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);
}
}