Rockwell Automation Allen-Bradley 1747-SN User Manual Download

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Publication 1747-UM013B-EN-P - January 2005

Table of Contents

Important User Information . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Table of Contents

Chapter 1

Overview

System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Scanner I/O Image Division . . . . . . . . . . . . . . . . . . . . . 1-3

How the Scanner Scans Remote I/O . . . . . . . . . . . . . . . . . 1-4

SLC and Scanner Asynchronous Operation . . . . . . . . . . 1-4

How the Scanner Interacts with Adapters . . . . . . . . . . . . . . 1-5
Scanner I/O Image Concepts . . . . . . . . . . . . . . . . . . . . . . . 1-6

Example Scanner I/O Image. . . . . . . . . . . . . . . . . . . . .   1-7
Transferring Data with RIO Discrete and Block Transfers  1-9
Physical and Logical RIO Link Specifications . . . . . . . . .   1-9
Extended Node Capability . . . . . . . . . . . . . . . . . . . . . .   1-9
Complementary I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Complementary I/O: Placing Modules with 2-Slot Addressing
1-12
Complementary I/O: Placing Modules with 1-Slot Addressing
1-13
Complementary I/O: Placing Modules with 1/2-Slot
Addressing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Summary for Placing Modules Used In Complementary I/O.
1-15
Complementary I/O Application Considerations  . . . . . . 1-17
Complementary 1771 I/O Module Details . . . . . . . . . . . 1-17

Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18

Baud Rate DIP Switch . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
RIO Link Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Compatible Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19

Chapter 2

Quick Start for Experienced Users

Required Tools and Equipment . . . . . . . . . . . . . . . . . . . . . 2-1
Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Chapter 3

Installation and Wiring

Compliance to European Union Directives . . . . . . . . . . . . . 3-1

EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Baud Rate Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Scanner Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

RIO Link Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

New Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
For Series A Scanner Retrofits . . . . . . . . . . . . . . . . . . . . 3-7

Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Scanner Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

At Power Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
In Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

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