QUNDIS WTT16 Series User manual

CE1N2874en
09.09.2009
www.qundis.com
Network Node WTT16...
WTX16...
The WT…16… network node is used to receive and handle the data transmitted by
consumption meters of the Q AMR system. In small plants, one network node suffices
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 an OZW10 M-bus central unit
or a gateway is required. The WTT16... network node is battery-powered, the mains-
powered WTX16... version is available for special applications.
Use
The WT…16… network node is a component of the Q 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 meters installed in the building. Communication between several net-
work 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 QUNDIS gate-
way for remote data transmission can be used with any of the nodes.

2/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
Functions
Reception and storage of the data transmitted by the consumption meters
Automatic creation of a network with up to 12 WT…16 (with a maximum of 500 consump-
tion meters)
Passing on all relevant consumption values to all WT…16 on the network
Communication via the QUNDIS gateway
Communication with the OZW10 M-bus central unit
Network node versions
The WT…16… network node is a component of the Q AMR system and has been designed
for exclusive use with that system.
It is available in a number of versions for different applications:
Application Battery-powered Mains-powered
Standard WTT16 WTX16
With RS-232 interface for local data
readout WTT16.232 WTX16.232
Network nodes with integrated gateway are used for the remote readout of Q AMR net-
works. They are described in data sheet CE1J2878.
Combinations
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 (WTX16.GSM and
WTX16.IP) are able to read M-Bus meters according to EN13757-2/3
Technical design
The network node consists of the following subassemblies:
transceiver for
Q AMR network
memory for
500 meters
M-Bus
(Slave)
RS232
(optional)
backup battery
power supply:
mains supply WTX16..
battery WTT16...
Receiver and transmitter are used for receiv-
ing 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 net-
work can be read locally via the M-Bus inter-
face. The network nodes WT..16.232 have an
additional RS232 interface for readout pur-
poses.
WTT16.. nodes are battery-operated, while WTX16.. require a mains power supply AC 100V
.. 230 V.
The network node consists of 2 major sections: The base and the housing with the electron-
ics. It is thus possible to mount the base prior to commissioning, enabling the electrical in-
staller to connect the WTX16 to the mains network. At the time of commissioning, the elec-
tronics section is snapped on and the electrical connections are made.
The housing with the electronics is identical for all types of network nodes. It contains the
network controls:
Basic design
Electronics section

3/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
RESET
MODE
DISPLAY
1 2 3 4
6
7
11
10
8
9
5
12
1. Connector for M-bus service connection
2. Connector for enhancements
3. Screw terminal for the fixed 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)
The wall-mounted section of the network nodes WTT16.. contains only the main battery. In
variant WTT16.232 the RS232 interface is fixed here. The wall-mounted section of the net-
work nodes WTX16 and WTX16.232 contains the power pack and possibly an additional
RS232 interface.
GND n.c. RTS CTS Rx Tx
4
2
7
3
5
6
1
1. Mains connection L and N
2. Preinstalled mains cable (no flexible power cable!)
3. Extra insulation (shrink sleeve)
4. Connector for power supply DC 3,6 V
5. Screw terminal for the fixed M-bus connection
6. Connector for M-bus service connection
7. Indication of mains supply
Wall-mounted section

4/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
The display of the WT…16… facilitates commissioning work and troubleshooting. In addition
to the standard display that shows the operating mode of the WTT16, there are 5 different
display levels from “A“ to “E“ that can be selected by the user.
Display level
-
Current operating mode
A
WT…16 number (primary address) and alternate
network number
B Number of WT…16 on the network
C Number of consumption meters on the network
D
Remaining capacity of the WTT16’s main battery
in %
E Error code (3 groups)
There are different 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 Delivery status. Switch to install mode by pressing the but-
ton MODE (>2 sec).
Standard mode This is the normal operating mode of the data collectors:
Telegrams from the metering devices can received, stored
and handled further by the network.
Extended stan-
dardmode1)
M
The receiver is always active to ensure fast communication.
This mode is automatically activated in the case of mains-
powered operation (WTX16...). It can also be started manuall
y
with the ACT26 service tool.
Installa-
tionsmode2)
In installation mode, the radio network will be built up automati-
cally. 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 (>2sec).
Extended in-
stalla-
tionsmode2)
M
The extended Installation mode will register all metering
devices that transmit either installation or data telegrams.
This mode is useful if network is expanded later.
Protected in-
stallations
mode 2)3)
Same as installation mode, except that connections are built up
only by devices with the same network signature.
Search
mode
This mode restores radio connection to lost or manuall
y
registered metering devices. This mode starts automatically.
Extended
search
mode2)
M
This search run is used to restore the radio connection to los
t
or manually registered metering devices.
Starting from version 2.2 this mode can also started manuall
y
by setting jumper 1 (in the plug field) and pressing the MODE
button ( >2 sec.)
Delete-mode2)3) Same as installation mode, except that all registered me-
tering devices which are transmitting installation telegrams
will be deleted. (meter replacement)
1) In battery powered network nodes this mode is terminated automatically after eight hours.
2) This mode is terminated automatically after eight hours.
3) Possibly only with the software ACT26 version 2.0 or higher
Display
Operating modes

5/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
State of the
system Display Explanation
Remote
access
C
During remote access the symbol ‚ ’ will be displayed.
Highspeed-
mode
for example
M
When all network nodes have switched on their receivers fo
r
fast data exchange, this will be displayed as two dots in the
upper part of the LCD.
Bus-connection
(from version
2.2)
for example
If a connection to a bus is being built up, the number o
f
the bus and the primary address of this bus will be
briefly displayed .
In the example, network node 03 is connected to M-
BUS
IrDA-master
mode (from
version 2.2)
This mode is started by pressing the button MODE. (<
0,5 sec). It indicates readiness to connect additional
IrDA devices (in IrDA Slave mode). This mode stops
after 10 sec.
Add (from
version 2.2)
for example
If an unregistered IrDA-capable metering device (e.g.
WHE467) is connected in IrDA master mode, it can be
inserted into the network node by pressing the button DIS-
PLAY 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)
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.
Copy (from
version 2.2)
for example
If a new network node (running in idle mode) is connected in
IrDA-master mode, it is possible to make a copy of all net-
work 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. Afte
r
mounting the new node the protected mode is also started
by pressing the DISPLAY button. By this procedure the ne
w
network node is integrated in network and search mode is
started automatically.
Engineering notes
For detailed engineering instructions, refer to the Engineering Manual CE1J2870.
Commissioning the WTX..
For mains-powered WTX16.... network nodes, the mains connections are to be made first at
the selected mounting positions (typically on every second floor, mounting height ≥2 m), if
required.
Engineering

6/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
S
N L
R1 ... Rn
M1 M2
S Switch
L, N AC 230 V mains power supply
M1, M2 M-Bus output
R1 ... Rn optional interface(s)
1
23
1 Mains connection L and N
2 Preinstalled mains cable (no flexible
power cable!)
3 Extra insulation (shrink sleeve)
Connect the AC 230 V power supply line to the power pack of the WTX16… in the
following order: Remove the upper housing section of the WTX16… from the
base. For that purpose, remove the 2 cable connections (power supply (4) and M-
Bus (6)) between gateway and base. Then, use a suitable tool (screwdriver or
similar) to slightly open one of the two lateral fixing levers so that upper housing
section and base can be separated.
Then, the top section of the WT…16 is to be fitted using 2 dowels and screws
(spacing of dowels 184 mm with the WTX16...).
Connection of the AC 230 V power line to the power pack of the WTX16... 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 qualified staff. The cores must be sheathed with the enclosed insulat-
ing sleeves to ensure compliance with safety class II. Then, the live (L) and neutral (N) con-
ductors must be connected to terminal “IN” of the power pack. Mains voltage must be in the
range from AC 100 to 240 V (50 / 60 Hz). There is no protective earth (PE) connection.
Then, cable strain relief must be provided by fitting cable ties.
Once the top section of the WT…16 is fitted, the housing with the electronics can be
snapped on. Then, the power supply connector can be plugged into the electronics section
and the WTT16 switched to installation mode by pressing the MODE button (red) for a few
seconds. Then, additional network nodes or consumption meters of the Q AMR system can
automatically configure themselves to form a network.
Ensure that the local regulations for radio transmission installations and electrical installa-
tions are complied with.
Safety notes
After opening the housing, certain parts of the device / system that become accessible carry
dangerous voltage.
Only qualified staff may interfere with such devices / systems.··
To ensure correct and safe operation, the product must be adequately
shipped, stored, installed, operated and maintained
Staff dealing with the product must be familiar with all potential hazards and
maintenance measures in accordance with the instructions given in this docu-
ment.
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 installa-
tions are complied with.
Wiring diagram
CAUTION: connect the
mains cable to the power
supply unit only!!
Mains connection

7/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
Pursuant to the "Verordnung über Allgemeine Bedingungen für die Elektrizitätsversorgung
von Tarifkunden (AVBEltV)" of the Ministry of Economics, electrical installations behind the
house’s fused connection may only be erected, extended, changed and maintained by elec-
trical installers that are registered with an electric utility. They must ensure that the general
technical regulations and legal safety regulations are complied with.
Commissioning the WTT..
RESET
MODE
DISPLAY
12
For safety reasons, the WTT16... is supplied without
having the main battery connected.
1. Connector for power supply
2. Backup battery
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
confirmation. The result would be an erroneous display when showing the remaining capac-
ity.
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.
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
sufficient energy to the network node. If the network node detects a passivated battery a de-
passivation cycle is triggered. This is indicated by a flashing 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.
The main battery used by the WTT16... 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
M-Bus connection
Any network node can be connected to the M-Bus temporarily (service connector) or con-
tinuously (screw terminal for the fixed M-bus connection). A plug for the screw terminal is
included with every network node.
RESET
MODE
Screw terminal for the fixed
M-Bus connection
max. 5 unit loads
M-Bus service connection
In Germany:
Calculating the battery’s
life expectancy
Battery replacement
Depassivation
Safety notes on
lithium batteries

8/8
www.qundis.com Network Node WTT16 V22 CE1N2874en
09.09.2009
Optical IrDA-interface
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 with others IrDA-able QUNDIS products. IrDA-master mode
has to be started manually if network node it self should work as IrDA-master (e.g
for data exchange with metering device).
Technical data
conformity to EMC directives
Safety class IP32
Safety class 2
Electromagnetic compatibility immunity: EN 55 024/EN 301 489
emissions: EN 55 022/EN 300 220-1
Operating voltage WTT16... DC 3.6 V
Lifetime of main battery > 5 years
Operating voltage WTX16... AC 100..240 V, 50/60Hz
Rated frequency 868.3 MHz
Transmitter power < 14 dBm
Frequency of transmission <1%
Perm. ambient temperature
Transport and storage
Operation
20...+60 °C (< 30°C recommended)
0...55 °C
Weight 0.3 kg
Dimensions
184
31,8
9,7
200
60
R
150
R
100
150
250
250
R
55
250
2,5
R
55
150
205
9,7
25,3
250R
250
R
200160
2,5
55
Dimensions in mm
WTX16...
WTT16...
The information provided in this Data Sheet only gives general descriptions and general technical features
which, in the case of specific applications, may not necessarily apply, or which may change due to further
development of the product. Technical features are binding only when expressly agreed upon at the time a
contract is concluded.
2009 QUNDIS GmbH
Subject to alteration