Emerson Daniel 3410 Series Operation Manual page 67

Operations manual
DAN-20057316
• GC stream number - Enter the stream number for the gas composition the Daniel Gas
Ultrasonic meter will read.
GC heating value units - Select the units for which the heating value is configured in the
•
GC.
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GC heating value type - Select the type of heating value the GC will return.
•
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• Gas composition on GC alarm - Select which gas composition the Daniel Gas Ultrasonic
meter will use if the GC goes into alarm.
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5.8.1 Gas properties
Gas property data (composition and heating value) are used by the meter for AGA8
calculations (for converting to base or standard volumes and for mass calculation), for
energy calculation, and for optional AGA10 calculations (sound velocity calculation and
comparison).
The data are also used by JuniorSonic
calculated by the meter (rather than fixed or a default value). See
registers polled by the meter. The gas property data can either be fixed (specified via data
points) or optionally read from a Daniel
property data from a GC requires a valid GC feature key (See
Field Setup Wizard in Daniel MeterLink
Fixed gas property data
If the data is fixed, then the heating value and its reference temperature are specified via
the MeasVolGrossHeatingVal and RefTemperatureHV data points, respectively; the gas
components are specified via the data points listed in
data is always assumed to be valid.
NOTICE
If the gas composition is specified from within Daniel MeterLink, the data point's unit is
mole percentage, not mole fraction (as the data point name would imply).
Model 3418 GUSM
3
Btu/ft
3
kJ/m
3
kJ/dm
3
MJ/m
3
kCal/m
3
kWh/m
Btu-Dry
Btu-Saturated
Btu-Actual
Fixed - if selected, the meter will start using the fixed gas composition stored in the
meter.
Last Good Value - if selected, the meter will use the last gas composition collected
from the GC before the GC started to report alarms.
™
meters when the profile correction factor is to be
™
Gas Chromatograph (GC). Reading the gas
GC interface
™
to configure these parameters.
Table 5-8
Configurations
January 2019
Table 5-12 for GC
key). Use the
below. Fixed gas property
67