Vaisala Hydromet Data Collection Platform - Manual (Page 96)

User’s Guide ______________________________________________________________________
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default settings, you have to select the log item in question from the
Select Variables frame in order to do this.
Selecting Log Group Options
You can select different log group options in the frame below the
Remove button.
The frame is divided into two sections. The Storage section, which can
be opened by clicking the Storage button on the right, contains different
data saving issues. In the Report section, which can be opened by
clicking the Report button, you can form reports of the log group data.
Storing Log Group Data
The QML logger has approximately 3.3 MB of internal Flash memory
that can be used for logging. If you do not retrieve the data very often
and feel that the capacity of the internal memory is not sufficient, you
can also use external memory cards.
Table 11 Description of Logging Possibilities
Log Item Option Logged Items Logging Occurs
Save this item every
time its value changes Only the selected
item(s) is (are) saved. When the selected
item(s) is (are) updated.
Save this item every
time the log group is
saved Every item in the log
group is saved. At an interval set by a
timer (default).
Use this item as a
trigger for saving log
group Every item (except the
selected one(s)) in the
log group is (are) saved. When the selected item
is updated.
Autonomous data
source Check this option only if
the item to be logged is
shell_log under
AdcShell. When user input is
processed.