Rockwell Automation AADvance Controller PFH avg and PFD avg Data User Manual
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Document: 553847
(ICSTT-RM449_EN_P) Issue 04:
PFH avg and PFD avg Data (AADvance Controller)
Contents
Contents
Contents
Contents
Chapter 1
Chapter 1
Chapter 1
Chapter 1
Introduction ............................................................................................. 1-1
Failure Rates ........................................................................................................................................................ 1-1
PFD Data - 8 Hour MTTR ............................................................................................................................... 1-2
PFD Data - 24 Hour MTTR............................................................................................................................. 1-4
PFH Data .............................................................................................................................................................. 1-6
Binding and Peer-to-Peer Communication Data (per segment) ............................................................ 1-8
Safe Failure Fraction (SFF) and Hardware Fault Tolerance (HFT) ......................................................... 1-8
System Configurations ...................................................................................................................................... 1-9
Example 1 ....................................................................................................................................................... 1-9
Example 2 ....................................................................................................................................................... 1-9
Example 3 ..................................................................................................................................................... 1-10
Example 4 ..................................................................................................................................................... 1-10
Example 5 ..................................................................................................................................................... 1-11