public void ConnectToServer()
{
try
{
//LOCAL OPC CONNECTION kepware
//url = new Opc.URL("opcda://PCNAME/Kepware.KEPServerEX.V6");
//LOCAL OPC CONNECTION RSLinx
//url = new Opc.URL("opcda://PCNAME/RSLinx OPC Server");
//REMOTE OPC CONNECTION WHEN USING opcexpert tunneling
url = new Opc.URL("opcda://PCNAME/RSLinx Remote OPC Server.REMOTEPCNAME");
//REMOTE RSLinx OPC
//this requires DCOM setup
//url = new Opc.URL("opcda://PCNAME/RSLinx Remote OPC Server");
server = new Opc.Da.Server(fact, url);
System.Net.NetworkCredential networkCredential = new System.Net.NetworkCredential();
Opc.ConnectData connecteddata = new Opc.ConnectData(networkCredential);
server.Connect(url, connecteddata);
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.UpdateRate = 1; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(UpdateTagData); //callback when the data are readed
Opc.Da.Item[] items_read = groupRead.AddItems(createSomeTags());
}
catch (Exception E)
{
Console.WriteLine(E.Message);
}
}
/// <summary>
/// Initializes object with the specified ItemResult object.
/// </summary>
public ItemUrl(ItemUrl item) : base(item)
{
if (item != null)
{
Url = item.Url;
}
}
/// <summary>
/// Create the server(Using the specified URL)
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
private static Opc.Server GetServerForUrl(Opc.URL url)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
return(url.Scheme == Opc.UrlScheme.DA ? new Opc.Da.Server(new OpcCom.Factory(), url) : null);
}
public void ConnectToServer()
{
try
{
url = new Opc.URL("opcda://IAPENG1/RSLinx OPC Server");
//server = new Opc.Da.Server(fact, null);
server = new Opc.Da.Server(fact, url);
System.Net.NetworkCredential networkCredential = new System.Net.NetworkCredential();
Opc.ConnectData connecteddata = new Opc.ConnectData(networkCredential);
server.Connect(url, connecteddata);
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.UpdateRate = 1000; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(UpdateTagData); //callback when the data are readed
if (items[0] == null)
{
items[0] = new Opc.Da.Item();
items[1] = new Opc.Da.Item();
items[2] = new Opc.Da.Item();
items[3] = new Opc.Da.Item();
items[4] = new Opc.Da.Item();
items[5] = new Opc.Da.Item();
items[6] = new Opc.Da.Item();
items[7] = new Opc.Da.Item();
}
items[0].ItemName = "[PLC2]LocalDateTime[0]";
items[1].ItemName = "[PLC2]LocalDateTime[1]";
items[2].ItemName = "[PLC2]LocalDateTime[2]";
items[3].ItemName = "[PLC2]LocalDateTime[3]";
items[4].ItemName = "[PLC2]LocalDateTime[4]";
items[5].ItemName = "[PLC2]LocalDateTime[5]";
items[6].ItemName = "[PLC2]LocalDateTime[6]";
items[7].ItemName = "[PLC2]LocalDateTime";
items = groupRead.AddItems(items);
// Create a write group
groupStateWrite = new Opc.Da.SubscriptionState();
groupStateWrite.Name = "Group Write";
groupStateWrite.Active = false;//not needed to read if you want to write only
groupWrite = (Opc.Da.Subscription)server.CreateSubscription(groupStateWrite);
}
catch (Exception E)
{
Console.WriteLine(E.Message);
}
}
/// <summary>
/// Connect/Disconnect to the server.
/// </summary>
/// <returns></returns>
private bool Connect()
{
// Connect server
var url = new Opc.URL(OpcConnectionString);
// Create an unconnected server object.
OpcServer = GetServerForUrl(url);
if (OpcServer == null)
{
return(false);
}
// Invoke the connect server callback.
try
{
var connectData = new Opc.ConnectData(Credential, null);
OpcServer.Connect(connectData);
var opcDaSrerver = OpcServer as Opc.Da.Server;
if (opcDaSrerver == null)
{
return(false);
}
VendorInfo = opcDaSrerver.GetStatus().VendorInfo;
VersionInfo = opcDaSrerver.GetStatus().ProductVersion;
StatusInfo = opcDaSrerver.GetStatus().StatusInfo;
var state = new Opc.Da.SubscriptionState
{
ClientHandle = Guid.NewGuid().ToString(),
ServerHandle = null,
//Name = "DEFAULT",
Active = false,
UpdateRate = 1000,
KeepAlive = 0,
//Deadband = 0,
//Locale = null
};
Subscription = (Subscription)opcDaSrerver.CreateSubscription(state);
}
catch (Exception e)
{
throw e;
}
return(true);
}
public Form1()
{
InitializeComponent();
OpcCom.ServerEnumerator se = new ServerEnumerator();
Opc.Server[] Servers;
String sErrFunc = "";
Opc.ConnectData cd = new Opc.ConnectData(new System.Net.NetworkCredential());
sErrFunc = "GetAvailableServers";
Servers = se.GetAvailableServers(Opc.Specification.COM_DA_20, "localhost", cd);
Console.WriteLine(Servers[1].Name.ToString());
Opc.URL url = new Opc.URL("opcda://localhost/" + Servers[0].Name);
OpcCom.Factory fact = new OpcCom.Factory();
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
public void Connect()
{
try
{
XmlElement docRoot = _xmlDocument.DocumentElement;
foreach (XmlNode driverNode in docRoot.ChildNodes)
{
if (driverNode.Attributes["Id"].Value.Equals("6A1B8105-BD9A-4658-870F-D35D4029C928"))
{
OpcCom.Factory fact = new OpcCom.Factory();
_opcDaServer = new Opc.Da.Server(fact, null);
Opc.URL url = new Opc.URL(driverNode.Attributes["OpcServerUrl"].Value);
_opcDaServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public void ConnectToServer()
{
try
{
//url = new Opc.URL("opcda://MUHUMTHA/Kepware.KEPServerEX.V6");
//url = new Opc.URL("opcda://IAPENG1/RSLinx OPC Server");
//REMOTE OPC CONNECTION
url = new Opc.URL("opcda://MUHUMTHA/RSLinx OPC Server.MUHUNTHANPC");
server = new Opc.Da.Server(fact, url);
System.Net.NetworkCredential networkCredential = new System.Net.NetworkCredential();
Opc.ConnectData connecteddata = new Opc.ConnectData(networkCredential);
server.Connect(url, connecteddata);
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.UpdateRate = 1; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(UpdateTagData); //callback when the data are readed
//Opc.Da.Item[] items_read = groupRead.AddItems(createSomeTags());
Opc.Da.Item[] items_read = groupRead.AddItems(createSomeTags());
// Create a write group
//groupStateWrite = new Opc.Da.SubscriptionState();
//groupStateWrite.Name = "Group_Write";
//groupStateWrite.UpdateRate = 1000;
//groupStateWrite.Active = false;//not needed to read if you want to write only
//groupWrite = (Opc.Da.Subscription)server.CreateSubscription(groupStateWrite);
//groupWrite.DataChanged += new Opc.Da.DataChangedEventHandler(ReadCompleted);
Global.flag1 = true;
}
catch (Exception E)
{
Console.WriteLine(E.Message);
}
}
/// <summary>
/// Connects to the OPC Server
/// </summary>
/// <param name="OPCURL">
/// The OPC URL should be in the following form (Examples):
/// - opcae://localhost/Matrikon.OPC.Simulation
/// - opcda://192.168.1.2/Matrikon.OPC.Simulation
/// </param>
/// <param name="credentials"></param>
public Opc.Da.Server ConnectToOPCServer(string OPCURL, NetworkCredential credentials = null)
{
Opc.Da.Server OPCDAServerToConnectTo = null;
try
{
URL URL = new Opc.URL(OPCURL);
OPCDAServerToConnectTo = _OPCDAServers.FirstOrDefault(S => S.Url.ToString() == OPCURL);
if (OPCDAServerToConnectTo == null)
{
_OPCDAServers.Add(OPCDAServerToConnectTo = new Opc.Da.Server(new OpcCom.Factory(), null));
}
if (!OPCDAServerToConnectTo.IsConnected)
{
OPCDAServerToConnectTo.Connect(URL, new ConnectData(credentials));
}
return(OPCDAServerToConnectTo);
}
catch (Exception ex)
{
OPCDAServerToConnectTo?.Disconnect();
OPCDAServerToConnectTo?.Dispose();
throw ex;
}
}
public void Work()
{
int i = 5;
if (i == 1)
{
url = new Opc.URL("opcda://192.168.0.4/OPC.PHDServerDA.1");
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
Opc.Da.Item[] itemCollection = new Opc.Da.Item[1];
itemCollection[0] = new Opc.Da.Item {
ItemName = "RTOS.TEST.PV", MaxAge = -1
};
Opc.Da.ItemValueResult[] result = server.Read(itemCollection);
Console.WriteLine(result[0].Value);
server.Disconnect();
}
else if (i == 2)
{
url = new Opc.URL("opcda://192.168.0.4/OPC.PHDServerDA.1");
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.ServerHandle = null;
groupState.ClientHandle = Guid.NewGuid().ToString();
groupState.Active = true;
groupState.UpdateRate = 1000;
groupState.Deadband = 0;
groupState.Locale = null;
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
string[] itemName = { "RTOS.TEST.PV", "RTOR.TI1237.DACA.PV" };
Opc.Da.Item[] items = new Opc.Da.Item[2];
for (int j = 0; j < items.Length; j++)
{
items[j] = new Opc.Da.Item();
items[j].ClientHandle = Guid.NewGuid().ToString();
items[j].ItemPath = null;
items[j].ItemName = itemName[j];
}
groupRead.AddItems(items);
//groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(group_DataChanged);
Opc.Da.ItemValueResult[] results = groupRead.Read(groupRead.Items);
foreach (ItemValueResult result in results)
{
Console.WriteLine("{0},{1},{2},{3}", result.ItemName, result.Value, result.Quality, result.Timestamp);
}
//groupRead.DataChanged -= new Opc.Da.DataChangedEventHandler(group_DataChanged);
groupRead.RemoveItems(groupRead.Items);
server.CancelSubscription(groupRead);
groupRead.Dispose();
server.Disconnect();
}
else if (i == 3)
{
url = new Opc.URL("opcda://192.168.0.4/OPC.PHDServerDA.1");
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.ServerHandle = null;
groupState.ClientHandle = Guid.NewGuid().ToString();
groupState.Active = true;
groupState.UpdateRate = 1000;
groupState.Deadband = 0;
groupState.Locale = null;
groupWrite = (Opc.Da.Subscription)server.CreateSubscription(groupState);
string[] itemName = { "RTOS.TEST.PV", "RTOS.TEST2.PV" };
Opc.Da.Item[] items = new Opc.Da.Item[2];
for (int j = 0; j < items.Length; j++)
{
items[j] = new Opc.Da.Item();
items[j].ClientHandle = Guid.NewGuid().ToString();
items[j].ItemPath = null;
items[j].ItemName = itemName[j];
}
groupWrite.AddItems(items);
//groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(group_DataChanged);
Opc.Da.ItemValue[] writeValues = new Opc.Da.ItemValue[groupWrite.Items.Length];
for (int k = 0; k < groupWrite.Items.Length; k++)
{
writeValues[k] = new Opc.Da.ItemValue((ItemIdentifier)groupWrite.Items[k]);
}
writeValues[0].Value = 5;
writeValues[1].Value = 6;
groupWrite.Write(writeValues);
Console.WriteLine("Press any key to close...");
Console.ReadLine();
//groupRead.DataChanged -= new Opc.Da.DataChangedEventHandler(group_DataChanged);
groupWrite.RemoveItems(groupWrite.Items);
server.CancelSubscription(groupWrite);
groupWrite.Dispose();
server.Disconnect();
}
else if (i == 4)
{
url = new Opc.URL("opchda://192.168.0.4/OPC.PHDServerHDA.1");
serverHda = new Opc.Hda.Server(fact, null);
serverHda.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
try
{
}
catch (Opc.ConnectFailedException opcConnEx)
{
Console.WriteLine(string.Format("Could not connect to server {0}", "OPC.PHDServerHDA.1"));
Console.WriteLine(opcConnEx.ToString());
}
Console.WriteLine("Are we connected? " + serverHda.IsConnected);
string[] itemName = { "RTOS.TEST.PV", "RTOS.TEST2.PV" };
Opc.Hda.Trend groupHda = new Trend(serverHda);
groupHda.Name = "HDA";
groupHda.AggregateID = AggregateID.NOAGGREGATE;
DateTime startTime = DateTime.Now.AddHours(-1);
DateTime endTime = DateTime.Now;
groupHda.StartTime = new Opc.Hda.Time(startTime);
groupHda.EndTime = new Opc.Hda.Time(endTime);
groupHda.MaxValues = 0;
groupHda.IncludeBounds = false;
serverHda.Trends.Add(groupHda);
Opc.Hda.Item[] items = new Opc.Hda.Item[2];
for (int m = 0; m < 2; m++)
{
items[m] = new Opc.Hda.Item();
items[m].ItemName = itemName[m];
items[m].ItemPath = null;
items[m].ClientHandle = Guid.NewGuid().ToString();
}
IdentifiedResult[] identifiedResult = serverHda.CreateItems(items);
if (identifiedResult != null)
{
foreach (IdentifiedResult item in identifiedResult)
{
if (item.ResultID.Succeeded())
{
groupHda.Items.Add(new Opc.Hda.Item(item));
}
}
}
Opc.Hda.ItemValueCollection[] results = groupHda.ReadRaw();
Opc.Hda.ItemValueCollection result1 = results[0];
foreach (Opc.Hda.ItemValue result in result1)
{
Console.WriteLine("{0},{1},{2}", result.Value, result.Quality, result.Timestamp);
}
serverHda.Disconnect();
}
else if (i == 5)
{
url = new Opc.URL("opchda://192.168.0.4/OPC.PHDServerHDA.1");
serverHda = new Opc.Hda.Server(fact, null);
serverHda.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
try
{
}
catch (Opc.ConnectFailedException opcConnEx)
{
Console.WriteLine(string.Format("Could not connect to server {0}", "OPC.PHDServerHDA.1"));
Console.WriteLine(opcConnEx.ToString());
}
Console.WriteLine("Are we connected? " + serverHda.IsConnected);
string[] itemName = { "RTOR.TI1237.DACA.PV", "RTOS.TEST2.PV" };
Opc.Hda.Trend groupHda = new Trend(serverHda);
groupHda.Name = "HDA";
groupHda.AggregateID = AggregateID.AVERAGE;
DateTime startTime = DateTime.Now.AddHours(-1);
DateTime endTime = DateTime.Now;
//TimeSpan span = endTime.Subtract(startTime);
//int calcInterval = ((int)span.TotalSeconds);
//groupHda.ResampleInterval = (decimal)calcInterval;
//DateTime startTime = new DateTime(2020, 6, 12, 9, 0, 0, 0);
//DateTime endTime = new DateTime(2020, 6, 12, 10, 0, 0, 0);
int calcInterval = 300;
groupHda.ResampleInterval = (decimal)calcInterval;
groupHda.StartTime = new Opc.Hda.Time(startTime);
groupHda.EndTime = new Opc.Hda.Time(endTime);
groupHda.MaxValues = 0;
groupHda.IncludeBounds = false;
serverHda.Trends.Add(groupHda);
Opc.Hda.Item[] items = new Opc.Hda.Item[2];
for (int m = 0; m < 2; m++)
{
items[m] = new Opc.Hda.Item();
items[m].ItemName = itemName[m];
items[m].ItemPath = null;
items[m].ClientHandle = Guid.NewGuid().ToString();
}
IdentifiedResult[] identifiedResult = serverHda.CreateItems(items);
if (identifiedResult != null)
{
foreach (IdentifiedResult item in identifiedResult)
{
if (item.ResultID.Succeeded())
{
groupHda.Items.Add(new Opc.Hda.Item(item));
}
}
}
Opc.Hda.ItemValueCollection[] results = groupHda.ReadProcessed();
Opc.Hda.ItemValueCollection result1 = results[0];
foreach (Opc.Hda.ItemValue result in result1)
{
Console.WriteLine("{0},{1},{2}", result.Value, result.Quality, result.Timestamp);
}
serverHda.Disconnect();
}
}
// Connect to OPC HDA server
public bool Connect(string HostName, string ServerName)
{
var url = new Opc.URL();
url.Scheme = Opc.UrlScheme.HDA;
url.HostName = HostName;
url.Path = ServerName;
try {
var fact = new OpcCom.Factory();
if ((_OPCServer != null) && (!_OPCServer.IsConnected))
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is disconnected, disposing object");
//Unfortunately, in case of lost connection simply calling .Connect() doesn't work :(
//Let's try to recreate the object from scratch
_OPCServer.Dispose();
_OPCServer = null;
}
if (_OPCServer == null)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is null, creating new object");
_OPCServer = new Opc.Hda.Server(fact, null);
}
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server is disconnected, trying to connect");
_OPCServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential(), null));
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed without exception: {0}", url.ToString());
return(false);
}
_trace.TraceEvent(TraceEventType.Verbose, 0, "Succesfully connected to {0}, obj: {1}", url.ToString(), _OPCServer.GetHashCode().ToString());
}
try {
Status = _OPCServer.GetStatus();
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server status:\n" +
"\tCurrentTime: {0}\n" +
"\tMaxReturnValues: {1}\n" +
"\tProductVersion: {2}\n" +
"\tServerState: {3}\n" +
"\tStartTime: {4}\n" +
"\tStatusInfo: {5}\n" +
"\tVendorInfo: {6}\n",
Status.CurrentTime,
Status.MaxReturnValues,
Status.ProductVersion,
Status.ServerState,
Status.StartTime,
Status.StatusInfo,
Status.VendorInfo);
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server status: {0}, {1}", url.ToString(), e.Message);
}
try {
_trace.TraceEvent(TraceEventType.Verbose, 0, "SupportedAggregates:");
SupportedAggregates = _OPCServer.GetAggregates();
foreach (Opc.Hda.Aggregate agg in SupportedAggregates)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "{0}\t{1}\t{2}", agg.ID, agg.Name, agg.Description);
}
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server supported aggregates: {0}, {1}", url.ToString(), e.Message);
}
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed: {0}, {1}", url.ToString(), e.Message);
return(false);
}
return(true);
}
/// <summary>
/// Opc와 연결을 합니다.
/// </summary>
/// <returns></returns>
public override bool Open()
{
string strMsg = string.Format("(Node:{0} / ProgID : {1} )", strIp, ProgId);
try
{
if (opc != null)
{
close();
}
string add;
//주소를 만들어 준다.
if (strIp.Equals(string.Empty))
{
add = $"opcda://localhost/{ProgId}";
}
else
{
add = $"opcda://{strIp}/{ProgId}";
}
opc = new Opc.Da.Server(fact, null);
url = new Opc.URL(add);
//서버에 연결
opc.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
//연결 후 - 테스트 할것
//opc.ServerShutdown
//그룹생성
OpcGrp_State = new Opc.Da.SubscriptionState();
OpcGrp_State.Name = strGrpName;
OpcGrp_State.UpdateRate = intUpdateRate;
OpcGrp_State.Active = true;
OpcGrp = (Opc.Da.Subscription)opc.CreateSubscription(OpcGrp_State);
OpcGrp.DataChanged += OpcGrp_DataChanged;
//opc 연결상태 체크 Timer를 시작한다.
if (this.tmrOpcCheck != null)
{
tmrOpcCheck.Dispose();
tmrOpcCheck = null;
}
// this.bolOpcStatus = true;
// this.ChConnection_Status(bolOpcStatus);
tmrOpcCheck = new Timer(new TimerCallback(tmrCheckOpcStatus), null, 0, intUpdateRate);
//this.ChConnection_Status(true);
strMsg = "Open 성공" + strMsg;
return(true);
}
catch (System.Runtime.InteropServices.ExternalException ex)
{ //activex이기 때문에 에러 발생이 제대로 되지 않아 몇가지만...
strMsg = "Open 실패 :" + ex.Message + strMsg + "\r\n" + ex.ToString();
throw ComException(ex, string.Empty);
}
catch (Exception ex)
{
strMsg = "Open 실패 :" + ex.Message + strMsg + "\r\n" + ex.ToString();
throw ex;
}
finally
{
PLCModule.clsPLCModule.LogWrite("Open", strMsg);
}
}
public void Connect()
{
try
{
XmlElement docRoot = _xmlDocument.DocumentElement;
foreach (XmlNode driverNode in docRoot.ChildNodes)
{
if (driverNode.Attributes["Id"].Value.Equals("6A1B8105-BD9A-4658-870F-D35D4029C928"))
{
OpcCom.Factory fact = new OpcCom.Factory();
_opcDaServer = new Opc.Da.Server(fact, null);
Opc.URL url = new Opc.URL(driverNode.Attributes["OpcServerUrl"].Value);
_opcDaServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Initializes the object with an ItemIdentifier object and url.
/// </summary>
public ItemUrl(ItemIdentifier item, Opc.URL url) : base(item)
{
Url = url;
}
public ClientTRK()
{
url = new Opc.URL("opcda://localhost/Kepware.KEPServerEX.V6");
}