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Emerson Rosemount OCX8800 User Manual

Emerson Rosemount OCX8800
306 pages
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Instruc t ion Man ual
Rev 1.3
IM-106-880C-OI
April 2017
Rosemount
TM
OCX8800 Oxygen and
Combustibles Transmitter
Hazardous Location Probe with Integral Electronics

Table of Contents

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Emerson Rosemount OCX8800 Specifications

General IconGeneral
BrandEmerson
ModelRosemount OCX8800
CategoryTransmitter
LanguageEnglish

Summary

Signal Words and Symbols

Safety Alert Symbol

Explains the purpose of the safety alert symbol used for hazard communication.

Signal Words Definitions

Defines DANGER, WARNING, CAUTION, and NOTICE used for hazard communication.

Essential Instructions

General Safety Instructions

Highlights critical instructions and warnings for safe product installation and operation.

Manual Purpose and Recommendations

Outlines the manual's scope and advises user familiarization for proper operation.

Definitions

Signal Word Definitions

Defines WARNING, CAUTION, and NOTE used throughout the publication for hazard communication.

Symbols

Illustration and General Use Notes

Provides notes on illustration numbering and general manual usage for safety and performance.

Section 1: Description and Specifications

Component Checklist

Lists items typically included in the transmitter package for verification.

System Overview

Provides a general understanding of the transmitter's scope and functionality.

Specifications

Details the technical specifications of the transmitter, including ranges and limits.

Product Matrix - Hazardous Area OCX 8800

Details product model codes, options, and configurations for ordering.

Section 2: Installation

Product Safety

Lists essential safety precautions for installation and operation.

Mechanical Installation

Covers procedures for selecting a location and mounting the transmitter.

Electrical Installation

Details wiring requirements and connections for power and communication.

Pneumatic Installation

Describes pneumatic system connections for reference air, calibration, and blowback.

Initial Startup

Provides initial startup procedures and cautions for the transmitter.

Section 3: Configuration and Startup

Verify Installation

Ensures correct mechanical and electrical installation before startup.

Initial Power Up

Outlines steps for powering up the transmitter and initial operating temperature.

Set Test Gas Values

Details how to set test gas values for calibration using HART or Fieldbus.

Calibration Solenoids

Explains how to configure calibration solenoids for automatic calibration.

Blowback Feature

Describes the blowback feature and its configuration for cleaning filters.

Calibration Verify Feature

Explains how to verify analyzer readings using calibration gases.

Calibration Tolerance Feature

Describes the feature that fails calibration if values are outside tolerances.

COe Purge/ Zero Feature

Details the feature to periodically flood the COe sensor with air for calibration.

OCX 8800 Reset Procedure

Provides procedures for resetting the device in case of faults or alarms.

Section 4: Using the LOI

Overview

Introduces the LOI module for installation and operation.

Display Orientation

Explains how to orient the LOI module for user convenience.

LOI Controls

Describes the LOI assembly, keys, and functions for user interaction.

Section 5: Calibration

Overview

Explains the calibration process and methods available for the transmitter.

Fully Automatic Calibration

Details how to set up automatic calibration using HART.

Operator - Initiated Autocalibration

Describes how an operator can initiate an automatic calibration.

Manual Calibration

Provides procedures for manual O2, COe, or combined calibration using the LOI or HART.

D/A Trim Procedures - LOI

Explains the O2 and COe D/A trim procedures using the LOI.

D/A Trim Procedures - HART

Details O2 and COe D/A trim procedures using HART communicator.

Section 6: Field Communicator

Overview

Introduces the 375 Field Communicator as an interface device.

Field Communicator Connections

Covers connections for HART and Fieldbus segments.

Off-Line and On-Line Operations

Explains how to operate the Field Communicator off-line and on-line.

Hart Menu Tree

Provides the menu structure for HART communication.

Fieldbus Menu Tree

Provides the menu structure for Fieldbus communication.

Section 7: Foundation Fieldbus

Foundation Fieldbus Technology

Introduces Foundation Fieldbus as a digital communication system.

Function Blocks

Describes the role and types of function blocks in Fieldbus devices.

Transducer Blocks

Explains how transducer blocks connect function blocks to I/O.

Network Communication

Details Fieldbus network concepts like Link Active Scheduler (LAS).

OCX Function Blocks

Lists OCX implemented function blocks such as AI, PID, ARTHM, ISEL.

Analog Input (AI) Function Block

Describes the AI function block, its parameters, and application examples.

Proportional/ Integral/Derivative (PID) Function Block

Details the PID block, its equations, modes, and application examples.

Arithmetic (ARTHM) Function Block

Explains the ARTHM block for range extension and compensation.

Input Selector (ISEL) Function Block

Describes the ISEL block for selecting input values.

Operation with Emerson DeltaV

Covers how to integrate the analyzer with DeltaV software.

Section 8: Troubleshooting

Overview

Introduces methods for identifying and isolating faults in the transmitter.

Diagnostic Alarms

Explains the alarm relay and diagnostic signals.

Fault Isolation

Provides a guide to identifying probable causes and corrective actions for faults.

Section 9: Maintenance and Service

Overview

Provides general procedures for maintaining and servicing the transmitter.

OCX 8800 Removal and Installation

Details procedures for removing and installing the transmitter.

Repair Sensor Housing

Outlines disassembly and reassembly of the sensor housing for component replacement.

Repair Electronics Housing

Details disassembly and reassembly of the electronics housing for component replacement.

Electronics Housing Assembly

Covers the assembly steps for the electronics housing components.

Replace Tube Fittings

Explains how to replace clogged or damaged tube fittings.

Section 10: Replacement Parts

Sensor Housing

Lists parts for the sensor housing with diagrams and part numbers.

Electronics Housing

Lists parts for the electronics housing with diagrams and part numbers.

O2 Cell and Heater Strut Assembly

Lists parts for the O2 cell and heater strut assembly.

Appendix A: Safety Data

Safety Instructions

Provides general safety instructions for wiring and installation, especially for EU member states.

Appendix B: SPA with HART Alarm

Overview

Introduces the SPA with HART Alarm option for the transmitter.

Description

Describes the SPA's functionality and connection to the OCX 8800.

Installation

Provides typical interface connections for the SPA and OCX 8800.

Setup

Details configuring SPA operating parameters via menu and calibration.

Appendix C: Returning Material

Returning Material

Provides procedures for returning material for repair or service.

Appendix D: Index

Manual Index

An alphabetical index of topics covered in the manual.

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