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Table 28 Aga Parameters; Table 29 Aga Error Codes - Honeywell 900 User Manual

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Process Displays
AGA8DL & AGA8GS
Parameter
TF
PF
HW
RHOTP
RHOB
RHOS
FPVS
GRS
HV
ERR
WARN
STATUS
Status
Block type
number
0
ALL
1
AGA 8 - DETAIL
2
AGA 8 - DETAIL
3
AGA 8 - DETAIL
4
AGA 8 - DETAIL
5
AGA 8 - GROSS
6
AGA 8 - GROSS
7
AGA 8 - GROSS
8
AGA 8 - GROSS
9
AGA 8 - GROSS
12
AGA 8 - GROSS
13
AGA 8 - GROSS
92

Table 28 AGA Parameters

Temperature at flow in units selected by the UNITS configuration parameter.
Pressure at flow in units selected by the UNITS configuration parameter.
Differential pressure in the units selected by the UNITS configuration
parameter. (Only required if the meter block is AGA3.)
Density at flow temperature and pressure conditions in units selected by the
UNITS configuration parameter.
Density at base conditions in units selected by the UNITS configuration
parameter.
Density at standard conditions in units selected by the UNITS configuration
parameter.
Super-compressibility factor
Real Gas relative density at 60 deg F/14.73 PSI
(M
*Z
)/(M
*Z
)
gas
air
air
gas
where Z
= .9995844 and M
air
Heating Value in units selected by the UNITS configuration parameter.
On when calculation status is indicating an error condition. See Status.
On when calculation status is indicating a warning condition. See Status.
Use the Status number to cross-reference the error or warning. See Table 29
AGA Error Codes.

Table 29 AGA Error Codes

Severity
Description
Good
OK – NO ERRORS OR WARNINGS ENCOUNTERED
Error
PRESSURE HAS A NEGATIVE DERIVATIVE
Warning
DENSITY IN BRAKET EXCEEDS MAXIMUM DEFAULT
PROCEDURE USED
Error
MAXIMUM ITERATIONS EXCEEDED IN BRAKET
Error
MAXIMUM ITERATIONS IN DDETAIL EXCEEDED
Error
THE ROOT WAS NOT BOUNDED IN DGROSS
Error
NO CONVERGENCE IN DGROSS
Error
VIRGS SQUARE ROOT NEGATIVE
Error
COMBINED VALUES OF GRGR, X[2] AND HV NOT
CONSISTENT
Error
INVALID TERM IN VIRGS
Error
FLOWING PRESSURE (PF) <= 0.0 PR > 1740.0 PSIA
Error
FLOWING TEMPERATURE (TF) < 14.0 OR > 149.0 DEG F
900 Control Station User Guide
Description
= 28.96256
air
Revision 9
May 2014

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