DTU2xx Data Logger Series
User Guide. r. 2.1 | 2021-11-10
Tel.: +420 538 890 720
16
e-mail: [email protected]
When turning on and rebooting the data logger
.
When you press the SB button
– data logger setup/connection to the server button.
Configuration mode
The device comes with pre-configured settings and does not require additional configuration. If necessary,
you can change the operating parameters remotely, via the web interface or by locally connecting the
DTU to a PC, using the
DTU Configuration Tool
software.
LED Indication
DTU2xx data logger has three LED indicators:
ST1
– external power indicator
ST2, ST3
– indicators of connection with the server and
data transmission.
LED indicators modes are presented in table below:
Table. 2. DTU2xx LED indication modes.
Function
Condition
Description
External power
connection
ST1
reading is ON
External power supply 12V or 230V connected
ST1
reading is OFF
External power is not connected
Switching the device to
configuration/connec-
tion with the server
mode by pressing the SB
button
ST2
and
ST3
flash 3 times
at the same time
The device has entered the USB configuration/
server connection mode
Server connection and
data transfer mode
ST3
flashes 1 time
every 3 seconds
The device has registered
in the GSM/NB-IoT network
ST2
flashes 1 time
every 3 seconds
Initializing the connection to the server
ST2
and
ST3
flash
simultaneously
Connection to the server via TCP (UDP)
established/data transmission is in progress
ST2
and
ST3
flash
alternately
for 3 seconds
All data has been transferred to this communi-
cation session.
The indication is triggered at the end of the
communication session if the connection to the
server was accessed by pressing the SB button.
Fig. 12. LED indicators.
