Rockwell Automation Allen-Bradley SynchLink 1756-DM Series Guía

SynchLink™

1756-SYNCH, 1756-DMxxx Series,

PowerFlex 700S

Design Guide

Important User Information

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

publication, those responsible for the application and use of these

products 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. In no event will Allen-Bradley be responsible or

liable for indirect or consequential damage resulting from the use or

application of these products.

Any illustrations, charts, sample programs, and layout examples

shown in this publication 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 publication, notes may be used to make you aware of

safety considerations. The following annotations and their

accompanying statements help you to identify a potential hazard,

avoid a potential hazard, and recognize the consequences of a

potential hazard:

WARNING

Identifies information about practices or

circumstances that can cause an explosion in a

hazardous environment, which may lead to personal

injury or death, property damage, or economic loss.

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.

Rockwell Automation

Support

Before you contact Rockwell Automation for technical assistance, we

suggest you please review the troubleshooting information contained

in this publication first.

If the problem persists, call your local distributor or contact Rockwell

Automation in one of the following ways:

Your Questions or Comments on this Manual

If you find a problem with this manual, please notify us of it on the

enclosed How Are We Doing form.

Phone United

States/Canada

1.440.646.5800

Outside United

States/Canada

You can access the phone number for your

country via the Internet:

1. Go to http://www.ab.com

2. Click on Product Support

(http://support.automation.rockwell.com)

3. Under Support Centers, click on Contact

Information

Internet Þ1. Go to http://www.ab.com

2. Click on Product Support

(http://support.automation.rockwell.com)

1Publication 1756-TD008A-EN-P - August 2002

Preface

What This Document Contains

This preface describes what information this publication contains and

how to use the publication.

Purpose of This Publication

The purpose of this publication is to provide:

·a detailed description of SynchLink and the products that

operate on it, including:

–ControlLogix™ SynchLink module (1756-SYNCH),

–ControlLogix Drive modules (1756-DMxxx Series),

–PowerFlex™ 700S drives.

For a full description of each of these products, see Chapter 3,

Using Specific Products on SynchLink.

·instructions and recommendations on how to design, install and

maintain a SynchLink fiber optic cable system.

Who Should Use This

Publication

Anyone who wants to understand SynchLink and products that work

on the link or anyone who needs to design, install and maintain a

SynchLink fiber optic cable system should use this publication.

For information about: See page:

Purpose of This Publication Preface-1

Who Should Use This Publication Preface-1

What Information This Publication Contains Preface-2

IMPORTANT To successfully apply the concepts and techniques in

this manual, you must have a fundamental

knowledge of electronics and electrical codes.

This manual describes cable installation inside a

manufacturing facility. Other types of SynchLink

installations are not permitted.

Publication 1756-TD008A-EN-P - August 2002

Preface 2

What Information This

Publication Contains

This publication includes the following sections:

Chapter 1 - Overview of

SynchLink

Chapter 2 - SynchLink Topologies Chapter 3 - Using Specific Products

on SynchLink

Chapter 4 - Specific SynchLink

Configurations

Chapter 5 - Overview of the SynchLink

Fiber Optic Cable System

Chapter 6 - Planning a SynchLink

Fiber Optic Cable System

Chapter 7 - Installing a SynchLink

Fiber Optic Cable System

Chapter 8 - Guidelines for SynchLink

Fiber Optic Cable Installation

Chapter 9 - Maintenance and

Troubleshooting

Appendix A - Specifications Glossary

Publication 1756-TD008A-EN-P - August 2002

Preface 3

Related Documentation

Table Preface.1 lists the related documentation that may help you use

products on SynchLink.

Table Preface.1

Catalog Number Document Title Publication Number

1756-SYNCH ControlLogix SynchLink Module

Installation Instructions

1756-IN575

1756-SYNCH ControlLogix SynchLink Module

User Manual

1756-UM521

1756-DMD30,

1756-DMF30

ControlLogix Drive Modules

Installation Instructions

1756-IN577

1756-DMD30,

1756-DMF30

ControlLogix Drive Modules

User Manual

1756-UM522

PowerFlex 700S PowerFlex 700S User Manual 20D-UM001

1751-SLBA SynchLink Base Block

Installation Instructions

1751-IN001

1751-SL4SP SynchLink 4-port Splitter Block

Installation Instructions

1751-IN002

1751-SLBP SynchLink Bypass Switch Block

Installation Instructions

1751-IN003

1756-A4, -A7, -A10,

-A13

ControlLogix Chassis Installation

Instructions

1756-IN080B

1756-PA72, -PB72 ControlLogix Power Supply

Installation Instructions

1756-5.67

1756-PA75, -PB75 ControlLogix Power Supply

Installation Instructions

1756-5.78

1756-Series ControlLogix System User

Manual

1756-UM001

Publication 1756-TD008A-EN-P - August 2002

Preface 4

Notes:

iPublication 1756-TD008A-EN-P - August 2002

Table of Contents

Chapter 1

Overview of SynchLink

What is SynchLink? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

SynchLink Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Time Synchronization. . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Data Transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Transmitted Direct Words. . . . . . . . . . . . . . . . . . . . . . . 1-8

SynchLink Transmitted Axes. . . . . . . . . . . . . . . . . . . . . 1-10

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Chapter 2

SynchLink Topologies

Star Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Daisy Chain Topology . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Ring Topology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Chapter 3

Using Specific Products on

SynchLink

ControlLogix SynchLink Module (1756-SYNCH) . . . . . . . . . 3-1

Transferring Data With the SynchLink Module. . . . . . . . 3-2

ControlLogix SynchLink Module Features . . . . . . . . . . . 3-2

Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

ControlLogix Drive Modules (1756-DMxxx Series) . . . . . . . 3-3

Interface to Distributed Power System Drive Equipment 3-3

Transferring Data With the Drive Modules . . . . . . . . . . 3-4

ControlLogix Drive Module Features. . . . . . . . . . . . . . . 3-4

PowerFlex 700S Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Transferring Data With the PowerFlex 700S Drives . . . . 3-5

PowerFlex 700S Drive Features. . . . . . . . . . . . . . . . . . . 3-6

Connecting Products to SynchLink. . . . . . . . . . . . . . . . . . . 3-7

SynchLink Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

SynchLink Bypass Switch Block . . . . . . . . . . . . . . . . . . 3-8

Fiber Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

Configuring Products for Use on SynchLink . . . . . . . . . . . . 3-11

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Chapter 4

Specific SynchLink

Configurations

Difference Between Topologies and Configurations . . . . . . 4-1

SynchLink Functionality in Each Device . . . . . . . . . . . . . . . 4-2

1756-SYNCH Module . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

1756-DMxxx Drive Modules . . . . . . . . . . . . . . . . . . . . . 4-3

PowerFlex 700S Drive . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Star Topology Configurations . . . . . . . . . . . . . . . . . . . . 4-6

Daisy Chain Topology Configurations. . . . . . . . . . . . . . 4-9

Ring Topology Configurations . . . . . . . . . . . . . . . . . . . 4-13

Additional Configurations. . . . . . . . . . . . . . . . . . . . . . . 4-15

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19

Publication 1756-TD008A-EN-P - August 2002

Table of Contents ii

Chapter 5

Overview of the SynchLink

Fiber Optic Cable System

Applying the SynchLink System . . . . . . . . . . . . . . . . . . . . . 5-2

Analyzing your SynchLink Application . . . . . . . . . . . . . 5-2

Identifying System Components . . . . . . . . . . . . . . . . . . 5-4

Planning System Installation . . . . . . . . . . . . . . . . . . . . . 5-4

Installing the System . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

Powering your System . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Chapter 6

Planning a SynchLink Fiber Optic

Cable System

Developing a Plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Selecting a Topology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Planning Installation of the System Components. . . . . . . . . 6-3

Estimating Cable Lengths. . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Chapter 7

Installing a SynchLink Fiber Optic

Cable System

Using Pre-terminated

Fiber Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Using Cable System Components. . . . . . . . . . . . . . . . . . . . 7-2

Mounting and Removing Your Fiber Blocks . . . . . . . . . . . . 7-5

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5

Chapter 8

Guidelines for SynchLink Fiber

Optic

Cable Installation

Following General Rules for Safety . . . . . . . . . . . . . . . . . . 8-2

Guidelines for Handling Fiber Optic Cable . . . . . . . . . . 8-2

Cable Protection and Isolation Recommendations. . . . . . . . 8-4

Cable Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Chemical and Thermal Isolation . . . . . . . . . . . . . . . . . . 8-4

Physical Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

Pre-Terminated Cable Installation Guidelines . . . . . . . . . . . 8-5

Cable Inspection and Testing . . . . . . . . . . . . . . . . . . . . 8-5

Cable Pulling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

Unterminated Cable Installation Guidelines . . . . . . . . . . . . 8-6

Direct Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

Indirect Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

Conduit and Duct Installation . . . . . . . . . . . . . . . . . . . . 8-7

Vertical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

Plans for Vertical Cable Installation. . . . . . . . . . . . . . . . 8-9

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

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