Activity for pawel
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pawel modified a comment on discussion Runtime 🇬🇧
Hello, I want to do similar thing as you, to make the Arduino Mega to become I/O for Raspberry Pi. But I have a problem with connecting Arduino to Raspberry (i can ping arduino from Raspberry). Should i configure something from RPi side yet? For Arduino I have based on your program (but i had to use Ethernet2 library) and configuration for Codesys seems the same as yours (except chanels for modbus slave). In online i can see this:
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Hello, I want to do similar thing as you, to make the Arduino Mega to become I/O for Raspberry Pi. But I have a problem with connecting Arduino to Raspberry. Should i configure something from RPi side yet? For Arduino I have based on your program (but i had to use Ethernet2 library) and configuration for Codesys seems the same as yours (except chanels for modbus slave). In online i can see this:
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Hello I want to connect raspberry pi (3B+) with arduino (Mega + ethernet shield) using ArduinoModbus library on arduino and Codesys on Raspberry Pi. The point is to make the arduino (slave) as I/O device while Raspberry (master) is a PLC. I have a problem that i cannot connect to raspberry (program in attachment, ModbusTry_V2). I have noticed that something happens on codesys side as you can see on pic_1 and then come back to proper config (pic_2). I can ping arduino from raspberry. All posts i have...