Hardware reference guide
Modicon Quantum Overview
18
35013379 02 October 2007
Modicon Quantum Automation Series Overview
Overview The Modicon Quantum system is a special-purpose computing system with digital 
processing capabilities. Modicon Quantum is designed for real time control in 
industrial and manufacturing applications in a modular, expandable architecture 
employing the following modules. 
z Power Supply
z CPU
z I/O 
z I/O Network Interface
z Intelligent/Special Purpose I/O
z Simulator (XSM)
z Battery
z Backplanes
z CableFast Cabling
Modicon 
Quantum System 
Block Diagram
The following figure is a block diagram of a typical Modicon Quantum system. 
Modbus Plus Cable
Ethernet TCP/IPLocal I/O Drop
P/S CPU RIO
Head
MB+
Tap
Modbus Plus DIO
Twisted Pair Cable
DIO Drop
RIO Coaxial
MB+
Tap
NOM NOE I/O I/O I/O I/O I/O
RIO Drop
I/O I/O I/O I/ORIO
Drop
P/S
I/O I/ODIO
Drop
MB+
Tap
RIO
Tap
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