Siemens Desigo RXB Technical Manual page 456

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Siemens
Building Technologies
Contents
1 About this document ..............................................................................3
1.1 Revision history.........................................................................................3
1.2 Referenced documents .............................................................................3
1.3 Before you start .........................................................................................3
1.3.1 Trademarks ...............................................................................................3
1.3.2 Copyright ...................................................................................................4
1.3.3 Quality assurance .....................................................................................4
1.3.4 Document use/ request to the reader .......................................................4
1.4 Target audience.........................................................................................4
2 Introduction .............................................................................................5
2.1 Technical bus differences between RXB and RXL...................................5
3 Periphery wiring (without bus) ..............................................................6
3.1 Engineering notes .....................................................................................6
3.1.1 Power lines AC 230 V ...............................................................................6
3.1.2 Transformer design AC 24 V.....................................................................6
3.1.3 Wiring for Triaca outputs AC 24 V and power supply AC 24 V .................6
3.1.4 Signal wiring ..............................................................................................7
3.1.5 Additional notes for room devices.............................................................7
3.1.6 Relay outputs ............................................................................................8
3.1.7 Connect room units in master/slave configurations ..................................9
3.2 Installation notes .....................................................................................10
3.2.1 Electromagnetic compatibility, EMC........................................................10
4 Konnex bus technology .......................................................................12
4.1 Cable specification ..................................................................................12
4.1.1 Bus cable (RXB and RXL).......................................................................12
4.1.2 Bus cable technical data: ........................................................................12
4.1.3 Bus cable screening................................................................................13
4.2 Installation notes .....................................................................................13
4.2.1 Laying bus cables ...................................................................................13
4.2.2 Terminating resistor.................................................................................13
4.2.3 Bus power supply....................................................................................14
4.2.4 Bus line polarity.......................................................................................14
4.3 Device interface specification (RXB/RXL)...............................................15
4.4 Communications basics ..........................................................................15
4.5 Engineering notes ...................................................................................16
4.5.1 Network structure ....................................................................................16
4.5.2 Bus topologies.........................................................................................17
4.5.3 Bus lengths and distances ......................................................................17
4.5.4 Network address .....................................................................................19
4.5.5 Limits .......................................................................................................19
4.5.6 Zones and zone addresses.....................................................................19
4.5.7 Area and line couple, IP router................................................................20
4.5.8 Filter worksheets .....................................................................................21
Installation guide RXB, RXL
Contents
CM110381en_01
28 Feb 2009