Zenner zelsius C5-CMF IST Montage- Und Bedienungsanleitung Seite 25

The radio interface is always deactivated at delivery. To activate the device,
no software is required. Only the activated sleep mode has to be finished:
Devices that are in sleep mode (Display: SLEEP 1) must be activated by at
least five second press of the button until the energy display appears. The
radio energy meters are equipped with an internal antenna.
General technical
data
Frequency:
Radio protocol:
Data transmission:
Sending interval:
Transmission
power:
Example for wireless M-Bus radio protocol
Example
Medium
Manufacturer
Serial number
Version
Main energy meter
Main volume meter
Energy meter (consumption) on due date
Date last due date
Volume flow
Heating power
Supply temperature
Return temperature
Error code
Last previous month value
Other protocol values on request
wireless M-Bus
868 MHz
Wireless M-Bus (EN 13757-4) and
according to the Open Metering
Standard (OMS) different radio
telegram contents are possible
unidirectional, standard: Mode T1
(other modes on request), 128-bit
AES encryption
depending on the used
lithium battery and if the meter
is equipped with pulse inputs
whose data are also transmitted
Standard: 120 seconds; further
configurations on request
up to 25 mW
LoRaWAN
TM
868 MHz
according to LoRa specifica-
tions
LoRa Device Class A
Daily or monthly (incl. half
month values), temporary ≥
15 minutes
Note:
Diagnosis protocol see sepa-
rate description
up to 25 mW
Heat meter
Thermal energy
ZRI
12345678
12
123456
123456
119230
01.01.2019
127
2828
44.3
25.1
0
121234
Unit
kWh
L
kWh
l/h
W
°C
°C
kWh
25