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order to start the service life calculation for the new main battery.
The backup battery must not be disconnected at this point
since this would result in a loss of data.
Depassivation: When the main battery is stored for longer periods,
particularly at storage temperatures higher than 30 °C, passivation
of the battery can occur. It is then no longer able to supply the net-
work node with sufficient energy. If the network node detects a pas-
sivated battery, it automatically starts a depassivation cycle. This is
visualised by a flashing LED on the front. This process can take
several minutes. The network node then starts up in idle mode. If
the battery is cooled very heavily, this behaviour can also occur later
with other modes (e.g. installation mode).
M-Bus connection
The M-Bus can be connected temporarily or permanently (installed
permanently) by means of a connector in one of the two plug con-
nectors for the M-Bus service connector (1). The connector is in-
cluded in the scope of supply.
M-Bus
Fixed con-
nection
Network installation
The red MODE key is pressed on a network node RNN5. The key
must be kept pressed for longer than 2 seconds. Pressing this key
changes the network node to installation mode (can be recognised
by
on the display and the flashing LED on the front). This
network node then automatically configures all the network nodes in
installation mode added later into one wireless network.
Three network nodes before in-
stallation:
Display level A alternates be-
tween different wireless primary
addresses and network numbers
(according to the state on deliv-
ery of the RNN5).
Before network installation:
Display level B shows one net-
work node each
Installation of the metering devices:
The metering devices are set to installation mode.
Before network installation:
Display level C shows no meter-
ing devices in the network.
12
M-Bus connection
for gateway and
service
Three network nodes after / dur-
ing network installation:
Display level A permanently
shows wireless primary ad-
dresses and an identical network
number.
After / during network installa-
tion:
Display level B shows the num-
ber of network nodes in the net-
work.
After / during network installation:
Display level C shows the num-
ber of metering devices in the
network.
MU1H-0472GE23 R1020
Sealing
Once commissioning has been completed, the network node must
be secured using the seal provided. The seal is inserted into the seal
opening on the right-hand side of the network node.
Completing installation of the network
Finally, it must be ensured that all network nodes have saved the
correct number of metering devices and network nodes (level 'b' and
'C' must be checked on the last network node). To quit installation
mode, the red MODE key on one of the network nodes must be kept
pressed for two seconds. The display for standard mode
appear. The front LED can flash for up to another 30 seconds. Then
all the nodes in the network are set to standard mode.
will
V2.0 / 16.08.2017
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