What is a Device Description?
A Device Description or DD is an electronic data file prepared
in accordance with Device Description Language specifications
that describes specific features and functions of a device
including details of menus and graphic display features to
be used by host applications (including handheld devices)
to access all parameters and data in the corresponding device.
The HART Communication Foundation
manages a library of Manufacturer Device Descriptions. DD
Library updates are released every quarter. DD Library subscription
services are open to all HART Communication Foundation members.