Allen-Bradley ControlNet 1747-ACN15 Manuale utente

ControlNet™

Adapter Module

(Catalog Numbers 1747-ACN15,

1747-ACNR15)

User Manual

Important User Information

Because of the variety of uses for the products described in this publication,

those responsible for the application and use of this control equipment must

satisfy themselves that all necessary steps have been taken to assure that each

application and use meets all performance and safety requirements, including

any applicable laws, regulations, codes and standards.

The illustrations, charts, sample programs and layout examples shown in this

guide are intended solely for purposes of example. Since there are many

variables and requirements associated with any particular installation,

Allen-Bradley does not assume responsibility or liability (to include intellectual

property liability) for actual use based upon the examples shown in this

publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application,

Installation and Maintenance of Solid-State Control (available from your local

Allen-Bradley office), describes some important differences between solid-state

equipment and electromechanical devices that should be taken into

consideration when applying products such as those described in this

publication.

Reproduction of the contents of this copyrighted publication, in whole or part,

without written permission of Rockwell Automation, is prohibited.

Throughout this manual we use notes to make you aware of safety

considerations:

Attention statements help you to:

•identify a hazard

•avoid a hazard

•recognize the consequences

ControlNet and SLC 500 are trademarks of Rockwell Automation.

PLC-5 is a registered trademark of Rockwell Automation.

ATTENTION

Identifies information about practices or circumstances that

can lead to personal injury or death, property damage or

economic loss

IMPORTANT Identifies information that is critical for successful

application and understanding of the product.

iPublication1747-UM003A-EN-P

Table of Contents

Preface

Who Should Use this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1

Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1

Common Techniques Used in this Manual. . . . . . . . . . . . . . . . . . . P-1

Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2

Local Product Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2

Technical Product Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . P-2

Your Questions or Comments on this Manual . . . . . . . . . . . . . P-2

Chapter 1

Introducing the ControlNet

Adapter Module

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Module Description and Features . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Diagnostic Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Network Access Port (NAP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

ControlNet Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Network Address Switch Assemblies . . . . . . . . . . . . . . . . . . . . . 1-3

Chapter 2

Installing Your ControlNet Adapter

Module

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Compliance to European Union Directives. . . . . . . . . . . . . . . . . . . 2-1

EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Low Voltage Directive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Determining Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Setting the Network Address Switches. . . . . . . . . . . . . . . . . . . . . . . 2-2

Installing the Adapter Module in the Chassis . . . . . . . . . . . . . . . . . 2-3

Connecting Your Adapter to the ControlNet Network . . . . . . . 2-4

Connecting Programming Terminals to the Network via the NAP . 2-6

Powerup Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Chapter 3

Planning to Use Your ControlNet

Adapter Module

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Compatible 1746 and 1747 I/O Modules . . . . . . . . . . . . . . . . . . . . 3-1

Overview of Adapter Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Rack and Module Connections . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Optimizing SLC ControlNet Adapter Rack Connections . . . . . 3-4

Module Keying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Output Operation During Fault and Idle Modes . . . . . . . . . . . 3-6

Understanding ControlNet I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Scheduled Data-Transfer Connections on a

ControlNet Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Publication 1747-UM003A-EN-P

Table of Contents ii

Chapter 4

Application Examples

Example 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Hardware Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2