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Is there an OPC standard for .Net OPC DA ?

April 26, 2017da OPC standard

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Is there an OPC standard for .Net OPC DA ?

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The OPC Foundation has sample code for an OPC DA .Net interface but there is no specification. The available .Net interface wrapper products have an interface similar to the OPC DA custom or automation interface, with some changes required by .Net. Advosol Inc. additionally offers an OPC DA client component with an XML-DA interface. Clients can be implemented as XML-DA clients even if still OPC DA servers have to be accessed.