Rockwell Automation 1747-BSN Backup Scanner Module User Manual

Backup scanner module

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Table of contents

Document Outline

1747-UM010B-EN-P, Backup Scanner Module
Important User Information
Summary of Changes
Table of Contents
Preface
- Who Should Use This Manual
- How to Use This Manual
- Conventions Used in This Manual
- Rockwell Automation Support
1 - Overview
- System Overview
- How the Backup Scanner Scans Remote I/O
- SLC and Scanner Asynchronous Operation
- How the Scanner Interacts with Adapters
- Complementary I/O
- Hardware Features
- Backup Concepts for the SLC 500 System
2 - Quick Start for Experienced Users
- Required Tools and Equipment
- Procedures
3 - Installation and Wiring
- Configuration Selection
- Backup Scanner Installation
- Wiring
- Status LEDs
4 - Operating Your SLC 500 Backup System
- Chapter Objectives
- How the 1747-BSN Module Operates
- Data Table Transfer
- How the Backup System Operates
- Power-up Sequencing
- Processor Mode Change Sequencing
- Fail-over Sequencing
- Power Down Sequencing
- Restarting a Failed System
5 - Configuration and Programming
- Understanding Remote Input and Output Image Files
- Rules for Configuring the Scanner
- G-File Considerations For Configuring Remote I/O
- Crossing Logical Rack Boundaries
- Understanding M Files
- M0 File - RIO Device Inhibit Control
- M0 File - RIO Device Reset Control
- M0 File - Remote Output Reset Control
- M1 Status File Description
- Understanding Slot Addressing
- SLC/Scanner Configuration Using HHT
6 - Module Control and Status Word
- System Status Word
- Module Status Word
- Transferring Data over the High-Speed Serial Link (HSSL)
- Data Transfer Control Word
- Data Transfer Status Word
- Data Transfer Handshake Word
- Switch Assemblies Status Word
- Module Status Counters
- Data Block Counters
7 - RIO Block Transfer
- RIO Block Transfer Theory of Operation
- RIO Block Transfer General Functional Overview
- Using Block Transfer Instructions (BTR and BTW)
8 - Switchover Considerations
- Timing Requirements
- Divergence
- Forcing I/O
- Data Highway Plus Switching
- Remote I/O Switching
9 - Programming Techniques
- Chapter Objectives
- Getting Started
- Data Transfer Schemes
- Accounting for Instructions That Could Cause Problems During Switchover
- Summary of Programming Considerations
A - Specifications
- Backup Scanner Operating Specifications
- Network Specifications
- Throughput Introduction
- Calculating Throughput
B - M0-M1 Files and G Files
- M0-M1 Files
- G Files
C - RIO Configuration Worksheet
Glossary
Index
Back Cover