/// <summary>
///
/// </summary>
/// <param name="mySw"></param>
/// <param name="myScope"></param>
/// <param name="port"></param>
/// <returns></returns>
public static double MeasureBoardTemperature(DirectIO mySw, DirectIO myScope, int port)
{
try
{
// Now measure the period T1 and T2 to calculate the temperature
//myScope.WriteLine(":AUToscale CHANNEL{0}", port);
myScope.WriteLine(":MEASure:DUTYcycle? CHANNEL{0}", port);
double dutyCycle = myScope.ReadNumberAsDouble();
myScope.WriteLine(":MEASure:PERiod? CHANNEL{0}", port);
double period = myScope.ReadNumberAsDouble(); // T1 + T2
myScope.WriteLine(":MARKer:MODE MEASurement");
double t1 = dutyCycle / 100 * period;
double t2 = period - t1;
// formula for temp board.
double temperature = 235 - (400 * t1 / t2);
return(temperature);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Method to close electromagnetic valve.
/// </summary>
/// <param name="port">Integer 0 for NIST test valve. Integer 1,2,3 and 4 for Port1,Port2,Port3 and Port4 test valve respectively</param>
public static void CloseTestValve(DirectIO mySw, int port)
{
try
{
string switchChannel = string.Empty;
switch (port)
{
case 0: switchChannel = "2001"; break;
case 1: switchChannel = "2021"; break;
case 2: switchChannel = "2022"; break;
case 3: switchChannel = "2023"; break;
case 4: switchChannel = "2024"; break;
default:
break;
}
mySw.WriteLine("ROUTE:OPEN (@{0})", switchChannel); // open means de-activate the 34937A SPDT Switch. Normally open port will go back to open state.
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Method to open electromagnetic valve.
/// </summary>
/// <param name="port">Integer 0 for NIST test valve. Integer 1,2,3 and 4 for Port1,Port2,Port3 and Port4 test valve respectively</param>
public static void OpenTestValve(DirectIO mySw, int port)
{
try
{
string switchChannel = string.Empty;
switch (port)
{
case 0: switchChannel = "2001"; break;
case 1: switchChannel = "2021"; break;
case 2: switchChannel = "2022"; break;
case 3: switchChannel = "2023"; break;
case 4: switchChannel = "2024"; break;
default:
break;
}
mySw.WriteLine("ROUTE:CLOSE (@{0})", switchChannel); // close means activate the 34937A SPDT Switch. Normally open port will now closed
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// This method is called when the Performance test is started
/// </summary>
/// <param name="_uutData"></param>
/// <param name="_commonData"></param>
public void UserSetups(ref UUTData _uutData, ref CommonData _commonData)
{
try
{
if (_uutData == null)
{
_uutData = this.g_UUTData;
}
if (_commonData == null)
{
_commonData = this.g_CommonData;
}
// Initialize Test Equipments
mySw = new DirectIO("GPIB0::9::INSTR"); mySw.Timeout = 10000;
myScope = new DirectIO("GPIB0::7::INSTR"); myScope.Timeout = 10000;
//myScope = new DirectIO("USB0::2391::6056::MY53280249::0::INSTR"); myScope.Timeout = 10000;
//ResourceManager rmc = new ResourceManager();
//var rs = rmc.FindRsrc("USB?*");
//foreach (var item in rs)
//{
// Trace.WriteLine(item);
//}
string comPort = CalLeakConfigs.Default.ComPort;
myLD = new VSLeakDetector(comPort, 9600, System.IO.Ports.Parity.None, 8, System.IO.Ports.StopBits.One);
myLD.UnlockFullCommand();
myLD.NoSniff(); // Set the LD HighPressure test to OFF
InstrumentIO.SetupBoardTempMeasRoute(mySw, myScope, TestPort);
// Initialize list
ListOfUUTLeakRate = new List <double>();
ListOfUUTTempFactor = new List <double>();
ListOfUUTTemp = new List <double>();
// Initialize CalLeakData
myCalLeakData = new CalLeakData();
myCalLeakData.PartNumber = _uutData.Model;
myCalLeakData.SerialNumber = _uutData.SerNum;
myCalLeakData.TestPortId = Convert.ToInt32(_commonData.Slot);
}
catch (Exception)
{
throw;
}
}
public static void CloseAllTestValve(DirectIO mySw)
{
try
{
mySw.WriteLine("ROUTE:OPEN (@2001,2021:2024)");
}
catch (Exception)
{
throw;
}
}
public static void DisconnectTempBoardMeasRoute(DirectIO mySw, int port)
{
try
{
// Disconnect switches
mySw.WriteLine("ROUTE:OPEN (@500{0},502{0})", port);
Thread.Sleep(500);
}
catch (Exception)
{
throw;
}
}
public static void ConfigureThermocouple(DirectIO mySw)
{
try
{
mySw.WriteLine("ROUTE:SCAN (@)");
mySw.WriteLine("CONF:TEMP TC,J,(@1001:1005)");
mySw.WriteLine("TEMP:TRAN:TC:RJUN:TYPE INT,(@1001:1005)");
mySw.WriteLine("ROUTE:SCAN (@1001:1005)");
}
catch (Exception)
{
throw;
}
}
//@@ Initialize the channel number for data accquisition system 34970A @@//
public static void DAS_initialize()
{
try
{
DAS = new DirectIO("ASRL5::INSTR");
DAS.Timeout = 10000;
//DAS.WriteLine("*RST");
//DAS.WriteLine("*CLS");
}
catch (Exception)
{
throw;
}
}
public static double MeasureCalLeakTemp(DirectIO mySw, int port)
{
try
{
mySw.WriteLine("INIT");
mySw.WriteLine("FETCH?");
var tempReadings = mySw.ReadList().Cast <double>().ToList();
var UUTTemp = tempReadings[port];
return(UUTTemp);
}
catch (Exception)
{
throw;
}
}
public static void SetupBoardTempMeasRoute(DirectIO mySw, DirectIO myScope, int port)
{
try
{
// Disconnect 5v supply from the temp-board, and the load.
mySw.WriteLine("ROUTE:OPEN (@5001:5040)");
// then connect to the desired port to measure board temperature
mySw.WriteLine("ROUTE:CLOSE (@500{0},502{0})", port);
// autoscale Oscilloscope to get measurement
myScope.WriteLine(":AUToscale CHANNEL{0}", port);
}
catch (Exception)
{
throw;
}
}
