Пример #1
0
 private void but_open_Click(object sender, EventArgs e)
 {
     try
     {
         client?.Close();
         if (chb_rtudata.Checked)
         {
             client = new ModBusTcpRtuClient(txt_ip.Text?.Trim(), int.Parse(txt_port.Text?.Trim()));
         }
         else
         {
             client = new ModBusTcpClient(txt_ip.Text?.Trim(), int.Parse(txt_port.Text?.Trim()));
         }
         var result = client.Open();
         if (result.IsSucceed)
         {
             but_read.Enabled     = true;
             but_write.Enabled    = true;
             but_open.Enabled     = false;
             but_close.Enabled    = true;
             but_sendData.Enabled = true;
             AppendText($"连接成功");
         }
         else
         {
             MessageBox.Show($"连接失败:{result.Err}");
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }
Пример #2
0
        private void but_sendData_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(txt_dataPackage.Text))
                {
                    MessageBox.Show("请输入要发送的报文");
                    return;
                }
                var dataPackageString = txt_dataPackage.Text.Replace(" ", "");
                if (dataPackageString.Length % 2 != 0)
                {
                    MessageBox.Show("请输入正确的的报文");
                    return;
                }

                var dataPackage = DataConvert.StringToByteArray(txt_dataPackage.Text?.Trim(), false);
                var msg         = client.SendPackage(dataPackage);
                AppendText($"[请求报文]{string.Join(" ", dataPackage.Select(t => t.ToString("X2")))}");
                AppendText($"[响应报文]{string.Join(" ", msg.Select(t => t.ToString("X2")))}\r\n");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                client.Close();
                client.Open();
            }
        }