Vaisala Observation Display - Manual (Page 40)

User's Guide ______________________________________________________________________
Application Settings – Data Logging
The application supports several ways to generate ASCII files from the
received data.
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Figure 17 Application Settings – Data Logging
Log groups can be utilized to store received data in ASCII files. A log
group may contain one or more AWS variables. The received variables
automatically saved into log files, under the \log subdirectory. Each
group has its own set of files. The application supports up to five
different log groups.
As the AWS may be transmitting variables at different intervals (for
example, wind message at 3 s intervals and general message at 1 min
interval), it is recommended that each log group only contains variables
that are received in the same message.
To configure log groups, first select Enabled. Next, add variables into a
group by clicking Select in the group table. From the dialog that opens,
select variables.
The log files are named according to the log group identifier and
date/time when the configuration settings were made.
The Interval setting defines how often variables are logged. By default,
every time a new variable is received, it is stored in the file. Choosing
another interval makes the application only store the variables after the
specified time. The interval setting uses 00:00 h as its synchronization
time. For instance, using 6 h interval would store data from the first
messages received after 00:00, 06:00, 12:00, and 18:00. The Span of log
file setting indicates how often a new log file is started.
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