EDDL is a text-based language for describing the digital communication characteristics of intelligent devices and equipment parameters in an operating system (OS) and human machine interface (HMI) neutral environment. EDDL assists engineers during distributed control system (DCS) configuration, technicians during commissioning and maintenance using device configuration software for laptop or handheld field communicators, and operators working at DCS consoles or using intelligent device management software as part of asset management solutions.