HT22IoT-09
User’s
Manual
30
Caution!
After upgrading the software, set up the factory setting of
the monitor.
Prior to the upgrade, remove the housing of the device and connect the RS-485
conductors to the connector marked "BA"
After starting the eCon program the speed, mode, the monitor IP address and
RS-485 port must be set in the
Communication
tab. Then click the icon.
Connect
.
Then click the link
Upgrade firmware
which will display the window of LUMEL UPDATER
(LU) –
Fig. 23.
Click the
Connect
button
Messages
information window contains info
about the progress of the upgrade process. When the port is properly opened the display
shows:
Port opened
. Switching to the upgrade mode is performed remotely via LU (based
on the settings in eCon or the website - address, mode, speed, COM port) - upgrade
according to the recommended communication parameters, i.e. speed 115200 kb/s, 8N2
mode. If the monitor establishes communication with LUMEL UPDATER the following
message is displayed in LU program
Device found: HT22IoT
and the version of the main
program and the bootloader of the connected device, and the monitor display will show the
message "Device is ready." Then, while pressing the button „
...
” load the file with the new
version of the software in LUMEL UPDATER. When the file is properly opened, LU
program displays information
File opened
. Press the
Send
button. During upgrade, the
percentage update progress is displayed on the bottom row of the display. After
successful upgrade the monitor switches to normal operation, and the information window
shows
Done
and the upgrade duration.
The current software version can also be checked by reading the greeting messages of
the monitor displayed after powering up.
Caution:
Software upgrade is only possible when the monitor is directly
connected to PC (no other
Master
devices connected to RS-485).
Caution:
Turning off the power during the software upgrade may result in
permanent damage to the monitor!
5.8. Measured values archiving
5.8.1. The monitor memory structure
HT22IoT monitors are normally equipped with 4MB of internal memory for storing
the the current data recorded by the monitor. The monitor can record any parameter of the
4 measured values - temperature, relative humidity, dew point and absolute humidity.
Additionally, the user can archive each of 12 defined displayed quantities. Internal
memory of the monitor allows for storage of 534336 records. If you save by default 50% of
