itself (or launched through OpenEnterprise Field Tools) to communicate with one or more Rosemount 4088B transmitters that are connected to the RS-485 port of a ControlWave device, modify the ControlWave application to handle the direct communication with the transmitter(s) if any of the following are true:

 ControlWave is used as a data concentrator which collects data from the transmitter(s) which can then

be polled from a higher level controller or host computer

 Data from the transmitter(s) in the program logic is running in the ControlWave  The connection between the PC/laptop running TechView/Field Tools uses Ethernet instead of a serial

connection

Reference Manual

00809-0100-4088, Rev DB

In all of these cases, TechView communicates locally with the ControlWave device and the application running in the ControlWave device handles the direct connection to the Rosemount 4088B transmitter(s). The application must use the CLIENT function block to collect the appropriate list(s) from the Rosemount 4088B. For details on configuring the CLIENT function block, see the online help in ControlWave Designer.

If connecting serially to the ControlWave device without using data from the transmitters in the ControlWave application or using the ControlWave device as a data concentrator, remote access can be used to communicate through the ControlWave Micro port directly to the transmitter(s). This does not require application modification. Once communications are established with TechView, call up web pages or launch DataView to access particular lists.

4.3.1 Rosemount 4088B BSAP communications signals

Ta bl e 4 - 1 4 shows each of the lists that reside in the Rosemount 4088B. To use data from these lists in the

ControlWave project, the CLIENT function block needs to be configured to retrieve the lists. The LIST number to retrieve must be specified on the iiServerID parameter of the CLIENT function block.

Note

Some variables in the lists are identified for “3808 legacy support.” These variables are not functional and exist only for 3808 list compatibility.

Important

To collect dynamic process information (pressure, temperature) at a rate of up to once per second, only collect List 1 or List 101. Collect other lists only when specifically needed, otherwise data update rates for calculations may be slower.

Communication

Reference Manual

00809-0100-4088, Rev DB

Table 4-13. Control Bits Definitions

Control bit Description

Software write protection bit, signals with the LK bit are write protected when

MI Manual Inhibit - when set, this bit prevents the user from writing to the BSAP signal.

N/A Designates control bit that is not applicable.

Table 4-14. Rosemount 4088B BSAP Signal Information

MANUAL.LOCK.CFG is set to 1 and write enabled when set to 0. MANUAL.LOCK.CFG is writeable, via BSAP, over the local port only. This parameter has no impact on any other protocol.

Communication

April 2018

Access

List Index BSAP signal Name

1 1 PRESSURE.VAL.INP Pressure RO MI Value given in pressure units

1 2 STATIC.VAL.INP Static Pressure RO MI Value given in static pressure units

1 3 TEMP.VAL.INP

1 4 ESTTEMP.VAL.LIVE

1 5 ERRFLAGS

2 1 PRESSURE.UNITS. Pressure Units RW LK 0 = psi

2 2 STATIC.UNITS.

2 3 TEMP.UNITS.

2 4 TEMP.UNITS.

2 5 TAGNAME. Ta g RW LK

Process Tem pe ra tu re

Sensor Module Tem pe ra tu re

Tra n sm it te r Status

Static Pressure Units

Process Tem pe ra tu re Units

type

RO MI Value given in process temperature units

RO MI Value given in sensor module temperature units

RO None

RW LK

Control

bits

Description

Possible values are:

0.5 = No errors

0.53125 = Power failure

0.50390625 = Process temperature out of limit or process temperature sensor failure

0.53515625 = Power failure and process temperature out of limit or process temperature sensor failure

1 = kPa 2 = MPa 3 = mmH 4 = inH 5 = mmHg 6 = inHg 7 = mbar 8 = bar 9 = g/cm 10 = kg/cm 11 = ftH2O 12 = inH 13 = Pa 14 = torr 15 = atm 16 = inH2O @ 4 °C 17 = mmH

0 = °C 1 = °F

This field can hold numbers, symbols, and uppercase letters (8 characters).

O @ 60°F

O @ 68 °F

O @ 4 °C

Communication

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

Access

List Index BSAP signal Name

2 6 REV3508. N/A N/A MI 3808 legacy support

3 1 PRESSURE.SPAN.CAL

4 1 STATIC.SPAN.CAL

5 1 EXECUTE.CALIB.

5 2 MODBUS.CALIB.

6 1 PRESSURE.TARGET.

6 2 STATIC.TARGET.

7 1 TEMP.OFFSET.CFG N/A N/A LK 3808 legacy support

8 1 A.USER.CAL

8 2 B.USER.CAL

Pressure Upper Tri m

Static Pressure Upper Trim

Calibration command

Calibration in progress

Pressure upper trim point

Static pressure upper trim point

Process temperature Callendar-Van Dusen “A”

Process temperature Callendar-Van Dusen “B”

type

RW None

RW LK

RW LK Value given in pressure units

RW LK Value given in static pressure units

RW LK N/A

Control

bits

Description

User-entered pressure during 2-point span trim in pressure units

User-entered pressure during 2-point SP span trim in static pressure units

0 = No operation 1 = Dp zero 2 = Dp span. Input is PRESSURE.SPAN.CAL 3 = Sp zero 4 = Sp span. Input is STATIC.SPAN.CAL 5 = RTD zero (expects 100 ohm resistor on RTD) 6 = RTD span (expects 300 ohm resistor on RTD)

The host is responsible for setting this flag; the device does not change the value. OFF = Calibration not in progress ON = Calibration in progress

8 3 R0.USER.CAL

9 1 TEMP.SPAN.CAL

Process temperature Callendar-Van Dusen “R0”

Process temperature Upper Trim Point

RW LK N/A

RW LK Value given in process temperature units

Communication

Reference Manual

00809-0100-4088, Rev DB

Table 4-14. Rosemount 4088B BSAP Signal Information

Communication

April 2018

Access

List Index BSAP signal Name

10 1 PRESSURE.UNITS. Pressure units RW LK 0 = psi

10 2 STATIC.UNITS.

10 3 TEMP.UNITS.

10 4 OUTPUT.SOURCE. N/A N/A None 3808 legacy support

10 5 OUTPUT.VAL.EXT N/A N/A None 3808 legacy support

10 6 OUTPUT.VAL.LRV N/A N/A None 3808 legacy support

10 7 OUTPUT.VAL.URV N/A N/A None 3808 legacy support

10 8 BSAP.ADDR.CFG

10 9 BSAP.GROUP.CFG

10 10 MODBUS.ADDR.CFG Device address RW LK Valid addresses are 1–239

Static pressure units

Process temperature units

BSAP Local address

EBSAP Group number

type

RW LK

Control

bits

Description

1 = kPa 2 = MPa 3 = mmH 4 = inH 5 = mmHg @ 0 °C 6 = inHg @ 0 °C 7 = mbar 8 = bar 9 = g/cm 10 = kg/cm 11 = ftH2O @ 68 °F 12 = inH 13 = Pa 14 = torr 15 = atm 16 = inH2O @ 4 °C 17 = mmH

0 = °C 1 = °F

BSAP local address of the transmitter (1–126)

EBSAP group number (0–127) - leave at 0 unless using EBSAP

O @ 68 °F

O @ 60 °F

O @ 68 °F

O @ 4 °C

10 11 MODBUS.MODE.CFG N/A N/A MI 3808 legacy support

485 port baud rate: 1200

10 12 BAUDRATE.CFG. Baud rate RW LK

10 13 RTS.DELAY.CFG

10 14 TEMP.VAL.DAMP

10 15 A.USER.CAL

Communication

Turnaround delay time (ms)

Process temperature damping

Process temperature Callendar-Van Dusen “A”

RW None N/A

RW None Value given in seconds

RW LK N/A

2400 4800 9600 19200

Communication

Fail to mode TEMP.MODE TEMP.FAIL FIXED value 0 0 Backup value when RTD fails 1 1 Normal RTD operation 1 2

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

Access

List Index BSAP signal Name

Process

10 16 B.USER.CAL

10 17 R0.USER.CAL

10 18 RTD.ZERO.CAL N/A N/A LK 3808 legacy support

10 19 PRESSURE.VAL.DAMP

10 20 STATIC.VAL.DAMP

10 21 PRESSURE.VAL.LRV

10 22 PRESSURE.VAL.URV

10 23 TEMP.VAL.LRV

10 24 TEMP.VAL.URV

10 25 STATIC.VAL.LRV

10 26 STATIC.VAL.URV

10 27 OUTPUT.FAIL. N/A N/A None 3808 legacy support

temperature Callendar-Van Dusen “B”

Process temperature Callendar-Van Dusen “R0”

Pressure damping

Static pressure damping

Pressure lower alert limit

Pressure upper alert limit

Process temperature lower alert limit

Process temperature upper alert limit

Static pressure lower alert limit

Static pressure upper alert limit

type

RW LK N/A

RW None Value given in seconds

RW LK Value given in pressure units

RW LK Value given in process temperature units

RW LK Value given in static pressure units

Control

bits

Description

When TEMP.FAIL is written, the following values will be automatically loaded into TEMP.MODE:

10 28 TEMP.FAIL.

10 29 TEMP.FAIL.CFG

10 30 BSAP.ANYADR.CFG

10 31 TEMP.OFFSET.CFG N/A N/A LK 3808 legacy support

Tem pe ra tu re mode

Backup/Fixed process temperature

Local port response selectivity

RW LK

RW LK Value given in process temperature units

RW None

0 = Respond only for this transmitter’s address 1 = Respond to any address

Communication

Reference Manual

Fail to mode TEMP.MODE TEMP.FAIL FIXED value 0 0 Backup value when RTD fails 1 1

00809-0100-4088, Rev DB

Table 4-14. Rosemount 4088B BSAP Signal Information

Communication

April 2018

Access

List Index BSAP signal Name

10 32 MANUAL.LOCK.CFG

10 33 CU.SEL.CFG N/A N/A LK 3808 legacy support

10 34 CU.LRV.CFG N/A N/A LK 3808 legacy support

10 35 CU.URV.CFG N/A N/A LK 3808 legacy support

10 36 STATIC.LRLADJ.CFG N/A N/A None 3808 legacy support

10 37 STATIC.MODE. Static mode RW None

10 38 TEMP.MODE.

BSAP write protection

Process temperature present

type

RW None

RW LK

Control

bits

Description

BSAP write protection 0 = Write enabled 1 = Write protected When set to 1, BSAP signals, with the LK in the signal control bits, are write-protected over the network port only. When set to 0, these signals are write-enabled. MANUAL.LOCK.CFG is writable, via BSAP, over the local port only.

If enabled, then AP displays on LCD display. 0 = Disabled 1 = Enabled

OFF = Disabled (Fixed RTD mode) ON = Enabled (Normal/Backup mode) When TEMP.MODE is written, the following value will be automatically loaded into TEMP.FAIL:

10 39 OUTPUT.ACTION. N/A N/A None 3808 legacy support

10 40 OUTPUT.MODE. N/A N/A None 3808 legacy support

10 41 PW. N/A RW MI+LK Password for write access to the transmitter via BSAP

10 42 TAGNAME.. Ta g RW LK

10 43 SENSOR.TYPE.CODE

11 1

11 2 STATIC.RESTR.DEF

11 3 TEMP.RESTR.DEF

80 1 PROGREV.. N/A N/A MI 3808 legacy support

80 2 PRESSURE.SPAN.CAL

PRESSURE.RESTR.DE F

Sensor module type

Restore pressure factory calibration

Restore static pressure factory calibration

Restore process temperature factory calibration

Pressure upper trim

RO MI

RW LK

RW None

This field can hold numbers, symbols, and uppercase letters (8 characters)

2 = Absolute (AP) 6 = DP with AP high side static pressure 7 = DP with GP high side static pressure 12 = Gage pressure (GP) 32 = Differential pressure (DP) 253 = Custom

OFF = No action ON = Reset pressure trims to factory default

OFF = No action ON = Reset static pressure trims to factory default

OFF = No action ON = Reset process temperature trims to factory default

User-entered pressure during 2-point span trim in pressure units

Communication

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

List Index BSAP signal Name

80 3 STATIC.SPAN.CAL

80 4 PRESSURE.VAL.LRV

80 5 PRESSURE.VAL.URV

80 6 TEMP.VAL.LRV

80 7 TEMP.VAL.URV

80 8 PRESSURE.VAL.LRL

80 9 PRESSURE.VAL.URL

80 10 STATIC.VAL.LRL

80 11 STATIC.VAL.URL

Static pressure upper trim

Pressure lower alert limit

Pressure upper alert limit

Process temperature lower alert limit

Process temperature upper alert limit

Pressure lower sensor limit

Pressure upper sensor limit

Static pressure lower sensor limit (for installed sensor)

Static pressure upper sensor limit (for installed sensor)

Access

type

RW None

RW LK Value given in pressure units

RW LK Value given in process temperature units

RO MI Value given in pressure units

RO MI Value given in static pressure units

Control

bits

Description

User-entered pressure during 2-point SP span trim in static pressure units

80 12 STATIC.VAL.LRV

80 13 STATIC.VAL.URV

80 14 PRESSURE.TARGET.

80 15 STATIC.TARGET.

80 16 SENSOR.BLOCK.NUM

80 17 BOARD.SERIAL.NUM

101 1 PRESSURE.VAL.INP Pressure RO MI Value given in pressure units

101 2 STATIC.VAL.INP Static pressure RO MI Value given in static pressure units

101 3 TEMP.VAL.INP

101 4 ESTTEMP.VAL.LIVE

Static pressure lower alert Limit

Static pressure upper alert limit

Pressure upper trim point

Static pressure upper trim point

Sensor module serial number

Electronics board serial number

Process temperature

Sensor module temperature

RW LK Value given in static pressure units

RW LK Value given in pressure units

RW LK Value given in static pressure units

RO MI Sensor module serial number

RO MI Electronics board serial number

RO MI Value given in process temperature units

RO MI Value given in sensor module temperature units

Communication

Reference Manual

Fail to mode TEMP.MODE TEMP.FAIL FIXED value 0 0 Backup value when RTD fails 1 1 Normal RTD operation 1 2

00809-0100-4088, Rev DB

Table 4-14. Rosemount 4088B BSAP Signal Information

Communication

April 2018

Access

List Index BSAP signal Name

101 5 ERRFLAGS..

101 6

101 7 PRESSURE.VAL.LIVE N/A N/A MI 3808 legacy support

101 8 STATIC.VAL.LIVE N/A N/A MI 3808 legacy support

101 9 TEMP.FAIL.

101 10 STATUS.OPTNS.

101 11 DP.STATUS.

101 12 SP.STATUS.

101 13 PT.STATUS.

101 14 ST.STATUS.

CONFIG.CHANGE.C NTRConfiguration

Tra n sm it te r status

change counter

Tem pe ra tu re mode

Device configuration

Differential pressure variable status

Static pressure variable status

Process temperature variable status

Sensor module temperature variable status

type

RO None

RO None Count of configuration/calibration changes received

RW LK

RO MI

Control

bits

Description

Possible values are:

0.5 = No errors

0.53125 = Power failure

0.50390625 = Process temperature out of limit or process temperature sensor failure

0.53515625 = Power failure and process temperature out of limit or process temperature sensor failure

When TEMP.FAIL is written, the following values will be automatically loaded into TEMP.MODE:

Sum of one or more of the following values: 1 = DP sensor installed 2 = AP pressure installed 4 = GP pressure installed 8 = PT sensor installed 16 = LCD display present 32 = 4088 mode B 64 = N/A 128 = N/A For example, 33 = DP sensor installed (1) plus 4088 Mode B (32)

Status Format: Measurement Quality - Limit Status 0 = Bad - Not limited 16 = Bad - Low limited 32 = Bad - High limited 48 = Bad - Constant 64 = Poor Accuracy - Not limited 80 = Poor Accuracy - Low limited 96 = Poor Accuracy - High limited 112 = Poor Accuracy - Constant 128 = Manual/Fixed - Not limited 144 = Manual/Fixed - Low limited 160 = Manual/Fixed - High limited 176 = Manual/Fixed - Constant 192 = Good - Not limited 208 = Good - Low limited 224 = Good - High limited 240 = Good - Constant

Communication

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

Access

List Index BSAP signal Name

102 1 PRESSURE.UNITS. Pressure units RW LK 0 = psi

102 2 STATIC.UNITS.

102 3 TEMP.UNITS.

102 4 TEMP.UNITS.

Static pressure units

Process temperature units

type

RW LK

Control

bits

Description

1 = kPa 2 = MPa 3 = mmH 4 = inH 5 = mmHg @ 0 °C 6 = inHg @ 0 °C 7 = mbar 8 = bar 9 = g/cm 10 = kg/cm 11 = ftH2O @ 68 °F 12 = inH 13 = Pa 14 = torr 15 = atm 16 = inH2O @ 4 °C 17 = mmH

0 = °C 1 = °F

O @ 68 °F

O @ 60 °F

O @ 68 °F

O @ 4 °C

102 5 TA GN AM E. . Ta g RW LK

102 6 REV3508.. N/A N/A MI 3808 legacy support

102 7 DESCRIP.USER.CFG Description RW LK

102 8 MESSAGE.USER.CFG Message RW LK

102 9 HART.LONG.TAG Long tag RW LK ISO-Latin-1 (32 characters)

102 10 XMT.TYPE.CFG Device model RO MI

Transmitter

102 11 HW.WRITE.PROT

102 12 ST.UNITS.

103 1 PRESSURE.SPAN.CAL

104 1 STATIC.SPAN.CAL

security switch status

Sensor module temperature units

Pressure upper trim

Static pressure upper trim

RO MI

RW LK

RW None

This field can hold numbers, symbols, and uppercase letters (8 characters)

This field can hold numbers, symbols, and uppercase letters (16 characters)

This field can hold numbers, symbols, and uppercase letters (32 characters)

9832 = 0x2668 hex 1st byte is manufacture id (RMT = 26 hex) 2nd byte is device type (68 hex)

OFF = Disabled ON = Enabled

0 = °C 1 = °F

User-entered pressure during 2-point span trim in pressure units

User-entered pressure during 2-point SP span trim in static pressure units

Communication

Reference Manual

00809-0100-4088, Rev DB

Table 4-14. Rosemount 4088B BSAP Signal Information

Communication

April 2018

Access

List Index BSAP signal Name

105 1 EXECUTE.CALIB.

105 2 MODBUS.CALIB.

106 1 PRESSURE.TARGET.

106 2 STATIC.TARGET.

107 1 TEMP.OFFSET.CFG N/A N/A LK 3808 legacy support

108 1 A.USER.CAL

108 2 B.USER.CAL

108 3 R0.USER.CAL

Calibration command

Calibration in progress

Pressure upper trim point

Static pressure upper trim point

Process temperature Callendar-Van Dusen “A”

Process temperature Callendar-Van Dusen “B”

Process temperature Callendar-Van Dusen “R0”

type

RW LK

RW LK Value given in pressure units

RW LK Value given in static pressure units

RW LK N/A

Control

bits

Description

0 = No Operation 1 = Dp zero 2 = Dp span. Input is PRESSURE.SPAN.CAL 3 = Sp zero 4 = Sp span. Input is STATIC.SPAN.CAL 5 = RTD zero (expects 100 ohm resistor on RTD) 6 = RTD span (expects 300 ohm resistor on RTD)

The host is responsible for setting this flag; the device does not change the value. OFF = Calibration not in progress ON = Calibration in progress

108 4 C.USER.CAL

109 1 TEMP.SPAN.CAL

109 2 USER.SPAN.CAL

Communication

Process temperature Callendar-Van Dusen “C”

Process temperature Upper Trim Point

Legacy calibration process temperature upper trim point

RW LK N/A

RW LK Value given in process temperature units

RO LK Value given in process temperature units

Communication

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

Access

List Index BSAP signal Name

110 1 PRESSURE.UNITS. Pressure units RW LK 0 = psi

110 2 STATIC.UNITS.

110 3 TEMP.UNITS.

110 4 OUTPUT.SOURCE. N/A N/A None 3808 legacy support

110 5 OUTPUT.VAL.EXT N/A N/A None 3808 legacy support

110 6 OUTPUT.VAL.URV N/A N/A None 3808 legacy support

110 7 OUTPUT.VAL.URV N/A N/A None 3808 legacy support

110 8 BSAP.ADDR.CFG

110 9 BSAP.GROUP.CFG

110 10 MODBUS.ADDR.CFG Device address RW LK Valid addresses are 1–239

110 11 MODBUS.MODE.CFG N/A N/A MI (3808 legacy support)

Static pressure units

Process temperature units

BSAP local address

EBSAP group number

type

RW LK

RW LK BSAP local address of the Rosemount 4088B (1–126)

RW LK

Control

bits

Description

1 = kPa 2 = MPa 3 = mmH 4 = inH 5 = mmHg @ 0 °C 6 = inHg @ 0 °C 7 = mbar 8 = bar 9 = g/cm 10 = kg/cm 11 = ftH2O @ 68 °F 12 = inH 13 = Pa 14 = torr 15 = atm 16 = inH2O @ 4 °C 17 = mmH

0 = °C 1 = °F

EBSAP group number (0–127). Leave at 0 unless using EBSAP

O @ 68 °F

O @ 60 °F

O @ 68 °F

O @ 4 °C

110 12 BAUDRATE.CFG. Baud rate RW LK

110 13 RTS.DELAY.CFG

110 14 TEMP.VAL.DAMP

110 15 A.USER.CAL

Turnaround delay time (ms)

Process temperature damping

Process temperature Callendar-Van Dusen “A”

RW None N/A

RW None Value given in seconds

RW LK N/A

485 port baud rate: 1200 2400 4800 9600 19200

Communication

Reference Manual

Fail to mode TEMP.MODE TEMP.FAIL FIXED value 0 0 Backup value when RTD fails 1 1 Normal RTD operation 1 2

00809-0100-4088, Rev DB

Table 4-14. Rosemount 4088B BSAP Signal Information

Communication

April 2018

Access

List Index BSAP signal Name

Process

110 16 B.USER.CAL

110 17 R0.USER.CAL

110 18 RTD.ZERO.CAL N/A N/A LK 3808 legacy support

110 19 PRESSURE.VAL.DAMP

110 20 STATIC.VAL.DAMP

110 21 PRESSURE.VAL.LRV

110 22 PRESSURE.VAL.URV

110 23 TEMP.VAL.LRV

110 24 TEMP.VAL.URV

110 25 STATIC.VAL.LRV

110 26 STATIC.VAL.URV

110 27 OUTPUT.FAIL. N/A N/A None 3808 legacy support

temperature Callendar-Van Dusen “B”

Process temperature Callendar-Van Dusen “R0”

Pressure damping

Static pressure damping

Pressure lower alert limit

Pressure upper alert limit

Process temperature lower alert limit

Process temperature upper alert limit

Static pressure lower alert limit

Static pressure upper alert limit

type

RW LK N/A

RW None Value given in seconds

RW LK Value given in pressure units

RW LK Value given in process temperature units

RW LK Value given in static pressure units

Control

bits

Description

When TEMP.FAIL is written, the following values will be automatically loaded into TEMP.MODE:

110 28 TEMP.FAIL.

110 29 TEMP.FAIL.CFG

110 30 BSAP.ANYADR.CFG

110 31 TEMP.OFFSET.CFG N/A N/A LK 3808 legacy support

Communication

Tem pe ra tu re mode

Backup/Fixed process temperature

Local port response selectivity

RW LK

RW LK Value given in process temperature units

RW None

0 = Respond only for this transmitter’s address 1 = Respond to any address

Communication

Fail to mode TEMP.MODE TEMP.FAIL FIXED value 0 0 Backup value when RTD fails 1 1

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

Access

List Index BSAP signal Name

110 32 MANUAL.LOCK.CFG

110 33 CU.SEL.CFG N/A N/A LK 3808 legacy support

110 34 CU.LRV.CFG N/A N/A LK 3808 legacy support

110 35 CU.URV.CFG N/A N/A LK 3808 legacy support

110 36 STATIC.LRLADJ.CFG N/A N/A None 3808 legacy support

110 37 STATIC.MODE. Static mode RW None

110 38 TEMP.MODE.

BSAP Write protection

Process temperature present

type

RW None

RW LK

Control

bits

Description

BSAP write protection 0 = Write enabled 1 = Write protected When set to 1, BSAP signals with a lock bit are write-protected over the network port only. When set to 0, these signals are write-enabled. MANUAL.LOCK.CFG is writable, via BSAP, over the local port only. Only the signals with LK in the Control Bits column can be locked.

If enabled, then AP displays on LCD display. 0 = Disabled 1 = Enabled

OFF = Disabled (Fixed RTD mode) ON = Enabled (Normal/Backup mode) When TEMP.MODE is written, the following value will be automatically loaded into TEMP.FAIL:

110 39 OUTPUT.ACTION. N/A N/A None 3808 legacy support

110 40 OUTPUT.MODE. N/A N/A None 3808 legacy support

110 41 PW.. N/A RW MI+LK

110 42 TAG NA M E. . Ta g RW LK

110 43 SENSOR.TYPE.CODE

110 44 C.USER.CAL

110 45 RTD.MIN.SPAN

110 46 TEMP.ZERO.CAL

Sensor module type

Process temperature Callendar-Van Dusen “C”

Process temperature minimum span

Process temperature lower trim point

RO MI

RW LK N/A

RO MI Value given in process temperature units

RW LK Value given in process temperature units

The password for write access to the transmitter via BSAP

This field can hold numbers, symbols, and uppercase letters (8 characters)

2 = Absolute pressure (AP) 6 = DP with AP high side static pressure 7 = DP with GP high side static pressure 12 = Gage pressure (GP) 32 = Differential pressure (DP) 253 = Custom

Communication

Reference Manual

00809-0100-4088, Rev DB

Table 4-14. Rosemount 4088B BSAP Signal Information

Communication

April 2018

Access

List Index BSAP signal Name

Differential

110 47 DP.CUTOFF.LOW

110 48 ATMOS.PRESS.

110 49 ST.URV.

110 50 ST.LRV.

110 51 ST.UNITS.

110 52 TXMITTER.FAIL. N/A N/A None 3808 legacy support

110 53 USER.ZERO.CAL

110 54 ST.MIN.SPAN

110 55

111 1

CONFIG.CHANGE. CNTR

PRESSURE.RESTR. DEF

pressure low dp cutoff

User-Defined atmospheric pressure

Sensor module temperature lower alert limit

Sensor module temperature upper alert limit

Sensor module temperature units

Legacy calibration process temperature lower trim point

Sensor module temperature minimum span

Configuration change counter

Restore pressure factory calibration

type

RW LK Value given in differential pressure units

RW LK Value given in static pressure units

RW LK Value given in sensor module temperature units

RW LK

RO LK Value given in process temperature units

RO MI Value given in sensor module temperature units

RO None Count of configuration/calibration changes received

RW LK

Control

bits

Description

0 = °C 1 = °F

OFF = No action ON = Reset pressure trims and calibrations to factory default

111 2 STATIC.RESTR.DEF

111 3 TEMP.RESTR.DEF

111 4 RESTR.CVD.COEF

112 1 BSAP.ADDR.CFG

112 2 BSAP.GROUP.CFG

112 3 BSAP.ANYADR.CFG

Communication

Restore static pressure factory calibration

Restore process temperature factory calibration

Reset Callendar-Van Dusen to IEC 751 defaults

BSAP Local address

EBSAP Group number

Local port response selectivity

RW LK

RW None

OFF = No action ON = Reset static pressure trims and calibrations to factory default

OFF = No action ON = Reset process temperature trims and calibrations to factory default

OFF = No action ON = Reset Callendar-Van Dusen to IEC 751 Defaults

BSAP local address of the transmitter (1–126)

EBSAP group number (0–127). Leave at 0 unless using EBSAP

0 = Respond only for this transmitter’s address 1 = Respond to any address

Communication

April 2018

Table 4-14. Rosemount 4088B BSAP Signal Information

Reference Manual

00809-0100-4088, Rev DB

Access

List Index BSAP signal Name

112 4 MODBUS.ADDR.CFG Device address RW LK Valid addresses are 1–239

112 5 RTS.MODE. N/A N/A None 3808 legacy support

112 6 RTS.DELAY.CFG

112 7 BAUDRATE.CFG. Baud rate RW LK

115 2 SET.CAL.TYPE Calibration type RW LK

115 3 SET.CAL.VAL

117 1 SP_AP.USER.VAL

117 2 SP_GP.USER.VAL Gage pressure RO MI Value given in static pressure units

117 3 STATIC.VAL.LIVE N/A N/A MI 3808 legacy support

Turnaround delay time (ms)

Calibration set value

Absolute pressure

type

RW None N/A

RW LK N/A

RO MI Value given in static pressure units

Control

bits

Description

485 port baud rate: 1200 2400 4800 9600 19200

0 - None 1 - Set lower trim 2 - Set upper trim 6 - Sensor setup 7 - Sensor restore

117 4 SP.STATUS.

119 1 ISOLAT.XMIT.CFG

119 2 FLUID.XMIT.CFG

Static pressure variable status

Isolating diaphragm material

Sensor module fill fluid

RO MI

RO LK

Status format: Measurement quality - Limit status 0 = Bad - Not limited 16 = Bad - Low limited 32 = Bad - High limited 48 = Bad - Constant 64 = Poor accuracy - Not limited 80 = Poor accuracy - Low limited 96 = Poor accuracy - High limited 112 = Poor accuracy - Constant 128 = Manual/Fixed - Not limited 144 = Manual/Fixed - Low limited 160 = Manual/Fixed - High limited 176 = Manual/Fixed - Constant 192 = Good - Not limited 208 = Good - Low limited 224 = Good - High limited 240 = Good - Constant

2 = 316L Stainless Steel 3 = Alloy C-276 4 = Alloy 400 5 = Tantalum 15 = Gold-plated Alloy 400 34 = Gold-plated 316L SST 35 = Gold plated Alloy C-276 253 = Special

1 = Silicone 2 = Inert 7 = Neobee 252 = Unknown 253 = Special

Communication

Rosemount 4088 MultiVariable Transmitter Manuals & Guides

Specifications and Main Features

Frequently Asked Questions

User Manual

Section 1 Introduction

1.1 Using this manual

1.2 Product recycling/disposal

Section 2 Configuration

2.1 Safety messages

2.2 Software installation and initial setup

2.3 Launching the configuration process

2.4 Basic device configuration

2.5 Detailed device configuration

2.6 Variable configuration

2.7 Menu trees and Field Communicator

2.8 Rosemount 4088A configuration with legacy tool

Section 3 Installation

3.1 Overview

3.2 Safety messages

3.3 Considerations

3.4 Steps required for quick installation

3.5 Rosemount 305, 306, and 304 Manifolds

Section 4 Communication

4.1 Rosemount 4088A Modbus communications

4.2 Rosemount 4088B ROC communications

4.3 Rosemount 4088B BSAP communications