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6.5 Data Output via Network (only Logger with Ethernet Module)
If the DLU is in a network and the Ethernet settings are correct, data can be fetched from the
data logger DLU via the network. Configuration of the interface is described in chapter 4.5.1
There are the following options for reading out data from the logger via ethernet:
1. Telnet
2. SFTP (Secure File Transfer Protocol)
3. WEB (see chapter 9)
6.5.1 Collect Data via Telnet
Telnet is a character-oriented protocol via TCP (Transmission Control Protocol) with which all
commands from Chapter 7.2 can be used. The data descriptions in Chapters 6.2, 6.3 and 6.4
also apply to Telnet.
The
DS command
is used to read out data and the
DS_ESC command
is used to cancel
the reading process. At least the name of the archive must follow the
DS command
, e.g.
AV1 to be able to read out all data of the archive. Optionally, a start and stop date / time in
the form YYMMDTHHNNSS with YY: year, MM: month, DD: day, HH: hour, NN: minute, SS:
second can follow in order to read out only part of the archive.
The three parameters archive name, start time and stop time must be separated by spaces
e.g.
00DS AV1 200101000000 200102000000
to read out the values from 01/01/2020 from
0:00:00 to 02/01/2020 0:00:00.
6.5.2 Collect Data via SFTP
FTP is a file-oriented format used e.g. is supported by the
WinSCP
program. Start the
WinSCP
program and log in to the DLU as described in section
4.5.3
. After a successful
login, the start folder of the DLU user opens. To download saved measured values, you have
to switch to the log directory.
Both the configuration files and the measured value files are stored as text files and can be
opened and read with
WinSCP
with a double click.
The contents of the
log
folder and its subfolders can be copied (downloaded) to any
destination on the computer. This can be done with
drag & drop
or with the standard
Windows commands copy and paste. To do this, mark the files and / or folders in
WinSCP
and then e.g. in a Windows Explorer window.
When the work is done, the
winSCP
program only needs to be closed.
Note
Writing and deleting in the log folder is blocked for the user.
