OPC Data Client directly supports following OPC specifications
Parts needed to support Data Access, Alarms & Conditions, Discovery and PubSub functionality are covered.
OPC Data Client is officially certified (by the means of its Connectivity Explorer application - because toolkits cannot be certified as such) by OPC Foundation (Certification Date: 09/24/2017, Certificate Number 1710CE0091), https://opcfoundation.org/products/view/net-and-com-client-toolkit-quickopc/ . This is a renewed certification; OPC Data Client has been the first product of its kind (.NET-based client toolkit) that has ever been awarded this certification.
Specifically, the certified profiles are:
OPC Data Client supports more facets than just those that have been certified. See OPC Data Client Supported OPC UA Profiles for the full list.
You may also want to consult the list of OPC Data Client Supported OPC UA Services (Client-Server) and OPC Data Client Supported OPC UA Security Policies supported by OPC Data Client.
OPC Foundation Certified for Compliance logo is a trademark of the OPC Foundation and may be used only by written permission of the OPC Foundation. Any unauthorized use of the Certified for Compliance logo is prohibited.