Instruction Manual
748275-F
September 2003
P-6 Preface Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 I/O Modules
Secondary Variable
Data placed on the network by a module regarding current status, e.g., sample flow, source voltage and
other diagnostic information.
Softkeys
The five function softkeys located below the front panel display; they assume the function displayed directly
above each on the display, a function dictated by software.
System
Any collection of Analyzer Module(s), Platform(s), I/O Module(s) and Expansion Module(s).