The DANSrv OPC DA .NET Server is a Rapid server toolkit with an OPC DA V2 / V3 compliant server as an EXE file and a .Net assembly with the customized device access code. The interface between the generic server EXE and the customization DLL is simple yet flexible and is well suited for a wide range of applications, from simple devices to complex databases.

The customization assembly can be seen as a plug-in module to handle specific applications. This plug-in .Net assembly can be coded in Visual Basic, C# or with any .Net compiler. All OPC and DCOM specific handling is done in the generic server. The customization plug-in is a pure .Net assembly that implements a few methods that are called from the generic part.

Specifications: OPC DA V2.05 / V3.0 compliant All optional OPC features supported Free threaded Server Hierarchical, static or dynamic item address space .Net customization assembly Visual Basic .Net C# Wizard for Project generation Skeleton customization code Sample customization code OPC DA V2 and V3 Test Clients ConfigBuilder tool / class for XML file based item configuration

The Professional Edition includes a version of the .NET4 generic server that works with the uaPLUS generic server DLL to allow parallel access from OPC DA and OPC UA servers. UA capability is added by including the uaPLUSdll.Net4.dll. Only minimal code changes are required in the application specific implementation of NSPlugin.dll. A license of the uaPLUS server toolkit is required in addition to the DANSrv license.

The DANSrv generic server is provided in 32bit and 64bit versions:

An OPC Alarms&Events option is available as an add-on for servers that need to support the OPC DA and the OPC AE standards.