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Menu display
Segment test
Firmware version
m³
m³/
h
Total volume
Display description
1
2
3
4
Consumption with unit m³
(for nominal diameters DN15-DN50: 6 digits before/3 after the decimal point,
1
for DN50 - DN125: 6 digits before/3 after the decimal point,
for DN150-DN300: 7 digits before/2 after the decimal point)
2
Flow direction display in forward flow direction
3
Flow direction display in return flow direction
4-digit flow rate display, unit in m³/h;
4
with automatic point shifting;
the flow rate display is updated every 2 seconds
5
Data transfer display: Symbols for displaying the join status with LoRaWAN® or the wireless M-Bus radio status.
6
Battery lifetime display: Symbol is activated 15 months prior to fully discharged battery.
External power supply: Symbol is activated briefly once an NDC communication module is switched on via the NFC
7
interface
8
Indication of alarm or error messages (those are saved in the data logger and can be read out via the NFC interface)
Data transfer display
State of radio
IUWS with integrated LoRaWAN®
symbol on LCD
interface (Communication Scenario
2xx)
Radio off
No symbol
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
LoRa network joined
m³
Forward flow volume
m³
Return flow volume
m³/
h
High resolution test display
Display in milliliters (ml)
IUWS with integrated wM-Bus inter-
face (Communication Scenario 3xx)
State of symbol provides no in-
formation about operation mode
of device
<N/A>
wM-Bus packet is being trans-
mitted
<N/A>
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.
Segment test / Firmware version:
The segment test will be carried out every 5
minutes and after then the firmware version is
displayed. After then the display returns to the main
display. The segment test and firmware version can
be also queried via the menu level.
5
6
7
8
IUWS with attached external
NDC radio module
Radio off or NDC radio module not
yet discovered
(only in case of LoRa) radio on,
NDC radio module discovered, but
not yet joined to LoRa network or
LoRa network join failed
<N/A>
LoRa network joined
9
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