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Building Technologies 

Network nodes with gateway WTX16… 

CE1N2878en 

HVAC Products 

 

14.07.2005 

RESET

MODE

DISPLAY

1

2

3

4

6

7

11

10

8

9

5

 

 

1  Connector for M-bus service connection 
2  Connector for RS-232 module 
3  Screw terminal for the fixed M-bus connection 
4  Connector for power supply DC 3,6 V 
5  Connector for backup battery 
6  Operating mode button (MODE, red) 
7  Button for switching the display (DISPLAY, blue) 
8 Reset 

button 

(recessed) 

9 Display 
10  Connector (not for the user) 
11  Firmware memory (covered up) 

 
The wall-mounted section of WTX16.GSM and WTX16.IP contains these components: 

7

4

2

10

3

5

6

8

1

11

 

 

The wall-mounted section of WTX16.MOD contains these components: 

1

9

4

2

1

3

5

6

10

11

 

 
1  Mains connection L and N 
2  Permanently installed cable (no flexible 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  M3 nut to fix the hinged protection lid (WTX16.GSM and WTX16.IP only) 
8  Antenna (WTX16.GSM only) 
9  SIM card holder (WTX16.MOD only) 
10  Indication of mains supply 
11  RS-232 interface for servicing 

 

Electronics section 

Wall-mounted section 

Summary of Contents for WT Series

Page 1: ...use in buildings to create a radio network for receiving and storing the data transmitted by the consumption meters installed in the building Com munication between several network nodes is via radio also so that no wiring is re quired All measured values acquired by the consumption meters are continuously exchanged within the network which means that every network node stores the current consumpt...

Page 2: ...rated M Bus master Max number of meters WTX16 GSM Network node with gateway remote readout via GSM yes 5 unit loads 2000 WTX16 IP Network node with gateway remote readout via Ethernet yes 5 unit loads 2000 WTX16 MOD Network node with gateway remote readout via GSM or GPRS no 500 The use of the GPRS application requires certain provisions by the network operator To use the GPRS option the user has ...

Page 3: ...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 trnaceiver for Siemeca network data memory 500 meters M Bus slave backup battery Spannungsversorgung Netzteil data base 500 meters GSM GPRS RS232 user programmable...

Page 4: ...rmware memory covered up The wall mounted section of WTX16 GSM and WTX16 IP contains these components 7 4 2 10 3 5 6 8 1 11 The wall mounted section of WTX16 MOD contains these components 1 9 4 2 1 3 5 6 10 11 1 Mains connection L and N 2 Permanently installed cable no flexible cable 3 Extra insulation shrink sleeve 4 Connector for power supply DC 3 6 V 5 Screw terminal for the fixed M bus connect...

Page 5: ...ors Telegrams from the metering de vices are received stored and further handled by the network Extended stan dard mode1 M The receiver is always active to ensure fast communication This mode is automatically activated in the case of mains powered opera tion WTX16 It can also be started manually with the ACT26 service tool Installation mode2 In installation mode the radio network will be configure...

Page 6: ...Mains connection L and N 2 Permanently installed 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 scre...

Page 7: ...o a search run to find all meters of the network s One can start a search run either by restarting the WTX16 by disconnecting it shortly from the mains power switch S or by triggering it with a command sent by the commissioning software ACT21 from a PC attached to the network node Screw tight the GSM antenna prior to commissioning Network nodes WTX16 GSM require a SIM card For that purpose remove ...

Page 8: ...stored installed operated and maintained Staff dealing with the product must be familiar with all potential hazards and mainte nance 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 The power line to the WTX16 must include an easily accessible switch contact gap 3 mm that allows the user to d...

Page 9: ...ing voltage WTX16 AC 100 240 V 50 60 Hz Rated frequency 868 3 MHz Transmitter power 14 dBm Frequency of transmission 1 Permanent 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 6 0 R 1 5 0 R 100 150 250 2 5 0 R 55 250 2 5 R Dimensions in mm M Bus connection The information provided in this Data Sheet only gives general d...

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