IEC870 Stack: Connection error for 101 after implementing IPv6 support

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• Some drivers, e. g. MODRTU32, cause the zenon Logic runtime to show unexpected behaviour when running as IEC 61850 server when the driver connectes to the listening port of the IEC 61850 server within the zenon Logic runtime.

  Summary When the zenon Logic runtime is running as a IEC 61850 server, the connection attempt of some drivers, e. g. MODRTU32 to the listening port of the IEC 61850 server within zenon Logic results in an unexpected behaviour of the zenon Logic ...

• Print current values -> exception code 0xc0000409 STATUS_STACK_BUFFER_OVERRUN

  Description When printing current values in the Service Engine, zenon is terminated without an error message. Windows logs an error "0xc0000409 STATUS_STACK_BUFFER_OVERRUN". The print job refers to an internal driver string variable that has a long ...

• FAQ: What can I do if the Service Engine does not start or is closed with an unhandled exception and the error message "(InitInstance (); an unnamed file has a bad format)" or "Init Instance (): an attempt was made to access an unnamed file past its end" is shown?

  This issue may occur due to missing digital certificates on the system where the error appears. Microsoft Windows implements a mechanism that automatically downloads, over the internet, trusted root certificate authorities, which are not installed ...

• Compatibility problem with Access IEC60870-5-104, can't load setting from XML

  Description After updating zenon Software Platform to a build that supports IPv6, IEC870 Master does not get a connection to IEC870 Slave in 101-Unbalanced mode.. This has been fixed. To benefit from this fix: Update your zenon Software Platform to ...

• stack is overwritten when executing function to set alarm group/class active

  Description In specific situations a buffer overrun could occur on the stack in connection with actions in the screen of type AML. This had no effect on the functionality of the Service Engine and was not noticed by the user. With zenon Software ...