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Rosemount 8732C User Manual

Rosemount 8732C
126 pages
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Model 8732C
Integral Mount
Magnetic
Flowmeter System
00809-0100-4725
English
Rev. BB

Table of Contents

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Rosemount 8732C Specifications

General IconGeneral
Measurement TypeVolumetric Flow
Measurement Range0.1 to 10 m/s
Power Supply24 VDC
Communication ProtocolHART
CategoryFlow Meter
Accuracy±0.5% of rate
Output Signal4-20 mA, HART
Process Temperature-40 to 150 °C (-40 to 302°F)
Pressure RatingLimited by the process connection
EnclosureAluminum
Enclosure RatingType 4X, IP66
DisplayOptional LCD
MaterialStainless Steel

Summary

Section 1 Introduction

Manual Scope

Defines the manual's purpose and scope for the Rosemount Model 8732C.

System Description

Explains the components and basic operation of the magnetic flowmeter system.

Safety Messages

Provides essential safety precautions for working with the flowmeter system.

Section 2 Installation

Introduction

Overview of the installation procedures for the Model 8732C.

Safety Messages

Highlights safety precautions relevant to installation procedures.

Pre-Installation Steps

Covers identifying options, configurations, and necessary preparations before installation.

Hardware Switches Configuration

Details the function and setting of hardware switches for the transmitter.

Mechanical Considerations

Discusses mounting site requirements and physical layout for the transmitter.

Electrical Considerations

Outlines standards and requirements for electrical connections and power supply.

Important User Notes

Provides critical notes regarding installation category, wire requirements, and disconnects.

Installation Procedures

Details the mechanical and electrical steps for installing the flowmeter system.

Flowtube Mounting and Piping

Covers flowtube mounting, calibration, and upstream/downstream piping requirements.

Flowtube Orientation

Explains vertical and horizontal installation guidelines for optimal performance.

Grounding Procedures

Details grounding methods for Model 8705 flowtubes to ensure accurate measurements.

Power Connections

Provides step-by-step instructions for connecting the transmitter to the power source.

Quick Start-Up Guide

Outlines the essential parameters required for initiating basic flowmeter system start-up.

Installation Check and Guide

Offers a guide to check new installations and diagnose potential malfunctions.

Process Leak Containment

Describes the standard configuration for containing process fluid within the flowtube housing.

Section 3 Local Operator Interface

The Local Operator Interface (LOI)

Introduces the LOI as a communications center for transmitter functions.

Safety Messages

Highlights safety precautions specific to the LOI operation.

LOI Features and Operation

Details the LOI display, keys, and their respective functions for parameter control.

Data Entry Procedures

Explains how to enter numerical and alphabetical data using the LOI keypad.

LOI Screen Flow Overview

Illustrates the navigation structure and available menus within the LOI.

Diagnostic Messages

Lists error messages displayed on the LOI and their corrective actions.

Section 4 Transmitter Functions

Introduction to Transmitter Functions

Overview of software functions for configuring transmitter output.

Safety Messages

Highlights safety precautions relevant to transmitter function configuration.

Review Variables

Guides on reviewing factory set configuration data for accuracy.

Basic Configuration Settings

Covers essential settings like Units, Line Size, and Upper Range Value.

Special Units Configuration

Explains how to configure custom units for volume, time, and flow rate.

Analog Output Configuration

Details how to set Upper and Lower Range Values for the 4-20 mA output.

4-20 mA Output Trim

Describes the procedure to calibrate and trim the analog output for system accuracy.

Digital Output Options

Covers pulse output scaling and auxiliary output control for signaling flow conditions.

Totalizer Configuration

Explains how to configure and manage flow totalization display and values.

Noise Reduction Techniques

Details methods like Damping, Coil Frequency, and Signal Processing for improving signal quality.

Calibration Procedures

Covers transmitter calibration, including Gain (Electronics) Trim.

Transmitter Information Configuration

Allows viewing and changing identification data for transmitter and flowtube.

Multidrop Communications

Explains connecting multiple transmitters on a single transmission line.

Section 5 Troubleshooting

Basic Troubleshooting Guide

Provides initial steps for diagnosing problems indicated by outputs or error messages.

Safety Messages for Troubleshooting

Highlights safety precautions to be observed during troubleshooting.

Advanced Troubleshooting Steps

Details advanced procedures for diagnosing persistent system problems.

Process Noise Issues

Addresses unstable meter output caused by process conditions and outlines basic procedures.

Software Testing Procedures

Guides on performing Loop Test, Pulse Output Test, and Transmitter Test.

Flowtube Troubleshooting Procedures

Provides tests to diagnose flowtube issues, including coil and electrode checks.

Return of Materials Process

Outlines the procedure for returning materials for repair or service.

Section 6 Model 8732C Specifications and Reference Data

Specifications Overview

Summary of functional and technical specifications for the Model 8732C.

Functional Specifications

Details flowtube compatibility, flow rate range, fluid conductivity, and power supply.

Performance Specifications

Covers accuracy, repeatability, response time, stability, and environmental effects.

Physical Specifications

Describes materials of construction, electrical connections, and mounting details.

Ordering Information

Provides codes and options for specifying and ordering the Model 8732C transmitter.

Model 8732C Spare Parts

Lists part numbers for electronic assemblies, covers, and accessories.

Section 7 Model 8705 Specifications and Reference Data

Specifications Overview

Summary of functional and technical specifications for the Model 8705 flowtube.

Functional Specifications

Details service, line sizes, interchangeability, and temperature limits.

Process Temperature Limits

Specifies temperature limits for various lining materials based on process conditions.

Performance Specifications

Covers accuracy, vibration effect, mounting position effect, and physical characteristics.

Physical Specifications

Details materials, connections, grounding, and flowtube dimensions.

Section 8 Model 8711 Specifications and Reference Data

Specifications Overview

Summary of functional and technical specifications for the Model 8711 flowtube.

Functional Specifications

Details service, line sizes, interchangeability, and temperature limits.

Process Temperature Limits

Specifies temperature limits for ETFE Tefzel lining based on process conditions.

Performance Specifications

Covers accuracy, vibration effect, mounting position effect, and physical characteristics.

Physical Specifications

Details materials, connections, grounding, and flowtube dimensions.

Appendix A HART Communicator

Introduction to HART Communicator

Provides basic information on using the HART Communicator Model 275.

Safety Messages for HART Communicator

Highlights safety precautions when using the HART communicator.

HART Communicator Menu Tree

Diagram illustrating the hierarchical menu structure of the HART communicator.

Connections and Hardware

Details how to connect the HART Communicator to the transmitter loop.

Basic Features of HART Communicator

Explains the function keys, action keys, and alphanumeric keys.

Menus and Functions Overview

Describes the Main Menu and Online Menu options for device interaction.

Appendix B Operation Planning

Introduction to Operation Planning

Covers essential factors for successful installation and operation planning.

Safety Messages for Operation Planning

Highlights safety precautions relevant to planning the flowmeter system operation.

Flowtube Site Selection

Discusses factors for choosing an optimal site to reduce downtime and simplify maintenance.

Bypass Piping Configuration

Details bypass piping configurations for flowtube isolation during servicing.

Process Conditions Considerations

Covers process conditions, earth ground, low-noise environment, and conductivity.

Flowtube Orientation and Sizing

Explains orientation guidelines and sizing considerations for magnetic flowmeters.

Appendix C Transmitter Output Instability

Safety Messages for Output Instability

Highlights safety precautions when addressing transmitter output instability.

Procedures for Output Instability

Covers checking wiring, grounding, auto zero, and signal processing.

Auto Zero Function

Explains the auto zero function for ensuring accuracy with 30 Hz coil drive mode.

Signal Processing Explanation

Details the signal processing technique for qualifying and filtering flow signals.

Appendix D Magnetic Flow Operating Principles

Operating Principle Explained

Describes the operating principle based on Faraday's law of electromagnetic induction.

Primary and Secondary Devices

Explains the roles of the flowtube and transmitter in the Series 8700 system.

Electrical Design Principles

Discusses the advanced application of Faraday's law and noise avoidance in the design.

Pulsed dc Field Coil Advantages

Highlights benefits like automatic zeroing, low power consumption, and simplified installation.

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