P
REFACE
748332-D Rosemount Analytical June 1997
P-5
NGA Non-Dispersive Infrared Analyzer
P
LATFORM
Any workable collection of the following: Controller Board, Power Supply, Distribution
Assembly, Enclosure and Operator Interface.
P
OWER
S
UPPLY
Any of a variety of components that provides conditioned power to other NGA 2000
components, from the Power Supply Board that plugs into the front of the Backplane
in a stand-alone instrument to several larger ones that can power larger collections of
modules and components.
P
RIMARY
V
ARIABLE
The measured species concentration value from an Analyzer Module.
S
ECONDARY
V
ARIABLE
Data placed on the network by a module regarding current status, e.g., sample flow,
source voltage and other diagnostic information.
S
OFTKEYS
The five function keys located below the front panel display; they assume the function
displayed directly above each on the display, a function dictated by software.
S
YSTEM
Any collection of Analyzer Module(s), Platform(s), I/O Module(s) and Expansion Module(s).