HMI WEINTEK Connect Arduino Menggunakan protokol Modbus RTU

 HMI WEINTEK Connect Arduino Menggunakan protokol Modbus RTU 

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/****Arduino MODBUS RTU***
 * 
 * Source Code By : Lukman Amirul F ( dengan Bantuan Kopas Kono kene :v)
 * 
 * MODBUS library written by Jason Vreeland [CodeRage]
 * Released 3/7/2010 under GNU license
 * https://code.google.com/archive/p/arduino-modbus-slave/downloads
 */
#include <modbus.h>
#include <modbusDevice.h>
#include <modbusRegBank.h>
#include <modbusSlave.h>
modbusDevice regBank;
modbusSlave slave;

#define GREEN_LED 3
#define RED_LED 5
#define BUTTON 2
#define POTENTIOMETER A0

void setup()
{   
  pinMode(GREEN_LED, OUTPUT);
  pinMode(RED_LED, OUTPUT);
  pinMode(BUTTON, INPUT_PULLUP);

  //Assign the Modbus Slave ID.
  regBank.setId(1);

  //Add Digital Output registers
  regBank.add(1);

  //Add Digital Input registers
  regBank.add(10001);
  
  //Add Analog Output registers  
  regBank.add(40010);   
  
  //Analog input registers
  regBank.add(30001);
  
  slave._device = &regBank; 
  // Initialize the baudrate serial port 
  // Set in SCADA: Baud rate=9600,Data bits=8,Stop bits=1,Parity=None,Flow control=None
  slave.setBaud(9600);  
}

void loop()
{
  //Digital output
  int DO3 = regBank.get(1);
  if (DO3 <= 0 && digitalRead(GREEN_LED) == HIGH)digitalWrite(GREEN_LED,LOW);
  if (DO3 >= 1 && digitalRead(GREEN_LED) == LOW)digitalWrite(GREEN_LED,HIGH);
  
  //Digital Input
  byte DI2 = digitalRead(BUTTON);
  if (DI2 >= 1)regBank.set(10001,0);
  if (DI2 <= 0)regBank.set(10001,1);
    
  //Analog input
  regBank.set(30001, (word)analogRead(POTENTIOMETER));

  //Analog output 
  word AO10 = regBank.get(40010);
  analogWrite(RED_LED,AO10);
  
  slave.run();
  delay(100);
}

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