SIL Safety Integrity Level
https://safetyandsis.com/es/

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https://autonomylogic.com/ OpenPLC: A multi-hardware Programmable Logic Controller

https://plc247.com/

http://www.infoplc.net
CODESYS para programar plc
https://instrumentacionycontrol.net/

http://www.scadabr.com.br/
pvbrowser HMI / SCADA
libmodbus.org
pyscada.readthedocs.io

https://drive.google.com/drive/folders/1-eF9ni2wzGwQfy7WzUHZ-XYYPKadeEnP