Contoh program Modbus TCP Slave

4. Contoh program Modbus TCP Slave

#include <SPI.h>

#include <Ethernet.h>

#include <ModbusIP.h>

IPAddress ip(192,168,1,177);

ModbusIP mb;

void setup()

{

  Ethernet.begin(mac, ip);

  Serial.begin(9600);

  mb.server();

  mb.addCoil(0, true);

  mb.addHreg(0, 1234);

}

void loop()

{

  mb.task();

}