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Dear colleagues,
I would like to speak out a warning to all of you who are using BACnet with Beckhoff TwinCAT BACnet Server 2.11 (or later) or have customers who do.
In previous versions of the software the nesting of structured views was reflected in the key name of the EDE-file export of the PLC project, which is no longer the case in TwinCAT v2.11. As a result, only the leaf object name will be used as the key-name and consequently one may end up with duplicate key-names in the exported EDE-file. As a further consequence this may lead to a messed up variable database and mapping in PcVue, when using the Smart Generator BACnet.
In order to avoid this situation, remember to tick the option "Create Structured Keynames" when exporting the EDE-file from TwinCAT. Thus, the key name will consist of the BACnet object name prefixed with the full hierarchy of nested structured views.
The StructuredView naming elements will appear in the key-names of the EDE-file and in PcVue delimited by the circumflex-character (^).
Posted : 09/07/2018 7:40 pm