Panametrics flare.IQ Generation 2, Руководство по эксплуатации и обслуживанию

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Table 12: Modbus address list for flare.IQ Gen 1 legacy customers (analog outputs for flare control)
Register tag name
Register
address
Number of
registers
Description
Scaling
factor
QFUEL_DEMAND 0 1 Fuel gas demand, SCFH *10
QSTEAM_DEMAND 1 1 Steam demand (PPH) *10
NHVCZ_ACTUAL 2 1 Net heating value in the combustion zone
calculated, BTU/SCF
1
VTIP_ACTUAL 3 1 Flare tip velocity calculated, ft/s /100
VTIP_MAX 4 1 Flare tip velocity maximum, ft/s /100
MW_CALC 5 1 Molecular weight calculated, g/mol /100
NHVCZ_MEASURED 6 1 Net heating value in the combustion zone
derived from GC/calorimeter, BTU/SCF
1
NHVCZ_CURRENT 7 1 Net heating value in the combustion zone
derived from mol weight, BTU/SCF
1
NHVCZ_MEASURED_TC 8 1 Net heating value in the combustion zone at
current fuel and steam, BTU/SCF
1
NHVCZ_UNCORRECTED_TC 9 1 NHVcz uncorrected for H2 at current fuel and
steam, BTU/SCF
1
NHVCZ_UNCORRECTED_ACTUAL 10 1 NHVcz uncorrected for H2 at demand fuel and
steam, BTU/SCF
1
NHVCZDIL_ACTUAL 11 1 NHV dilution parameter calculated
(Air Assist only), BTU/SCF
/10
NHVCZDIL_MEASURED 12 1 NHV dilution parameter from GC/calorimeter
(air assist only), BTU/SCF
/10
NHVCZDIL_MEASURED_TC 13 1 NHV dilution from GC/calorimeter at
current conditions (air assist only), BTU/SCF
/10
CF_ASSIST 14 1 Air/steam correction factor as a function of
mol weight, unitless
1
QAIR_DEMAND 15 1 Air demand (CFM) *10
SPARE_AR_3 16 1 Spare
SPARE_AR_4 17 1 Spare
SPARE_AR_5 18 1 Spare
SPARE_AR_6 19 1 Spare
SPARE_AR_7 20 1 Spare
SPARE_AR_8 21 1 Spare
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