Emerson Daniel 3410 Series Operation Manual page 69

Operations manual
DAN-20057316
Table 5-9: GC-reported gas composition data points
GC reported composition data points
N2GC
CO2GC
H2GC
COGC
MethaneGC
EthaneGC
PropaneGC
IsoButaneGC
NButaneGC
IsoPentaneGC
NPentaneGC
NHexaneGC
NHeptaneGC
NOctaneGC
NNonaneGC
NDecaneGC
H2SGC
HeliumGC
WaterGC
OxygenGC
ArgonGC
C6PlusGC (C6PlusGCComponentID)
NeoPentaneGC
The validity of the GC-read gas property data is readable via the
AreGasPropertiesInvalidGC data point where TRUE(1) indicates invalid data and FALSE(0)
indicates valid data. Refer to
validity is determined.
In-Use gas property data
The "In-Use" gas property data is the actual data used by the meter for calculations.
The GasPropertiesSrcSel data point is used to select the gas property data source as either
Fixed (0) or Live - GC (1). If the data source is Live - GC and the GC-read data is invalid, then
the GasPropertiesSrcSelGCAlarm data point is used to select the data source as either Last
good value (0) or Fixed value (1). When Last good value is selected, the "In-Use" gas
property data is not updated with the invalid GC-read gas property data. When Fixed value
is used, the "In-Use" gas property data is updated with the fixed gas property data.
Model 3418 GUSM
GC data validity for further information on how the data
Configurations
January 2019
69