Historical
IEC 62264-2 Ed. 1.0 b:2004
Enterprise-control system integration - Part 2: Object model attributes
"Specifies generic interface content between manufacturing control functions and other enterprise functions. The interfaces considered are the interfaces between Levels 3 and 4 of the hierarchical model defined in IEC 62264-1. The goal is to reduce the risk, cost, and errors associated with implementing these interfaces."
International Electrotechnical Commission [iec]