tAotomation

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  1. memory allocation on CoDeSys or TwinCAT

    tAotomation posted a topic in Other PLCs

    hallo to everybody, I would like to know how CoDeSys/TwinCAT systems allocates memory. When I declare VAR_CONF, for example STRUCT, it's possible that this STRUCT overwrites some other variables? How variables are addressed? By simbol or by address. I need to declare STRUCTs like a DB (DATA BLOCK) as on Siemens PLCs, is it possible?? Thanks. PS: sorry for my bad english.