10
Technical data 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
Scenario Nr.
Protocol content
Interval
Scenario 201 (monthly)
Monthly value (previous month) [liter], status informa-
tion, actual date and time
monthly (beginning)
Monthly value (previous month) [liter], mid-month
value, actual date and time
monthly (middle)
Due date value and date [01.01.]
every year on due date
Scenario 204 (hourly)
Daily values (previous day) [liter]
daily
Status information, actual date and time
monthly
Due date value and date [01.01.]
every year on due date
Scenario203 (every 3 hours)
3-hour values [litre]
8 x per day
Status information, actual date and time
monthly
Device-specific information (firmware version,
LoRaWAN®-version, device type)
six-monthly
Device-specific information (manufacturer, fabrication
number, VIF/VIFE)
once at join
Scenario 204 (hourly)
Hourly value [litre]
hourly
Status information, actual date and time
monthly
Device-specific information (firmware version,
LoRaWAN®-version, device type)
six-monthly
Device-specific information (manufacturer, fabrication
number, VIF/VIFE)
once at join
LoRaWAN® radio interface
Protocol content
Interval
Serial number (DevEUI)
once when logging into the
LoRaWAN® network
Device-specific information (firmware version,
LoRaWAN®-version, device type)
six-monthly
Changes of status (manipulation, battery warning,...)
event-driven
