public bool BindToPLC()
{
opcServer = new OPCServer();
if (!opcServer.Connect())
{
return(false);
}
if (!opcServer.AddGroup())
{
return(false);
}
int client = 1;
if (commandDB != null)
{
OpcRcw.Da.OPCITEMDEF[] commandItem = new OPCITEMDEF[commandDB.Length];
for (int i = 0; i < commandDB.Length; i++)
{
commandItem[i].szAccessPath = "";
commandItem[i].bActive = 1;
commandItem[i].hClient = client;
commandItem[i].dwBlobSize = 1;
commandItem[i].pBlob = IntPtr.Zero;
commandItem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
commandItem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", commandDB[i]);
client++;
}
if (!opcServer.AddItems(commandItem, commandHandle))
{
return(false);
}
}
isBindToPLC = true;
return(isBindToPLC);
}
/// <summary>
/// 初始化，绑定PLC
/// </summary>
public void BindToPLC()
{
OpcRcw.Da.OPCITEMDEF[] Items = new OPCITEMDEF[1];
Items[0].szAccessPath = "";
Items[0].bActive = 1;
Items[0].hClient = 1;
Items[0].dwBlobSize = 1;
Items[0].pBlob = IntPtr.Zero;
Items[0].vtRequestedDataType = (int)VarEnum.VT_BSTR;
if (commandDB.Length > 2)
{
Items[0].szItemID = string.Format("S7:[S7 connection_1]{0}", commandDB); //状态DB
opcServer.AddItems(Items, commandHandle);
}
if (returnDB.Length > 2)
{
Items[0].szItemID = string.Format("S7:[S7 connection_1]{0}", returnDB); //状态DB
opcServer.AddItems(Items, returnHandle);
}
if (controlDB.Length > 2)
{
Items[0].vtRequestedDataType = (int)VarEnum.VT_UI2;
Items[0].szItemID = string.Format("S7:[S7 connection_1]{0}", controlDB); //状态DB
opcServer.AddItems(Items, controlHandle);
}
if (failureDB.Length > 2)
{
Items[0].szItemID = string.Format("S7:[S7 connection_1]{0}", failureDB); //状态DB
opcServer.AddItems(Items, failureHandle);
}
if (loadDB.Length > 2)
{
if (statusType == "MJTD")
{
Items[0].vtRequestedDataType = (int)VarEnum.VT_UI2;
}
else
{
Items[0].vtRequestedDataType = (int)VarEnum.VT_BSTR;
}
Items[0].szItemID = string.Format("S7:[S7 connection_1]{0}", loadDB); //状态DB
opcServer.AddItems(Items, loadHandle);
}
isBindToPLC = true;
}
public override bool BindToPLC()
{
//同步OPC
opcServer = new OPCServer();
if (!opcServer.Connect())
{
return(false);
}
if (!opcServer.AddGroup())
{
return(false);
}
int client = 1;
if (controlDB != null)
{
OpcRcw.Da.OPCITEMDEF[] controlitem = new OPCITEMDEF[controlDB.Length];
for (int i = 0; i < controlDB.Length; i++)
{
controlitem[i].szAccessPath = "";
controlitem[i].bActive = 1;
controlitem[i].hClient = client;
controlitem[i].dwBlobSize = 1;
controlitem[i].pBlob = IntPtr.Zero;
controlitem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
controlitem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", controlDB[i]); //状态DB
client++;
}
if (!opcServer.AddItems(controlitem, controlHandle))
{
return(false);
}
}
//if (failureDB != null)
//{
// OpcRcw.Da.OPCITEMDEF[] failureitem = new OPCITEMDEF[failureDB.Length];
// for (int i = 0; i < failureDB.Length; i++)
// {
// failureitem[i].szAccessPath = "";
// failureitem[i].bActive = 1;
// failureitem[i].hClient = client;
// failureitem[i].dwBlobSize = 1;
// failureitem[i].pBlob = IntPtr.Zero;
// failureitem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
// failureitem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", failureDB[i]); //状态DB
// client++;
// }
// if (!opcServer.AddItems(failureitem, failureHandle)) return false;
//}
//异步OPC
if (!BindToPLCAsyn())
{
return(false);
}
isBindToPLC = true;
return(isBindToPLC);
}
public Int64 lastRefreshTicks; //保存上次刷新的时间，当两次刷新时间间隔较小（小于100ms）时，不进行刷新。
public virtual bool BindToPLC()
{
opcServer = new OPCServer();
if (!opcServer.Connect())
{
return(false);
}
if (!opcServer.AddGroup())
{
return(false);
}
int client = 1;
if (commandDB != null)
{
OpcRcw.Da.OPCITEMDEF[] commandItem = new OPCITEMDEF[commandDB.Length];
for (int i = 0; i < commandDB.Length; i++)
{
commandItem[i].szAccessPath = "";
commandItem[i].bActive = 1;
commandItem[i].hClient = client;
commandItem[i].dwBlobSize = 1;
commandItem[i].pBlob = IntPtr.Zero;
commandItem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
commandItem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", commandDB[i]); //状态DB
client++;
}
if (!opcServer.AddItems(commandItem, commandHandle))
{
return(false);
}
}
if (returnDB != null)
{
OpcRcw.Da.OPCITEMDEF[] returnitem = new OPCITEMDEF[returnDB.Length];
for (int i = 0; i < returnDB.Length; i++)
{
returnitem[i].szAccessPath = "";
returnitem[i].bActive = 1;
returnitem[i].hClient = client;
returnitem[i].dwBlobSize = 1;
returnitem[i].pBlob = IntPtr.Zero;
returnitem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
returnitem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", returnDB[i]); //状态DB
client++;
}
if (!opcServer.AddItems(returnitem, returnHandle))
{
return(false);
}
}
if (controlDB != null)
{
OpcRcw.Da.OPCITEMDEF[] controlitem = new OPCITEMDEF[controlDB.Length];
for (int i = 0; i < controlDB.Length; i++)
{
controlitem[i].szAccessPath = "";
controlitem[i].bActive = 1;
controlitem[i].hClient = client;
controlitem[i].dwBlobSize = 1;
controlitem[i].pBlob = IntPtr.Zero;
controlitem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
controlitem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", controlDB[i]); //状态DB
client++;
}
if (!opcServer.AddItems(controlitem, controlHandle))
{
return(false);
}
}
if (statusDB != null)
{
OpcRcw.Da.OPCITEMDEF[] statusitem = new OPCITEMDEF[statusDB.Length];
for (int i = 0; i < statusDB.Length; i++)
{
statusitem[i].szAccessPath = "";
statusitem[i].bActive = 1;
statusitem[i].hClient = client;
statusitem[i].dwBlobSize = 1;
statusitem[i].pBlob = IntPtr.Zero;
statusitem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
statusitem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", statusDB[i]); //状态DB
client++;
}
if (!opcServer.AddItems(statusitem, statusHandle))
{
return(false);
}
}
if (failureDB != null)
{
OpcRcw.Da.OPCITEMDEF[] failureitem = new OPCITEMDEF[failureDB.Length];
for (int i = 0; i < failureDB.Length; i++)
{
failureitem[i].szAccessPath = "";
failureitem[i].bActive = 1;
failureitem[i].hClient = client;
failureitem[i].dwBlobSize = 1;
failureitem[i].pBlob = IntPtr.Zero;
failureitem[i].vtRequestedDataType = (int)VarEnum.VT_BSTR;
failureitem[i].szItemID = string.Format("S7:[S7 connection_1]{0}", failureDB[i]); //状态DB
client++;
}
if (!opcServer.AddItems(failureitem, failureHandle))
{
return(false);
}
}
isBindToPLC = true;
return(isBindToPLC);
}