Rockwell Automation 1715-OF8I Redundant I/O System User Manual - Manual (Page 23)

Rockwell Automation Publication 1715-UM001C-EN-P - March 2014 23
Redundancy System Overview Chapter 1
Duplex Architecture
An example configuration of dual input modules and adapters, and a single
output module is shown in Figure 5 . A redundant input or redundant output
module provides fault tolerance for module failures. The duplex arrangement can
be used for low demand and high demand applications.
Figure 5 - Duplex Architecture Duplex Inputs, Simplex Output
ADAPTER
ADAPTER
O/P I/P
I/P
CLX
CIP NE
T
WORK