: It uses CAEX (Computer Aided Engineering Exchange) , an XML-based language, to allow different software tools to "talk" to each other without losing data integrity.
: Defines how requirements (like measuring points or control functions) are identified by unique alphanumeric tags and "bubble" symbols. din en 62424 pdf 75
"Representation of process control engineering – Requests in P&I diagrams and data exchange between P&ID tools and PCE-CAE tools" : It uses CAEX (Computer Aided Engineering Exchange)