Thank you for the purchase of your Pro-Server with Pro-Studio Ver4.5.

This program is for updating Pro-Server with Pro-Studio to Ver4.56.
The setup procedure of the program is as follows.

Setup Procedure
This program should be run on a PC in which Pro-Server with Pro-Studio
has been installed.

Do not uninstall Pro-Server with Pro-Studio because this installer
overwrites only the parts to be updated.

Be sure to close programs of Pro-Server with Pro-Studio before starting
installation.

The object product of this update program is Pro-Server with
Pro-Studio Ver4.50-4.55.So do not install this program for other versions.

1. Execute the provided program on the PC in which Pro-Server with Pro-Studio
   has been installed.

2DThe update program of Pro-Server with Pro-Studio Ver4.56 is
   Pro-ServerV456.exe. This is the installer of the update program.

3. Once the installer is activated, follow the directions displayed
   on the screen.

4. When installation is completed normally, " Setup completed." is displayed.
   If there are any problems and installation can not be completed, contact our
   company.

In V4.56 we resolved the following issue.

1. We resolved the following issues on OPC Server.
   * When the connection of PLC - GP or GP - Pro-Server is disconnected,
     OPC Server returns zero as value data, and one as bit data.
   * When the engineering units exceeded, the quality flag is not uncertain.
   * When the quality of string changes, OPC Server does not notify as the SubScription.

2. During communications between Pro-Server and GP, Pro-Server may crash.

3. The following APIs of CF card series are enabled also in the multi-thread program.
	EasyGetListInCard
	EasyFileReadCard
	EasyFileWriteCard
	EasyGetCfFreeSpace
	EasyFileDeleteCard
	EasyGetListInCfCard
	EasyFileDeleteInCfCard
	EasyFileReadInCfCard
	EasyFileWriteInCfCard
	EasyFileRenameInCfCard

    *Note:if you would like to use EasyIsCFCard in the multi-thread program,
     please use EasyIsCFCardM API.

4. When Pro-Server is used with VB function, Pro-Server crashes infrequently.

5. When Access ACTION writes an odd-numbered string, it may write string
   with a invalid character at the end.

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If you have any questions regarding your PC or Windows, contact your local
agent or manufacturer of the PC.


Digital Electronics Corporation
8-2-52 Nanko Higashi, Suminoe-ku, Osaka 559-0031, Japan
Phone +81-6-6613-1101  Fax +81-6-6613-5888
http://www.proface.co.jp/

                                  (c) 2000-2007 Digital Electronics Corporation