Andrzej Stec

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The paper describes Small Data Acquisition System, named PACQ, which can be used for collecting data from user-programmable I/O modules and sharing data through a web browser. All connections and data transfers between the client and the server are secure. Due to the resource restrictions only symmetric cryptography and challenge-response protocol could be(More)
A prototype environment called CPDev for programming small distributed control-and-measurement systems in Structured Text (ST) language of IEC 61131-3 standard is presented. The environment consists of a compiler, simulator and configurer of hardware resources, including communications. Programming a mini-DCS (<i>Distributed</i> <i>Control</i>(More)