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The radio interface is always deactivated at delivery. To activate the device, no
sowareisrequired.
Attention! ForzelsiusC5withLoRainterface,werecommendatrst
to do the onboarding of the device on your respective IoT platform
byputtinginthekeyinformationbelongingtothedevice(DevEUI,
JoinEUIandAppKey)beforeactivatingthedeviceasdescribedbelow!
Onlytheactivatedsleepmodehastobenished:Devicesthatarein
sleepmode(Display:SLEEP1)mustbeactivatedbyatleastvesecondpressofthe
buttonuntiltheenergydisplayappearsordisplay"r.outlet"(seepage7).
InthecaseofvariantswithLoRa-interfaceitispossibletoretrieveadiagnostictele-
gram via the network server with the following data:
■
Heating or resp. and cooling energy
■
Volume
■
Averagevaluesoftemperaturesduringtransmittinginterval(supply,return,
dierence)
■
Maximum return temperature during transmitting interval
■
Averagevaluesforpowerandowrateduringtransmittinginterval
Data wireless M-Bus LoRaWAN®
Frequency: 868MHz 868MHz
Radio protocol:
WirelessM-Bus(EN13757-4)
and according to the Open
MeteringStandard(OMS)
dierentradiotelegram
contents are possible.
accordingtoLoRa
specication
Data transmission:
unidirectional, standard:
Mode T1 (othermodesonre-
quest),128-bitAESencryption
LoRaDeviceClassA
Sending interval:
depending on the used
lithium battery and if the
meterisequippedwithpulse
inputs whose data are also
transmitted
Standard:120seconds;
furthercongurationson
request
Daily or monthly
(incl.halfmonthvalues),
temporary≥15minutes
Note:
The diagnostic protocol see
separate description
Transmission power: upto25mW upto25mW
Example for wireless M-Bus radio protocol
Example Heat meter Unit
Medium Thermal energy
Manufacturer ZRI
Serial number 12345678
Version 12
Main energy meter 123456 kWh
Main volume meter 123456 L
Energy meter (consumption) on due date 119230 kWh
Date last due date 01.01.2019
Volume ow 127 l/h
Heating power 2828 W
Supply temperature 44.3 °C
Return temperature 25.1 °C
Error code 0
Last previous month value 121234 kWh
Otherprotocolvaluesonrequest