/// <summary>
/// Simple Modbus TCP slave example.
/// </summary>
public static void StartModbusTcpSlave()
{
int port = 502;
IPAddress address = new IPAddress(new byte[] { 127, 0, 0, 1 });
// create and start the TCP slave
TcpListener slaveTcpListener = new TcpListener(address, port);
slaveTcpListener.Start();
IModbusFactory factory = new ModbusFactory();
IModbusSlaveNetwork network = factory.CreateSlaveNetwork(slaveTcpListener);
IModbusSlave slave1 = factory.CreateSlave(1);
IModbusSlave slave2 = factory.CreateSlave(2);
network.AddSlave(slave1);
network.AddSlave(slave2);
network.ListenAsync().GetAwaiter().GetResult();
// prevent the main thread from exiting
Thread.Sleep(Timeout.Infinite);
}
/// <summary>
/// Simple Modbus TCP slave example.
/// </summary>
private void StartModbusTcpSlave()
{
IPAddress ipaddress = IPAddress.Parse(Address);
Console.WriteLine($"Listening on '{Address}:{Port}' at slave ID={SlaveID}.");
// create and start the TCP slave
TcpListener slaveTcpListener = new TcpListener(ipaddress, Port);
slaveTcpListener.Start();
IModbusFactory factory = new ModbusFactory();
IModbusSlaveNetwork network = factory.CreateSlaveNetwork(slaveTcpListener);
// Set the storage operation event handlers.
_storage.InputRegisters.StorageOperationOccurred += InputRegistersStorageOperationOccurred;
_storage.HoldingRegisters.StorageOperationOccurred += HoldingRegistersStorageOperationOccurred;
// Start the update timer.
_timer = new Timer(OnTimerElapsed, null, 0, -1);
// create and start the Modbus slave
IModbusSlave slave = factory.CreateSlave(SlaveID, _storage);
network.AddSlave(slave);
network.ListenAsync().GetAwaiter().GetResult();
// prevent the main thread from exiting
Thread.Sleep(Timeout.Infinite);
}
/// <summary>
/// Simple Modbus TCP slave example.
/// </summary>
private void StartModbusTcpSlave()
{
int port = 504;
byte slaveid = 180;
IPAddress address = new IPAddress(new byte[] { 127, 0, 0, 1 });
Console.WriteLine($"Listening on '{address}:{port}' at slave ID={slaveid}.");
// create and start the TCP slave
TcpListener slaveTcpListener = new TcpListener(address, port);
slaveTcpListener.Start();
IModbusFactory factory = new ModbusFactory();
IModbusSlaveNetwork network = factory.CreateSlaveNetwork(slaveTcpListener);
_storage.HoldingRegisters.StorageOperationOccurred += HoldingRegistersStorageOperationOccurred;
IModbusSlave slave = factory.CreateSlave(slaveid, _storage);
network.AddSlave(slave);
network.ListenAsync().GetAwaiter().GetResult();
// prevent the main thread from exiting
Thread.Sleep(Timeout.Infinite);
}
/// <summary>
/// Simple Modbus TCP slave example.
/// </summary>
public static void StartModbusTcpSlave()
{
IPAddress address = new IPAddress(new byte[] { 0, 0, 0, 0 });
// create and start the TCP slave
TcpListener slaveTcpListener = new TcpListener(address, _port);
slaveTcpListener.Start();
IModbusFactory factory = new ModbusFactory();
IModbusSlaveNetwork network = factory.CreateSlaveNetwork(slaveTcpListener);
for (byte i = 1; i <= _maxDeviceId; i++)
{
var dataStore = new MySlaveDataStore(_maxSize);
IModbusSlave slave = factory.CreateSlave(i, dataStore);
network.AddSlave(slave);
SlaveDataStores.Add(i, dataStore);
}
network.ListenAsync().GetAwaiter().GetResult();
// prevent the main thread from exiting
Thread.Sleep(Timeout.Infinite);
}
private static void Main(string[] args)
{
const int port = 502;
IPAddress localaddr = new IPAddress(new byte[] { 127, 0, 0, 1 });
TcpListener slaveTcpListener = new TcpListener(localaddr, port);
slaveTcpListener.Start();
// NullModbusLogger.Instance = ;
IModbusFactory factory = new ModbusFactory(null, true, new ReadLogger());
IModbusSlaveNetwork network = factory.CreateSlaveNetwork(slaveTcpListener);
List <string> ips = new List <string> {
"192.168.8.200", "192.168.8.201", "192.168.8.202"
};
for (int i = 0; i < ips.Count; i++)
{
SlaveStorage storage = new SlaveStorage();
ElektronikondataReader reader = new ElektronikondataReader(i + 1, storage);
Task.Factory.StartNew(ElektronikondataReader.ReadDataThread, reader);
IModbusSlave slave = factory.CreateSlave((byte)i, storage);
network.AddSlave(slave);
}
network.ListenAsync().GetAwaiter().GetResult();
// prevent the main thread from exiting
// Thread.Sleep(Timeout.Infinite);
Console.WriteLine("Press any key to exit " + args);
Console.ReadKey();
}
static void Main(string[] args)
{
int port = 502;
var address = new IPAddress(new byte[] { 127, 0, 0, 1 });
var factory = new ModbusFactory();
using (var serialPort = new SerialPort("COM1"))
{
var adapter = new SerialPortAdapter(serialPort);
var master = factory.CreateRtuMaster(adapter);
var slaveTcpListener = new TcpListener(address, port);
slaveTcpListener.Start();
var tcpNetwork = factory.CreateSlaveNetwork(slaveTcpListener);
var proxy1 = factory.CreateSlaveProxy(1, master);
var proxy2 = factory.CreateSlaveProxy(2, master);
tcpNetwork.AddSlave(proxy1);
tcpNetwork.AddSlave(proxy2);
var tcpClient = new TcpClient(address.ToString(), port);
var secondMaster = factory.CreateMaster(tcpClient);
ushort[] holdingRegs = secondMaster.ReadHoldingRegisters(1, 1, 2);
}
}
/// <summary>
/// Modbus serial ASCII master and slave example.
/// </summary>
public static void ModbusSerialAsciiMasterReadRegistersFromModbusSlave()
{
using (SerialPort masterPort = new SerialPort("COM1"))
using (SerialPort slavePort = new SerialPort("COM2"))
{
// configure serial ports
masterPort.BaudRate = slavePort.BaudRate = 9600;
masterPort.DataBits = slavePort.DataBits = 8;
masterPort.Parity = slavePort.Parity = Parity.None;
masterPort.StopBits = slavePort.StopBits = StopBits.One;
masterPort.Open();
slavePort.Open();
var slaveAdapter = new SerialPortAdapter(slavePort);
// create modbus slave on seperate thread
byte slaveId = 1;
var factory = new ModbusFactory();
var transport = factory.CreateAsciiTransport(slaveAdapter);
var network = factory.CreateSlaveNetwork(transport);
var slave = factory.CreateSlave(slaveId);
network.AddSlave(slave);
var listenTask = network.ListenAsync();
var masterAdapter = new SerialPortAdapter(masterPort);
var masterTransport = factory.CreateAsciiTransport(masterAdapter);
// create modbus master
IModbusSerialMaster master = factory.CreateMaster(masterTransport);
master.Transport.Retries = 5;
ushort startAddress = 100;
ushort numRegisters = 5;
// read five register values
ushort[] registers = master.ReadHoldingRegisters(slaveId, startAddress, numRegisters);
for (int i = 0; i < numRegisters; i++)
{
Console.WriteLine($"Register {(startAddress + i)}={registers[i]}");
}
}
// output
// Register 100=0
// Register 101=0
// Register 102=0
// Register 103=0
// Register 104=0
}
//使用.net core 3.1架構開發 - https://docs.microsoft.com/zh-tw/dotnet/core/introduction
//使用NModbus開源程式碼實作Modbus通訊 - https://github.com/NModbus/NModbus
static void Main(string[] args)
{
ModbusFactory modbusFactory = new ModbusFactory();
TcpListener tcpListener = new TcpListener(new IPEndPoint(IPAddress.Any, 502));
IModbusSlaveNetwork modbusSlaveNetwork = modbusFactory.CreateSlaveNetwork(tcpListener);
IModbusSlave modbusSlave = modbusFactory.CreateSlave(1);
modbusSlaveNetwork.AddSlave(modbusSlave);
modbusSlaveNetwork.ListenAsync();
Process.GetCurrentProcess().WaitForExit();
}
/// <summary>
/// Modbus TCP master and slave example.
/// </summary>
public static void ModbusTcpMasterReadInputsFromModbusSlave()
{
byte slaveId = 1;
int port = 502;
IPAddress address = new IPAddress(new byte[] { 127, 0, 0, 1 });
// create and start the TCP slave
TcpListener slaveTcpListener = new TcpListener(address, port);
slaveTcpListener.Start();
var factory = new ModbusFactory();
var network = factory.CreateSlaveNetwork(slaveTcpListener);
IModbusSlave slave = factory.CreateSlave(slaveId);
network.AddSlave(slave);
var listenTask = network.ListenAsync();
// create the master
TcpClient masterTcpClient = new TcpClient(address.ToString(), port);
IModbusMaster master = factory.CreateMaster(masterTcpClient);
ushort numInputs = 5;
ushort startAddress = 100;
// read five register values
ushort[] inputs = master.ReadInputRegisters(0, startAddress, numInputs);
for (int i = 0; i < numInputs; i++)
{
Console.WriteLine($"Register {(startAddress + i)}={(inputs[i])}");
}
// clean up
masterTcpClient.Close();
slaveTcpListener.Stop();
// output
// Register 100=0
// Register 101=0
// Register 102=0
// Register 103=0
// Register 104=0
}
/// <summary>
/// Simple Modbus UDP slave example.
/// </summary>
public static void StartModbusUdpSlave()
{
using (UdpClient client = new UdpClient(502))
{
var factory = new ModbusFactory();
IModbusSlaveNetwork network = factory.CreateSlaveNetwork(client);
IModbusSlave slave1 = factory.CreateSlave(1);
IModbusSlave slave2 = factory.CreateSlave(2);
network.AddSlave(slave1);
network.AddSlave(slave2);
network.ListenAsync().GetAwaiter().GetResult();
// prevent the main thread from exiting
Thread.Sleep(Timeout.Infinite);
}
}
protected override async Task ServiceTaskAsync(CancellationToken cancellationToken)
{
ArcController?.NewLogMessage(LogCode.ModbusStarting);
Logger.Info("begin");
var tcpListener = new TcpListener(IPAddress.Any, TcpPort);
var rtuListener = new TcpListener(IPAddress.Any, RtuOverTcpPort);
Logger.Info("starting listener");
tcpListener.Start();
rtuListener.Start();
Logger.Info("generating slave net");
var factory = new ModbusFactory();
var tcpNetwork = factory.CreateSlaveNetwork(tcpListener);
var rtuNetwork = factory.CreateRtuOverTcpSlaveNetwork(rtuListener);
var slaveTcp = factory.CreateSlave(1);
var slaveRtu = factory.CreateSlave(1, slaveTcp.DataStore);
tcpNetwork.AddSlave(slaveTcp);
rtuNetwork.AddSlave(slaveRtu);
iRegisters = slaveTcp.DataStore.InputRegisters;
hRegisters = slaveTcp.DataStore.HoldingRegisters;
WfqydbServer.PropertyChanged += Wf_PropertyChanged;
var timeOfStart = DateTime.Now.ToUnixTimestamp();
ushort[] timeOfStartBuffer =
{
(ushort)(timeOfStart >> 16),
(ushort)(timeOfStart),
};
var ver = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
ushort[] verBuffer =
{
(ushort)ver.Major,
(ushort)ver.Minor,
(ushort)ver.Build,
};
byte[] myAddress = { 0x01, 0x00, 0x00, 0x00, };
iRegisters.WritePoints(0, verBuffer);
iRegisters.WritePoints(3, timeOfStartBuffer);
Logger.Info("starting slave net. step1");
var tcpListenerTask = tcpNetwork.ListenAsync(cancellationToken);
var rtuListenerTask = rtuNetwork.ListenAsync(cancellationToken);
Logger.Info($"starting slave net. step2 {WfqydbServer.ToString()}");
ArcController?.NewLogMessage(LogCode.ModbusStarted);
ArcController?.NewLogMessage(LogCode.WFQYDBConnecting);
//await WfqydbServer.PullBroadcastQuery().ConfigureAwait(false);
//WfqydbServer.PullBroadcastQuery();
ArcController?.NewLogMessage(LogCode.WFQYDBConnected);
const int waitTime = 100; //ms
const int faultRestTime = 10_000; //ms
const int responseTime = 500; //ms
var lastRequestTime = DateTime.Now;
var lastResetTime = DateTime.Now;
var resetInterval = TimeSpan.FromSeconds(30);
var faultRestTimer = 0;
Logger.Info("entering inf loop");
// Главный цикл до отмены этой задачи.
while (!cancellationToken.IsCancellationRequested)
{
try
{
// состояние связи
iRegisters.WritePoints(5, new ushort[] { (ushort)WfqydbServer.ConnectionState });
// Habdle
var buff = hRegisters.ReadPoints(10, 5);
var cmd = buff[0];
var cmdState = buff[1];
if ((buff[2] + buff[3]) == 0)
{
// Чтобы не было пустого места на элкамрм
hRegisters.WritePoints(12, new ushort[] { currentData[3], currentData[4], currentData[6] });
}
// обработка команд по модбас
if ((cmd > 0) && (cmdState == (ushort)CmdState.Rdy))
{
var upFreq = (byte)buff[2];
var dnFreq = (byte)buff[3];
var stokeRate = (byte)buff[4];
hRegisters.WritePoints(10, new ushort[] { cmd, (ushort)CmdState.Working });
try
{
switch ((Cmd)cmd)
{
case Cmd.Reset:
cmd = 0;
cmdState = 0;
hRegisters.WritePoints(10, new ushort[] { (ushort)Cmd.NoOp, (ushort)CmdState.Rdy });
break;
case Cmd.BroadcastQuery:
lastRequestTime = DateTime.Now;
//await WfqydbServer.PullBroadcastQuery().ConfigureAwait(false);
WfqydbServer.PullBroadcastQuery();
hRegisters.WritePoints(10, new ushort[] { (ushort)Cmd.NoOp, (ushort)CmdState.Rdy });
ArcController?.NewLogMessage(LogCode.WFQYDBCmdRead);
break;
case Cmd.AutoRun:
lastRequestTime = DateTime.Now;
//await WfqydbServer.PullAutoRun(upFreq, dnFreq, stokeRate).ConfigureAwait(false);
WfqydbServer.PullAutoRun(upFreq, dnFreq, stokeRate);
hRegisters.WritePoints(10, new ushort[] { (ushort)Cmd.NoOp, (ushort)CmdState.Rdy });
ArcController?.NewLogMessage(LogCode.WFQYDBCmdCtart, $"u:{upFreq}, d:{dnFreq}, sr:{stokeRate}");
break;
case Cmd.Shutdown:
lastRequestTime = DateTime.Now;
//await WfqydbServer.PullShutdown().ConfigureAwait(false);
WfqydbServer.PullShutdown();
hRegisters.WritePoints(10, new ushort[] { (ushort)Cmd.NoOp, (ushort)CmdState.Rdy });
ArcController?.NewLogMessage(LogCode.WFQYDBCmdCtop);
break;
case Cmd.ThrowException:
throw new Exception("Test exception");
default:
hRegisters.WritePoints(10, new ushort[] { cmd, (ushort)CmdState.NotImplementedCmd });
faultRestTimer = faultRestTime;
break;
}
}
catch (Exception ex)
{
hRegisters.WritePoints(10, new ushort[] { cmd, (ushort)CmdState.CommonError });
faultRestTimer = faultRestTime;
FireOnError(ex);
Logger.Alarm(ex.Message);
ArcController?.NewLogMessage(LogCode.ModbusFailed);
}
}
if (cmdState != (ushort)CmdState.Rdy)
{
if ((faultRestTimer -= waitTime) <= 0)
{
hRegisters.WritePoints(10, new ushort[] { (ushort)Cmd.NoOp, (ushort)CmdState.Rdy });
}
}
await Task.Delay(waitTime, cancellationToken).ConfigureAwait(false);
// передернем сеть rtu. Так как она периодически подвисает.
//var lastResetTime = DateTime.Now;
//var resetInterval = TimeSpan.FromSeconds(30);
if ((lastResetTime + resetInterval) < DateTime.Now)
{
lastResetTime = DateTime.Now;
Logger.Info("restarting rtu");
//var rtuListener = new TcpListener(IPAddress.Any, RtuOverTcpPort);
rtuListener.Stop();
rtuListener.Start();
// var rtuNetwork = factory.CreateRtuOverTcpSlaveNetwork(rtuListener);
// var slaveRtu = factory.CreateSlave(1, slaveTcp.DataStore);
// rtuNetwork.AddSlave(slaveRtu);
// var rtuListenerTask = rtuNetwork.ListenAsync(cancellationToken);
}
}
catch (Exception ex)
{
FireOnError(ex);
Logger.Alarm(ex.Message);
ArcController?.NewLogMessage(LogCode.ModbusFailed);
await Task.Delay(waitTime, cancellationToken).ConfigureAwait(false);
}
}// while
tcpListener.Stop();
rtuListener.Stop();
tcpNetwork.Dispose();
rtuNetwork.Dispose();
await tcpListenerTask.ConfigureAwait(true);
await rtuListenerTask.ConfigureAwait(true);
}
