Mostrar Mensajes
Esta sección te permite ver todos los mensajes hechos por este usuario, recuerda que solo puedes ver los mensajes en áreas en donde tu tienes acceso.
// Especificar 2.5 volts en canal 1 de salida analógica (VO1):
VoutWriteVolt(1, 2.5)
SerialSendStr("Counter = %d ", Counter)using stx8xxx;
private ModBusTcpMaster MbMaster;MbMaster = new ModBusTcpMaster(textDeviceIP.Text, (ushort)numDevicePort.Value);MbMaster.OnResponseData += new ModBusTcpMaster.ResponseData(MbMaster_OnResponseData);
MbMaster.OnException += new ModBusTcpMaster.ExceptionData(MbMaster_OnException); private bool ReadPlcCounterRegister()
{
bool ErrorsFound = false;
// Check connection.
if (!IsConnectedMsg())
{
ErrorsFound = true;
return ErrorsFound;
}
// Unique transaction ID (only for identify this transaction on response event).
ushort ID = 2;
// Send "Read Holding Register" request.
MbMaster.ReadHoldingRegister(ID, 40001, 1);
// Return to caller.
return ErrorsFound;
}
private bool WritePlcCounterRegister(ushort Value)
{
bool ErrorsFound = false;
// Check connection.
if (!IsConnectedMsg())
{
ErrorsFound = true;
return ErrorsFound;
}
// Unique transaction ID (only for identify this transaction on response event).
ushort ID = 1;
// Get byte array from "Value".
byte[] Data = BitConverter.GetBytes((ushort)IPAddress.HostToNetworkOrder((ushort)Value));
// Send "Write Single Holding Register" request.
MbMaster.WriteSingleRegister(ID, 40001, Data);
// Return to caller.
return ErrorsFound;
}
private void timerPolling_Tick(object sender, EventArgs e)
{
//
// Check if previous response was received or is ready for new transaction.
//
if (ReadyForTransaction)
{
//
// Check transaction to do: write or read counter register.
//
if (StartWriteTransaction)
{
// Write counter register with 0 value.
WritePlcCounterRegister(0);
}
else
{
// Read PLC counter register.
ReadPlcCounterRegister();
}
}
}
private void MbMaster_OnResponseData(ushort ID, byte function, byte[] values)
{
// ------------------------------------------------------------------------
// Seperate calling threads
// ------------------------------------------------------------------------
if (this.InvokeRequired)
{
this.BeginInvoke(new ModBusTcpMaster.ResponseData(MbMaster_OnResponseData), new object[] { ID, function, values });
return;
}
// ------------------------------------------------------------------------
// Identify requested data
// ------------------------------------------------------------------------
StringBuilder ResponseStr = new StringBuilder("Respuesta recibida: ");
//
// Check ModBus function code received.
//
switch (function)
{
case 3:
ResponseStr.Append("Read holding register ");
//
// Check transaction ID (counter read).
//
if (ID == 2)
{
//
// Get register value.
//
// UInt16 RegisterValue = (UInt16)(((UInt16)(values[0] << 8)) | ((UInt16)(values[1])));
//
// Check architecture endianess.
if (BitConverter.IsLittleEndian)
{
// Reverse array values.
Array.Reverse(values);
}
// Get register value from received bytes.
UInt16 RegisterValue = BitConverter.ToUInt16(values, 0);
// Update text box values on windows form.
UpdateTextBox(RegisterValue);
// Read register is done, now, write register on next timer tick.
StartWriteTransaction = true;
}
break;
case 6:
ResponseStr.Append("Write single register ");
//
// Check transaction ID (counter write).
//
if (ID == 1)
{
// Write register is done, now, read register on next timer tick.
StartWriteTransaction = false;
}
break;
default:
ResponseStr.Append("Unknown ");
break;
}
// Show message in status bar.
ResponseStr.AppendFormat("({0}) - data bytes/words ({1}/{2}).", function, values.Length, values.Length / 2);
PrintStatusBarMessage(ResponseStr.ToString());
// Response received, ready for next transaction.
ReadyForTransaction = true;
}
case 6:
ResponseStr.Append("Write single register ");
//
// Check transaction ID (counter write).
//
if (ID == 1)
{
// Write register is done, now, read register on next timer tick.
StartWriteTransaction = false;
}
case 3:
ResponseStr.Append("Read holding register ");
//
// Check transaction ID (counter read).
//
if (ID == 2)
{
//
// Get register value.
//
// UInt16 RegisterValue = (UInt16)(((UInt16)(values[0] << 8)) | ((UInt16)(values[1])));
//
// Check architecture endianess.
if (BitConverter.IsLittleEndian)
{
// Reverse array values.
Array.Reverse(values);
}
// Get register value from received bytes.
UInt16 RegisterValue = BitConverter.ToUInt16(values, 0);
// Update text box values on windows form.
UpdateTextBox(RegisterValue);
// Read register is done, now, write register on next timer tick.
StartWriteTransaction = true;
}
// Response received, ready for next transaction.
ReadyForTransaction = true;
}
Hola Estoy en un proyecto y necesitaba poner un lector de tarjetas, queria saber que lectores tengo que usar para poder utilizar las funciones implementadas y no desarrollar nada en especial
Saludos, Esteban