/// <summary>
 /// 通讯连接参数调整
 /// </summary>
 public void SetConnectParameter()
 {
     master = ModbusSerialMaster.CreateUsb(hidDevice);
     master.Transport.ReadTimeout             = Convert.ToInt32(ReadTimeout);
     master.Transport.Retries                 = Convert.ToInt32(Retries);
     master.Transport.WaitToRetryMilliseconds = Convert.ToInt32(WaitToRetryMS);
     master.Transport.WriteTimeout            = Convert.ToInt32(WriteTimeout);
 }