Runtime closes unexpectedly when using the variable diagnosis screen in version 6.51 with runtime files compiled from a 7.xx editor

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• In a specific case the zenon runtime may close unexpectedly when opening a Variable diagnosis screen.

  Summary If a project is engineered in zenon 7.10 editor and runtime files are compiled for an earlier zenon version, the targeted zenon runtime may suddenly close when opening a Variable diagnosis screen containing variables to display. If runtime ...

• FAQ: From a certain amount of connected Smart Clients the Smart Server closes unexpectedly, what can I do?

  It is possible that the Smart Server closes as it runs out of possible memory address space for a 32-bit application. In this case use the Smart Server 64-bit version.

• Under specific circumstances the runtime may close unexpectedly when writting values to the hardware via the variable diagnosis screen.

  Summary When executing the diagnosis screen specific function all variables: write set values from the standby server with both servers running, the runtime may close suddenly if this function is executed repeatedly with different variable's ...

• FAQ: Which IE version is used by the HTML screen? Which Plugins can be executed?

  The HTML-screen created in zenon does not use the default-browser installed on the operating system. It uses the pre-installed rendering-engine of Microsoft, called "Microsoft Web Browser Control". This program emulates the Internet Explorer. ...

• The runtime may produce an unhandled exception when closing a variable diagnosis screen.

  Summary The closing of a variable diagnosis screen can generate an access violation error that forces the runtime to close unexpectedly. Description The closing of a variable diagnosis screen can generate an access violation error that forces the ...