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5 Measured Value Acquisition
All configured channels are read according to the configured measure interval (1s to 1 hour),
and processed and saved in the configured calculation period. The saving is carried out
internally, in a non-volatile, 64Mbyte ring memory. If the ring memory is full, then the
measured values in the “oldest” sector of the memory are deleted.
Note
The measured values are not saved in maintenance mode.
The processing of the measured values in the calculation period is dependent on the
configuration (e.g. averaging).
The Data logger distinguishes between average and extreme values, and between different
calculation periods. Average values are saved in archives with the designation “AVx” and
extreme values in archives with the designation “EXy”. The placeholders “x” and “y”
represent indexes that can accept values from 1 to 16. For each of these 16 average and
16 extreme value archives are possible. Average values with the same calculation period are
in the same average value archive (this also applies to the extreme values).
Note
In the data output on SD card, average values are saved in directories with the name
“ARCH_AVx” and extreme values in directories with the name “ARCH_EXy”. The
placeholders “x” and “y” can accept values from 1 to 16.
The allocation of channels to an average or extreme value archive can be retrieved with the
. The archive name (e.g. “
Command
AV1” or “EX1”) is stated as a
parameter for the command. If the stated archive exists, the design is issued in the form of
an INI file. The sequence of the sections also defines the sequence in the data output. The
request for the 1st average value archive (“AV1”) is shown below as an example.
