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somlioy
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2020-01-17 12:22:48+00:00

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  • Posted a comment on discussion Runtime πŸ‡¬πŸ‡§ on CODESYS Forge

    Shouldnt be any difference ... Are they running the same FW aswell? I'd expect it to be an configuration issue since the Port can behave as RS232, 422 or 485. Also verify that there is no owner assigned to the serial port on WBM.

  • Posted a comment on discussion Engineering πŸ‡¬πŸ‡§ on CODESYS Forge

    yes udev is the way to go. wether config rule works you must test on the device.

  • Posted a comment on discussion Engineering πŸ‡¬πŸ‡§ on CODESYS Forge

    You could also do symbolic link from /dev/ttyUSB0/1 to /dev/serial sudo ln -s /dev/ttyUSB0 /dev/serial2 sudo ln -s /dev/ttyUSB1 /dev/serial3 Presuming you keep original .cfg file with Linux.Devicefile=/dev/serial, ttyUSB0/1 will then be available as COM3 and COM4.

  • Posted a comment on discussion Engineering πŸ‡¬πŸ‡§ on CODESYS Forge

    Hi I have a common interface between various frequency drives (ItfDrive). In a function block I have VAR_INPUT ItfFlushingPump : ItfDrive; END_VAR How can I check that the interface is valid/has an assignment to an function block which has implemented this interface? Is there some similar way as with references using __ISVALIDREF()? If no drive is assigned to the function block, and the function block is trying to access any properties or methods of the interface, it will crash ... That's what I...

  • Posted a comment on discussion Engineering πŸ‡¬πŸ‡§ on CODESYS Forge

    opc ua is free. You can compile the Open62541 plugin yourself. https://blog.basyskom.com/building-qt-opc-ua-with-open62541/

  • Posted a comment on discussion Engineering πŸ‡¬πŸ‡§ on CODESYS Forge

    I dont see why it wouldnt be possible to use VS Code, when bechoff has based their environment on Visual Studio.

  • Posted a comment on discussion Runtime πŸ‡¬πŸ‡§ on CODESYS Forge

    What environment is the PLC mounted in? Do you use Wagos power filter card? 750-624 og 750-626 for instance.

  • Posted a comment on discussion Engineering πŸ‡¬πŸ‡§ on CODESYS Forge

    Hi I have 16 modbus slaves which have an idiotic modbus register layout, so I can't do 1 single query for several registers, but 1 query for each register I want. This means I have to do a lot of manual mapping on the function block for the devices, usually I have 2 variables per device like this, which are mapped to the modbus data: VAR_INPUT awDataIn : ARRAY[0..20] OF WORD; END_VAR VAR_OUTPUT awDataOut : ARRAY[0..5] OF WORD; END_VAR And the arrays are mapped internally in the function block. Since...

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