This example demonstrates how serial communication can be implemented, how ports are opened, closed on Raspberry Pi to communicate with Arduino via COM Port RS232 by using CODESYS. The Demo set the ...

These firmwares configure Arduino Uno/Mega as Modbus input/output boards (RTU, no ASCII). This is especially useful for teaching purposes, as it provides hardware compatible with commercial PLC ...

While traditional PLC suppliers offer established software and support, the low-cost, highly customizable nature of Arduino and Pi systems is driving their adoption in industrial settings. Aug. 6, ...