Rockwell Automation 1715-OF8I Redundant I/O System User Manual - Manual (Page 22)

22 Rockwell Automation Publication 1715-UM001C-EN-P - March 2014
Chapter 1 Redundancy System Overview
Simplex Architecture
Simplex I/O modules fail safe on the first detected fault. The process under
control shuts down when the fault is detected.
This configuration is suitable for high, as well as low demand module
applications.
Figure 4 - Simplex Architecture - Input and Output
IO BASE 1715-A310
CH1 CH1 CH1 CH1 CH1 CH1 CH1 CH1
TERMINAL IDENTITY
AOTA Dual.
CH1 CH1 CH1 CH1 CH1 CH1 CH1 CH1
TERMINAL IDENTITY
AOTA Dual.
CH1
CH1
CH1
CH1
CH1
CH1
CH1
CH1
TERMINAL IDENTITY
AOTA Dual.
1715-AENTR 1715-AENTR 1715-IB16D
1715-
OB8DE
ADAPTER
ADAPTER
O/P I/P
SENSORS
FINAL
ELEMENTS
1715-
TADOB8DE
1715-
TADIB16D
1715-A2A 1715-A3IO
ControlLogix
CIP NE
TWORK
Digital Output
Simplex Termination
Assembly
Digital Input
Simplex Termination
Assembly
Adapter
Base Unit
I/O Base Units
45241