Instruction manual

Instruction Manual
760006-A
September 2001
Rosemount Analytical Inc. A Division of Emerson Process Management Appendices 11-29
Model NGA 2000 Platform
NGA 2000 Variable Library
The complete NGA 2000 Reference Manual
that identifies all variable tag names by de-
scription, units and variable type is provided
as a separate document in the PC Interface
package. Use these variables in the linked
Excel spreadsheets to create application-
specific screens and functions.
Seven types of variables can be used in the
Excel spreadsheets. They are as follows:
TYPE DEFINITION
Floating Point
Accurate number value with decimal point and significant figures. All
primary and secondary variable are this type.
Floating Point Array
Up to 7 accurate numbers with decimal point and significant figures
packaged in an array and separated by commas.
Integer Integer value (0 to 65,535).
Integer Array Up to 10 integers packaged in an array and separated by commas.
Enumerated
Integer value which equates to a pre-determined phrase within the NGS
phraseology. Enable/disable messages and certain status variables are
this type.
Enumerated Array
Up to 10 enumerated variables packaged in an array and separated by
commas.
String
Alphanumeric value that contains up to 31 characters. Manufacturing
dates, serial numbers and service information are this type.