OPCDAAuto.dll OPCGroup dataChange not work invoke after work a period time|Classic OPC: DA, A&E, HDA, XML-DA, etc.|Forum|OPC Foundation This forum requires Javascript to be enabled for posting content Log InSelect ForumAnnouncementsProduct and Service RequestsSuggestionsOPC MarketplaceOPC UA StandardOPC UA Companion StandardsOPC UA Implementation: Stacks, Tools, an…OPC Certification and Interoperability T…Classic OPC: DA, A&E, HDA, XML-DA, e…Miscellaneous SearchAdvanced SearchSearchForum ScopeCurrent forumAll forumsMatchMatch any wordMatch all wordsMatch phraseForum OptionsPosts onlyTopic titles onlyPosts and topic titlesMinimum search word length is 3 characters - maximum search word length is 84 characters Search Login name Password Remember me Lost password? HomeForumClassic OPC: DA, A&E, HDA, XML-…OPCDAAuto.dll OPCGroup dataChange n… OPCDAAuto.dll OPCGroup dataChange not work invoke after work a period timejian xinNew MemberMembersForum Posts: 2Member Since: 11/25/2022 Offline103/16/2023 - 00:13 I use OPCDAAuto.dll to connect OPC Server.Everything work normally,but after work about half an hour,dataChange event never work. But i print check group status,like isActive/IsSubscribe...,every thing is ok. Could anyone give me one hand? Randy ArmstrongAdmin Forum Posts: 1229Member Since: 05/30/2017 Offline203/16/2023 - 05:11 Check your threading. A deadlock somewhere could explain the symptoms. Forum Timezone: America/PhoenixMost Users Ever Online: 202Currently Online: Guest(s) 29Currently Browsing this Page: 1 Guest(s)Top Posters: Forum Stats: Groups: 2Forums: 10Topics: 1215Posts: 4053 Usage Policy © Simple:Press — Privacy Policy New / Updated TopicsOPC-UA metric collector and anomaly dete…GDS CRL's renewalsBest practice for exposing enumeration v…Modelling a Characteristic With UnitsUpdate OPC XML DA to OPC UAMandatory sub-instance declarationsNamespace of Id BrowseName on custom var…EnumString and multiple localesWrite method of the TrustListTypeOPC UA Secure Conversation OpenSecureCha…Encoding of data type fields which use a…OPCUA Client Application Development - V…Reading a tool offset valueArgument in WwMessageArgumentDataTypeLocation of XML Model Used To Generate O…HistoryRead bit in EventNotifier attribu…OPCDAAuto.dll OPCGroup dataChange not wo…JavaScript OPC XML DA clientOPC DA VB Wrapper (OPCDAAUTO) and DCOM H…OPC DA Core components installer not ins…