Connect to kepware OPC DA using Utgard
问题 I am using below code to make the connection from UTGARD to Kepware V6 OPC DA. package com.flutura.openscada.tutorial; import java.util.concurrent.Executors; import java.util.logging.Logger; import org.jinterop.dcom.common.JIException; import org.openscada.opc.lib.common.ConnectionInformation; import org.openscada.opc.lib.da.AccessBase; import org.openscada.opc.lib.da.DataCallback; import org.openscada.opc.lib.da.Item; import org.openscada.opc.lib.da.ItemState; import org.openscada.opc.lib.da