Marcelo Delgado-del-Carpio, A. Hilario-Tacuri, Carlos A. Hernández-Gutiérrez
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Modeling and Implementation of a Specific Microprocessor to Enhance the Performance of PLCs Employing FPGAs
This work presents the design of a microprocessor synthesized in FPGA based on the IEC 61131-3 standard. We report the architecture, and the operation of the internal hardware which allows the execution of Instruction List (IL). One of the most important components is the operands_selector block which allows memory elements, inputs, or outputs of the microprocessor to be treated as operands. Two ALUs are available to perform a bit, integer, and floating-point operations. The implementation of this microprocessor allows concluding that our designed microprocessor implemented in xc7a100tcsg324 (Xilinx) or EP4CE10E22C8 (Intel) FPGAs is superior in their execution times compared to the microprocessor evaluated in early studies and to one of the S7-1500 family processor.
期刊介绍:
Journal of Electrical and Electronics Engineering is a scientific interdisciplinary, application-oriented publication that offer to the researchers and to the PhD students the possibility to disseminate their novel and original scientific and research contributions in the field of electrical and electronics engineering. The articles are reviewed by professionals and the selection of the papers is based only on the quality of their content and following the next criteria: the papers presents the research results of the authors, the papers / the content of the papers have not been submitted or published elsewhere, the paper must be written in English, as well as the fact that the papers should include in the reference list papers already published in recent years in the Journal of Electrical and Electronics Engineering that present similar research results. The topics and instructions for authors of this journal can be found to the appropiate sections.