Rockwell Automation DEVICENET 1771-SDN Manuale utente

PLC-5 DeviceNet

Scanner Module

1771-SDN

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

Allen-Bradley, Data Highway Plus, and PLC-5 are trademarks of Rockwell Automation.

ControlNet is a trademark of ControlNet International, Ltd.

DeviceNet is a trademark of Open DeviceNet Vendor Association (ODVA), Inc.

Ethernet is a trademark of Digital Equipment Corporation, Intel, and Xerox Corporation.

RSLinx, RSLogix 5, and RSNetWorx are trademarks of Rockwell Software.

Windows 95/98 and Windows NT are trademarks of Microsoft Corporation.

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.

European Communities (EC)

Directive Compliance

If this product has the CE mark it is approved for installation within

the European Union and EEA regions. It has been designed and tested

to meet the following directives.

EMC Directive

This product is tested to meet the Council Directive 89/336/EC

Electromagnetic Compatibility (EMC) by applying the following

standards, in whole or in part, documented in a technical construction

file:

•EN 50081-2 EMC — Generic Emission Standard, Part 2 —

Industrial Environment

•EN 50082-2 EMC — Generic Immunity Standard, Part 2 —

Industrial Environment

This product is intended for use in an industrial environment.

Low Voltage Directive

This product is tested to meet Council Directive 73/23/EEC Low

Voltage, by applying the safety requirements of EN 61131-2

Programmable Controllers, Part 2 - Equipment Requirements and

Tests. For specific information required by EN 61131-2, see the

appropriate sections in this publication, as well as the Allen-Bradley

publication Industrial Automation Wiring and Grounding Guidelines

For Noise Immunity, publication 1770-4.1.

This equipment is classified as open equipment and must be mounted

in an enclosure during operation to provide safety protection.

1Publication 1771-6.5.132 - June 2000

Preface

About This User Manual

Introduction

This user manual is designed to provide you enough information to

get a small example application up and running. Use this manual if

you are knowledgeable about DeviceNet™and PLC-5™products, but

may not have used the products in conjunction. The information

provided is a base; modify or expand the examples to suit your

particular needs.

The manual contains instructions on configuring a DeviceNet network

using RSLinx and RSNetWorx for DeviceNet software. It also describes

how to use the PLC-5 pass-through feature to communicate with the

DeviceNet network for adjustment and tuning of network devices via

other networks, including:

•ControlNet

•Ethernet

•Data Highway Plus (DH+)

The example application demonstrates how to perform control on

DeviceNet using a PLC-5 processor and the 1771-SDN module. You

use RSLogix 5 programming software to create a ladder logic program

to control a photoeye and a RediSTATION™.

IMPORTANT This User manual should be used in conjunction

with the 1771-SDN DeviceNet Scanner Module

Installation Instructions, publication 1771-5.14. The

Installation Instructions contain important

information on configuring your scanner.

Publication 1771-6.5.132 - June 2000

P-2 About This User Manual

Contents

This user manual contains the following chapters:

Audience

This manual is intended for control engineers and technicians who are

installing, programming, and maintaining a control system that

includes a PLC-5 processor communicating on a DeviceNet network

through a 1771-SDN module.

We assume that you:

•are developing a DeviceNet network using a PLC-5 processor in

conjunction with the 1771–SDN scanner module

•know each of your device’s I/O parameters and requirements

•understand PLC-5 processor programming and operation

•are experienced with the Microsoft®Windows™environment

•are familiar with RSNetWorx for DeviceNet software

Planning Your

Configuration

go to Chapter 2

4Configuring the

DeviceNet Network

go to Chapter 4

Configuring DeviceNet

From Another Network

go to Chapter 5

Before You Begin

go to Chapter 1

Setting Up the

Hardware

go to Chapter 3

Creating and Running

the Application Program

go to Chapter 6

7Troubleshooting

go to Chapter 7

Publication 1771-6.5.132 - June 2000

About This User Manual P-3

The Example Application

This manual describes how to set up an example application. The

manual provides examples of each step of the setup, with references

to other manuals for more details.

System Components

We used the following devices and software for the example

application. For your own application, substitute your own devices to

fit your needs. The recommended configurations in this user manual

will help you set up the test system and get it working. Your eventual

configuration will depend on your application.

Note: If you use different software or fimware versions of these

products some of your screens may appear slightly different from

those shown in the example.

Product Name Catalog Number Series Revision

Qty Hardware

1PLC-5C processor(1) 1785-L20C15, -L40C15, -L80C15 - -

1 1771 Universal I/O chassis 1771-A1B, -A2B, -A3B, -A3B1,

-A4B

B-

1 DeviceNet Scanner module 1771-SDN/B B -

1Ethernet Interface module(2) 1785-ENET - -

1 DeviceNet Quad-Tap 1492-DN3TW - -

1 RediSTATION operator interface module 2705-TxDN1x42x-xxxx - -

1 Series 9000 Photoeye 42GNP-9000 or equivalent

1 DeviceNet RS-232 interface module 1770-KFD - -

1 RS-232 cables 1787-RSCABL/A (PC to 1770-KFD) - -

- DeviceNet dropline or trunkline

cables, as needed

1787-PCABL, -TCABL, -MCABL - -

1 24V Power Supply Regulated 24VDC, 8A - -

1 PC IBM-compatible

Windows 95/98, NT 4.0

Software

RSLogix 5 9324-RL5300xxx - 3.22

RSNetWorx for DeviceNet 9357-DNETL3 - 2.11

RSLinx 9355-WABxxx - 2.10

(1) The minimum requirement for the processor is that it support block transfer instructions.

A ControlNet version of the Processor is required if interfacing the DeviceNet network and a ControlNet network (see chapters 5 and 6).

(2) Required if interfacing the DeviceNet network and an Ethernet network. See chapters 5 and 6.

Publication 1771-6.5.132 - June 2000

P-4 About This User Manual

Common Techniques

Used in This Manual

The following conventions are used throughout this manual:

•Bulleted lists provide information, not procedural steps.

•Numbered lists provide sequential steps.

•Information in bold contained within text identifies menu

windows, or screen options, screen names and areas of the

screen, such as dialog boxes, status bars, radio buttons and

parameters.

TIP This symbol identifies helpful tips.

A definition box defines terms that may be

unfamiliar to you.

Screen captures are pictures of the software’s

actual screens. The names of screen buttons and

fields are often in bold in the text of a

procedure. Pictures of keys represent the actual

keys you press.

The “MORE” icon is placed beside any

paragraph that references sources of additional

information outside of this document.

This is a definition

box. When a word is

bold within the text

of a paragraph, a

definition box will

appear in the left

margin to further

define the text.

Publication 1771-6.5.132 - June 2000

About This User Manual P-5

Where to Find

More Information

Refer to the following publications as needed for additional help

when setting up and using your DeviceNet network:

For information about See this publication Publication Number

the 1771-SDN DeviceNet scanner 1771-SDN Scanner Module Installation Instructions 1771-5.14

the PLC-5 processor ControlNet PLC-5 Programmable Controllers User Manual

Phase 1.5

1785-6.5.22

PLC-5 Instruction Set Reference Manual 1785-6.1

1785-PLC-5 Programmable Controllers Quick Reference 1785-7.1

the1785-ENET Ethernet interface module PLC-5 Ethernet Interface Module User Manual 1785-6.5.19

the 1771 I/O chassis Universal I/O Chassis 1771-2.210

the 1770-KFD communication module DeviceNet RS-232 Interface Module Installation Instructions 1770-5.6

a 1784-PCD communication card NetLinx DeviceNet Communication Card Installation Instructions 1784-5.29

a 1784-PCID or 1784-PCIDS card DeviceNet PCI Communication Interface Card Installation 1784-5.31

the RediSTATION RediSTATION Operator Interface User Manual 2705-804

the 9000 Series photoeye {refer to the information that came with your photoeye} n/a

DeviceNet DeviceNet System Overview DN-2.5

DeviceNet Design Manual (online) DNET-AT-001A-EN

connecting the DeviceNet network DeviceNet Cable Planning and Installation Manual DN-6.7.2

DeviceNet Cable Planning and Installation Release Note 1 DN-6.7.2-RN1

RSLinx software RSLinx Lite User’s Guide 9399-WAB32LUG

RSLogix 5 software Getting Results With RSLogix 5 9399-RL53GR

RSNetWorx for DeviceNet software DeviceNet Demo CD 9398-DNETDEMO

terms and definitions Allen-Bradley Industrial Automation Glossary AG-7.1

TIP Many of the above are available online from the

Automation Bookstore:

http://www.theautomationbookstore.com.

TIP For more information about Rockwell Software

products, visit the Rockwell Software internet site:

http://www.software.rockwell.com.

Publication 1771-6.5.132 - June 2000

P-6 About This User Manual

Terminology

This term Means

Bridge The scanner module’s support of explicit message transfer.

Change of State A type of I/O data communication. The scanner module can send and

receive data with slave devices that have the change of state feature. Data

is sent whenever a data change occurs. Data is updated at the rate of the

heartbeat.

Communication

Module

The 1771-SDN scanner module or the 1770-KFD module.

Cyclic A type of I/O data communication. The scanner module can send and

receive data with slave devices that have the cyclic feature. Data is only

sent at a user-configurable rate.

EDS Electronic Data Sheet. A vendor-supplied template that specifies how

information is displayed as well as what is an appropriate entry (value).

Explicit

Messaging

A type of messaging used for lower priority tasks, such as configuration

and data monitoring.

Heartbeat Rate Devices that are configured for change of state data can also send a

“heartbeat” signal to indicate proper operation.

Host Platform The computer that hosts the 1771-SDN scanner module.

I/O An abbreviation for “input and output”.

Implicit

Messaging

The type of messaging used for high priority I/O control data; e.g., change

of state, cyclic, polled, or strobed.

Input Data Data produced by a DeviceNet device and collected by the scanner module

for a host platform to read.

MAC ID The network address of a DeviceNet node.

Network The DeviceNet network or the RSNetWorx for DeviceNet software

representation of the network.

Node Hardware that is assigned a single address on the network (also referred

to as device).

Offline When the PC communication scanner is not communicating on the

network.

Online When the PC communication scanner is configured and enabled to

communicate on the network.

Output Data Data produced by a host platform that is written to the scanner module’s

memory. This data is sent by the scanner module to DeviceNet devices.

PC Abbreviation for an IBM®compatible personal-computer.

Polled A type of input/output-data communication. A polled message solicits a

response from a single, specified device on the network (a point-to-point

transfer of data).

Record The node address and channel-specific memory assigned in the scanner

module’s non-volatile storage for a node in the scanlist.

Rx An abbreviation for “receive”.

Scanlist The list of devices (nodes) with which the scanner is configured to

exchange I/O data.

Scanner The function of the 1771-SDN scanner module to support the exchange of

I/O with slave modules.

Slave Mode The scanner module is in slave mode when it is placed in another scanner

module’s scanlist as a slave device.

Strobed A type of I/O data communication. A strobed message solicits a response

from each strobed device (a multicast transfer). It is a 64-bit message that

contains one bit for each device on the network.

Tx An abbreviation for “transmit”.

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