Emerson NGA2000 Reference Manual page 121

NGA2000 Reference
TLIMB
Direction
Binding
Type
Value range
Units
Description
Usage
See also
TRENDCONT
Direction
Binding
Type
Value range
Units
Description
Usage
See also
TRENDTIME
Direction
Binding
Type
Value range
Units
Description
Usage
See also
Rosemount Analytical Inc. A Division of Emerson Process Management
Bidirectional
None
NDIR: 2-element floating point array, HFID: 4-element floating point array.
User selectable, depending on application
C
Internal temperature measurement limits:
NDIR:
Detector temperature upper limit.
Detector temperature lower limit.
HFID:
Oven temperature upper limit.
Oven temperature lower limit.
Sample temperature upper limit.
Sample temperature lower limit.
Limits on the temperature measurements. If transgressed, the alarm system will issue
warning alarms.
TLIMA
Bidirectional
None
2-element enumerated array.
A list of analyzer variables
None
Lists possible analyzer variables whose 15 minute averages may be stored in the
internal storage buffer.
This variable shares data with TRENDVAR. TRENDVAR contains enumerations
whose phrases describe the variables whose names are referred to by the
enumerations in TRENDCONT. In the menu system, the user selects an element in
TRENDVAR and the system tells the software in the analyzer to store the data in the
variable pointed to by TRENCONT.
TRENDVAR
Bidirectional
None
Integer
0-240
Hours
Length of time over which TRENDCONT and TRENDVAR are stored.
Not used. If implemented, will control the length of time over which the internal storage
will run. In version 2.2 or earlier, this is fixed at 24 hours.
TRENDVAR
Reference Manual
748384-C
September 2003
Analyzer Variables 2-59