ND30-09D 38 User's manual
9 MEASURING VALUES ARCHIVING
9.1 INTERNAL MEMORY
The ND30 meters are equipped with 4MB of internal memory and 8GB
memory for storing the recorded data. 4MB internal memory allows to
register 40,960 records. The memory is a ring buffer type one.
9.2 COPYING ARCHIVE
If the 4MB internal memory is full at 70% or forced at any time: in Archiving
mode, select Actions and set "Copy the archive to a CSV file" parameter to
"Yes". The recorded data will be copied to the files archive. To start the
procedure of copying archive can also be done via the RS485 interface
(register 4125) or by simultaneously pressing the button and .
Example: files archive with archiving period of 5 seconds allows you to
register data for 2 years. If the files archive is full at 70% - archive used in %
will become orange (see: Status 3 Register – address 7561).
When the files archive is full (less then 14 days at 1 sec. interval to
completely use a the files archive space) the color will change to flashing
red.
The ND30 meter creates the directories and the files the files archive while
the internal memory is being copied. An example of the directory structure is
shown in Figure 26.
Fig.26. Directory structure in the files archive
Max
Min
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