11
LoRaWAN® radio interface
Operating frequency
868 MHz
Max. transmission power
approx. 14 dBm, 25 mW
Duration of transmission telegrams
up to 1.5 s (depending on spreading factor)
Transmission interval
depending on the respective meter configuration, e.g. every day;
optional: monthly or 8 telegrams with three hourly values each
Data transmission procedure
LoRaWAN® class A (bi-directional communication)
Encoding of radio protocols
yes
Error detection
CRC
Battery status monitoring
yes
CE conformity
according to directive 2014/53/EU (RED)
Activation of the radio interface
•
automatically after the meter has been filled with water;
•
via the NFC interface using the related ZENNER NFC Coupler,
MinoConnectUSB and MSS configuration software
•
via the NFC interface using the Android app ZENNER Device Manager Basic
Protocol content
Interval
Equipment number
once when logging into the LoRaWAN® network
Device-specific information
(firmware version, LoRaWAN® version, device type)
six-monthly
Due date value and date [01.01.]
every year on due date
Changes of status
(manipulation, battery warning, ...)
event-driven
Protocol content
Interval
Monthly value (previous month) [litres], status
information, actual date and time
monthly (beginning)
Monthly value (previous month) [litres], mid-month value
[litres], actual date and time
monthly (middle)
Protocol content
Interval
Daily values (previous day) [litres]
daily
Status information, actual date and time
monthly
Technical data
LoRaWAN® radio telegram
Scenario 201 (monthly)
Scenario 202 (daily)
Other scenarios on request.
