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CHAPTER 6: SETTINGS AND LOGS
6.1.3 DATE AND TIME SETTING
Since IoT Web receives NTP broadcasts and does active NTP requests, changing the date and time setting is not
needed when your IoT Web is connected to an active network or the internet. (See Chapter 11: Tips and Tricks for more
information.)
Network connecivity and IP address information is also displayed here. Use the HDMI/USB console to amend settings, if
required.
The software provided with IoT Web has four main programs, and the release version is displayed accordingly. You can
update the software online through our Update Servers, since binary files are not provided for upgrading purposes. If
desired, you can initiate the update process to enable temporary Internet access for your IoT Web. The update process
uses TCP ports 21 and 3627.
AlertWerks™ IoT Web uses an SQL database. By default, the local database on the unit itself is used. You can use the
Change, Backup, and Restore commands.
Change amends the system to use a different database, such as a database in your IT department. Backup is a backup
method where you simply get a whole SQLDUMP. That may also be useable for swapping the database from local to a
different location.
6.1.4 SMTP FOR SENDING OUT EMAILS
You can enter IP or DNS, Port, User, and Password of your encrypted and secured SMTP connection. Unauthorized plain
SMTP on port 25 is not supported.
6.1.5 AGING VALUES
For aging values for the log and the historical sensor values, the aging is entered in minutes. One day has 1440 minutes.
There are system-wide options. These options are configureable:
6.1.6 AUTOMATIC REJOIN PROCESS
Due to LoRaWAN
standards, every new join request of a physical sensor needs to lead to a new Device Address. Since
®
IoT Web stores historical values following that DeviceAddress, a new datapoint may occur after a new join request/
process.
Some sensors are chargeable, and they often reset during the charging process. This causes them to be considered a
new sensor with a new join request. The same applies to sensors that need battery swapping, or solar-powered sensors
without enough recent sunshine for charging. Some sensors also reset due to a firmware bug.
Enabling the automatic rejoin process option bends LoRaWAN specifications. While some LoRaWAN protocol versions
know a rejoin process, version 1.0.3, which is being used here, does not. In this case, a previously known sensor just gets
in place with the old DeviceAddress it had previously.
6.1.7 SAVE LOG ENTRIES ERROR ONLY
Since, by default, every successful virtual sensor request is recorded in the logs, enabling this option provides information
that could be useful for later device troubleshooting.
6.1.8 DO SQL OPTIMIZE TABLE AT MIDNIGHT
SQL Optimize for a SQL Database is similar to hard drive defregmentation for a computer. Enabling that option will
generate an according SQL Command to Optimize all tables at midnight.
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