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About the Book
At a Glance
Document Scope
This manual is a reference guide for the hardware of the Quantum automation
system.
Validity Note
The data and illustrations found in this book are not binding. We reserve the right to
modify our products in line with our policy of continuous product development. The
information in this document is subject to change without notice and should not be
construed as a commitment by Schneider Electric.
Product Related Information
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please follow the relevant instructions.
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damage
Modicon Quantum Automation
System Overview
Introduction
This chapter provides an overview of the Modicon Quantum Automation System,
which includes Modicon Quantum software support.
What Is in This Chapter?
This chapter contains the following topics:

Quantum Power Supplies
Overview
Quantum power supplies are used to supply system power to all modules inserted
into the backplane, including:
Quantum CPU modules
Quantum Interface modules
Quantum I/O modules
Depending upon the system configuration, the option exists of using the power
supply in three different modes.
Power Supply Modes
The following table shows the power supply modes.
Power Supply Type Usage
Standalone For 3 A, 8 A or 11 A configurations that do not require fault
tolerant or redundant capabilities.
Standalone Summable For configurations consuming more than the rated current of one
supply, two summing power supplies can be installed in the
same backplane.
Redundant For configurations requiring power for uninterrupted system
operation. Two redundant power supplies are required for
redundancy
CAUTION
System Safety
Exercise caution when considering a combination of power supplies in a
backplane. Use only like power supplies with the exceptions noted in System
Design Considerations for Quantum Power Supplies, page 797.
Failure to follow these instructions can result in injury or equipment damage
Quantum CPU Modules
Overview
The Quantum CPU is a module residing on the Quantum local I/O backplane. The
CPU is a digitally operating electronic system, which uses a programmable memory
for the internal storage of user instructions. These instructions are used to
implement specific functions such as:
Logic
Process sequencing
Timing
Coupling
Arithmetic
These instructions allow control through digital and analog outputs, for various types
of machines and processes.
The Quantum CPU serves as a bus master controlling the local, remote, and
distributed I/O of the Quantum system.
Quantum I/O Modules
Overview
Quantum I/O modules are electrical signal converters that convert signals to and
from field devices to a signal level and format, which can be processed by the CPU,
such as:
Limit switches
Proximity switches
Temperature sensors
Solenoids
Valve actuators
All I/O modules are optically isolated to the bus, ensuring safe and trouble-free
operation. All I/O modules are also software configurable.
Quantum Communication Interface Modules
Overview
Nine types of communication interface modules are available and presented in the
table below, and are described in the following text.
Network Interface Modules
The following table shows the communication interface modules.