IDEC WindSRV - Manual (Page 16)

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Descriptions of the parameters are as follows:
 OPC Connection Security: This parameter allows users to select authentication and also launch and access
security requirements through the DCOM Configuration Utility. In addition, users can both specify the level of
security to implement and restrict access for certain users and/or applications.
When this setting is disabled, the server will override the DCOM settings set for the application and will not
perform any authentication on the calls received from client applications. It will impersonate the security of the
client when performing any actions on behalf of the client application. Disabling this setting provides the lowest
level of security and is not recommended. If this setting is chosen, users should ensure that the client and server
applications are running in a secure environment so that the application is not compromised.
 Backup the runtime project prior to replacement: This parameter enables the Runtime project to be backed
up before it is overwritten. The backup's location will be displayed in the Event Log. This option is enabled by
default.
Note: The Runtime project will be overwritten if either New or Open is selected while connected to the Runtime.
In addition, connecting to the Runtime while working offline with a project may result in Runtime project
replacement.
 Keep the most recent: This parameter limits the number of backup files that will be saved to disk. The range is
1 to 1000. The default is 10.
 Clean up now: This parameter invokes a confirmation dialog that allows users to delete all the Runtime project
backups. Doing so will not affect the current running project.
 Allow clients to write to system level tags controls Write access to System Tags on a given device. In some
cases, users may not want a client application to have the ability to turn a device on or off in the project. This
setting applies to all system level tags. This option is disabled by default.
Runtime Settings - Event Log
The Event Log tab is used to define whether or not a Runtime log file is kept; and, if so, where and how many events