Protocols & Formats
OPC-DA
what is opc da? opc da (open platform communications data archive) is one of the earliest communication standards in automation that allows industrial devices and software like plcs, hmis, and scada systems to exchange real time data it is based on microsoft dcom technology and therefore bound to the windows operating system in simple terms opc da is a common language that lets your machines and software share live data with each other, as long as they are running on windows why use opc da? mature technology opc da has been around since 1996 widely adopted used in many factories and industrial systems, especially those with legacy equipment simple integration makes it easier to connect older devices and software on windows more information opc da reference opc da status codes configuring an opc da collector docid\ a9y pccwvftuj ugoriqj