Duplex Architecture - Rockwell Automation Allen-Bradley 1715-AENTR User Manual

SENSORS
I/P
Figure 5 - Simplex Architecture - Input and Output
ADAPTER
ADAPTER
ControlLogix

Duplex Architecture

An example configuration of dual input modules and adapters, and an output
module is shown in
provides fault tolerance for module failures. The duplex arrangement can be
used for low demand and high demand applications.
Rockwell Automation Publication 1715-UM001J-EN-P - December 2020
O/P
Digital Input
Simplex Termination
Assembly
1715-A2A
Adapter
Base Unit
Figure 6. A redundant input or redundant output module
Chapter 1 Redundancy System Overview
FINAL
ELEMENTS
Digital Output
Simplex Termination
Assembly
1715- 1715-
TADIB16D TADOB8DE
TERMINAL IDENTITY TERMINAL IDENTITY TERMINAL IDENTITY
CH1 CH1 CH1 CH1
CH1 CH1 CH1 CH1 CH1 CH1 CH1 CH1
CH1 CH1 CH1 CH1
CH1 CH1 CH1 CH1 CH1 CH1 CH1 CH1
AOTA AOTA AOTA
Dual. Dual. Dual.
1715-A3IO
I/O Base Units
45241
21