示例#1
0
        private void btnMbSend_Click(object sender, EventArgs e)
        {
            var sd = ModBus.HexStrToHexByte(txtMbData.Text.Trim());//开

            _serverSocket.Send(sd, sd.Length, 0);
            ShowMsg("已发送:" + txtMbData.Text.Trim());
        }
示例#2
0
 private void btnSend_Click(object sender, EventArgs e)
 {
     if (cmbFunc.SelectedIndex == 1)//读
     {
         var sd = ModBus.ModBusWrite(int.Parse(txtSlave.Text.Trim()), ModBus.ModBusFunction.WriteCoil,
                                     int.Parse(txtAddr.Text.Trim()), cmbData.SelectedIndex == 0);//写数据
         _serverSocket.Send(sd, sd.Length, 0);
         ShowMsg("已发送:" + ModBus.HexByteToHexStr(sd));
     }
     else//写
     {
         var sd = ModBus.ModBusRead(int.Parse(txtSlave.Text.Trim()), ModBus.ModBusFunction.ReadCoils,
                                    int.Parse(txtAddr.Text.Trim()), 1);//写数据
         _serverSocket.Send(sd, sd.Length, 0);
         ShowMsg("已发送:" + ModBus.HexByteToHexStr(sd));
     }
 }
示例#3
0
 private void ListenSlave(object s)
 {
     try
     {
         byte[] recByte = new byte[1024];
         while (true)
         {
             var bytes  = _serverSocket.Receive(recByte, recByte.Length, 0);
             var rcvbt1 = new byte[bytes];
             Array.Copy(recByte, 0, rcvbt1, 0, bytes);
             var rst = ModBus.HexByteToHexStr(rcvbt1);
             ShowMsg(!rst.StartsWith("33") ? "收到消息:" + Encoding.UTF8.GetString(rcvbt1) : "收到消息:" + rst);//33开头的属于modbus码
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }
示例#4
0
        private static string WriteRead(string hexdata, Socket serverSocket)
        {
            byte[] recByte = new byte[1024];
            var    sd      = ModBus.HexStrToHexByte(hexdata);//开

            serverSocket.Send(sd, sd.Length, 0);
            int bytes  = serverSocket.Receive(recByte, recByte.Length, 0);
            var rcvbt1 = new byte[bytes];

            Array.Copy(recByte, 0, rcvbt1, 0, bytes);
            var rst = ModBus.HexByteToHexStr(rcvbt1);
            var s   = rst.Replace("7777772E7573722E636E", "");

            if (s == "")//排除第一个空
            {
                bytes  = serverSocket.Receive(recByte, recByte.Length, 0);
                rcvbt1 = new byte[bytes];
                Array.Copy(recByte, 0, rcvbt1, 0, bytes);
                rst = ModBus.HexByteToHexStr(rcvbt1);
                s   = rst.Replace("7777772E7573722E636E", "");
            }
            return(s);
        }