Modbus SCADAPack History Record Format

Overview

History records can be retrieved from the RTU and stored in various formats. The sections below describe the field names used for the various history record types.

Hourly Record Format

Field NameField Type

Timestamp

DateTime

FlowingTime

Float

StaticPressure

Float

Temperature

Float

Extension

Float

DifferentialPressure or Pulses

Float

Volume

Float

Energy

Float

Mass

Float

Density

Float

Flexible Hourly Record Format

*Flow Computer Version 6.70 and later

*Only one timestamp is used when the record is stored based upon the Leading Timestamp setting on the Archive Collection tab.

Field NameField Type
End TimestampDateTime
Flow SecondsFloat
VolumeFloat
MassFloat
EnergyFloat

Average flow extension (AGA-3 (1990 and 2013) only)

Average flow product (AGA-3 only)

Uncorrected volume (AGA-7 only)

Integral value (AGA-11 only) 

Float
TemperatureFloat
PressureFloat

Average differential pressure (AGA-3 or V-Cone) or

Average mass flow (AGA-11 mass flow only) or

Number of pulses(AGA-7 or AGA-11 pulse)

Float
DensityFloat
Start TimestampDateTime

Gas Quality Record Format

*Only one timestamp is used when the record is stored based upon the Leading Timestamp setting on the Archive Collection tab.

Field NameField Type

Start Timestamp

DateTime
End TimestampDateTime
MethaneFloat
NitrogenFloat

CO2

Float
EthaneFloat
PropaneFloat
H2OFloat
H2SFloat
HydrogenFloat
COFloat
OxygenFloat
iButaneFloat
nButaneFloat
iPentaneFloat
nPentaneFloat
HexaneFloat
HeptaneFloat
OctaneFloat
NonaneFloat
DecaneFloat
HeliumFloat
ArgonFloat
Specific GravityFloat
BTUFloat
Hexane PlusFloat

Liquid Run Record Format

*Only one timestamp is used when the record is stored based upon the Leading Timestamp setting on the Archive Collection tab.

Field NameField Type
End TimestampDateTime
Flow SecondsFloat
Net Volume OilFloat
Net Volume WaterFloat
Indicated VolumeFloat
Gross Std VolumeFloat
TemperatureFloat
Static PressureFloat
DensityFloat
S&W FactorFloat
Start TimestampDateTime
Meter FactorFloat
K FactorFloat
Meter Input TypeCoded
CTL OilFloat
CTL WaterFloat
CPLFloat

Water Run Record Format

*Only one timestamp is used when the record is stored based upon the Leading Timestamp setting on the Archive Collection tab.

Field NameField Type
End TimestampDateTime
Flow SecondsFloat
Net Volume WaterFloat
Indicated VolumeFloat
TemperatureFloat
Start TimestampDateTime
Meter FactorFloat
K FactorFloat
Meter Input TypeCoded
CTL WaterFloat

Daily Record Format

Daily records are stored using the same format as hourly records. See Hourly Record Formats above.

Alarm Record Format

Field NameField Type

Timestamp

DateTime

AlarmSource

Integer (I4)

SequenceNumber 

Integer (I4)

UserNumber 

Integer (I4)

JulianDate 

Integer (I4)

AlarmValue

Float

OldValue

Float

Event Record Format

Field NameField Type

Timestamp

DateTime

EventSource

Integer (I4)

SequenceNumber 

Integer (I4)

UserNumber 

Integer (I4)

JulianDate 

Integer (I4)

NewValue

Float

OldValue

Float

DLog Record Format

Data logger records are user configurable and, therefore, do not have a fixed record format. All DLog records retrieved from the RTU are stored with fields named FIELD1, FIELD2, and FIELDn.

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