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Eurotherm 902 Series User Manual

Eurotherm 902 Series
157 pages
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Contents
Guide to this Handbook
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Section 7
Appendix
INSTALLATION
OPERATION
COMMISSION
CONFIGURE
CALIBRATION
COMMUNICATIONS
ERROR MESSAGES
Glossary of Terms
0
Copyright Eurotherm Limited 1991
Every effort has been taken to ensure the accuracy of this handbook. However in order to
maintain our technological lead we are continuously improving our products which could, without
notice, result in amendments or omissions to this document. We cannot accept responsibility for
damage, injury loss or expenses resulting therefrom.
902-904 Handbook
HA023752 Iss 9

Table of Contents

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Eurotherm 902 Series Specifications

General IconGeneral
BrandEurotherm
Model902 Series
CategoryController
LanguageEnglish

Summary

Guide to this Handbook

Section 1 Installation

Instructions for mechanical mounting and electrical connections of the instrument.

Section 2 Operation

Instructions for day-to-day operation of the instrument and its functions.

Section 3 Commission

Procedures for matching the instrument to the load and control loop.

Section 4 Configure

Settings for modifying basic instrument operation based on the order code.

Section 7 Error Messages

Guidance on identifying and rectifying instrument faults.

Installation Overview

Connections and Wiring

Information on terminal blocks, wire size, and torque specifications.

Digital Communications

Configuration for RS232 C and RS422 digital communication standards.

Safety and EMC Information

Safety precautions, EMC compliance, handling precautions, and cleaning.

Technical Specification

Detailed specifications for equipment ratings, environmental, and electrical safety.

Installation and Operating Safety Requirements

Safety symbols, personnel requirements, wiring, isolation, and overcurrent protection.

Operation Overview

Front Panel Keys

Layout and symbols of the instrument's front panel keys.

Access Levels and Security

Explanation of access levels and security settings for parameter modification.

Reading and Setting Parameters

Procedure for reading and setting parameters using key handling.

Short Scroll List

Details on the Short Scroll List parameters (SP, OP, TIME).

Tuning

Methods for optimizing control loop performance using tuning facilities.

Self Tune

Details on enabling and aborting the self-tune algorithm.

Adaptive Tune

Recommended use and operation of the adaptive tune feature.

Commissioning Procedures

Loop Tuning

Methods for optimizing control loop performance.

Manual Tuning

Procedures for manually tuning control loops.

Automatic Tuning

Introduction to Self Tune and Adaptive Tune facilities.

Entering a Programme

Procedures for entering and selecting programmes.

Configuration Settings

Security Codes

Explanation of S1 and S2 security codes for access.

Calibration Procedures

Calibration Technique

General calibration steps, including equipment power-up time.

Communications Protocols

Error Messages and Troubleshooting

Configuration Mode Errors

Illegal values and their corresponding error messages in configuration mode.

Operating Mode Errors

Error messages in operating mode, including safe state behavior.

Error Message Table

Table of error messages, fault descriptions, and corrective actions.

Glossary of Technical Terms

Adaptive Tune Algorithm

Explanation of the adaptive tune algorithm and its usage.

Auto Tune Function

Description of the auto-tune algorithm.

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