Data Sheet
Network Node of INDIV-5 AMR
Application
The INDIV-5 AMR network node is used to receive
and handle the data transmitted by INDIV-5 Heat
Cost Allocator of the AMR system. In small plants,
one network node suces as a data collector. In
larger plants, or when consumption data shall be
read out from a remote location, an M-bus
interface for connection to a gateway is required.
The NNB-Std network node is battery powered,
the mains powered version is available for special
applications.
meters installed in the building. Communication
between several network nodes is via radio also
so that no wiring is required. All measured values
acquired by the consumption meters are
continuously exchanged within the network,
which means that every network node stores the
current consumption values, the values read out
at the end of the month, and the set day values of
all metering devices on the network. Owing to
this operating principle, all network data can be
read out at any of the nodes, or a INDIV-5 AMR
gateway for remote data transmission can be
used with any of the nodes.
Functions
• Reception and storage of the data transmitted
by the consumption meters
• Automatic creation of a network with up to 12
network nodes (with a maximum of 500
consumption meters)
• Passing on all relevant consumption values to
all network nodes on the network
• Communication via the INDIV-5 AMR gateway
Ordering
Combinations
The network node is a component of the AMR
system. It has been designed for use in buildings
to create a radio network for receiving and
storing the data transmitted by the consumption
Device Description Code no.
NNB-Std Standard battery-powered network node 088H2332
Note! Mains powered version is available on request.
All network nodes with integrated gateway can
be used along with any other network node. The
maximum number of 12 network nodes in one
system must not be exceeded.
The network nodes with gateway and integrated
M-Bus master (NNV-IP) are able to read M-Bus
meters according to EN13757-2/3.
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Data Sheet Network Node of INDIV-5 AMR
Technical design
The network node consists of the following
subassemblies:
Power supply:
• mains supply network node
• battery NNB-Std
M-Bus
(Slave)
Memory for
500 meters
AMR network
Transciever for
Back-up battery
RS232
(optional)
Receiver and transmitter are used for receiving
consumption data and forwarding them to other
network nodes of the network. The memory
stores the consumption data. It is protected
against temporary power drops (e.g. mains
power failure or replacement of the main battery)
by a backup battery. The network can be read
locally via the M-Bus interface.
NNB-Std node is battery operated, while the
mains powered version requires a mains power
supply 100 - 230 VAC.
Electronics section
The housing with the electronics is identical for
all types of network nodes. It contains the
network controls:
1 2 3 4 5
6
MODE
RESET
8
7
9
DISPLAY
12
10
11
1. Connector for M-bus service connection
2. Connector for enhancements
3. Screw terminal for the xed M-bus connection
4. Connector for power supply DC 3.6 V
5. Connector for backup battery indication of
mains supply
6. Operating mode button (red)
7. Button for switching the display (blue)
8. Reset button (recessed)
9. Display
10. Connector (not for the user)
11. Firmware memory (covered up)
12. IrDA-Interface (optically)
Basic design
The network node consists of 2 major sections:
the base and the housing with the electronics. It
is thus possible to mount the base prior to
commissioning, enabling the electrical installer
to connect the mains powered network node to
the mains network.
At the time of commissioning, the electronics
section is snapped on and the electrical connections are made.
Wall-mounted section
The wall-mounted section of the network node
NNB-Std contains only the main battery. The wallmounted section of the mains powered network
node contains the power pack and possibly an
optional RS232 interface.
RTS
CTSRxTx
GND
n.c.
1
2
6
5
4
7
3
1. Mains connection L and N
2. Preinstalled mains cable (no exible power
cable!)
3. Extra insulation (shrink sleeve)
4. Connector for power supply DC 3.6 V
5. Screw terminal for the xed M-bus connection
6. Connector for M-bus service connection
7. Indication of mains supply
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Data Sheet Network Node of INDIV-5 AMR
Display,
levels
The display of the network node facilitates commissioning work and troubleshooting.
In addition to the standard display that shows the operating mode of the NNB-Std, there are 5
dierent display levels from “A“ to “E“ that can be selected by the user.
Level Display Explanation
- Current operating mode
A
Network node number (primary address) and alternate network
number
B Number of network node on the network
C Number of consumption meters on the network
D Remaining capacity of the NNB-Std main battery in %
E Error code (3 groups)
Display,
operating modes
There are dierent operating modes some of which can be selected by pressing the button on the
network node; some are selected automatically, or from a connected PC via the ACT26 commissioning
software. The selected operating mode appears on the display.
Mode Display Explanation
Idle mode
Standard
mode
Extended
standard
1)
mode
Delivery status. Switch to install mode by pressing the button MODE
(> 2 seconds).
This is the normal operating mode of the data collectors: telegrams
from the metering devices can be received, stored and handled
further by the network.
The receiver is always active to ensure fast communication. This mode
is automatically activated in the case of mains powered operation. It
M
can also be started manually with the ACT26 service tool.
In installation mode, the radio network will be built up automatically.
Installation
2)
mode
Metering devices that transmit installation telegrams in this operating
mode will be registered in the network. This mode is started by
pressing the MODE button (> 2 seconds).
Extended
installation
2)
mode
Protective
installation
2)3)
mode
Search
mode
Extended
search
2)
mode
Delete
2)3)
mode
1)
In battery powered network nodes this mode is terminated automatically after eight hours.
2)
This mode is terminated automatically after eight hours.
3)
Possible only with the software ACT26 version 2.0 or higher.
The extended Installation mode will register all metering devices
that transmit either installation or data telegrams. This mode is
M
useful if network is expanded later.
Same as installation mode, except that connections are built up only
by devices with the same network signature.
This mode restores radio connection to lost or manually registered
metering devices. This mode starts automatically.
This search run is used to restore the radio connection to lost or
manually registered metering devices. Starting from version 2.2 this
M
mode can also be started manually by setting jumper 1 (in the plug
eld) and pressing the MODE button ( > 2 seconds).
Same as installation mode, except that all registered metering
devices which are transmitting installation telegrams will be deleted
(meter replacement).
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Data Sheet Network Node of INDIV-5 AMR
Display,
state of the system
State Display Explanation
Remote
access
High speed
mode
for example
C
During remote access the symbol "C" will be displayed.
When all network nodes have switched on their receivers for fast
data exchange, this will be displayed as two dots in the upper part of
M
the LCD.
for example
Bus
connection
(from
version 2.2)
IrDA master
mode (from
version 2.2)
If a connection to a bus is being built up, the number of the bus and
the primary address of this bus will be briey displayed .
In the example, network node 03 is connected to M- Bus.
This mode is started by pressing the button MODE (< 0.5 seconds). It
indicates readiness to connect additional IrDA devices (in IrDA Slave
mode). This mode stops after 10 seconds.
for example
If an unregistered IrDA-capable metering device is connected in
Add (from
version 2.2)
IrDA master mode, it can be inserted into the network node by
pressing the button DISPLAY while ADD is displayed. The last 4 digits
of device number are indicated (e.g. 20000123).
The registration of the device takes place and search mode starts.
Delete (from
version 2.2)
Copy (from
version 2.2)
for example
for example
If an already registered IrDA-capable metering device is connected
in IrDA-master mode it can be removed from the network node by
pressing the button DISPLAY while DEL is displayed. The last 4 digits
of device number are indicated (e.g. 20000123).
The removal of the device takes place and if necessary search mode
is stopped.
If a new network node (running in idle mode) is connected in
IrDA-master mode, it is possible to make a copy of all network data
into the new node by pressing the button DISPLAY while COPY is
displayed.
Copying lasts up to 20 minutes. At the end "StArt Prot" is displayed
on LCD of the new network node for 1 hour. After mounting the new
node the protected mode is also started by pressing the DISPLAY
button. By this procedure the new network node is integrated in
network and search mode is started automatically.
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VDIGD102 © Danfoss 09/2013
Data Sheet Network Node of INDIV-5 AMR
Commissioning the
NNB-Std network node
For safety reasons, the NNB-Std is supplied
without having the main battery connected.
1
MODE
RESET
DISPLAY
2
1. Connector for power supply.
2. Backup battery.
Calculating the battery’s life expectancy
After installation of the network node, connect
the battery plug to the relevant connector (1).
The display of the network node will show bAtt.
Press the blue DISPLAY button once to start the
life expectancy calculation for the new main
battery.
Caution!
The main battery can be removed from the
network node during operation and the plug can
be connected again. In that case, the DISPLAY
button may not be pressed as a conrmation. The
result would be an erroneous display when
showing the remaining capacity.
Battery replacement
First, remove the discharged main battery and
insert the new one. Press the blue DISPLAY button
once to start the life expectancy calculation for
the new main battery. The backup battery must
not be removed simultaneously. A fatal loss of
data would happen.
Depassivation
After storing the main battery for longer periods,
especially at temperatures higher than 30 °C, the
battery might passivate. Under these circumstances
it will not be able to deliver sucient energy to
the network node. If the network node detects a
passivated battery a depassivation cycle is
triggered. This is indicated by a ashing front
LED. The procedure might take a few minutes.
After depassivation the network node will start
up automatically in IdLE mode. Long press of
button MODE activates the installation mode of
network node. Low temperatures at the battery
may cause a similar behaviour in other modes
too.
Safety note on lithium batteries!
The main battery requires careful treatment:
• Do not short-circuit or damage the battery.
• Do not expose the battery to excessive heat.
• Return exhausted batteries to the supplier.
• Read the enclosed safety instructions
carefully.
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Data Sheet Network Node of INDIV-5 AMR
Commissioning
the mains powered
network node
Mains powered network node
For mains powered network nodes, the mains
connections are to be made rst at the selected
mounting positions (typically on every second
oor, mounting height ≥ 2 m), if required.
Wiring diagram
S
N L
M1 M2
S ............... Switch
L, N ............ 230 VAC mains power supply
M1, M2 ......... M-Bus output
R1 ... Rn ........ optional interface(s)
Caution!
Connect the mains cable to the power supply
unit only!!
R1 ... Rn
Mains connection
Connection of the 230 VAC power line to the
power pack is to be made as follows:
A 2-core mains cable (L and N) is already preinstalled at the mounting site. The power pack
must be connected by qualied sta. The cores
must be sheathed with the enclosed insulating
sleeves to ensure compliance with safety class II.
Then, the live (L) and neutral (N) conductors must
be connected to terminal “IN” of the power pack.
Mains voltage must be in the range from 100 to
240 VAC (50/60 Hz). There is no protective earth
(PE) connection.
Then, cable strain relief must be provided by
tting cable ties.
Once the top section is tted, the housing with
the electronics can be snapped on. Then, the
power supply connector can be plugged into the
electronics section and the network node
switched to installation mode by pressing the
MODE button (red) for a few seconds. Then,
additional network nodes or consumption
meters of the AMR system can automatically
congure themselves to form a network.
Ensure that the local regulations for radio
transmission installations and electrical installations are complied with.
1
2
1. Mains connection L and N
2. Preinstalled mains cable (no exible power cable!)
3. Extra insulation (shrink sleeve)
Connect the 230 VAC power supply line to the
power pack of the mains powered network node
in the following order:
Remove the upper housing section
from the base. For that purpose,
remove the 2 cable connections
(power supply (4) and M- Bus (6))
between network node and base.
Then, use a suitable tool (screwdriver
or similar) to slightly open one of the
two lateral xing levers so that upper
housing section and base can be
separated.
Then, the top section is to be tted using 2
dowels and screws (spacing of dowels 184 mm).
3
Safety notes
After opening the housing, certain parts of
the device / system that become accessible
carry dangerous voltage.
Only qualied sta may interfere with such
devices / systems.
• To ensure correct and safe operation, the
product must be adequately shipped,
stored, installed, operated and maintained.
• Sta dealing with the product must be
familiar with all potential hazards and
maintenance measures in accordance with
the instructions given in this document.
Non-observance of these warning notes
can lead to personal injury or damage to
property!
Ensure that the local regulations for radio
transmission installations and electrical
installations are complied with.
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VDIGD102 © Danfoss 09/2013
Data Sheet Network Node of INDIV-5 AMR
M-Bus connection
Optical IrDA interface
Technical data
Any network node can be connected to the M-Bus
temporarily (service connector) or continuously
(screw terminal for the xed M-bus connection).
A plug for the screw terminal is included with
every network node.
1. Screw terminal for the xed M-Bus connection,
max. 5 unit loads.
2. M-Bus service connection.
Starting from version 2.2 each network node
supports optical IrDa interface. This interface is
always active and could be used for service with
commissioning tools or for data exchange.
IrDA-master mode has to be started manually if
network node itself should work as IrDA-master
(e.g for data exchange with metering device).
Protection class IP32
Safety class 2
Electromagnetic
CE conformity
to EMC directives
Operating voltage, NNB-Std 3.6 VDC
Main battery, lifetime > 5 years
Operating voltage, mains powered version 100 - 240 VAC, 50/60 Hz
Rated frequency 868.95 MHz
Transmitter power < 14 dBm
Frequency of transmission < 1%
Transport / Storage temperature -20 to +60 °C (recommended < 30 °C)
Operation temperature 0 to 55 °C
Weight 0.3 kg
immunity
Electromagnetic
emissions
according to EN 55 024 / EN 301 489
according to EN 55 022 / EN 300 220-1
1
2
MODE
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Data Sheet Network Node of INDIV-5 AMR
200160
R 25
200
184
55
R 25
Dimensions
NNB-Std
55
0
Mains powered version
2.5
2.5
31.8
9.7
25.3
55150
205
R 250
9.7
250
0
R 250
R 60
R 150
150100
8
VDIGD102 © Danfoss 09/2013
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