ATV312HU30N4 SCHNEIDER

The autoreclose function provides the ability to automatically control the autorecloser (two, three or four shot cycle, settable using “Phase Cycles” and “E/Gnd Cycles” menu). Dead times for all the shots (reclose attempts) can be independently adjusted.

Description:

Because Modicon Quantum Hot Standby with Unity systems deliver fault-tolerant 

availability through redundancy, use a Modicon Quantum Hot Standby with Unity 

system when downtime cannot be tolerated. Redundancy means that two 

backplanes are configured identically.

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.

Related 

Documents

Note: Identical Configurations

A Modicon Quantum Hot Standby with Unity system must have identical 

configurations:

identical 140 CPU 671 60s which contain both a CPU and a Copro

identical versions of the EXEC

identical power supplies

identical RIO Heads

identical cabling and cabling systems

identical I/O drops

identical sequential placement on the backplane

Title of Documentation Reference Number

Modicon Quantum Hot Standby with Unity User Manual UNY USE 10710 V20E

About the Book

 9

Product Related 

Warnings

Schneider Electric assumes no responsibility for any errors that may appear in this 

document. If you have any suggestions for improvements or amendments or have 

found errors in this publication, please notify us.

No part of this document may be reproduced in any form or by any means, electronic 

or mechanical, including photocopying, without express written permission of 

Schneider Electric.

All pertinent state, regional, and local safety regulations must be observed when 

installing and using this product. For reasons of safety and to ensure compliance 

with documented system data, only the manufacturer should perform repairs to 

components.

When controllers are used for applications with technical safety requirements, 

please follow the relevant instructions.

Failure to use Schneider Electric software or approved software with our hardware 

products may result in injury, harm, or improper operating results.

Failure to observe this product related warning can result in injury or equipment 

damage.

User Comments We welcome your comments about this document. You can reach us by e-mail at 

techpub@schneider-electric.com.

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