ESP8266 Scada SVG Modbus RTU Slave Serial

Introduction to Modbus Modbus protocol is a master-slave communications Industrial architecture (RTU), created to be implemented Modicon PLCs. Why use this protocol and consider that it is better than other industrial protocols, implementation is easy and simple network configuration dropping…

Modbus RTU Master tests with Arduino via RS232 and screen Panasonic GT01

  On this occasion I made our arduino communication with HMI Panasonic GT01 monochrome display via RS232 Modbus RTU, Arduino screen as Master and slave. Summary 1 The value of the ADC 0 of arduino from a potentiometer 100 k…