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https://wilo.com/id/en/Solutions-Finder/Connectivity/Building-automation/Modbus/ https://wilo.com/id/en/Solutions-Finder/Connectivity/Building-automation/CANopen/ https://en.wikipedia.org/wiki/EtherCAT?sa=X&ved=2ahUKEwj4tJH1panrAhXEwTgGHe03DRcQ9QF6BAgIEAI https://www.esacademystore.eu/en/microcanopenplus https://www.unilever.com/