private void SocketServer_NewMessage1Event(Socket socket, string Message)
{
try
{
SimpleLogHelper.Instance.WriteLog(LogType.Info, Message);
if (Message.Length != 24)
{
return;
}
AddLog("PLC数据请求" + Message);
ModbusTcpServer modbusTcpServer = new ModbusTcpServer();
modbusTcpServer.AffairID = Message.Substring(0, 4);
modbusTcpServer.ProtocolID = Message.Substring(4, 4);
int requestDataLength = MathHelper.HexToDec(Message.Substring(Message.Length - 4, 4)); //请求数据长度
modbusTcpServer.BackDataLength = MathHelper.DecToHex((requestDataLength * 2).ToString()).PadLeft(2, '0');
modbusTcpServer.SlaveId = Message.Substring(12, 2);
modbusTcpServer.Length = MathHelper.DecToHex((3 + requestDataLength * 2).ToString()).PadLeft(4, '0');
string backdata = modbusTcpServer.AffairID + modbusTcpServer.ProtocolID + modbusTcpServer.Length + modbusTcpServer.SlaveId + ModbusFunction.ReadHoldingRegisters + modbusTcpServer.BackDataLength;
string chengxuhao = ini.ReadIni("Request", "Index");
if (string.IsNullOrEmpty(chengxuhao))
{
chengxuhao = "0";
}
chengxuhao = MathHelper.DecToHex(chengxuhao).PadLeft(4, '0');
string xinghao = MathHelperEx.StrToASCII1(ini.ReadIni("Request", "ModelNum"));
string xinghaolength = MathHelper.DecToHex((ini.ReadIni("Request", "ModelNum").Length * 2).ToString()).PadLeft(4, '0');
backdata += (chengxuhao + xinghaolength + xinghao).PadRight(104, 'F');
string wuliaobianhao = MathHelperEx.StrToASCII1(ini.ReadIni("Request", "WuLiaoBianHao"));
string wuliaobianhaolength = MathHelper.DecToHex((ini.ReadIni("Request", "WuLiaoBianHao").Length * 2).ToString()).PadLeft(4, '0');
backdata += (wuliaobianhaolength + wuliaobianhao).PadRight(100, 'F');
if (this.socketServer.IsConnected(this.socketClient))
{
characterConversion = new CharacterConversion();
this.socketServer.Send(this.socketClient, characterConversion.HexConvertToByte(backdata));
AddLog("返回PLC数据：" + backdata);
CopyMesToPlc();
}
this.LinkToPlcTimer.Start();
Dispatcher.BeginInvoke(new Action(() =>
{
this.PlcState.Source = ConnectResult.Success;
}));
}
catch
{
AddLog("PLC请求数据失败");
this.LinkToPlcTimer.Start();
Dispatcher.BeginInvoke(new Action(() =>
{
this.PlcState.Source = ConnectResult.Fail;
}));
}
}
private void SocketServer_NewMessage1Event(System.Net.Sockets.Socket socket, string Message)
{
try
{
if (this.opcHelper.OpcServerState == (int)OPCServerState.OPCRunning)
{
ModbusTcpServer modbusTcpServer = new ModbusTcpServer();
modbusTcpServer.AffairID = Message.Substring(0, 4);
modbusTcpServer.ProtocolID = Message.Substring(4, 4);
int requestDataLength = MathHelper.HexToDec(Message.Substring(Message.Length - 4, 4)); //请求数据长度
modbusTcpServer.BackDataLength = MathHelper.DecToHex((requestDataLength * 2).ToString()).PadLeft(2, '0');
modbusTcpServer.SlaveId = Message.Substring(12, 2);
modbusTcpServer.Length = MathHelper.DecToHex((3 + requestDataLength * 2).ToString()).PadLeft(4, '0');
string backdata = modbusTcpServer.AffairID + modbusTcpServer.ProtocolID + modbusTcpServer.Length + modbusTcpServer.SlaveId + ModbusFunction.ReadHoldingRegisters + modbusTcpServer.BackDataLength;
if (models.Count < requestDataLength / 2)
{
return;
}
for (int i = 0; i < requestDataLength / 2; i++)
{
string a = MathHelper.SingleToHex(models[i].Value);
if (i == 25)
{
Console.WriteLine(a);
}
backdata += a.Substring(4, 4) + a.Substring(0, 4);
}
characterConversion = new CharacterConversion();
this.SocketServer.Send(socket, characterConversion.HexConvertToByte(backdata));
}
else
{
if (ReConnectToOpcTimer.IsEnabled == false)
{
ReConnectToOpcTimer.Start();
}
}
}
catch (Exception ex)
{
if (ReConnectToOpcTimer.IsEnabled == false)
{
ReConnectToOpcTimer.Start();
}
SimpleLogHelper.Instance.WriteLog(LogType.Error, ex);
}
}
private void Com_DataReceiveEvent(object sender, COMMEventArgs e)
{
if (e.BackDataAsHex.Length == 16)
{
SimpleLogHelper.Instance.WriteLog(LogType.Info, "有数据请求：" + e.BackDataAsHex);
//发送modbus
var a = ini.ReadIni("Config", "Name").Split(',');
string b = "";
foreach (var item in a)
{
b += ini.ReadIni("Config", item);
}
string length = (a.Length * 4).ToString("X2");
b = "0103" + length + b;
b += CRC.ToModbusCRC16(b);
SimpleLogHelper.Instance.WriteLog(LogType.Info, "返回的数据：" + b);
CharacterConversion ch = new CharacterConversion();
byte[] c = ch.HexConvertToByte(b);
com.Send(c);
}
}
private void PLCGetTimer_Tick(object sender, EventArgs e)
{
try
{
//检测连接是否成功
if (socPlc.IsConnected)
{
if (this.IsIpOrPortChange())
{
socPlc.Disconnect();
this.ConnectToPlc();
}
if (socPlc.IsConnected)
{
SetConnectState(ConnectResult.Success);
string senddata = ini.ReadIni("Config", "SendData"); //01 E8 00 00 00 06 01 03 9D 08 00 7C
if (senddata.Length != 24)
{
SimpleLogHelper.Instance.WriteLog(LogType.Info, "SendData:" + senddata + " Length: " + senddata.Length);
}
CharacterConversion cc = new CharacterConversion();
socPlc.Send(socPlc.ClientSocket, cc.HexConvertToByte(senddata));
}
else
{
SetConnectState(ConnectResult.Fail);
}
}
else
{
socPlc.NewMessageEvent -= SocPlc_NewMessageEvent;
if (ConnectToPlc())
{
SetConnectState(ConnectResult.Success);
}
else
{
SetConnectState(ConnectResult.Fail);
SetConnectState(imgAutoRun, "0");
SetConnectState(imgCheckState, "0");
SetConnectState(imgErrorState, "0");
SetConnectState(imgWaitState, "0");
}
}
//检测数据库连接状态
if (!sql.TestConn)
{
if (ConnectToDataBase())
{
this.txbCaiJiXinXi.Foreground = new SolidColorBrush(Colors.White); //红色表示与数据库没有连接成功
}
else
{
this.txbCaiJiXinXi.Foreground = new SolidColorBrush(Colors.Red); //红色表示与数据库没有连接成功
}
}
}
catch (Exception ex)
{
}
}
