Appendix C Modbus Register Definitions
/* Temperature Units */
DegC = 32, /* Degrees Celcius */ DegF = 33, /* Degrees Fahrenheit */ DegR = 34, /* Degrees Rankine */ DegK = 35, /* Kelvin */
/* Pressure Units */
InH2OAt68F = 1, /* inches of water at 68 degF */ InHgAt0C = 2, /* inches of mercury at 0 degC */ FtH2OAt68F = 3, /* feet of water at 68 degF */ MMH2OAt68F = 4, /* millimeters of water at 68 degF */ MMHgAt0C = 5, /* millimeters of mercury at 0 degF */ PSI = 6, /* pounds per square inch */
BAR = 7, /* bars */ MilliBAR = 8, /* millibars */
GMPerSqCm = 9, /* grams per square centimeter */ KGPerSqCm = 10 /* kilograms per square centimeter */ Pascals = 11, /* pascals */
KiloPascals = 12, /* kilopascals */ Torr = 13, /* torricellis */ Atmospheres = 14, /* atmospheres */
InH2OAt60F = 145, /* inches of water at 60 degF */ CmH2OAt4C = 170, /* centimeters of water at 4 degC */ MetH2OAt4C = 171, /* meters of water at 4 degC */ CmHgAt0C = 172, /* centimeters of mercury at 0 degC */ PSF = 173, /* pounds per square foot */ HectoPascals = 174, /* hectopascals */
PSIA = 175, /* pounds per square inch absolute */ KGPerSqMeter = 176, /* kilograms per square meter */ FtH2OAt4C = 177, /* feet of water at 4 degC */ FtH2OAt60F = 178, /* feet of water at 60 degF */ MetHgAt0C = 179, /* meters of mercury at 0 degC */ MegaPascals = 237, /* megapascals */ InH2OAt4C = 238, /* inches of water at 4 degC */ MMH2OAt4C = 239, /* millimeters of water at 4 degC */
/* Volumetric Flow Units */
CuFtPerMin = 15, /* cubic feet per minute */ GalPerMin = 16, /* gallons per minute */ LiterPerMin = 17, /* liters per minute */ ImpGalPerMin = 18, /* imperial gallons per minute */ CuMeterPerHr = 19, /* cubic meter per hour */ GalPerSec = 22, /* gallons per second */ MillionGalPerDay = 23, /* million gallons per day */ LiterPerSec = 24, /* liters per second */ MillionLiterPerDay = 25,/* million liters per day */ CuFeetPerSec = 26, /* cubic feet per second */ CuFeetPerDay = 27, /* cubic feet per day */ CuMeterPerSec = 28, /* cubic meters per second */ CuMeterPerDay = 29, /* cubic meters per day */ ImpGalPerHr = 30, /* imperial gallons per hour */ ImpGalPerDay = 31, /* imperial gallons per day */
NormCuMeterPerHr = 121,/* normal cubic meter per hour - MKS System */ NormLiterPerHr = 122, /* normal liter per hour - MKS System */ StdCuFtPerMin = 123, /* standard cubic feet per minute - US System */ CuFeetPerHour = 130, /* cubic feet per hour */
CuMeterPerMin = 131, /* cubic meters per minute */
BarrelPerSec = 132, /* barrels per second - 1 Barrel = 42 US gallons */ BarrelPerMin = 133, /* barrels per minute */
BarrelPerHr = 134, /* barrels per hour */ BarrelPerDay = 135, /* barrels per day */ GalPerHr = 136, /* gallons per hour */ ImpGalPerSec = 137, /* imperial gallons per hour */ LiterPerHr = 138, /* liters per hour */
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