Introduction: Arduino Modbus Master RTU and HMI GT01 Panasonic

Picture of Arduino Modbus Master RTU and HMI GT01 Panasonic

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 will be displayed on the HMI Panasonic

2. value entered from a numeric keypad from the HMI was displayed from the arduino oled screen.

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Step 1: Conections and Arquitecture

Picture of Conections and Arquitecture

one Max232 is required for physical comunicaion between Arduino and the Panasonic screen.

OLED display for debugging and visualization features data is used from Arduino.

Components and materials required for testing

1 Arduino mega 2560 R3

1 Display Oled 128 x 64 I2C

1 Converter TTL to RS232

1 HMI GT01 Panasonic

1 Protoboard 830 points

Step 2: GTWIN Panasonic

Picture of GTWIN Panasonic

The Panasonic GT01 screen is programmed into the software GTWIN

records follows redirected

GDT0 = Holding Register [0]

GDT1 = Holding Register [1]

Step 3: Final Test

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