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Technical design
WTX16.GSM
WTX16.IP
WTX16.MOD
Basic design
Building Technologies
HVAC Products
The WT...16... consists of the following blocks:
data base
2000 meters
mains power supply
data memory
500 meters
backup battery
*) WTX16.GSM only
**) WTX16.IP only
data base
500 meters
Spannungsversorgung:
Netzteil
data memory
500 meters
backup battery
***) user programmable
The WT...16... consists of 2 major sections: The base and the housing with the elec-
tronics. It is thus possible to mount the base prior to commissioning, enabling the elec-
trical installer to connect the WTX16 to the mains network. At the time of commission-
ing, the electronics section is snapped on and the electrical connections are made.
The electronics section is identical for all types of network nodes. It contains control
elements of the network:
Network nodes with gateway WTX16...
The transmitter and the receiver are
used to collect data from the consump-
GSM
*)
tion meters and to forward theses data to
other nodes in the network the data
memory stores the consumption data. It
TCP/IP
is protected against temporary mains
**)
power failures by the backup battery.
The network nodes WTX16.GSM and
WTX16.IP are equipped with a gateway
to store data of up to 2000 meters and to
provide a possibility for remote readout
M-Bus
via GSM or Ethernet. The gateway has
(slave)
an additional M-Bus master that can
drive up to 5 external M-Bus unit loads
(e.g. up to 5 M-Bus meters). Usually,
however, the M-Bus master is used to
connect nodes of different networks to
be able to read more meters using only
one gateway.
The gateway can be programmed using
an additional RS-232 interface.
The network node WTX16.MOD is equipped
with a gateway for remote readout via GSM
GSM/
GPRS
or GPRS.
***)
It has no M-Bus master, though. Therefore it
can read data from one network only (max.
500 meters).
M-Bus
(slave)
3/9
CE1N2878en
14.07.2005
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