Emerson ROSEMOUNT OCX8800C Manual de usuario

Manual

00809-0500-4881, Rev AA

December 2022

Rosemount™ OCX8800C

Oxygen and Combustibles Analyzer for Hazardous Areas

Essential instructions

Read this page before proceeding!

Emerson designs, manufactures, and tests its products to meet many national and international standards. Because

these instruments are sophisticated technical products, you must properly install, use, and maintain them to ensure

they continue to operate within their normal specifications. You must adhere to the following instructions and

integrate them into your safety program when installing, using, and maintaining Emerson's Rosemount products.

Failure to follow the proper instructions may cause any one of the following situations to occur: loss of life, personal

injury, property damage, damage to this instrument, and warranty invalidation.

•Read all instructions prior to installing, operating, and servicing the product.

•If you do not understand any of the instructions, contact your Emerson representative for clarification.

•Follow all warnings, cautions, and instructions marked on and supplied with the product.

•Follow all instructions during the installation, operation, and maintenance of this product.

•To prevent personal injury, ensure that all components are in place prior to and during operation of this product.

•Inform and educate your personnel in the proper installation, operation, and maintenance of the product.

•Install equipment as specified in the installation instructions of the appropriate Quick Start Guide and per

applicable local and national codes. Connect all products to the proper electrical and pressure sources.

•Ensure that all connections to pressure and electrical sources are secure prior to and during equipment operation.

•If this reference manual is not the correct one, call 1-800-854-8257 or 949-757-8500 to request the correct

reference manual. Save this reference manual for future reference.

•To ensure proper performance, use qualified personnel to install, operate, update, program, and maintain the

product.

•When replacement parts are required, ensure that qualified people use replacement parts specified by Emerson.

Unauthorized parts and procedures can affect the product's performance, place the safe operation of your

process at risk, and VOID YOUR WARRANTY. Look-alike substitutions may result in fire, electrical hazards, or

improper operation.

•Ensure that all equipment doors are closed and protective covers are in place, except when maintenance is being

performed by qualified people, to prevent electrical shock and personal injury.

Note

The information contained in this document is subject to change without notice.

NOTICE

If a Field Communicator is used with this unit, the software within the Field Communicator may require modification.

If a software modification is required, please contact your local Emerson Service Group or National Response Center

at 1-800-654-7768.

WARNING

Physical access

Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users’

equipment. This could be intentional or unintentional and needs to be protected against.

Physical security is an important part of any security program and fundamental to protecting your system. Restrict

physical access by unauthorized personnel to protect end users’ assets. This is true for all systems used within the

facility.

Symbols

Earth (ground) terminal

Protective conducter terminal

Risk of electrical shock

Warning: Refer to Reference Manual.

Preface

The purpose of this manual is to provide information concerning the components, functions, installation, and

maintenance of the Rosemount OCX8800.

Emerson recommends that you thoroughly familiarize yourself with Description and specifications and Install before

installing your transmitter.

Description and specifications presents the basic principles of the transmitter along with its performance

characteristics and components. The remaining sections contain detailed procedures and information necessary to

install and service the transmitter.

Before contacting Emerson concerning any questions, first consult this manual. It describes most situations

encountered in your equipment's operation and details necessary action.

Definitions

The following definitions apply to warnings, cautions, and notes found throughout this publication.

WARNING

Highlights an operation or maintenance procedure, condition, statement, etc. that if not strictly observed, could result

in injury, death, or long-term health hazards of personnel.

CAUTION

Highlights an operation or maintenance procedure, practice, condition, statement, etc. that if not strictly observed,

could result in damage to or destruction of equipment or loss of effectiveness.

Note

Highlights an essential operating procedure, condition, or statement.

Notice

The contents of this publication are presented for informational purposes only, and while every effort has been made

to ensure their accuracy, they are not to be construed as warranties or guarantees, expressed or implied, regarding

the products or services described herein or their use or applicability. All sales are governed by Rosemount's terms

and conditions, which are available upon request. We reserve the right to modify or improve the designs or

specifications of such products at any time.

Rosemount does not assume responsibility for the selection, use, or maintenance of any product. Responsibility for

proper selection, use, and maintenance of any Rosemount product remains solely with the purchaser and end-user.

To the best of Rosemount's knowledge, the information herein is complete and accurate. Rosemount makes no

warranties, expressed or implied, including implied warranties of merchantability and fitness for a particular purpose,

with respect to this manual and, in no event, shall Rosemount be liable for any incidental, punitive, special, or

consequential damages including, but not limited to, loss of production, loss of profits, loss of revenue or use, and

costs incurred, including without limitation for capital, fuel and power, and claims of third parties.

Product names used herein are for manufacturer or supplier identification only and may be trademarks/registered

trademarks of these companies.

Rosemount and the Rosemount logo are registered trademarks of Rosemount. The Emerson logo is a trademark and

service mark of Emerson Electric Co.

Contents

Chapter 1 Description and specifications................................................................................. 9

1.1 Component checklist...................................................................................................................9

1.2 System overview........................................................................................................................11

1.3 Specifications............................................................................................................................. 22

1.4 Ordering information............................................................................................................... 25

Chapter 2 Install.........................................................................................................................27

2.1 Product safety............................................................................................................................27

2.2 Mechanical installation............................................................................................................. 28

2.3 Electrical installation................................................................................................................. 33

2.4 Pneumatic installation.............................................................................................................. 40

2.5 Initial start-up............................................................................................................................ 49

Chapter 3 Configuration and start-up.....................................................................................51

3.1 Verify installation.......................................................................................................................51

3.2 Initial power up..........................................................................................................................54

3.3 Setting test gas values..............................................................................................................55

3.4 Reset........................................................................................................................................... 56

3.5 Calibration solenoids................................................................................................................ 57

3.6 Blowback feature.......................................................................................................................57

3.7 Calibration verify feature..........................................................................................................59

3.8 Calibration tolerance feature...................................................................................................61

3.9 COe purge/zero feature........................................................................................................... 62

Chapter 4 Using the local operator interface (LOI)............................................................... 67

4.1 Display orientation....................................................................................................................67

4.2 Local operator interface (LOI) controls...................................................................................68

4.3 Local operator interface (LOI) menu tree...............................................................................71

4.4 D/A trim procedures................................................................................................................. 76

Chapter 5 Using HART® communications...............................................................................79

5.1 Overview.....................................................................................................................................79

5.2 Field Communicator signal connections................................................................................ 79

5.3 Field Communicator PC connections......................................................................................81

5.4 HART® menu tree...................................................................................................................... 82

5.5 D/A trim procedures................................................................................................................. 86

Chapter 6 Calibration................................................................................................................ 89

6.1 Overview.....................................................................................................................................89

6.2 Fully automatic calibration.......................................................................................................89

6.3 Operator-initiated autocalibration..........................................................................................91

Manual Contents

00809-0500-4881 December 2022

Rosemount OCX8800C 5

6.4 Manual calibration.................................................................................................................... 91

Chapter 7 Field Communicator................................................................................................ 99

7.1 Overview.....................................................................................................................................99

7.2 Field Communicator connections............................................................................................99

7.3 Fieldbus menu tree................................................................................................................. 102

Chapter 8 FOUNDATION™ Fieldbus........................................................................................107

8.1 FOUNDATION™ Fieldbus technology......................................................................................... 107

8.2 Network communication........................................................................................................111

8.3 Rosemount OCX8800 function blocks.................................................................................. 113

8.4 Resource block.........................................................................................................................114

8.5 Configure PlantWeb alert (PWA) simulation with the Field Communicator.................... 122

8.6 Transducer block.....................................................................................................................124

8.7 Transducer block enumerations........................................................................................... 133

8.8 Analog input (AI) function block............................................................................................140

8.9 Proportional/integral/derivative (PID) function block........................................................ 160

8.10 Arithmetic (ARTHM) function block.....................................................................................188

8.11 Advanced topics.................................................................................................................... 197

8.12 Input selector (ISEL) function block.................................................................................... 197

8.13 Operation with Emerson DeltaV™........................................................................................205

Chapter 9 Troubleshoot.......................................................................................................... 207

9.1 Overview...................................................................................................................................207

9.2 Diagnostic alarms....................................................................................................................210

9.3 Fault isolation.......................................................................................................................... 210

9.4 Alarm relay events.................................................................................................................. 228

Chapter 10 Maintenance and service...................................................................................... 231

10.1 Overview.................................................................................................................................231

10.2 Removal and installation......................................................................................................231

10.3 Repair sensor housing..........................................................................................................257

10.4 Repair electronics housing.................................................................................................. 286

10.5 Replace tube fittings.............................................................................................................295

Chapter 11 Replacement parts.................................................................................................299

11.1 Sensor housing......................................................................................................................299

11.2 Electronics housing...............................................................................................................304

11.3 O2 cell and heater strut assembly.......................................................................................308

Appendix A Safety data..............................................................................................................311

A.1 Safety instructions.................................................................................................................. 311

A.2 Safety data sheet for ceramic fiber products...................................................................... 313

A.3 High pressure gas cylinders.................................................................................................. 319

Appendix B Product certifications............................................................................................321

Contents Manual

December 2022 00809-0500-4881

6 Emerson.com/Rosemount

Appendix C SPA with HART® alarm.......................................................................................... 323

C.1 Description...............................................................................................................................323

C.2 Install........................................................................................................................................ 325

C.3 Setup.........................................................................................................................................326

Appendix D Returning material................................................................................................ 333

Manual Contents

00809-0500-4881 December 2022

Rosemount OCX8800C 7

Contents Manual

December 2022 00809-0500-4881

8 Emerson.com/Rosemount

1 Description and specifications

1.1 Component checklist

A typical Rosemount OCX8800 oxygen/combustibles transmitter package should

contain the items shown in Figure 1-1.

Check the model number of your Rosemount OCX8800 against the transmitter

features and options, making sure options specified by this number are on or

included with the unit. Use this complete model number for any correspondence

with Emerson.

Optional accessories provides a list of accessories for use with the Rosemount

OCX8800.

Manual Description and specifications

00809-0500-4881 December 2022

Rosemount OCX8800C 9

Figure 1-1: Typical System Package

A. Quick Start Guide

B. Adapter plate with mounting hardware and gasket

C. Reference air and calibration set (optional)

D. Blowback hardware (optional)

E. Rosemount OCX8800 with remote electronics

F. Rosemount OCX8800 with integral electronics

Description and specifications Manual

December 2022 00809-0500-4881

10 Emerson.com/Rosemount

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