public bool BindToPLC()
{
opcServer = new OPCServerAsyn();
if (!opcServer.Connect())
{
return(false);
}
if (!opcServer.AddGroup(this))
{
return(false);
}
int client = 1;
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)System.Runtime.InteropServices.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);
}
}
//异步读
opcServer.ReadPlc(statusHandle);
//订阅
if (!opcServer.DataChange())
{
return(false);
}
isBindToPLC = true;
return(isBindToPLC);
}
public bool BindToPLCAsyn()
{
this.opcServerAsyn = new OPCServerAsyn();
if (!this.opcServerAsyn.Connect())
{
return(false);
}
if (!this.opcServerAsyn.AddGroup(this))
{
return(false);
}
int num = 1;
if (base.statusDB != null)
{
OPCITEMDEF[] items = new OPCITEMDEF[base.statusDB.Length];
for (int i = 0; i < base.statusDB.Length; i++)
{
items[i].szAccessPath = "";
items[i].bActive = 1;
items[i].hClient = num;
items[i].dwBlobSize = 1;
items[i].pBlob = IntPtr.Zero;
items[i].vtRequestedDataType = 8;
items[i].szItemID = $"S7:[S7_Connection_1]{base.statusDB[i]}";
//items[0].szItemID = $"Logical.test3";
num++;
}
if (!this.opcServerAsyn.AddItems(items, base.statusHandle))
{
return(false);
}
}
this.opcServerAsyn.ReadPlc(base.statusHandle);
if (!this.opcServerAsyn.DataChange())
{
return(false);
}
return(true);
}
public bool BindToPLCAsyn(int dwRequestedUpdateRate)
{
this.opcServerAsyn = new OPCServerAsyn();
this.opcServerAsyn.plcip = this.mainFrm.plc_ip;
if (!this.opcServerAsyn.Connect())
{
return(false);
}
if (!this.opcServerAsyn.AddGroup(this, dwRequestedUpdateRate))
{
return(false);
}
int num = 1;
if (this.R_CarDownTaskDB != null)
{
OPCITEMDEF[] items = new OPCITEMDEF[this.R_CarDownTaskDB.Length];
for (int i = 0; i < this.R_CarDownTaskDB.Length; i++)
{
items[i].szAccessPath = "";
items[i].bActive = 1;
items[i].hClient = num;
items[i].dwBlobSize = 1;
items[i].pBlob = IntPtr.Zero;
items[i].vtRequestedDataType = 8;
items[i].szItemID = $"S7:[S7_Connection_1]{this.R_CarDownTaskDB[i]}";
num++;
}
//for (int i = 0; i < 4; i++)
//{
// items[i].szAccessPath = "";
// items[i].bActive = 1;
// items[i].hClient = num;
// items[i].dwBlobSize = 1;
// items[i].pBlob = IntPtr.Zero;
// items[i].vtRequestedDataType = 8;
// items[i].szItemID = $"Logical.test{num}";
// if (i == 3)
// {
// items[i].hClient = num + 10;
// items[i].szItemID = "Numeric.NewDataItem1";
// }
// num++;
//}
if (!this.opcServerAsyn.AddItems(items, this.returnHandle))
{
return(false);
}
}
//if (this.R_CarDownTaskDB1 != null)
//{
// OPCITEMDEF[] items = new OPCITEMDEF[this.R_CarDownTaskDB1.Length];
// for (int i = 0; i < this.R_CarDownTaskDB1.Length; i++)
// {
// items[i].szAccessPath = "";
// items[i].bActive = 1;
// items[i].hClient = num;
// items[i].dwBlobSize = 1;
// items[i].pBlob = IntPtr.Zero;
// items[i].vtRequestedDataType = 8;
// items[i].szItemID = $"S7:[S7_Connection_1]{this.R_CarDownTaskDB1[i]}";
// num++;
// }
// //for (int i = 0; i < 4; i++)
// //{
// // items[i].szAccessPath = "";
// // items[i].bActive = 1;
// // items[i].hClient = num;
// // items[i].dwBlobSize = 1;
// // items[i].pBlob = IntPtr.Zero;
// // items[i].vtRequestedDataType = 8;
// // items[i].szItemID = $"Logical.test{num}";
// // if (i == 3)
// // {
// // items[i].hClient = num + 10;
// // items[i].szItemID = "Numeric.NewDataItem1";
// // }
// // num++;
// //}
// if (!this.opcServerAsyn.AddItems(items, this.returnHandle1))
// {
// return false;
// }
// }
this.opcServerAsyn.ReadPlc(this.returnHandle);
this.opcServerAsyn.ReadPlc(this.returnHandle1);
if (!this.opcServerAsyn.DataChange())
{
return(false);
}
return(true);
}
