Siemens M-bus Level Converter/Repeater 250 Manual Download

Page: 8 / 16

8
Smart Infrastructure

A6V11742346_en--_a

2019-10-01

Technical design

Topology

The M-bus permits various network topologies. The devices can be connected to the level
converter in a line, bus, star, or tree topology, or a combination thereof.

Ring topology is not permitted.

Bus cable polarity is not relevant, simplifying installation.

Line topology

Bus topology

Star topology

Summary of Contents for M-bus Level Converter/Repeater 250

Page 1: ...d power supply form a unit No addition transformer or auxiliary power required Connect up to 250 M bus devices max 250 simply M bus loads Can be used with the M bus web server WTV676 PXC devices other M bus read configuration systems Up to 6 level converters connected in parallel on one M bus network Up to 6 level converters max 5 level converters as repeater serial connected on one M bus network ...

Page 2: ... 4 A B C RS 485 VA VB 5 1 2 D E F RS 232 Run TX M Bus RX M Bus Short Circuit Overload Power WTX631 GA0090 LEVEL CONVERTER 3 4 5 6 Vout 24Vdc 4 V V 5 1 2 Power 230Vac Vout LC VA VB WTX631 GA0090 POWER SUPPLY The level converter repeater can be connected and used as follows As M bus slave repeater on a M bus web server WTV676 As M bus level converter via interfaces RS 232 or RS 485 to a PXC device o...

Page 3: ...ER SUPPLY 8 9 LC VB 3 4 LC VB 1 2 1 Level converter repeater 2 Power supply To power the M bus web server WTV676 DC 24 V A 6 6 6 6 7 7 7 7 8 9 M Bus MASTER Vin LC 5 3 4 3 4 A B C RS 485 VA VB 5 1 2 D E F RS 232 Run TX M Bus RX M Bus Short Circuit Overload Power 3 4 5 6 Vout 24Vdc 4 V V 5 1 2 Power 230Vac Vout LC VA VB WTX631 GA0090 LEVEL CONVERTER WTX631 GA0090 POWER SUPPLY B 1 2 A Web server WTV6...

Page 4: ... read via the M bus web server A maximum of 250 M bus devices can be read via M bus web server A M bus web server M bus master 1 M bus slave connected in parallel max 6 level converters B Level converter 2 RS 232 serially connected 1 level converter and 5 repeaters C M bus wireless devices D Level converter as repeater Additional information on web server WTV676 is available in the user guide M bu...

Page 5: ...rface B PC or M bus devices NOTICE The level converter WTX631 GA0090 does not have a mini USB interface to locally read the data The device data cannot be read locally with the ACT531 software The TX Open module integrates M bus devices via a RS 232 or RS 485 interface to the Desigo CC building management platform Additional information on the Desigo CC management platform is available in the engi...

Page 6: ...rastructure A6V11742346_en _a 2019 10 01 Level converter as standalone device with up to 250 connected M bus devices The level converter can be used as the master on one M bus network with up to 250 M bus devices ...

Page 7: ... the M bus network terminals 9 and 10 On Data is transmitting Off No data is transmitting RX M bus The orange LED indicates the receive state of data on the M bus network terminals 6 and 7 On Data is being received Off No data is being received Short circuit The red LED indicates a short circuit on the bus very high traffic or a collision Overload The orange LED indicates a bus overload that may p...

Page 8: ... bus permits various network topologies The devices can be connected to the level converter in a line bus star or tree topology or a combination thereof Ring topology is not permitted Bus cable polarity is not relevant simplifying installation Line topology Bus topology Star topology ...

Page 9: ...9 Smart Infrastructure A6V11742346_en _a 2019 10 01 Tree topology Combination of topologies Ring topology ...

Page 10: ... bus Bus expansion Plant type Maximum distance Total cable length Cable cross section Number of devices slaves Max transmission rate Small residential buildings 350 m 1000 m 0 8 mm2 250 9600 baud Large residential buildings 350 m 4000 m 0 8 mm2 250 2400 baud 64 9600 baud Small developments 1000 m 4000 m 0 8 mm2 64 2400 baud Large developments 3000 m 5000 m 1 5 mm2 64 2400 baud Direct vicinity 5000...

Page 11: ...PLY A B C E F G H I D C A Mains voltage AC 230 V F M bus slave connections to the M bus web server WTV676 or to the previous master level converter if the level converter is used as repeater B Output for web server WTV676 power supply DC 24 V C Connect the power supply Vout LC to the level converter Vin LC do not use for other purposes D Serial interface RS232 and RS485 to connect to a PC or M bus...

Page 12: ...e for reading data Description Order number Type M bus web server for remote meter data reading S55563 F150 WTV676 HB6035 Product documentation Topic Title Document ID Device mounting wiring connecting peripheral devices Mounting instructions level converter WTX631 GA0090 A6V11751461 Engineering commissioning operation and troubleshooting User guide M bus web server WTV676 HB6035 M bus level conve...

Page 13: ...ice is considered an electronic device for disposal in accordance with the European Guidelines and may not be disposed of as domestic garbage Dispose of the device through channels provided for this purpose Comply with all local and currently applicable laws and regulations Warranty service Technical data on specific applications are valid only together with Siemens products listed under Equipment...

Page 14: ...pply Power supply for level converter repeater Vout 24 Vdc terminals 6 and 7 on the power supply DC 24 V max 15 VA Interface RS 232 interface terminals A B and C level converter Galvanically isolated connections to connect to PC data logger as master Connect to a PC Terminal A TX PC data logger receiving line Terminal B RX PC data logger transmission line Terminal C GND interface reference voltage...

Page 15: ...4A Environmental compatibility The product environmental declaration A5W00050130 contains data on environmentally compatible product design and assessments RoHS compliance materials composition packaging environmental benefit disposal The documents can be downloaded at http siemens com bt download Degree of protection IP class IP20 per EN60529 Protection class II as per EN 62368 1 Ambient conditio...

Page 16: ...11742346_en _a Edition 2019 10 01 Dimensions Length x Width x Height 110 x 71 x 62 mm per device including terminals Weight Level converter with mounting instructions 0 392 kg for both devices Packaging 0 055 kg Mounting Mounting type On 35mm DIN rails EN60715 Dimensions 6 6 6 6 7 7 7 7 8 9 M Bus MASTER Vin LC 5 3 4 3 4 A B C RS 485 VA VB 5 1 2 D E F RS 232 Run TX M Bus RX M Bus Short Circuit Over...

Search results

Summary of Contents for M-bus Level Converter/Repeater 250

Reviews:

Related manuals for M-bus Level Converter/Repeater 250

Brands by name

Popular brands

Siemens M-bus Level Converter/Repeater 250, Manual

Search results

Summary of Contents for M-bus Level Converter/Repeater 250

Reviews:

Related manuals for M-bus Level Converter/Repeater 250

Brands by name

Popular brands