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Rosemount 3095 User Manual

Rosemount 3095
115 pages
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00809-0100-4741
English
Rev. AA
Model 3095
Multivariable
Level Controller
Product Discontinued

Table of Contents

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Rosemount 3095 Specifications

General IconGeneral
Hazardous Area CertificationsATEX, IECEx, FM, CSA
Output Signal4-20 mA, HART
Process Temperature Limits-40 to 185°F (-40 to 85°C)
Ambient Temperature Limits-40 to 185°F (-40 to 85°C)
Housing MaterialAluminum
Outputs4-20 mA HART
Communication ProtocolHART
Enclosure RatingIP66, NEMA 4X
Power Supply10.5 to 42 V DC

Summary

Section 1 Introduction

Using This Manual

Guide on how to use the manual and its structure.

Safety Messages

Highlights safety precautions for personnel performing operations.

Section 2 Level Controller Overview and Installation

Safety Messages

Special precautions for safety during installation operations.

Level Controller Overview

Overview of the Model 3095 Multivariable Level Controller system.

Before You Begin

Outlines tasks for successful installation and reviews the installation flowchart.

Unpacking the Level Controller

Details the process of unpacking the controller and checking contents.

Becoming Familiar With the Level Controller

Identifies major components of the controller system and the unit.

Bench Configuration

Explains controller configuration on a bench using a HART Communicator.

General Installation Considerations

Discusses factors for accurate measurement and proper controller installation.

Mounting Considerations

Covers mounting options, weight, and bolt installation guidelines for the controller.

Example Installations

Illustrates example installations for various tank configurations.

Tap Considerations

Addresses flange orientation, venting, and temperature limits for process connections.

Impulse Piping

Discusses piping between the process and controller for accurate pressure transfer.

Diaphragm Seals

Details considerations for optimizing performance with diaphragm seals.

Environmental Considerations

Guidelines for mounting the controller to minimize environmental impacts.

Housing Rotation

Explains how to rotate the electronics housing for better field access.

Field Installation Procedure

Details the steps for mounting, connecting to process, and wiring the controller.

Section 3 Level Controller Operation

Level Variables and Values

Explains how the controller calculates level using DP, density, and gravity.

Level Controller Sensor

Describes the multi-variable sensor technology and factory calibration.

PID Controller Description and Details

Details the PID controller features and algorithm.

Autotuning

Explains the Autotuner feature for optimal tuning parameters.

Adaptive Bias Control

Explains the ABC algorithm to eliminate limit cycling.

Local Operator Interface

Describes the optional LOI for local indication and operation.

Mode Shed Option

Allows the controller to maintain control during sensor failure.

Section 4 Level Controller Configuration

Configuration Overview

Outlines the four major tasks for configuring the controller.

Set Up the Level Calculation

Tasks to set up the controller for a specific process, including density and units.

Set Controller Height

Determines controller height based on installation type and location.

Configure the Controller

Configures process control, including range values, control type, and action.

Perform a Level Trim

Calibrates the level calculation against the actual tank level.

Tune the Loop

Sets PID parameters like gain, reset, and rate for optimal control.

Section 5 Troubleshooting and Maintenance

Safety Messages

Highlights safety precautions for maintenance operations.

Level Controller Troubleshooting

Procedures for verifying device hardware and process connections.

Communication Problems

Identifies causes and solutions for communication issues with HART Communicator.

Interpreting Level Controller Alarms and Error Conditions

Explains critical alarms and how they affect output.

Disassembly Procedures

General information before disassembling the device.

Return of Materials

Information on the process for returning materials to Rosemount.

Section 6 Level Controller Specifications and Reference Data

Functional Specifications

Details service, sensor, output, power supply, and load limitations.

Performance Specifications

Specifies level and temperature accuracy, stability, and effects.

Physical Specifications

Covers electrical and process connections, materials, and weight.

Ordering Information

Provides codes for configuring and ordering the Level Controller.

Appendix A HART Communicator

Introduction

Introduces using the HART Communicator with the Level Controller.

Safety Messages

Safety precautions when using the HART communicator.

Communicator Keys

Describes the action, function, alphanumeric, and shift keys.

Menus and Functions

Explains the menu structure and options of the HART Communicator.

Diagnostic Messages

Lists messages from the HART Communicator and their descriptions.

Appendix B Level Controller Accessories and Options

Safety Messages

Safety precautions related to accessories and options.

Accessories

Details available accessories like diaphragm seals and manifolds.

Options

Explains optional features like Auto-Tuning and Local Operator Interface.

Appendix C Approval Drawings

Model 3095MV Explosion-Proof Installation Drawing, Factory Mutual

Provides explosion-proof drawing details for Factory Mutual certification.

Model 3095MV Explosion-Proof Installation Drawing, Canadian Standards Association

Provides explosion-proof drawing details for CSA certification.

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