/// <summary>
/// 选择列表项时处理的事情
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (itmHandleClient != 0)
{
this.txtTagValue.Text = "";
this.txtQualities.Text = "";
this.txtTimeStamps.Text = "";
this.txtDataType.Text = "";
int sd = KepItems.Count;
Array Errors;
OPCItem bItem = KepItems.GetOPCItem(itmHandleServer);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
KepItems.Remove(KepItems.Count, ref serverHandle, out Errors);
}
itmHandleClient = 0;
//for (int i = 0; i < 5; i++)
//{
// KepItem = KepItems.AddItem(listBox1.Items[i].ToString(), itmHandleClient);
// itmHandleClient += 1;
//}
//KepItem = KepItems.AddItem(listBoxItems.SelectedItem.ToString(), itmHandleClient);
KepItem = KepItems.AddItem("Channel_0_User_Defined.User.User1", itmHandleClient);
KepItems.AddItem("Channel_0_User_Defined.User.User2", 1235);
//数据类型
txtDataType.Text = Enum.GetName(typeof(CanonicalDataTypes), KepItem.CanonicalDataType);
itmHandleServer = KepItem.ServerHandle;
}
catch (Exception err)
{
//没有任何权限的项，都是OPC服务器保留的系统项，此处可不做处理。
itmHandleClient = 0;
txtTagValue.Text = "Error ox";
txtQualities.Text = "Error ox";
txtTimeStamps.Text = "Error ox";
MessageBox.Show("此项为系统保留项:" + err.Message, "提示信息");
}
}
private void AddGroupItems()//添加组
{
//itmHandleServer;
MyItems = MyGroup.OPCItems;
MyItems2 = MyGroup2.OPCItems;
//添加item
MyItem[0] = MyItems.AddItem("BPJ.Db1.dbb96", 0); //byte
MyItem[1] = MyItems.AddItem("BPJ.Db1.dbw10", 1); //short
MyItem[2] = MyItems.AddItem("BPJ.Db16.dbx0", 2); //bool
MyItem[3] = MyItems.AddItem("BPJ.Db11.S0", 3); //string
//移除组内item
Array Errors;
int [] temp = new int[] { 0, MyItem[3].ServerHandle };
Array serverHandle = (Array)temp;
MyItems.Remove(1, ref serverHandle, out Errors);
MyItem[3] = MyItems.AddItem("BPJ.Db11.S0", 3); //string
MyItem2[0] = MyItems2.AddItem("BPJ.Db1.dbb96", 0); //byte
MyItem2[1] = MyItems2.AddItem("BPJ.Db1.dbw10", 1); //short
MyItem2[2] = MyItems2.AddItem("BPJ.Db16.dbx0", 2); //bool
MyItem2[3] = MyItems2.AddItem("BPJ.Db11.S0", 3); //string
}
private void AddGroupItems()//添加组
{
try
{
//IList<Model.PZYS_Storage.StorageTag> StorTagList = BusinessLogicLayer.PZYS_Storage.StorageTag.GetAllStorageTagList();
//itmHandleServer;
KepItems = KepGroup.OPCItems;
//MyItems2 = MyGroup2.OPCItems;
OPCItem[] KepItem = new OPCItem[3];
//添加item
KepItem[0] = KepItems.AddItem("Channel_0_User_Defined.Random.Random1", 0); //byte.Sine.Sine1
KepItem[1] = KepItems.AddItem("Channel_0_User_Defined.Random.Random2", 0);
KepItem[2] = KepItems.AddItem("Channel_0_User_Defined.Random.Random3", 0); //byte.Sine.Sine1
// MyItem[1] = MyItems.AddItem("BPJ.Db1.dbw10", 1);//short
//MyItem[2] = MyItems.AddItem("BPJ.Db16.dbx0", 2);//bool
//MyItem[3] = MyItems.AddItem("BPJ.Db11.S0", 3);//string
//移除组内item
//Array Errors;
//int[] temp = new int[] { 0, MyItem[3].ServerHandle };
//Array serverHandle = (Array)temp;
//MyItems.Remove(1, ref serverHandle, out Errors);
// MyItem[3] = MyItems.AddItem("BPJ.Db11.S0", 3);//string
//MyItem2[0] = MyItems2.AddItem("BPJ.Db1.dbb96", 0);//byte
//MyItem2[1] = MyItems2.AddItem("BPJ.Db1.dbw10", 1);//short
//MyItem2[2] = MyItems2.AddItem("BPJ.Db16.dbx0", 2);//bool
//MyItem2[3] = MyItems2.AddItem("BPJ.Db11.S0", 3);//string
}
catch (Exception err)
{
MessageBox.Show("创建项出现错误：" + err.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
/// <summary>
/// 获取节点的所有值，显示在listview中
/// </summary>
private void ShowListView()
{
if (!CreateGroup())
{
return;
}
object value;
object quality;
object timestamp;
//itmHandlerClient = 1234;
OPCBrowser opcbrowser = ServerConnect.KepServer.CreateBrowser();
list = RecurBrowse(opcbrowser);
for (int i = 0; i < list.Count; i++)
{
KepItem = KepItems.AddItem(list[i], itmHandlerClient);
itmHandlerServer = KepItem.ServerHandle;
KepItem.Read((short)OPCDataSource.OPCDevice, out value, out quality, out timestamp);
lv = new ListViewItem(list[i]);
lv.SubItems.Add(Convert.ToString(value));
lv.SubItems.Add(quality.ToString());
lv.SubItems.Add(timestamp.ToString());
listView1.Items.Add(lv);
}
}
public void Init()
{
MyServer = new OPCServer();
//初始化item数组
MyItem = new OPCItem[4];
MyServer.Connect("KEPware.KEPServerEx.V4", "127.0.0.1");//连接本地服务器：服务器名+主机名或IP
if (MyServer.ServerState == (int)OPCServerState.OPCRunning)
{
Console.WriteLine("已连接到：{0}", MyServer.ServerName);
Console.WriteLine("几个组：{0}", MyServer.OPCGroups.Count);
}
else
{
//这里你可以根据返回的状态来自定义显示信息，请查看自动化接口API文档
string errMessage = MyServer.ServerState.ToString();
throw new Exception(errMessage);
}
MyGroups = MyServer.OPCGroups;
MyGroup = MyServer.OPCGroups.Add("GE.GE330.GEPLC");
MyGroup.UpdateRate = 250;
MyGroup.IsActive = true;
MyGroup.IsSubscribed = true;
//MyGroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(GroupDataChange);
MyItems = MyGroup.OPCItems;
//添加item
MyItem[0] = MyItems.AddItem("GE.GE330.GEPLC.M8001", 0); //bool-buildable
MyItem[1] = MyItems.AddItem("GE.GE330.GEPLC.M801", 1); //bool-
MyItem[2] = MyItems.AddItem("GE.GE330.GEPLC.M802", 2); //bool-
MyItem[3] = MyItems.AddItem("GE.GE330.GEPLC.PLC_PC_S", 3); //string
}
public void InitOPCItem()
{
string tag = "";
try
{
for (int i = 0; i < KepTags.Length; i++)
{
tag = KepTags[i];
//Logger.logwrite("AddItem KepTags" + i);
OPCItem item = KepItems.AddItem(tag, ClientHandle);
opcItem.Add(tag, item);
ItemValue.Add(tag, "");
}
for (int i = 0; i < KepTagsMonitor.Length; i++)
{
tag = KepTagsMonitor[i];
//Logger.logwrite("AddItem KepTagsMonitor" + i);
OPCItem item = KepItems.AddItem(tag, ClientHandle);
opcItemMonitor.Add(tag, item);
ItemValueMonitor.Add(tag, "");
}
/*
* for (int i = 0; i < KepTagsTrack.Length; i++)
* {
* tag = KepTagsTrack[i];
* Logger.logwrite("AddItem KepTagsTrack" + i);
* OPCItem item = KepItems.AddItem(tag, ClientHandle);
* opcItemTrack.Add(tag, item);
* ItemValueMonitor.Add(tag, "");
* }
*/
//opcItem["L2Com.EP1.W_Weight1"].Write(1);
//object PValue;
//object PQuality;
//object PTimeStamp;
//opcItem["L2Com.EP1.R_Out_Id"].Read(1, out PValue, out PQuality, out PTimeStamp);
//Int16[] myArray = { 56, 48, 48, 65, 66, 67, 68, 69, 70, 48, 48, 48, 48, 68, 69, 70, 48, 48, 48, 48 };
//char[] myArray2 = "8001234567890 ".ToCharArray();
//opcItem["L2Com.EP1.W_Upper_Id2"].Write(PValue);
//opcItem["L2Com.EP1.W_Upper_Id2"].Write((object)(myArray));
}
catch (Exception err)
{
string errtxt = "初始化OPCItem出现错误，请检查OPC服务器！" + tag;
Logger.logwrite(errtxt);
Logger.logwrite(errtxt, "OPC");
Logger.logwrite(err.Message, "OPC");
Console.ReadKey();
Environment.Exit(0);
}
}
//添加数据项
private void AddGroupItems()
{
//itmHandleServer;
MyItems = MyGroup.OPCItems;
MyItems2 = MyGroup2.OPCItems;
//添加item
MyItem[0] = MyItems.AddItem("[" + strTopic + "]int1", 0);//[opc1]int1", 0);//int
MyItem[1] = MyItems.AddItem("[" + strTopic + "]dint1", 1);//dint
MyItem[2] = MyItems.AddItem("[" + strTopic + "]dint2", 1);//dint
MyItem2[0] = MyItems2.AddItem("[" + strTopic + "]int2", 0);//int
MyItem2[1] = MyItems2.AddItem("[" + strTopic + "]sint1", 1);//byte
}
void Read(string u1, int u2) //读方法
{
_kepItem = _kepItems.AddItem(u1, u2);
_itmHandleServer = _kepItem.ServerHandle;
//OPCItem bItem = _kepItems.GetOPCItem(_itmHandleServer);
var bItem = _kepItems.GetOPCItem(_itmHandleServer);
var temp = new[] { 0, bItem.ServerHandle };
//Array serverHandles = (Array)temp;
var serverHandles = (Array)temp;
Array errors;
int cancelId;
_kepGroup.AsyncRead(1, ref serverHandles, out errors, 2009, out cancelId);
GC.Collect();
}
/// <summary>
/// 选择列表项时处理的事情
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void SelectedItem(List <string> itemName)
{
try
{
if (itmHandleClient != 0)
{
TagValue = "";
Qualities = "";
TimeStamps = "";
//Array Errors;
OPCItem bItem = KepItems.GetOPCItem(itmHandleServer);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
//KepItems.Remove(KepItems.Count, ref serverHandle, out Errors);
}
itmHandleClient = 1234;
foreach (string name in itemName)
{
KepItem = KepItems.AddItem(name, itmHandleClient);
if (KepItem != null)
{
itmHandleServer = KepItem.ServerHandle;
TagPath = name;
QueryTime = DateTime.Now;
QueryTimeBool = true;
break;
}
}
if (KepItem == null)
{
itmHandleClient = 0;//如果依然为空则说明没有添加成功，则itmHandleClient保持为0
}
}
catch (Exception)
{
//没有任何权限的项，都是OPC服务器保留的系统项，此处可不做处理。
itmHandleClient = 0;
TagValue = "Error ox";
Qualities = "Error ox";
TimeStamps = "Error ox";
//MessageBox.Show("保留项1错误\n" + err);
}
}
private static void GetTagValue(string tagName)
{
try
{
readValue = "";
if (itmHandleClient != 0)
{
Array Errors;
OPCItem bItem = KepItems.GetOPCItem(itmHandleServer);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
KepItems.Remove(KepItems.Count, ref serverHandle, out Errors);
}
itmHandleClient = 12345;
KepItem = KepItems.AddItem(tagName, itmHandleClient);
itmHandleServer = KepItem.ServerHandle;
}
catch (Exception err)
{
//没有任何权限的项，都是OPC服务器保留的系统项，此处可不做处理。
itmHandleClient = 0;
Console.WriteLine("Read value error:" + err.Message);
}
}
/// <summary>
/// 设置服务器和客户端的句柄对应的点位名
/// 将点位集合存入对应的服务器和客户端的句柄
/// </summary>
/// <param name="bindingData">点位集合</param>
/// <param name="opcItems"></param>
/// <param name="opcGroup"></param>
/// <param name="dic">客户端句柄点位字典</param>
/// <param name="serviceDic">服务器句柄点位字典</param>
public void SetServerHandle(List <OpcData> bindingData, OPCItems opcItems,
OPCGroup opcGroup, Dictionary <int, string> dic, Dictionary <int, string> serviceDic)
{
for (int i = 0; i < bindingData.Count; i++)
{
try
{
OPCItem item = opcItems.AddItem(bindingData[i].OpcName, i);
if (item != null)
{
dic.Add(item.ClientHandle, bindingData[i].OpcName);
serviceDic.Add(item.ServerHandle, bindingData[i].OpcName);
}
}
catch (Exception e)
{
throw;
}
foreach (KeyValuePair <int, string> keyValuePair in serviceDic)
{
try
{
ReadOpcValue(keyValuePair.Key, opcItems, opcGroup, bindingData, serviceDic);
}
catch (Exception e)
{
// ignored
}
}
}
}
private void myOPCItems_Fill(List <VarItem> OPCVariables, OPCItems items)
{
for (int i = 0; i < OPCVariables.Count; i++)
{
VarItem myVarItem = OPCVariables[i];
OPCItem myItem = items.AddItem(myVarItem.name, myVarItem.array_index);
// Check if the OPC variable consist in OPC server's configuration !!!
if (myItem == null)
{
this.myLog.LogAlert(AlertType.Error, this.id.ToString(), this.GetType().ToString(), "myOPCItems_Fill()",
"Exception: unknown variable '" + myVarItem.name + "' !!"
, "system");
OPCVariables.Remove(OPCVariables[i]);
}
else
{
OPCVariables[i].servHandle = myItem.ServerHandle;
this.myLog.LogAlert(AlertType.System, this.id.ToString(), this.GetType().ToString(), "myOPCItems_Fill()",
this.OPCServerName + ", myVarItem (name; arr_idx) = "
+ myVarItem.name.ToString()
+ ", " + myVarItem.array_index.ToString()
+ ", myItem.ServerHandle=" + myItem.ServerHandle.ToString()
+ ", myItem.Quality=" + myItem.Quality.ToString()
+ ", myItem.ItemID=" + myItem.ItemID.ToString()
// + ", myItem.Value=" + myItem.Value.ToString()
, "system"
);
}
}
}
private void listboxAlias_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (itmHandleClient != 0)
{
this.txtTagValue.Text = "";
this.txtQualities.Text = "";
this.txtTimeStamps.Text = "";
Array Errors;
OPCItem bItem = KepItems.GetOPCItem(itmHandleServer);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
KepItems.Remove(KepItems.Count, ref serverHandle, out Errors);
}
itmHandleClient = 1234;
KepItem = KepItems.AddItem(listboxAlias.SelectedItem.ToString(), itmHandleClient);
itmHandleServer = KepItem.ServerHandle;
}
catch (Exception err)
{
//没有任何权限的项，都是OPC服务器保留的系统项，此处可不做处理。
itmHandleClient = 0;
txtTagValue.Text = "Error ox";
txtQualities.Text = "Error ox";
txtTimeStamps.Text = "Error ox";
MessageBox.Show("此项为系统保留项:" + err.Message, "提示信息");
}
}
public bool AddItem(Tag bi)
{
try
{
#region *********集合已包含此Tag,则退出*************************
foreach (Tag item in this.Tags)
{
if (item.TagName == bi.TagName)
{
MessageBox.Show("Tag重复：在在重复的Tag点", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
}
#endregion
OPCItems items = this.OPCGroup.OPCItems;//根据指定的组类别，取出组下的标签集合
Func <Tag, int> f = p => { if (p != null)
{
return(p.ExtraAs <DaExtra>().ItmHandleClient + 1);
}
return(0); };
int itmHandleBegin = f(Tags.LastOrDefault());//itmHandleBegin的逻辑为最后一个标签itmHandle值+1
//关键，此步骤将标签添加入OPCclient的监听列表中
OPCItem ki = items.AddItem(bi.OpcTagName, itmHandleBegin);
bi.ExtraAs <DaExtra>().ItmHandleClient = itmHandleBegin;
bi.DataType = Enum.GetName(typeof(OpcTypes.CanonicalDataTypesForDa), ki.CanonicalDataType);
bi.ExtraAs <DaExtra>().ItmHandleServer = ki.ServerHandle;
Tags.Add((Tag)(Object)bi);
return(true);
}
catch (Exception)
{
throw;
}
}
public bool AddItem(string itemName)
{
try
{
opcItem = opcItems.AddItem(itemName, opcItems.Count + 1);
Console.WriteLine(opcItems.Count);
OpcDataItems.Add(new OPCDataItem {
ItemName = itemName, ItemHandle = opcItems.Count
});
}
catch
{
return(false);
}
return(true);
}
/// <summary>
/// 创建项
/// </summary>
public void AddGroupItems(string ItemID)
{
try
{
//IList<Model.PZYS_Storage.StorageTag> StorTagList = BusinessLogicLayer.PZYS_Storage.StorageTag.GetAllStorageTagList();
//itmHandleServer;
KepItems = KepGroup.OPCItems;
//MyItems2 = MyGroup2.OPCItems;
//OPCItem[] KepItem = new OPCItem[3];
//添加item
if (Cfg.Main.IsUseConfig)
{
ItemIDArr[0] = Cfg.Main.ItemIDComplete;
ItemIDArr[1] = Cfg.Main.ItemIDSensorID;
ItemIDArr[2] = Cfg.Main.ItemIDQty;
ItemIDArr[3] = Cfg.Main.ItemIDClear;
ItemIDArr[4] = Cfg.Main.SensorID;
ItemIDArr[5] = Cfg.Main.Press;
KepItemArr[0] = KepItems.AddItem(Cfg.Main.ItemIDComplete, 0);
KepItemArr[1] = KepItems.AddItem(Cfg.Main.ItemIDSensorID, 1);
KepItemArr[2] = KepItems.AddItem(Cfg.Main.ItemIDQty, 2);
KepItemArr[3] = KepItems.AddItem(Cfg.Main.ItemIDClear, 3);
KepItemArr[4] = KepItems.AddItem(Cfg.Main.SensorID, 4);
KepItemArr[5] = KepItems.AddItem(Cfg.Main.Press, 5);
ClientHandle = 6;
}
else
{
KepItem = KepItems.AddItem(ItemID, ClientHandle);
ClientHandle++;
}
//KepItem = KepItems.AddItem("Channel_0_User_Defined.Random.Random1", 0);//byte.Sine.Sine1
//Console.WriteLine("创建项成功");
//KepItemArr[0] = KepItems.AddItem("Channel_0_User_Defined.Random.Random2", 1);
//KepItemArr[1] = KepItems.AddItem("Channel_0_User_Defined.Random.Random3", 2);//byte.Sine.Sine1
//MyItem[1] = MyItems.AddItem("BPJ.Db1.dbw10", 1);//short
//MyItem[2] = MyItems.AddItem("BPJ.Db16.dbx0", 2);//bool
//MyItem[3] = MyItems.AddItem("BPJ.Db11.S0", 3);//string
//移除组内item
//Array Errors;
//int[] temp = new int[] { 0, MyItem[3].ServerHandle };
//Array serverHandle = (Array)temp;
//MyItems.Remove(1, ref serverHandle, out Errors);
//MyItem[3] = MyItems.AddItem("BPJ.Db11.S0", 3);//string
//MyItem2[0] = MyItems2.AddItem("BPJ.Db1.dbb96", 0);//byte
//MyItem2[1] = MyItems2.AddItem("BPJ.Db1.dbw10", 1);//short
//MyItem2[2] = MyItems2.AddItem("BPJ.Db16.dbx0", 2);//bool
//MyItem2[3] = MyItems2.AddItem("BPJ.Db11.S0", 3);//string
}
catch (Exception err)
{
Console.WriteLine("创建项出错：" + err.Message);
Log.TraceError("创建项出错：" + err.Message);
}
}
//初始化OPC行
static void InitItems()
{
OPCGroup group = _opcServer.OPCGroups.GetOPCGroup(groupName);
OPCItems items = group.OPCItems;
OPCItem a = items.AddItem(itemID1, 1);
OPCItem b = items.AddItem(itemID2, 2);
a = items.Item(2);
b = items.Item(1);
int c = 0;
c = a.ClientHandle;
c = b.ClientHandle;
c = 0;
}
private void AddGroupItems()
{
opcItems = opcGroup.OPCItems;
opcItem = new OPCItem[ItemList.Count];
for (int i = 0; i < ItemList.Count; i++)
{
opcItem[i] = opcItems.AddItem(ItemList[i].name, ItemList[i].handler);
}
}
public string AsyncWriteTagValue(string tag, string writeStr)
{
try
{
Array Errors;
if (itmHandleClientWriteData != 0)
{
OPCItem bItem = KepItemsWrite.GetOPCItem(itmHandleServerWriteData);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
KepItemsWrite.Remove(KepItemsWrite.Count, ref serverHandle, out Errors);
}
itmHandleClientWriteData = Array.IndexOf(tagList, tag) + 1;
KepItemWrite = KepItemsWrite.AddItem(tag, itmHandleClientWriteData);
itmHandleServerWriteData = KepItemWrite.ServerHandle;
OPCItem bItem_ = KepItemsWrite.GetOPCItem(itmHandleServerWriteData);
int[] temp_ = new int[2] {
0, bItem_.ServerHandle
};
Array serverHandles = (Array)temp_;
object[] valueTemp = new object[2] {
"", writeStr
};
Array values = (Array)valueTemp;
int cancelID;
KepGroupWriteData.AsyncWrite(1, ref serverHandles, ref values, out Errors, 2009, out cancelID);
GC.Collect();
return("OK");
}
catch (Exception err)
{
return(err.Message);
}
}
public OpcReadAndWrite(List <DSW_ParamTableModel> list)
: base(list)
{
CreateGroup();
opcItem = new OPCAutomation.OPCItem[ModelList.Count];
objItems = objGroup.OPCItems;
myDcWrite.Clear();
for (int i = 0; i < ModelList.Count; i++)
{
opcItem[i] = objItems.AddItem(ModelList[i].KepAddress, i);
myDcWrite.Add(ModelList[i].KepAddress, opcItem[i]);
}
}
public OpcReadAndWrite(ParamClass PC)
: base(PC)
{
CreateGroup();
opcItem = new OPCAutomation.OPCItem[PC.ParamList.Count];
objItems = objGroup.OPCItems;
myDc.Clear();
for (int i = 0; i < PC.ParamList.Count; i++)
{
opcItem[i] = objItems.AddItem(PC.ParamList[i].KepAddress, i);
myDc.Add(PC.ParamList[i].LabelName, opcItem[i]);
}
}
public void AddItems(string[] itemNamesAdded)
{
for (int i = 0; i < itemNamesAdded.Length; i++)
{
this.itemNames.Add(itemNamesAdded[i]);
itemValues.Add(itemNamesAdded[i], "");
}
for (int i = 0; i < itemNamesAdded.Length; i++)
{
itemHandleClient.Add(itemHandleClient.Count != 0 ? itemHandleClient[itemHandleClient.Count - 1] + 1 : 1);
opcItem = opcItems.AddItem(itemNamesAdded[i], itemHandleClient[itemHandleClient.Count - 1]);
itemHandleServer.Add(opcItem.ServerHandle);
}
}
public string AsyncReadTagValue(string tag)
{
try
{
Array Errors;
if (itmHandleClientReadData != 0)
{
OPCItem bItem = KepItemsRead.GetOPCItem(itmHandleServerReadData);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
KepItemsRead.Remove(KepItemsRead.Count, ref serverHandle, out Errors);
}
itmHandleClientReadData = Array.IndexOf(tagList, tag) + 1;
KepItemRead = KepItemsRead.AddItem(tag, itmHandleClientReadData);
itmHandleServerReadData = KepItemRead.ServerHandle;
OPCItem bItem_ = KepItemsRead.GetOPCItem(itmHandleServerReadData);
int[] temp_ = new int[2] {
0, bItem_.ServerHandle
};
Array serverHandles = (Array)temp_;
int cancelID;
//KepGroupReadData.AsyncWrite(1, ref serverHandles, ref values, out Errors, 2009, out cancelID);
KepGroupReadData.AsyncRead(1, ref serverHandles, out Errors, 2018, out cancelID);
GC.Collect();
return("OK");
}
catch (Exception err)
{
return(err.Message);
}
}
/// <summary>
/// 根据列表中选中的当前标签，定位到需要发送数据的标签
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSetItem_Click(object sender, EventArgs e)
{
try
{
/**
* 需要注意，不同的OPC服务器的标签格式也是不同的
* 测试时，使用的是ICONICS Simulator OPC Server，标签格式如：Textual.Memory
* 生产环境时，使用的是SimaticNet_V13Sp1，标签格式如：S7:[S7_Connection_1]MReal120
* **/
//根据ListBox选中的标签，处理得到分组名称
string groupName = lstItems.Text;
//实例化组
myGroups = myServer.OPCGroups;
myGroup = myGroups.Add(groupName);
//设置缺省的组属性
myServer.OPCGroups.DefaultGroupIsActive = true;
myServer.OPCGroups.DefaultGroupDeadband = 0;
myGroup.UpdateRate = 250;
myGroup.IsActive = true;
myGroup.IsSubscribed = true;
//定位需要发送数据的目标项
myItems = myGroup.OPCItems;
//实例化组内标签
myItemArray = new OPCItem[1];
//填充项目组
myItemArray[0] = myItems.AddItem(lstItems.Text, 1);
//获取服务端句柄
itmHandleServer = myItemArray[0].ServerHandle;
//监听组内数据变化
myGroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(myGroup_DataChange);
myGroup.AsyncWriteComplete += new DIOPCGroupEvent_AsyncWriteCompleteEventHandler(myGroup_AsyncWriteComplete);
//开启发送参数按钮
btnWrite.Enabled = true;
}
catch (Exception err)
{
MessageBox.Show("创建组出现错误：" + err.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
void CreateReadGroup()
{
opcGroups = opcServer.OPCGroups;
opcGroup = opcGroups.Add("PLCReadAddress");
SetGroupProperty();
opcItems = opcGroup.OPCItems;
int i = 0;
foreach (string address in opc_address)
{
opcItem[i] = opcItems.AddItem(address, i);
i++;
}
//opcGroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(opcGroup_DataChange);
}
public ItemReadSync(ParamClass PC)
{
CreateGroup();
opcItem = new OPCAutomation.OPCItem[PC.ParamList.Count];
objItems = objGroup.OPCItems;
for (int i = 0; i < PC.ParamList.Count; i++)
{
opcItem[i] = objItems.AddItem(PC.ParamList[i].KepAddress, i);
}
paramClass = PC;
tTimer = new System.Timers.Timer(100);
tTimer.Elapsed += SyncRead;
tTimer.Start();
}
public void AddItem(string itemName)
{
try
{
KepItems = KepGroup.OPCItems;
KepItem = KepItems.AddItem(itemName, KepItemServerHandles.Count);
OpcDataItems.Add(new OPCDataItem {
ItemName = itemName, ItemHandle = KepItemServerHandles.Count
});
KepItemServerHandles.Add(KepItem.ServerHandle);
KeyItemServerHandles = KepItemServerHandles.ToArray();
}
catch (Exception ex)
{
SimpleLogHelper.Instance.WriteLog(LogType.Error, ex);
}
}
//创建项
private void CreateItems(string[] point)
{
_tagValue = new double[point.Length];
int i;
for (i = 0; i < point.Length; i++)
{
try
{
_kepItem = _kepItems.AddItem(point[i], i);
_opcItemDic.Add(point[i].Substring(point[i].LastIndexOf('.') + 1, point[i].Length - point[i].LastIndexOf('.') - 1), _kepItem.ServerHandle);
}
catch (Exception ex)
{
LogHelper.WriteLog(typeof(OpcClient), ex.StackTrace + ex.Message);
}
}
}
public void AddItems(List <string> ls)
{
try {
itmHandleClient = 1000;
foreach (string itm in ls)
{
itmHandleClient++;
PxItem = PxItems.AddItem(itm, itmHandleClient);
itmHandleServer = PxItem.ServerHandle;
OPCItemDic.Add(itm, PxItem);
}
}
catch (Exception err) {
//没有任何权限的项，都是OPC服务器保留的系统项，此处可不做处理。
itmHandleClient = 0;
Debug.WriteLine("此项为系统保留项:" + err.Message);
}
}
public OPCItem[] AddGroupItems(OPCGroup group, string filename)
{
OPCItems Items = group.OPCItems;
IEnumerable <string> lines = File.ReadAllLines(filename);
int itemsCount = lines.Count();
int linenum = 0;
OPCItem[] item = new OPCItem[itemsCount];
foreach (string line in lines)
{
string[] segs = line.Split('-');
string strName = segs[0].ToString();
string strHandle = segs[1].ToString();
item[linenum] = Items.AddItem(strName, Int32.Parse(strHandle));
linenum++;
}
return(item); //返回的第一个值为OPCITEM数组
}
public void InitPt(int nNum, numInf[] nrst, int sNum, strInf[] srst)
{
try
{
MyItems = MyGroup.OPCItems;
MyItem = new OPCItem[nNum + sNum];
numinf = new numInf[nNum];
strinf = new strInf[sNum];
numNum = nNum;
strNum = sNum;
int i = 0;
foreach (numInf nn in nrst)
{
try
{
MyItem[i] = MyItems.AddItem(nn.srcId, i);//byte
i++;
}
catch
{
try
{
sw = File.AppendText(logfile);
sw.WriteLine("初始化点" + nn.srcId + "失败！");
sw.Close();
}
catch { }
//MyItem[i] = MyItems.AddItem(nrst[i - 1].srcId, i);
MyItem[i] = MyItem[i - 1];
i++;
continue;
}
}
foreach (strInf ss in srst)
{
try
{
MyItem[i] = MyItems.AddItem(ss.srcId, i);//byte
i++;
}
catch
{
try
{
sw = File.AppendText(logfile);
sw.WriteLine("初始化点" + ss.srcId + "失败！");
sw.Close();
}
catch { }
MyItem[i] = MyItem[i - 1];
i++;
continue;
}
}
object ItemValuestemp; object Qualities; object TimeStamps;//同步读的临时变量：值、质量、时间戳
for (int ii = 0; ii < nNum + sNum; ii++)
{
MyItem[ii].Read(1, out ItemValuestemp, out Qualities, out TimeStamps);//同步读，第一个参数只能为1或2
if (ii < nNum)
{
numinf[ii].val = Convert.ToSingle(ItemValuestemp);//转换后获取item值
numinf[ii].dtm = Convert.ToDateTime(TimeStamps);
}
else
{
strinf[ii - numNum].val = Convert.ToString(ItemValuestemp);//转换后获取item值
strinf[ii - numNum].dtm = Convert.ToDateTime(TimeStamps);
}
}
MyGroup.IsSubscribed = true;//使用订阅功能，即可以异步，默认false
try
{
sw = File.AppendText(logfile);
sw.WriteLine("初始化点成功！");
sw.Close();
}
catch { }
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
/// <summary>
/// 初始化OPC服务器
/// </summary>
void InitOpc()
{
connected = false;
connecteds = false;
isfirstuse = true;
try
{
string severname = "KEPware.KEPServerEx.V4";
string groupname = "S7-200.S7-200-1";
string outname = "S7-200.S7-200-1.OUT";
string inname = "S7-200.S7-200-1.IN";
string chuanname = "S7-200.S7-200-1.CHUAN";
string confname = "S7-200.S7-200-1.CONF";
myserver = new OPCServer();
myserver.Connect(severname);
mygroups = myserver.OPCGroups;
mygroup = mygroups.Add(groupname);
mygroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(ObjOPCGroup_DataChange);
myitems = mygroup.OPCItems;
item_out = myitems.AddItem(outname, 1);//opcitem标识，1out,2config,3in,4chuan
item_conf = myitems.AddItem(confname, 2);
item_in = myitems.AddItem(inname.ToString(), 3);
item_chuan = myitems.AddItem(chuanname.ToString(), 4);
mygroup.UpdateRate = 10;
mygroup.IsActive = true;
mygroup.IsSubscribed = true;
connected = true;
}
catch (Exception e)
{
MessageBox.Show(e.ToString());//如果连接不上，说明运行库有问题，关了软件重新安装必要组件再运行
}
}