Installation:

• • Creation and deletion of instances of the stOPCServer.

  • Definition of the required Windows Services without having to use the Microsoft Service Control Manager.

  • Definition of the appropriate DCOM Security without having to use the DCOM Config interface.

Configuration:

1. • Specification of the Sapphire Collector that will act as the Data Source for each stOPCServer.

   • Options to Enable/Disable the DA and HDA interfaces on a per instance basis.

   • Specification of the DCOM security model to employ for each user allowed to access the stOPCServer.

   • Options to specify the number of worker threads to use (to increase bandwidth by establishing multiple connections to the source Sapphire Collector.

   • Options to specify a maximum request size to reduce the impact of large messages by breaking them into smaller sections.

Control:

• • Options to Start, Stop or Pause each stOPCServer.

  • Statistics indicating the no of connect clients, the total no of Items read etc.

  • Version details relating to the 'source' Sapphire Collector.

  • Fully configurable auditing and logging.

Cross Domain Access

• Since the stOPCServer uses TCP/IP to connect to the Sapphire Collector, it is not prone to DCOM security limitations when connecting between domains.  This means that the stOPCServer can be located in a different domain to the Sapphire Collector providing cross domain access.