Panametrics flare.IQ Generation 2, Operation And Maintenance Manual

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Table 11: Modbus address list for flare.IQ Gen 1 legacy customers (analog inputs for flare control)
Register tag name
Register
address
Number of
registers
Description
Scaling
factor
PAIR_TC 62 1 Assist air pressure, iwg *100
QN2_TC 70 1 Volumetric flow of nitrogen, scfh *10
MW_LOW_CF 81 1 Low molecular weight correction factor *100
MW_NORM_CF 82 1 Normal molecular weight correction factor *100
MW_HIGH_CF 83 1 High molecular weight correction factor *100
GC_UPDATE_RATE 90 1 Expected time between GC/MS updates, seconds *1
MW_LOW 110 1 Low molecular weight to apply correction factor *100
MW_NORM 111 1 Normal molecular weight to apply correction factor *100
MW_HIGH 112 1 High molecular weight to apply correction factor *100
QFUEL_MIN 130 1 Minimum fuel flow parameter, SCFH *1
QFUEL_MAX 131 1 Maximum fuel flow parameter, SCFH /10
FLARE_DIAM 140 1 Flare tip diameter, inches *100
FLARE_METER_DIAM 141 1 Flare meter diameter, inches *100
QSTEAM_MIN 150 1 Minimum steam flow parameter, PPH *1
QSTEAM_MAX 151 1 Maximum steam flow parameter, PPH /10
QAIR_LOW 160 1 Low air flow, CFM /10
QAIR_MID 161 1 Mid air flow, CFM /10
QAIR_HIGH 162 1 High air flow, CFM /10
QAIR_MIN 170 1 Minimum air flow parameter, CFM *1
QAIR_MAX 171 1 Maximum air flow parameter, CFM /100
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