using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Modbus.Device;
using System.Net.Sockets;

namespace Test_Modbus
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }


        ModbusIpMaster master;
        TcpClient client;
        
        private void button1_Click(object sender, EventArgs e)
        {
            client = new TcpClient();
            client.SendTimeout = 2000;
            client.ReceiveTimeout = 2000;
            client.Connect("192.168.1.90", 502);

            if(client.Connected)
            {
                master = ModbusIpMaster.CreateIp(client);
                master.Transport.ReadTimeout = 2000;
                master.Transport.WriteTimeout = 2000;

                var listI = master.ReadInputRegisters(0, 1);
                master.WriteSingleRegister(0, 2);
            }

        }
    }
}