I start with the following question Arduino can be used in industrial aplicaiones? of course, using a common protocol used in the industry called Modbus Serial RTU in this case configured as Master.
MODBUS communication is done by sending the value of A0 (ADC0) 10 modbus records using a potentiometer 100k variation is performed.
Modbus RTU Frame
created by smarmengol.
1 Potenciometro 100K
1 Display Oled 128x64