1747-6.22, Backup Scanner User Manual
1747-6.22, Backup Scanner User Manual
1747-6.22, Backup Scanner User Manual
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vi Table of Contents<br />
Publication <strong>1747</strong>-<strong>6.22</strong><br />
How the SLC 500 <strong>Backup</strong> System Works. . . . . . . . 1-22<br />
Chapter 2<br />
Quick Start for Experienced <strong>User</strong>s<br />
Required Tools and Equipment . . . . . . . . . . . . . . . . . . . . . 2-1<br />
Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2<br />
Installation and Wiring<br />
Operating Your SLC 500<br />
<strong>Backup</strong> System<br />
Chapter 3<br />
Compliance to European Union Directives . . . . . . . . . . 3-1<br />
EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1<br />
Configuration Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1<br />
Baud Rate Settings. . . . . . . . . . . . . . . . . . . . . . . . . . 3-2<br />
Module Address Switch . . . . . . . . . . . . . . . . . . . . . . 3-2<br />
<strong>Backup</strong> <strong>Scanner</strong> Installation . . . . . . . . . . . . . . . . . . . . . 3-3<br />
Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3<br />
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4<br />
Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4<br />
Terminal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4<br />
Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6<br />
Chapter 4<br />
Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1<br />
How the <strong>1747</strong>-BSN Module Operates . . . . . . . . . . . . . . . . 4-1<br />
Automatic Transfer of Remote Input Data<br />
Over the HSSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1<br />
RS-232/485 Communication Channel . . . . . . . . . . . 4-2<br />
RIO/DH+ Communication Channel. . . . . . . . . . . . . . 4-2<br />
Secondary Processor Remote Programming . . . . . . 4-4<br />
Data Table Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5<br />
How the <strong>Backup</strong> System Operates . . . . . . . . . . . . . . . . . . 4-5<br />
Primary Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6<br />
Secondary Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6<br />
<strong>Backup</strong> System Theory of Operation . . . . . . . . . . . . . . . 4-6<br />
Startup Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . 4-7<br />
Power-up Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7<br />
Processor Mode Change Sequencing . . . . . . . . . . . . . . . . 4-7<br />
Fail-over Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8<br />
Power Down Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8<br />
Restarting a failed system . . . . . . . . . . . . . . . . . . . . . . . . . 4-8