For more information, refer to ClientAceDA_Junction. The DA Junction will perform the connection handling procedure between the custom client application and the OPC server, and will monitor and reconnect when necessary.
No detailed knowledge of OPC Data Access (DA) interfaces is required. ClientAce DA Junction: The ClientAce DA Junction is a control that enables Visual Basic.NET or C# programmers to develop OPC client applications that can access a variety of OPC servers. For more information, refer to ClientAce.NET API Assembly. Descriptions of the parts are as follows: ClientAce.NET API: The ClientAce.NET API provides C# and Visual Basic.NET language users with a simple, intuitive, and optimized class library in order to quickly develop OPC client applications for accessing OPC servers.
ClientAce consists of two main parts: the.net Application Programming Interface (API) and the DA Junction. Overview ClientAce provides tools to help developers easily build an OPC client application. Other company and product names mentioned herein are the trademarks or registered trademarks of their respective owners. Kepware and KEPServerEX are trademarks of Kepware Technologies.
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1 ClientAce Help 2014 Kepware TechnologiesĢ 2 ClientAce Help Table of Contents Table of Contents 2 Contents 5 Overview 5 System and Application Requirements 6 Runtime Requirements 7 ClientAce.NET API Assembly 8 EndPointIdentifier Class 8 PkiCertificate Class 8 toder Method 10 fromder Method 11 towindowsstore Method 11 towindowsstorewithprivatekey Method 13 fromwindowsstore Method 14 fromwindowsstorewithprivatekey Method 16 ServerIdentifier Class 18 ServerCategory Enumeration 19 WinStoreLocation Enumeration 19 OpcServerEnum Object 19 ClsidFromProgID Method 20 EnumComServer Method 21 getcertificateforendpoint Method 22 getendpoints Method 24 Namespace 25 BrowseElement Class 26 ConnectInfo Class 26 DaServerMgt Class 28 ItemIdentifier Class 28 ItemResultCallback Class 29 ItemProperty Class 29 ItemValue Class 29 ItemValueCallback Class 30 QualityID Class 30 ResultID Class 31 UserIdentityToken Class 33 UserIdentityTokenCertificate Class 33 UserIdentityTokenIssuedToken Class 33 UserIdentityTokenUserPassword Class 33 BrowseFilter Enumeration 34ģ ClientAce Help 3 Property ID Enumeration 34 ServerState Enumeration 35 ReturnCode Enumeration 35 UserTokenType Enumeration 35 DaServerMgt Object 35 AccessRights Enumerated Values 36 DataChanged Event 36 ReadCompleted Event 39 ServerStateChanged Event 41 WriteCompleted Event 42 Browse Method 44 Connect Method 48 Disconnect Method 50 Get Properties Method 51 Read Method 52 ReadAsync Method 55 Subscribe Method 57 SubscriptionModify Method 59 SubscriptionAddItems Method 61 SubscriptionCancel Method 63 SubscriptionRemoveItems Method 64 Write Method 66 WriteAsync Method 68 IsConnected Property 70 ServerState Property 70 ClientAceDA_Junction 70 Project Setup 72 DA Junction Configuration Window 72 A Sample Project Using DA Junction with VB.NET or C# 80 Item Update Rate 92 Disabling DataChange While the Control Has Focus 95 Additional Controls 99 ItemBrowser Control Properties 99 Adding an ItemBrowser Control 103 OpcDaItem Class 109 NodeType Enumerated Values 109 ServerBrowser Control Properties 109 Adding a ServerBrowser Control 112 OPCType Enumerated Values 116Ĥ 4 ClientAce Help OPCUrl Class 116 KEPServerEX Controls 117 Adding a ChannelSetting Control 117 Adding a ServerState Control 121 Data Types Description 124 Applying ClientAce 125 Licensing ClientAce 125 Upgrading ClientAce 127 Signing Your Client Application 127 Deploying Your Client Application 128 Visual Studio 2003 and Visual Studio 2005 (.NET x Assemblies) 129 Visual Studio 2008 (.NET x Assemblies) 129 Visual Studio 2010, 2012, and 2013 (.NET x Assemblies) 130 Troubleshooting 131 ASP.NET Development Incompatibility 131 CoInitializeSecurity 131 Converting Visual Studio 2008 to Visual Studio Microsoft Visual Studio Environment Configuration 134 Missing Controls 134 Referencing Controls 138 Removing Blank Toolbar Options after Uninstalling ClientAce (VS 2005) 138 Visual Studio 2008, 2010, and Appendix 141 Deconstructing the OPC Quality Field 141 UAC Self Elevation 142 Index 144ĥ 5 ClientAce Help Help version Contents Overview System and Application Requirements ClientAce.NET API Assembly ClientAceDA_Junction Additional Controls Data Types Description Applying ClientAce Troubleshooting Appendix Kepware Technologies.