Data Sheet for Product

19
Smart Infrastructure
CE2N5324en
2021-03-
19
RF modules, 868 MHz
WZU-RF/WZU-RF-EXT
Function description
The RF modules (WZU-RF and WZU-RF-EXT) enable the meter to communicate wirelessly
with a control unit at 868 MHz. They support data transmission conforming to OMS and
DSMR. The meter time can be set when operating in conformance with DSMR. The maxi-
mum range is 400 meters.
NOTICE
The module must be plugged into slot 2.
The module is available in 2 different versions:
WZU-RF Module with internal antenna
WZU-RF-EXT Module with external antenna
Data output conforming to OMS
The following data is available:
● Current energy
● Current volume
● Current power
● Current flow rate
● Current temperatures heat and cold side
● Error (manufacturer-specific)
● Current time stamp (type I)
Other data telegrams are available on request (e.g. special telegrams for mobile data acqui-
sition).
Power supply
The RF module is powered via the meter. A D-cell is required if the meter is battery powered.