Function Blocks
AGA8DL Function Block
20 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
Status
number
Block type Severity Description
43 AGA 8 - DETAIL Warning FLOWING TEMPERATURE (TF) < 17 OR > 143 DEG F
MOLE FRACTION FOR METHANE < 0.45 OR > 1.0
FOR NITROGEN < 0.0 OR > 0.5
FOR CARBON DIOXIDE < 0.0 OR > 0.3
FOR ETHANE < 0.0 OR > 0.1
FOR PROPANE < 0.0 OR > 0.04
FOR WATER < 0.0 OR > 0.0005
FOR H2S < 0.0 OR > 0.0002
FOR HYDROGEN < 0.0 OR > 0.1
FOR CARBON MONOXIDE < 0.0 OR > 0.03
FOR OXYGEN < 0.0 OR > 0.0
FOR BUTANES < 0.0 OR > 0.01
FOR PENTANES < 0.0 OR > 0.003
FOR HEXANES + < 0.0 OR > 0.002
FOR HELIUM < 0.0 OR > 0.002
46 AGA 8 - DETAIL Warning
FOR ARGON < 0.0 OR > 0.0
49 AGA 8 - DETAIL Warning SUM OF MOLE FRACTIONS < 0.9999 OR > 1.0001
52 AGA 3 - ORIFICE Error FLOWING PRESSURE WAS <= 0.0 OR > 40000. PSIA
53 AGA 3 - ORIFICE Error FLOWING TEMPERATURE < -200. OR > 760. DEG F
55 AGA 3 - ORIFICE Error ORIFICE DIAMETER WAS >= 100.0 INCHES
56 AGA 3 - ORIFICE Error PIPE DIAMETER WAS >= 100.0 INCHES
57 AGA 3 - ORIFICE Error FLOWING OR STANDARD DENSITY WAS <= 0.0
LBM/FT^3
58 AGA 3 - ORIFICE Error DIFFERENTIAL PRESSURE WAS <= 0.0 INCHES H2O
65 AGA 3 – ORIFICE Error SUPERCOMPRESSIBILITY FACTOR WAS <= 0.0
66 AGA 3 – ORIFICE Error RELATIVE DENSITY AT STANDARD CONDITIONS WAS <
0.07 OR > 1.52
68 AGA 3 – ORIFICE Error COMPRESSIBILITY FACTOR AT STANDARD
CONDITIONS <= 0.0
69 AGA 3 – ORIFICE Error BETA RATIO (DO/DM) <= 0.0 OR => 1.0
75 AGA 3 – ORIFICE Warning ORIFICE DIAMETER WAS < = 0.45 INCHES
76 AGA 3 – ORIFICE Warning PIPE DIAMETER WAS <= 2.0 INCHES
77 GENERAL
CONFIG
Error ERROR INVALID COMPANION BLOCK
INTERCONNECTION
78 GENERAL
CONFIG
Error METER/COMPRESSIBLITY BLOCK UNITS ARE
INCONSISTENT
79 AGA 3 - ORIFICE Warning BETA RATIO (DO/DM) WAS < 0.1 OR > 0.75
99 GENERAL
OPERATION
N/A Block is disabled – process value outputs are set to 0 and
error/warning pins are turned off.
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