public bool Reconnect()
{
try
{
//close plc connection
_plcConnection.Close();
ServiceBaseX._logger.Log(Category.Info, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": PLC connection closed.");
}
catch (Exception ex)
{
ServiceBaseX._logger.Log(Category.Error, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": " + ex.Message);
return(false);
}
try
{
//open plc connection again
_plcConnection.Open();
ServiceBaseX._logger.Log(Category.Info, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": PLC connection re-established.");
return(true);
}
catch (Exception ex)
{
ServiceBaseX._logger.Log(Category.Error, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": " + ex.Message);
return(false);
}
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
Program.temperature.Changed += Program.HandleTemperatureChanged;
Timer pollTimer = new Timer(Program.PollWeatherStation, connection, 0, 10000);
Console.ReadKey();
connection.Close();
}
public static void Main(string[] args)
{
//// As already demonstrated in the basic sample 'Notifications' it is possible to
//// handle the state changes of a connection using the events provided by the static
//// PlcNotifications class or using the events provided by the instance of a
//// connection itself.
//// Additionally taking the basic sample 'Exceptions' into account it is obvious that
//// developers using the framework are able to fully control and monitor the creation
//// of connections, the state of these connections and they can influence the status
//// evaluation of every operation performed by the low level driver used within the
//// framework.
//// This sample does therefore demonstrate how a developer can get the most out of
//// the features represented by the basic samples 'Notifications' and 'Exceptions'.
// Assign an event handler to the ConnectionCreated event to get notified when ever
// a new connection has been created within the framework. This handler does then
// subscribe further events on the connection.
PlcNotifications.ConnectionCreated += Program.HandleConnectionCreated;
// Assign a callback method to evaluate the operational status in a custom way to
// ensure that only in specific conditions failed operations will lead to an exception.
PlcNotifications.EvaluateStatus = Program.EvaluateStatus;
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
Console.WriteLine();
Console.WriteLine("= Open =");
connection.Open();
//// An explicit call to Connect() is not required. But it will be done here to
//// demonstrate the appropriate state changes which occur in case of the
//// first attempt to acccess the PLC device.
Console.WriteLine();
Console.WriteLine("= Connect =");
connection.Connect();
Program.ReadBoolean(connection);
Program.ReadBooleanArray(connection);
Console.WriteLine();
Console.WriteLine("= Close =");
connection.Close();
Console.ReadKey();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
connection.WriteString("DB111.DBB 100", "Hello World!");
string message = connection.ReadString("DB111.DBB 100", 16);
Console.WriteLine(message);
connection.Close();
Console.ReadKey();
}
public static void Main(string[] args)
{
//// The following lines of code demonstrate how to read and write data
//// using a custom PLC Object which defines its members dynamically.
////
//// Note that each instance of the class Data initialized does refer to
//// different DataBlocks upon changing the static DataBlockNumber property
//// of the class.
////
//// This scenario is not a general way how to use dynamic PlcObject members.
//// It just demonstrates one possible way to refer to dynamic PLC data in an
//// independent way.
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
Data.DataBlockNumber = 1;
Data data1 = connection.ReadObject <Data>();
Data.DataBlockNumber = 10;
Data data10 = connection.ReadObject <Data>();
Data.DataBlockNumber = 15;
Data data15 = connection.ReadObject <Data>();
Data.DataBlockNumber = 20;
Data data20 = new Data();
data20.ByteValue = data1.ByteValue;
data20.Int16Value = data10.Int16Value;
data20.Int32Value = data15.Int32Value;
data20.RealValue = data10.RealValue / data1.RealValue;
data20.StringValue = data15.StringValue;
connection.WriteObject(data20);
connection.Close();
}
private bool Connect()
{
if (bFirstConnect == true)
{
ServiceBaseX._syncEvts.IncrementThreadsRunning();
}
try
{
client = new SiemensDevice(_EndPoint, SiemensDeviceType.S7300_400);
IPS7Lnk.Advanced.Licenser.LicenseKey = "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";
_plcConnection = client.CreateConnection();
_plcConnection.Open();
bFirstConnect = false;
return(true);
}
catch (Exception ex)
{
ServiceBaseX._logger.Log(Category.Error, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": " + ex.Message);
return(false);
}
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
SQLiteConnectionStringBuilder builder = new SQLiteConnectionStringBuilder();
builder.DataSource = @".\Database.db";
SQLiteConnection sqlConnection = new SQLiteConnection(
builder.ToString(),
parseViaFramework: true);
SQLiteCommand command = sqlConnection.CreateCommand();
command.CommandText = "select * from Data";
SQLiteDataReader dataReader = command.ExecuteReader();
DataTable table = new DataTable();
table.Load(dataReader);
#region 1. Way: Sequential Write.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential write the data.
foreach (DataRow row in table.Rows)
{
connection.WriteByte("DB111.DBB 2", Convert.ToByte(row["NumberOfPages"])); // Number of pages.
connection.WriteInt16("DB111.DBW 4", Convert.ToInt16(row["Resolution"])); // Resolution in dpi.
connection.WriteInt32("DB111.DBD 6", Convert.ToInt32(row["LineHeight"])); // Line Height in pixels.
connection.WriteReal("DB111.DBD 10", Convert.ToSingle(row["Price"])); // Price.
connection.WriteString("DB111.DBB 20", Convert.ToString(row["ArticleNumber"])); // Article Number.
connection.WriteBoolean("DB111.DBX 1.0", true);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
#region 2. Way: Bulk write (with variables).
{
//// Or use the higher level methods of the PLC device connection to write a whole
//// set of variables at once. While this way would be much faster than the
//// previous one, because the values are write within one transaction instead of
//// processing each value within a transaction for each action.
PlcByte numberOfPages = new PlcByte("DB111.DBB 2");
PlcInt16 resolution = new PlcInt16("DB111.DBW 4");
PlcInt32 lineHeight = new PlcInt32("DB111.DBD 6");
PlcReal price = new PlcReal("DB111.DBD 10");
PlcString articleNumber = new PlcString("DB111.DBB 20", 16);
PlcBoolean startPrint = new PlcBoolean("DB111.DBX 1.0", true);
foreach (DataRow row in table.Rows)
{
numberOfPages.Value = Convert.ToByte(row["NumberOfPages"]); // Number of pages.
resolution.Value = Convert.ToInt16(row["Resolution"]); // Resolution in dpi.
lineHeight.Value = Convert.ToInt32(row["LineHeight"]); // Line Height in pixels.
price.Value = Convert.ToSingle(row["Price"]); // Price.
articleNumber.Value = Convert.ToString(row["ArticleNumber"]); // Article Number.
connection.WriteValues(numberOfPages, resolution, lineHeight, price, articleNumber, startPrint);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
#region 3. Way: Bulk write (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to write the whole PLC data at once from a user defined PLC object.
foreach (DataRow row in table.Rows)
{
PrintJobData data = new PrintJobData();
data.NumberOfPages = Convert.ToByte(row["NumberOfPages"]); // Number of pages.
data.Resolution = Convert.ToInt16(row["Resolution"]); // Resolution in dpi.
data.LineHeight = Convert.ToInt32(row["LineHeight"]); // Line Height in pixels.
data.Price = Convert.ToSingle(row["Price"]); // Price.
data.ArticleNumber = Convert.ToString(row["ArticleNumber"]); // Article Number.
connection.WriteObject(data);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
sqlConnection.Close();
connection.Close();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
#region 1. Way: Sequential Write.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential write the data.
foreach (string line in File.ReadAllLines(@".\Data.csv"))
{
string[] values = line.Split(';');
connection.WriteByte("DB111.DBB 2", Convert.ToByte(values[0])); // Number of pages.
connection.WriteInt16("DB111.DBW 4", Convert.ToInt16(values[1])); // Resolution in dpi.
connection.WriteInt32("DB111.DBD 6", Convert.ToInt32(values[2])); // Line Height in pixels.
connection.WriteReal("DB111.DBD 10", Convert.ToSingle(values[3])); // Price.
connection.WriteString("DB111.DBB 20", values[4]); // Article Number.
connection.WriteBoolean("DB111.DBX 1.0", true);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
#region 2. Way: Bulk write (with variables).
{
//// Or use the higher level methods of the PLC device connection to write a whole
//// set of variables at once. While this way would be much faster than the
//// previous one, because the values are write within one transaction instead of
//// processing each value within a transaction for each action.
PlcByte numberOfPages = new PlcByte("DB111.DBB 2");
PlcInt16 resolution = new PlcInt16("DB111.DBW 4");
PlcInt32 lineHeight = new PlcInt32("DB111.DBD 6");
PlcReal price = new PlcReal("DB111.DBD 10");
PlcString articleNumber = new PlcString("DB111.DBB 20", 16);
PlcBoolean startPrint = new PlcBoolean("DB111.DBX 1.0", true);
foreach (string line in File.ReadAllLines(@".\Data.csv"))
{
string[] values = line.Split(';');
numberOfPages.Value = Convert.ToByte(values[0]); // Number of pages.
resolution.Value = Convert.ToInt16(values[1]); // Resolution in dpi.
lineHeight.Value = Convert.ToInt32(values[2]); // Line Height in pixels.
price.Value = Convert.ToSingle(values[3]); // Price.
articleNumber.Value = Convert.ToString(values[4]); // Article Number.
connection.WriteValues(numberOfPages, resolution, lineHeight, price, articleNumber, startPrint);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
#region 3. Way: Bulk write (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to write the whole PLC data at once from a user defined PLC object.
foreach (string line in File.ReadAllLines(@".\Data.csv"))
{
string[] values = line.Split(';');
PrintJobData data = new PrintJobData();
data.NumberOfPages = Convert.ToByte(values[0]); // Number of pages.
data.Resolution = Convert.ToInt16(values[1]); // Resolution in dpi.
data.LineHeight = Convert.ToInt32(values[2]); // Line Height in pixels.
data.Price = Convert.ToSingle(values[3]); // Price.
data.ArticleNumber = Convert.ToString(values[4]); // Article Number.
connection.WriteObject(data);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
connection.Close();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
SQLiteConnectionStringBuilder builder = new SQLiteConnectionStringBuilder();
builder.DataSource = @".\Database.db";
SQLiteConnection sqlConnection = new SQLiteConnection(
builder.ToString(),
parseViaFramework: true);
sqlConnection.Open();
SQLiteCommand command = sqlConnection.CreateCommand();
command.CommandText
= "insert into Data (ChanceOfRain, WindSpeed, Pressure, Temperature, Forecast) "
+ "values (@chanceOfRain, @windSpeed, @pressure, @temperature, @forecast)";
SQLiteParameter sqlChanceOfRain = command.Parameters.Add("@chanceOfRain", DbType.Int16);
SQLiteParameter sqlWindSpeed = command.Parameters.Add("@windSpeed", DbType.Int16);
SQLiteParameter sqlPressure = command.Parameters.Add("@pressure", DbType.Int16);
SQLiteParameter sqlTemperature = command.Parameters.Add("@temperature", DbType.Single);
SQLiteParameter sqlForecast = command.Parameters.Add("@forecast", DbType.String);
#region 1. Way: Sequential Read.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential read the desired data areas.
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
sqlChanceOfRain.Value = connection.ReadByte("DB111.DBB 2"); // Chance of rain.
sqlWindSpeed.Value = connection.ReadInt16("DB111.DBW 4"); // Wind speed.
sqlPressure.Value = connection.ReadInt32("DB111.DBD 6"); // Pressure.
sqlTemperature.Value = connection.ReadReal("DB111.DBD 10"); // Temperature.
sqlForecast.Value = connection.ReadString("DB111.DBB 20", 16); // Forecast.
command.ExecuteNonQuery();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
#region 2. Way: Bulk read (with variables).
{
//// Or use the higher level methods of the PLC device connection to read a whole
//// set of variables at once. While this way would be much faster than the previous
//// one, because the values are read within one transaction instead of querying
//// each value within a transaction for each request.
PlcByte chanceOfRain = new PlcByte("DB111.DBB 2");
PlcInt16 windSpeed = new PlcInt16("DB111.DBW 4");
PlcInt32 pressure = new PlcInt32("DB111.DBD 6");
PlcReal temperature = new PlcReal("DB111.DBD 10");
PlcString forecast = new PlcString("DB111.DBB 20", 16);
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
connection.ReadValues(chanceOfRain, windSpeed, pressure, temperature, forecast);
sqlChanceOfRain.Value = chanceOfRain.Value; // Chance of rain.
sqlWindSpeed.Value = windSpeed.Value; // Wind speed.
sqlPressure.Value = pressure.Value; // Pressure.
sqlTemperature.Value = temperature.Value; // Temperature.
sqlForecast.Value = forecast.Value; // Forecast.
command.ExecuteNonQuery();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
#region 3. Way: Bulk read (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to read the whole PLC data at once into a user defined PLC object.
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
WeatherData data = connection.ReadObject <WeatherData>();
sqlChanceOfRain.Value = data.ChanceOfRain; // Chance of rain.
sqlWindSpeed.Value = data.WindSpeed; // Wind speed.
sqlPressure.Value = data.Pressure; // Pressure.
sqlTemperature.Value = data.Temperature; // Temperature.
sqlForecast.Value = data.Forecast; // Forecast.
command.ExecuteNonQuery();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
sqlConnection.Close();
connection.Close();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
#region 1. Way: Sequential Write/Read.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential write the data or read the desired data areas.
connection.WriteByte("DB111.DBB 2", 15);
Console.WriteLine("DB111.DBB 2: {0}", connection.ReadByte("DB111.DBB 2"));
connection.WriteInt16("DB111.DBW 4", 600);
Console.WriteLine("DB111.DBW 4: {0}", connection.ReadInt16("DB111.DBW 4"));
connection.WriteInt32("DB111.DBD 6", 280);
Console.WriteLine("DB111.DBD 6: {0}", connection.ReadInt32("DB111.DBD 6"));
connection.WriteReal("DB111.DBD 10", 2.46f);
Console.WriteLine("DB111.DBD 10: {0}", connection.ReadReal("DB111.DBD 10"));
connection.WriteString("DB111.DBB 20", "4-036300-076816");
Console.WriteLine("DB111.DBB 20: {0}", connection.ReadString("DB111.DBB 20", 16));
}
#endregion
#region 2. Way: Bulk write/read (with variables).
{
//// Or use the higher level methods of the PLC device connection to write/read
//// a whole set of variables at once. While this way would be much faster than the
//// previous one, because the values are write/read within one transaction
//// instead of processing each value within a transaction for each action.
connection.WriteValues(
new PlcByte("DB111.DBB 2", 15),
new PlcInt16("DB111.DBW 4", 600),
new PlcInt32("DB111.DBD 6", 280),
new PlcReal("DB111.DBD 10", 2.46f),
new PlcString("DB111.DBB 20", "4-036300-076816", 16));
object[] values = connection.ReadValues(
new PlcByte("DB111.DBB 2"),
new PlcInt16("DB111.DBW 4"),
new PlcInt32("DB111.DBD 6"),
new PlcReal("DB111.DBD 10"),
new PlcString("DB111.DBB 20", 16));
Console.WriteLine("DB111.DBB 2: {0}", values[0]);
Console.WriteLine("DB111.DBW 4: {0}", values[1]);
Console.WriteLine("DB111.DBD 6: {0}", values[2]);
Console.WriteLine("DB111.DBD 10: {0}", values[3]);
Console.WriteLine("DB111.DBB 20: {0}", values[4]);
}
#endregion
#region 3. Way: Bulk write/read (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to write/read the whole PLC data at once from a user defined PLC object.
Data data = new Data();
data.ByteValue = 15;
data.Int16Value = 600;
data.Int32Value = 280;
data.RealValue = 2.46f;
data.StringValue = "4-036300-076816";
connection.WriteObject(data);
data = connection.ReadObject <Data>();
Console.WriteLine("DB111.DBB 2: {0}", data.ByteValue);
Console.WriteLine("DB111.DBW 4: {0}", data.Int16Value);
Console.WriteLine("DB111.DBD 6: {0}", data.Int32Value);
Console.WriteLine("DB111.DBD 10: {0}", data.RealValue);
Console.WriteLine("DB111.DBB 20: {0}", data.StringValue);
}
#endregion
Console.ReadKey();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
#region 1. Way: Global events.
{
//// In case there it is necessary of being notified when ever a new connection
//// has been created or the state of a connection has been changed there does
//// the PlcNotifications class provide different events that can be used for that
//// requirement.
//// Simply assign custom event handlers to the appropriate events like the
//// following lines demonstrate.
PlcNotifications.ConnectionCreated += Program.HandleAnyEvent;
PlcNotifications.ConnectionOpening += Program.HandleAnyEvent;
PlcNotifications.ConnectionOpened += Program.HandleAnyEvent;
PlcNotifications.ConnectionConnecting += Program.HandleAnyEvent;
PlcNotifications.ConnectionConnected += Program.HandleAnyEvent;
PlcNotifications.ConnectionClosing += Program.HandleAnyEvent;
PlcNotifications.ConnectionClosed += Program.HandleAnyEvent;
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
//// An explicit call to Connect() is not required. But it will be done here to
//// demonstrate the appropriate state changes which occur in case of the
//// first attempt to acccess the PLC device.
connection.Connect();
connection.Close();
//// In case there is no longer any need of being notified simply detach the
//// associated custom event handlers like the following lines demonstrate.
PlcNotifications.ConnectionCreated -= Program.HandleAnyEvent;
PlcNotifications.ConnectionOpening -= Program.HandleAnyEvent;
PlcNotifications.ConnectionOpened -= Program.HandleAnyEvent;
PlcNotifications.ConnectionConnecting -= Program.HandleAnyEvent;
PlcNotifications.ConnectionConnected -= Program.HandleAnyEvent;
PlcNotifications.ConnectionClosing -= Program.HandleAnyEvent;
PlcNotifications.ConnectionClosed -= Program.HandleAnyEvent;
}
#endregion
Console.WriteLine();
#region 2. Way: Global state event.
{
//// Instead of attachning/detaching a custom event handler to specific events it
//// is also possible to handle all state events using code like the following one.
PlcNotifications.ConnectionStateChanged += Program.HandleStateEvent;
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
//// An explicit call to Connect() is not required. But it will be done here to
//// demonstrate the appropriate state changes which occur in case of the
//// first attempt to acccess the PLC device.
connection.Connect();
connection.Close();
//// In case there is no longer any need of being notified simply detach the
//// associated custom event handler like the following line demonstrate.
PlcNotifications.ConnectionStateChanged -= Program.HandleStateEvent;
}
#endregion
Console.WriteLine();
#region 3. Way: Instance events.
{
//// If there is no need of being notified when ever any connection changes its
//// state, it is also possible to restrict the event handlers to one or more
//// specific connection instances.
//// Simply assign custom event handlers to the appropriate events like the
//// following lines demonstrate.
PlcDeviceConnection connection = device.CreateConnection();
connection.Opening += Program.HandleAnyInstanceEvent;
connection.Opened += Program.HandleAnyInstanceEvent;
connection.Connecting += Program.HandleAnyInstanceEvent;
connection.Connected += Program.HandleAnyInstanceEvent;
connection.Closing += Program.HandleAnyInstanceEvent;
connection.Closed += Program.HandleAnyInstanceEvent;
connection.Open();
//// An explicit call to Connect() is not required. But it will be done here to
//// demonstrate the appropriate state changes which occur in case of the
//// first attempt to acccess the PLC device.
connection.Connect();
connection.Close();
//// In case there is no longer any need of being notified simply detach the
//// associated custom event handlers like the following lines demonstrate.
connection.Opening -= Program.HandleAnyInstanceEvent;
connection.Opened -= Program.HandleAnyInstanceEvent;
connection.Connecting -= Program.HandleAnyInstanceEvent;
connection.Connected -= Program.HandleAnyInstanceEvent;
connection.Closing -= Program.HandleAnyInstanceEvent;
connection.Closed -= Program.HandleAnyInstanceEvent;
}
#endregion
Console.WriteLine();
#region 4. Way: Instance state event.
{
//// Instead of attachning/detaching a custom event handler to specific events it
//// is also possible to handle all state events using code like the following one.
PlcDeviceConnection connection = device.CreateConnection();
connection.StateChanged += Program.HandleInstanceStateEvent;
connection.Open();
//// An explicit call to Connect() is not required. But it will be done here to
//// demonstrate the appropriate state changes which occur in case of the
//// first attempt to acccess the PLC device.
connection.Connect();
connection.Close();
//// In case there is no longer any need of being notified simply detach the
//// associated custom event handler like the following line demonstrate.
connection.StateChanged -= Program.HandleInstanceStateEvent;
}
#endregion
Console.ReadKey();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
string[] values = new string[5];
StreamWriter writer = File.AppendText(@".\Data.csv");
#region 1. Way: Sequential Read.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential read the desired data areas.
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
values[0] = connection.ReadByte("DB111.DBB 2").ToString(); // Chance of rain.
values[1] = connection.ReadInt16("DB111.DBW 4").ToString(); // Wind speed.
values[2] = connection.ReadInt32("DB111.DBD 6").ToString(); // Pressure.
values[3] = connection.ReadReal("DB111.DBD 10").ToString(); // Temperature.
values[4] = connection.ReadString("DB111.DBB 20", 16); // Forecast.
writer.WriteLine(string.Join(";", values));
writer.Flush();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
#region 2. Way: Bulk read (with variables).
{
//// Or use the higher level methods of the PLC device connection to read a whole
//// set of variables at once. While this way would be much faster than the
//// previous one, because the values are read within one transaction instead of
//// querying each value within a transaction for each request.
PlcByte chanceOfRain = new PlcByte("DB111.DBB 2");
PlcInt16 windSpeed = new PlcInt16("DB111.DBW 4");
PlcInt32 pressure = new PlcInt32("DB111.DBD 6");
PlcReal temperature = new PlcReal("DB111.DBD 10");
PlcString forecast = new PlcString("DB111.DBB 20", 16);
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
connection.ReadValues(chanceOfRain, windSpeed, pressure, temperature, forecast);
values[0] = chanceOfRain.Value.ToString(); // Chance of rain.
values[1] = windSpeed.Value.ToString(); // Wind speed.
values[2] = pressure.Value.ToString(); // Pressure.
values[3] = temperature.Value.ToString(); // Temperature.
values[4] = forecast.Value.ToString(); // Forecast.
writer.WriteLine(string.Join(";", values));
writer.Flush();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
#region 3. Way: Bulk read (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to read the whole PLC data at once into a user defined PLC object.
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
WeatherData data = connection.ReadObject <WeatherData>();
values[0] = data.ChanceOfRain.ToString(); // Chance of rain.
values[1] = data.WindSpeed.ToString(); // Wind speed.
values[2] = data.Pressure.ToString(); // Pressure.
values[3] = data.Temperature.ToString(); // Temperature.
values[4] = data.Forecast.ToString(); // Forecast.
writer.WriteLine(string.Join(";", values));
writer.Flush();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
writer.Close();
connection.Close();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
// NOTE
// To access XLS files using OLEDB you will need to install
// "Microsoft Access Database Engine 2010 Redistributable"
// https://www.microsoft.com/en-us/download/details.aspx?id=13255
OleDbConnection excelConnection = new OleDbConnection(
"Provider=Microsoft.ACE.OLEDB.12.0;"
+ @"Data Source=.\Data.xls;"
+ "Extended Properties=Excel 12.0");
excelConnection.Open();
// 'Data' represents the Excel Worksheet to write.
OleDbCommand command = excelConnection.CreateCommand();
command.CommandText = "insert into [Data$] values (?, ?, ?, ?, ?)";
OleDbParameter excelChanceOfRain = command.Parameters.Add("@chanceOfRain", OleDbType.UnsignedTinyInt);
OleDbParameter excelWindSpeed = command.Parameters.Add("@windSpeed", OleDbType.SmallInt);
OleDbParameter excelPressure = command.Parameters.Add("@pressure", OleDbType.Integer);
OleDbParameter excelTemperature = command.Parameters.Add("@temperature", OleDbType.Single);
OleDbParameter excelForecast = command.Parameters.Add("@forecast", OleDbType.BSTR);
#region 1. Way: Sequential Read.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential read the desired data areas.
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
excelChanceOfRain.Value = connection.ReadByte("DB111.DBB 2"); // Chance of rain.
excelWindSpeed.Value = connection.ReadInt16("DB111.DBW 4"); // Wind speed.
excelPressure.Value = connection.ReadInt32("DB111.DBD 6"); // Pressure.
excelTemperature.Value = connection.ReadReal("DB111.DBD 10"); // Temperature.
excelForecast.Value = connection.ReadString("DB111.DBB 20", 16); // Forecast.
command.ExecuteNonQuery();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
#region 2. Way: Bulk read (with variables).
{
//// Or use the higher level methods of the PLC device connection to read a whole
//// set of variables at once. While this way would be much faster than the previous
//// one, because the values are read within one transaction instead of querying
//// each value within a transaction for each request.
PlcByte chanceOfRain = new PlcByte("DB111.DBB 2");
PlcInt16 windSpeed = new PlcInt16("DB111.DBW 4");
PlcInt32 pressure = new PlcInt32("DB111.DBD 6");
PlcReal temperature = new PlcReal("DB111.DBD 10");
PlcString forecast = new PlcString("DB111.DBB 20", 16);
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
connection.ReadValues(chanceOfRain, windSpeed, pressure, temperature, forecast);
excelChanceOfRain.Value = chanceOfRain.Value; // Chance of rain.
excelWindSpeed.Value = windSpeed.Value; // Wind speed.
excelPressure.Value = pressure.Value; // Pressure.
excelTemperature.Value = temperature.Value; // Temperature.
excelForecast.Value = forecast.Value; // Forecast.
command.ExecuteNonQuery();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
#region 3. Way: Bulk read (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to read the whole PLC data at once into a user defined PLC object.
// Is the weather station online.
while (connection.ReadBoolean("E 1.0"))
{
WeatherData data = connection.ReadObject <WeatherData>();
excelChanceOfRain.Value = data.ChanceOfRain; // Chance of rain.
excelWindSpeed.Value = data.WindSpeed; // Wind speed.
excelPressure.Value = data.Pressure; // Pressure.
excelTemperature.Value = data.Temperature; // Temperature.
excelForecast.Value = data.Forecast; // Forecast.
command.ExecuteNonQuery();
Thread.Sleep(TimeSpan.FromMinutes(30));
}
}
#endregion
excelConnection.Close();
connection.Close();
}
public static void Main(string[] args)
{
SimaticDevice device = new SimaticDevice("192.168.0.80", SimaticDeviceType.S7300_400);
PlcDeviceConnection connection = device.CreateConnection();
connection.Open();
// NOTE
// To access XLS files using OLEDB you will need to install
// "Microsoft Access Database Engine 2010 Redistributable"
// https://www.microsoft.com/en-us/download/details.aspx?id=13255
OleDbConnection excelConnection = new OleDbConnection(
"Provider=Microsoft.ACE.OLEDB.12.0;"
+ @"Data Source=.\Data.xls;"
+ "Extended Properties=Excel 12.0");
excelConnection.Open();
// 'Data' represents the Excel Worksheet to read.
OleDbCommand command = excelConnection.CreateCommand();
command.CommandText = "select * from [Data$]";
OleDbDataReader dataReader = command.ExecuteReader();
DataTable table = new DataTable();
table.Load(dataReader);
#region 1. Way: Sequential Write.
{
//// Either use the primitive low level methods of the PLC device connection to
//// sequential write the data.
foreach (DataRow row in table.Rows)
{
connection.WriteByte("DB111.DBB 2", Convert.ToByte(row[0])); // Number of pages.
connection.WriteInt16("DB111.DBW 4", Convert.ToInt16(row[1])); // Resolution in dpi.
connection.WriteInt32("DB111.DBD 6", Convert.ToInt32(row[2])); // Line Height in pixels.
connection.WriteReal("DB111.DBD 10", Convert.ToSingle(row[3])); // Price.
connection.WriteString("DB111.DBB 20", Convert.ToString(row[4])); // Article Number.
connection.WriteBoolean("DB111.DBX 1.0", true);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
#region 2. Way: Bulk write (with variables).
{
//// Or use the higher level methods of the PLC device connection to write a whole
//// set of variables at once. While this way would be much faster than the
//// previous one, because the values are write within one transaction instead of
//// processing each value within a transaction for each action.
PlcByte numberOfPages = new PlcByte("DB111.DBB 2");
PlcInt16 resolution = new PlcInt16("DB111.DBW 4");
PlcInt32 lineHeight = new PlcInt32("DB111.DBD 6");
PlcReal price = new PlcReal("DB111.DBD 10");
PlcString articleNumber = new PlcString("DB111.DBB 20", 16);
PlcBoolean startPrint = new PlcBoolean("DB111.DBX 1.0", true);
foreach (DataRow row in table.Rows)
{
numberOfPages.Value = Convert.ToByte(row["NumberOfPages"]); // Number of pages.
resolution.Value = Convert.ToInt16(row["Resolution"]); // Resolution in dpi.
lineHeight.Value = Convert.ToInt32(row["LineHeight"]); // Line Height in pixels.
price.Value = Convert.ToSingle(row["Price"]); // Price.
articleNumber.Value = Convert.ToString(row["ArticleNumber"]); // Article Number.
connection.WriteValues(numberOfPages, resolution, lineHeight, price, articleNumber, startPrint);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
#region 3. Way: Bulk write (with object).
{
//// Or use the methods of the PLC device connection at the highest abstraction
//// layer to write the whole PLC data at once from a user defined PLC object.
foreach (DataRow row in table.Rows)
{
PrintJobData data = new PrintJobData();
data.NumberOfPages = Convert.ToByte(row["NumberOfPages"]); // Number of pages.
data.Resolution = Convert.ToInt16(row["Resolution"]); // Resolution in dpi.
data.LineHeight = Convert.ToInt32(row["LineHeight"]); // Line Height in pixels.
data.Price = Convert.ToSingle(row["Price"]); // Price.
data.ArticleNumber = Convert.ToString(row["ArticleNumber"]); // Article Number.
connection.WriteObject(data);
// Wait while printing.
while (connection.ReadBoolean("E 1.0"))
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}
}
#endregion
excelConnection.Close();
connection.Close();
}