What this manual contains, Terms and conventions – Rockwell Automation 1785-CHBM ControlNet PLC-5 Hot Backup System User Manual User Manual
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Publication 1785-UM024B-EN-P - January 2003
Preface 2
What This Manual Contains
Refer to the following table to guide you through the information
contained in this manual.
Terms and Conventions
In this document, when we refer to the PLC-5s, we mean the
programmable controllers you are using in your ControlNet Hot
Backup system. We also refer to the PLC-5 as the "controller" or
"processor."
The screen captures and other examples that appear in this document
represent the current version of software at the time of publishing. A
later or earlier version of the same screen capture or example may be
slightly different but the purpose remains the same. Use the screen
captures and examples for reference only.
For information on:
Refer to chapter/appendix:
concepts for using a backup system in a
ControlNet system; basic system
architecture
1 - Backup Concepts for the ControlNet PLC-5
Backup System
the hardware and software components
required for a backup system
2 - Understanding the ControlNet PLC-5
Backup System Components
installing backup system components;
configuring the backup system
3 - Installing and Configuring Your ControlNet
PLC-5 Backup System
how to use I/O in your hot backup system
4 - Using I/O In Your ControlNet Hot Backup
System
the diagnostic capabilities of the backup
system; troubleshooting tips for the backup
system
5 - Monitoring and Troubleshooting Your
ControlNet PLC-5 Backup System
specifications for the 1785-CHBM module
A - Specifications
backup states and backup state transitions B - Backup States
the data table crossloading feature
C - Data Table Crossloading
the program synchronization feature
D - Program Synchronization
application examples; items to consider
before designing the backup system
E - Application Guidelines
reference information on the ControlNet
backup module for users familiar with the
Allen-Bradley 1785-BCM systems
F - Comparison to the 1785-BCM System
ControlNet Hot Backup terminology
Glossary