Hard Disk Unit for PC CPU Module

Compatible with MELSEC-Q Series

PPC-HDD(MS)A User’s Guide
CONTEC CO.,LTD.
Thank you for purchasing the PPC-HDD(MS)A hard disk unit for PC CPU Module. Follow the
instructions in this guide to use the product.
Notes!
- The hard disk drive can be easily damaged by electrostatic discharge (ESD). Use meticulous care
in handling the hard disk unit for moving or assembling.
- When using the hard disk unit, be sure to satisfy the conditions listed as its general specifications.
For use in a severe environment, use the silicon disk unit instead.
- For use in a place subject to vibration or shock, use a set of shock-proof brackets [PPC-HBR-01]
available as an option.
- As the hard disk unit has a limited life, be sure to back up important data recorded on the unit.
To back up the contents of the hard disk, including the OS, you should use a commercial backup tool
(such as Symantec Ghost).
- The hard disk drive (HDD) of this disk unit has not guaranteed use by continuation and continuation
power for 24 hours. When it is used by continuation operation and continuation power a life falls
extremely. In the case of a 24-hour operation system, use of our company silicon disk (SDD) is
recommended.
- The life of a hard disk drive changes with environment or operating conditions. As a
standard, power time (motor-on time) below 333hours/month (below 11 hours/day), disk
access time is 20% or less, it becomes which for 20,000 hours (power time) or five years,
or an early thing.
- Do not touch the interface connector of the hard disk unit.
- Before plugging to or unplugging from the connector on the hard disk unit, be sure to turn off the
power unit.
- CONTEC assumes no liability for any loss or destruction of data recorded by this product regardless
of the attribute of the causing fault or failure. Be sure to back up important data.

Copyright

- Copyright 2006 CONTEC CO., LTD. ALL RIGHTS RESERVED. No part of this document may be
copied or reproduced in any form or by any means without prior written consent of CONTEC CO.,
LTD.
- CONTEC CO., LTD. makes no commitment to update or keep current the information contained in
this document. The information in this document is subject to change without notice.
- All relevant issues have been considered in the preparation of this document. Should you notice an
omission or any questionable item in this document, please feel free to notify CONTEC CO., LTD.
- Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that may
appear in this document or for any results of using the product.
1 PPC-HDD(MS)A