Arduino on Twitter: "Opt in to industrial automation with Opta, our new micro PLC designed with PLC engineers in mind and in partnership with Finder. High-performance and secure, yet easy to use
Iono Uno - Industrial PLC with Arduino core - digiatal/analog I/O Relays RS485 CE
Industrial Arduino! Low Cost Industrial Pick and Place Machine - Instructables
Arduino Industrial 101 | Arduino Documentation
Portenta Machine Control — Arduino Official Store
What is PLC (Programmable Logic Controller) and Various Arduino based PLC Boards