Rockwell Automation 1785-CHBM ControlNet PLC-5 Hot Backup System User Manual - Manual (Page 14)

Publication 1785-UM024B-EN-P - January 2003
Table of Contents vi
Sequential Process Application Considerations . . . . . . . . . . E-5
What Causes a PLC-5 to Get Into an Incorrect State . . . . E-6
How to Keep the Controllers in the Same Process State . E-7
When the Controllers are in Different States . . . . . . . . . E-8
Complete Qualification in the Same Process State . . . . . E-9
Comparison to the 1785-BCM
System Appendix F
Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-1
Comparison to the BCM System. . . . . . . . . . . . . . . . . . . . . F-1
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-1