Rockwell Automation DEVICENET 1771-SDN User manual

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
2
1
3
Planning Your
Configuration
go to Chapter 2
4Configuring the
DeviceNet Network
go to Chapter 4
Configuring DeviceNet
From Another Network
go to Chapter 5
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
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.
More

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:
More
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”.