User Manual

18
Smart Infrastructure
CE2N5324en
2019-06-27
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
acquisition).
Power supply
The RF module is powered via the meter. A D-cell is required if the meter is battery powered.
LoRa module
WZU-LoRa/WZU-LoRa-EXT
The Long Range Wide Area Network (LoRaWAN) is a low-power network protocol. The
LoRa alliance establishes the LoRaWAN specification; it is freely available and uses a
special modulation technology.
The LoRaWAN module sends the meter data over a LoRaWAN wireless network to an
application server (control unit) that the end customer can access. The meter data is
transmitted immediately after start. The module can be configured using the mobile APP
'LoRaWAN MCM'.
The transmission type 'Standard' for the LoRa telegram includes the following data points:
● Energy
● Volume
● Power
● Flow rate
● Flow temperature
● Return temperature
● Serial number
● Error flag