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Siemens
Installation guide RXB, RXL
CM110381en_01
Building Technologies
Contents
28 Feb 2009
Contents
About this document ..............................................................................3
Referenced documents .............................................................................3
Document use/ request to the reader .......................................................4
Technical bus differences between RXB and RXL...................................5
Periphery wiring (without bus) ..............................................................6
Transformer design AC 24 V.....................................................................6
Wiring for Triaca outputs AC 24 V and power supply AC 24 V .................6
Additional notes for room devices.............................................................7
Connect room units in master/slave configurations ..................................9
Electromagnetic compatibility, EMC........................................................10
Konnex bus technology .......................................................................12
Bus cable (RXB and RXL).......................................................................12
Bus cable technical data: ........................................................................12
Device interface specification (RXB/RXL)...............................................15
Communications basics ..........................................................................15
Bus lengths and distances ......................................................................17
Zones and zone addresses.....................................................................19
Area and line couple, IP router................................................................20