The OPC Foundation announced that Control-See’s UCME-OPC version 2014 build 204 is now certified! Independent Test Lab OPC Certification is the process of ensuring that applications meet the standards specified by the OPC Foundation. OPC Certification requires extensive testing to ensure true interoperability. OPC Certification means multi-vendor system interoperability is guaranteed. If your OPC products are not certified, you need to ask your vendor what sort of guarantees they offer.
See more at the OPC Foundation web site