Exele enhances OPCcalc and EDICTvb.Net for Vista

  • April 30, 2007
  • Exele Information Systems, Inc.

April 30, 2007 - With the release of version 3.3.0, OPCcalc and EDICTvb.Net support Standard Users and UAC in Windows Vista. The products correctly separate the program executables from the user-writeable data, allowing security control within the security structure of Vista. OPCcalc and EDICTvb.Net will properly inform the operating system if applications require administrative permission so that UAC settings (permission elevation) can take effect. Many existing software products do not run properly on Windows Vista. Although Vista has added support for existing applications through features like file and registry virtualization, these "fixes" are temporary and applications should be written to explicitly support the changes in Vista.Vista has "locked down" many of the directories and registry locations that were previously writeable by most users (Windows, Program Files, HKEY_LOCAL_MACHINE). Applications that require machine-wide settings and multi-user access should centralize these settings and files without opening up the permissions on restricted areas. User Account Control (UAC) in Vista can elevate the permissions of standard users if the application correctly informs Vista that administrative permissions are required. For EDICTvb.Net, version 3.3.0 adds two new functions for retrieving arrays of tag values (compressed and samples values) directly into your equation logic (these functions are already available in OPCcalc)Version 3.3 Features include

  • Support for Windows 2000, 2003, XP and Vista
  • Support for Visual Basic .Net 2005 (including VB.Net Express Edition)
  • Intuitive Equation Editor and Scheduler
  • Access to the entire VB.Net language (math function, user-written functions, variables, web services, relational databases)
  • Over 100 built-in functions for tag access (including aggregate data), time manipulation, and math operations
  • Reading and writing to multiple OPC/PI Servers
  • Built-in equation diagnostics (execution duration, last completed execution)
  • Remote monitoring, starting, and stopping of calculations
  • Equation Database
  • Order-of-execution control
  • Multiple debug options and multi-pass test-mode execution

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