9
Menu display
1
Consumption value
2
Flow direction display in forward flow direction
3
Flow direction display in return flow direction
4
4-digit flowrate display with automatic point shifting in m³/h
5
Data transfer display: Symbol only flashes briefly for the time of data transfer as soon as an NDC module is connected
6
Battery capacity display:
Symbol is activated 15 months prior to fully discharged battery. The battery capacity is 12 to a maximum of 15 years
(depending on the ambient conditions as well as use and configuration of a connected NDC module)
7
External power supply: Symbol is activated once a communication module is connected via the NFC interface
8
Alarm or error messages (are saved in the data logger and can be read out via the NFC interface)
With an NFC-enabled device, the following (non-
editable) menu displays can be called up. Bring the
NFC device close to the NFC interface and remove
it again. With each new contact, the next display
appears. After the last display, the display returns
back to the main display at the next contact.
Total volume
Firmware version
High resolution test display
Return flow volume
Segment test
Forward flow volume
m³/
h
m³
m³/
h
m³
m³
Display description
1
2
3
4
8
7
6
5
Data transfer display
State of radio
symbol on LCD
IUWS with integrated LoRaWAN®
interface (Communication Scenario
2xx)
IUWS with integrated wM-Bus inter-
face (Communication Scenario 3xx)
IUWS with attached external
NDC radio module
No symbol
Radio off
State of symbol provides no informa
-
tion about operation mode of device
Radio off or NDC radio module not
yet discovered
Radio on, NDC radio module disco
-
vered, but not yet joined to LoRa
network or LoRa network join failed
<N/A>
(only in case of LoRa) radio on, NDC
radio module discovered, but not
yet joined to LoRa network or LoRa
network join failed
LoRa network join request was sent,
accept not yet received
wM-Bus packet is being transmitted <N/A>
LoRa network joined
<N/A>
LoRa network joined
