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Hourly log
Section 6: Meter operation
Reference, Installation, and Operations Manual
June 2013
3-9000-743 Rev S
6.6.2
Hourly log
The Mark III meter stores an hourly log record once per hour on the hour. The meter can store up
to 2400 hourly records (100 days’ worth). The user can select whether old, unread records can
be overwritten by new records when the log becomes full via the data point
to 2400 hourly records (100 days’ worth). The user can select whether old, unread records can
be overwritten by new records when the log becomes full via the data point
DoOverwriteUn-
readHoulyLog. This point can be modified using the Daniel MeterLink Tools - Edit/Compare
Configuration
Configuration
for
information on reading records and marking records as read. The data point
IsHourlyLogFull indicates whether or not the hourly log is full and cannot overwrite old, unread
records.
records.
The data points included in the hourly log and the corresponding log action are as shown in the
table below. Data points required by the API Chapter 21 standard are marked with an asterisk
(*). (Refer to
table below. Data points required by the API Chapter 21 standard are marked with an asterisk
(*). (Refer to
for information on the log action types.) For information on a particular
data point, consult Daniel MeterLink online help. (There is a help topic for each data point. From
Daniel MeterLink, click on Help, click on Mark III Registers Reference, select the Index tab,
start typing the data point name until the desired point is highlighted, and then click the
Display
Daniel MeterLink, click on Help, click on Mark III Registers Reference, select the Index tab,
start typing the data point name until the desired point is highlighted, and then click the
Display
button.)
Table 6-19 Hourly log content
Data Point
Log Action
PosVolFlow*
Totalize and Snapshot
NegVolFlow*
Totalize and Snapshot
PosVolBase*
Totalize and Snapshot
NegVolBase*
Totalize and Snapshot
PosEnergy
Totalize
NegEnergy
Totalize
PosMass
Totalize
NegMass
Totalize
FlowTemperature*
Flow-Gated
FlowPressure*
Flow-Gated
AbsFlowPressure*
Flow-Gated
AccumFlowTime*
Totalize
AvgSndVel*
Flow-Gated
CompAvgMeterSndVel
Snapshot (the value is itself an hourly
average)
average)
CompAvgAGA10SndVel
Snapshot (the value is itself an hourly
average)
average)