ABB RMBA-01 User manual

ABB Drives

Modbus Adapter Module

RMBA-01

User’s Manual

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Modbus Adapter Module

RMBA-01

User’s Manual

3AFE 64498851 REV A EN

EFFECTIVE: 1.3.2002

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

RMBA-01 User’s manual iii

Safety instructions

Overview This chapter states the general safety instructions that

must be followed when installing and operating the

RMBA-01 Modbus Adapter module.

The material in this chapter must be studied before

attempting any work on, or with, the unit.

In addition to the safety instructions given below, read

the complete safety instructions of the specific drive you

are working on.

General safety

instructions WARNING! All electrical installation and maintenance

work on the drive should be carried out by qualified

electricians only.

The drive and adjoining equipment must be properly

earthed.

Do not attempt any work on a powered drive. After

switching off the mains, always allow the intermediate

circuit capacitors 5 minutes to discharge before working

on the frequency converter, the motor or the motor

cable. It is good practice to check (with a voltage

indicating instrument) that the drive is in fact discharged

before beginning work.

The motor cable terminals of the drive are at a

dangerously high voltage when mains power is applied,

regardless of motor operation.

There can be dangerous voltages inside the drive from

external control circuits even when the drive mains

power is shut off. Exercise appropriate care when

working on the unit. Neglecting these instructions can

cause physical injury or death.

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Safety instructions

iv RMBA-01 User’s manual

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

RMBA-01 User’s manual v

Table of contents

Safety instructions

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

General safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

Table of contents

Chapter 1 – Introduction

Intended audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

What this manual contains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Terms used in this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Communication module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

RMBA-01 Modbus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Adapter module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Broadcast write. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

4XXXX register area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Chapter 2 – Overview

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Introduction to Modbus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

The RMBA-01 Modbus Adapter module . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Delivery check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Warranty and liability information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Chapter 3 – Installation

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Terminal designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Bus termination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Table of contents

vi RMBA-01 User’s manual

Chapter 4 – Programming

Configuring the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Modbus connection configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Control locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Chapter 5 – Communication

Exception codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Data update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Chapter 6 – Fault tracing

Installation problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Drive setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

PLC programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Appendix A – Technical data

RMBA-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Fieldbus link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

RMBA-01 User’s manual 1-1

Chapter 1 –Introduction

Intended

audience The manual is intended for the people who are

responsible for commissioning and using a RMBA-01

Modbus Adapter module with the ACS 800 drive. The

reader is expected to have a basic knowledge of

electrical fundamentals, electrical wiring practices and

how to operate the drive.

Before you start It is assumed that the drive is installed and ready to

operate before starting the installation of the extension

module.

In addition to conventional installation tools, have the

drive manuals available during the installation as they

contain important information not included in this

manual. The drive manuals are referred to at various

points of this document.

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Chapter 1 –Introduction

1-2 RMBA-01 User’s manual

What this manual

contains This manual contains information on the wiring,

configuration and use of the RMBA-01 module.

Safety instructions are featured in the first few pages

of this manual.

Chapter 2 –Overview contains a short description of

the RMBA-01 Modbus Adapter module, a delivery

checklist and warranty information.

Chapter 3 –Installation contains instructions for

module hardware settings, mounting and cabling.

Chapter 4 –Programming explains how to program

the master station and the drive before the

communication through the adapter module can be

started.

Chapter 5 –Communication contains a description of

how data is transmitted through the RMBA-01 module.

Chapter 6 –Fault tracing explains fault tracing and the

LED indications of the RMBA-01 module.

Appendix A contains technical data.

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Table of contents

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