Opcserver Modbus Usage and configuration

One, install the KEPware.Enhanced.OPC.DDE.KEPServer. (plc data transfer to Kepserver, developed program with Opcserver read kepserver)

Open the Quick client to view the value of the pass

Two. C # program code

Reference Opcdaauto.dll

Under win7 64 bit kepserver = new Opcserver () The problem is error,

Retrieving a component in a COM class factory with a CLSID of <28e68f9a-8d75-11d1-8dc3-3c302a000000> failed because of the following error: 80040154

1. Be sure to open the Cmd.exe Run command file (instead of running open) in the C:\Windows\SysWOW64 path, and register the "OPCDAAuto.dll" command: REGSVR32 OPCDAAuto.dll;

2. Compile tool target to select x86

Kepserver.connect ("KEPware.KEPServerEx.V4", "127.0.0.1"); The IP address here is the IP address where the KEPware.Enhanced.OPC.DDE.KEPServer computer is installed.

usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingopcautomation;usingSystem.Threading;namespacespctest{ Public Partial classForm2:form {PrivateOpcserver Kepserver; Privateopcgroups kepgroups; PrivateOpcgroup Kepgroup; PrivateOpcitems Kepitems; //Bearing net weight, grease amount, dust cover press into depth, dust cover flatness press into Ok/ng        PrivateOpcitem item1, item2, Item3;  PublicForm2 () {InitializeComponent (); }        #regionOPC ServerPrivate voidkepserverload () {Try{kepserver=NewOpcserver (); Kepserver.connect ("KEPware.KEPServerEx.V4","127.0.0.1"); if(Kepserver.serverstate = = (int) {opcserverstate.opcrunning) {//statuslabelconnectinfo.text = "OPC server connection succeeded";                }                Else                {                   //statuslabelconnectinfo.text = "OPC server connection failed";                    return; }            }            Catch(Exception ex) {//statuslabelconnectinfo.text = "OPC Server connection failed," + ex. Message;                return; } kepgroups=kepserver.opcgroups; Thread T1; //open 1 threads for reading dataT1 =NewThread (NewThreadStart (kepprocess)); T1.        Start (); }         Public voidkepprocess () {//Kepgroup = Kepgroups.add ("Channel.Device.Group");Kepgroup = Kepgroups.add ("Channel1.Device1.Group"); Kepgroup.updaterate= -; Kepgroup.isactive=true; Kepgroup.issubscribed=true; //triggering events when data changes in the KepgroupKepgroup.datachange + =NewDiopcgroupevent_datachangeeventhandler (Kepgroup_datachange); Kepitems=Kepgroup.opcitems; Item1= Kepitems.additem ("Channel1.Device1.A01",1); ITEM2= Kepitems.additem ("Channel1.Device1.A02",2); Item3= Kepitems.additem ("Channel1.Device1.A03",3); }              //events that are triggered when data changes         Public Delegate voidDelegateshowmessage (stringstr);  Public voidKepgroup_datachange (intTransactionID,intNumItems,refArray Clienthandles,refArray Itemvalues,refArray qualities,refArray Timestamps) {            stringstr =""; Delegateshowmessage Show1=Newdelegateshowmessage (showmessage);  for(inti =1; I <= NumItems; i++)            {                if(Clienthandles.getvalue (i). Equals (1) ) {str="A01:"+Itemvalues.getvalue (i).                ToString (); }                if(Clienthandles.getvalue (i). Equals (2) ) {str="A02:"+Itemvalues.getvalue (i).                ToString (); }                if(Clienthandles.getvalue (i). Equals (3) ) {str="A03:"+Itemvalues.getvalue (i).                ToString (); } BeginInvoke (Show1,New string[] {str}); }                           }                  Public voidShowMessage (stringstr) {Richtextbox1.appendtext (str+","); }            #endregion        Private voidForm2_load (Objectsender, EventArgs e)        {kepserverload (); }        Private voidForm2_formclosing (Objectsender, FormClosingEventArgs e)        {Kepserver.disconnect (); }    }}

Opcserver Modbus Usage and configuration