Rockwell Automation Publication 1715-UM001J-EN-P - December 2020 23
Chapter 1          Redundancy System Overview
Figure 7 - Duplex Architecture Inputs and Outputs
Termination assemblies can span across I/O base units.
Mixed Architecture
There can be a mixture of architectures within one system. Figure 8 shows 
simplex and dual I/O configurations with dual processors.
1715-AENTR
1715-AENTR
ADAPTER
ADAPTER
O/P
I/P
SENSORS
FINAL 
ELEMENTS
IO BASE
1715-A310
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TERMINAL IDENTITY
AOTA
Dual.
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TERMINAL IDENTITY
AOTA
Dual.
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Dual.
1715-IB16D
 1715-IF16
I/P
O/P
IO BASE
1715-A310
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TERMINAL IDENTITY
AOTA
Dual.
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TERMINAL IDENTITY
AOTA
Dual.
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TERMINAL IDENTITY
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Dual.
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 1715-IF16
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TADIF16 
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TADIB16D 
1715-A2A 
1715-A3IO 
1715-A3IO 
CLX
CIP NETWORK