Function Blocks 
AGA8DL Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  19 
2/07     
Status 
number 
Block type  Severity  Description 
14  AGA 8 - GROSS  Error  HEATING VALUE (HV) < 477.0 OR > 1211.0 BTU/FT^3 
15  AGA 8 - GROSS  Error  GAS RELATIVE DENSITY (GRGR) < 0.55 OR > 0.870 
MOLE FRACTION FOR N2 < 0.0 OR > 0.50 
OR FOR CO2 < 0.0 OR > 0.30 
OR FOR H2 < 0.0 OR > 0.10 
16  AGA 8 - GROSS  Error 
OR FOR CO < 0.0 OR > 0.03 
17  AGA 8 - GROSS  Error  REFERENCE TEMPERATURE < 32.0 OR > 77.O DEG F 
18  AGA 8 - GROSS  Error  REFERENCE PRESSURE < 13.0 OR > 16.0 PSIA 
22  AGA 8 - GROSS  Warning  FLOWING PRESSURE (PF) <=0.0 OR > 1200.0 PSIA 
23  AGA 8 - GROSS  Warning  FLOWING TEMPERATURE (TF) < 32.0 OR > 130.0 DEG F 
24   AGA 8 - GROSS  Warning  HEATING VALUE (HV) < 805.0 OR > 1208.0 BTU/FT^3 
25  AGA 8 - GROSS  Warning  GAS RELATIVE DENSITY (GRGR) < 0.55 OR > 0.800 
MOLE FRACTION FOR N2 < 0.0 OR > 0.20 
OR FOR CO2 < 0.0 OR > 0.20 
OR FOR H2 < 0.0 OR > 0.0 
26  AGA 8 - GROSS  Warning 
OR FOR CO < 0.0 OR > 0.0 
32  AGA 8 - DETAIL  Error  FLOWING PRESSURE (PF) < 0.0 OR > 40,000. PSIA 
33  AGA 8 - DETAIL  Error  FLOWING TEMPERATURE (TF) < -200 OR > 760 DEG F 
MOLE FRACTION FOR METHANE < 0.0 OR > 1.0 
FOR NITROGEN < 0.0 OR > 1.0 
FOR CARBON DIOXIDE < 0.0 OR > 1.0 
FOR ETHANE < 0.0 OR > 1.0 
FOR PROPANE < 0.0 OR > 0.12 
FOR WATER < 0.0 OR > 0.10 
FOR H2S < 0.0 OR > 1.0 
FOR HYDROGEN < 0.0 OR > 1.0 
FOR CARBON MONOXIDE < 0.0 OR > 0.03 
FOR OXYGEN < 0.0 OR > 0.21 
FOR BUTANES < 0.0 OR > 0.06 
FOR PENTANES < 0.0 OR > 0.04 
FOR HEXANES + < 0.0 OR > 0.10 
FOR HELIUM < 0.0 OR > 0.03 
36  AGA 8 - DETAIL  Error 
FOR ARGON < 0.0 OR > 1.0 
37  AGA 8 - DETAIL  Error  REFERENCE TEMPERATURE < 32.0 OR > 77.0 DEG F 
38  AGA 8 - DETAIL  Error  REFERENCE PRESSURE < 13.0 OR > 16.0 PSIA 
39  AGA 8 - DETAIL  Error  SUM OF MOLE FRACTIONS < 0.98 OR > 1.020 
42  AGA 8 - DETAIL  Warning  FLOWING PRESSURE (PF) < 0.0 OR > 1750. PSIA