Technical information

C-BUS
TM
LIGHTING CONTROL
+
DESIGN GUIDE
C-Bus
TM
Wiring Rules
4DIOFJEFS&MFDUSJD$#VTJODPSQPSBUFTBEJTUSJCVUFEJOUFMMJHFODFMJHIUJOHDPOUSPMTZTUFNUIBUFNQMPZTBMPXWPMUBHFOFUXPSLPGJOUFMMJHFOUJOQVUPVUQVU
BOEOFUXPSLDPNNVOJDBUJPOVOJUTUPDPOUSPMMJOFSBUFEMPBET$#VTOFUXPSLDPNNVOJDBUJPOTJTBDIJFWFEVTJOHQSPQSJFUBSZ$#VTQSPUPDPMPWFSBO
VOTIJFMEFEUXJTUFEQBJS-"/DBCMF$BU6514PNFTJNQMFSVMFTTIPVMECFPCTFSWFEXIFOTQFDJGZJOHPSEFTJHOJOHB4DIOFJEFS&MFDUSJD$#VT
lighting control system.
/FUXPSL5PQPMPHZ
4DIOFJEFS&MFDUSJD$#VTMJHIUJOHDPOUSPMTZTUFNJTDPNQSJTFEPG$#VTEFWJDFTJOUFSDPOOFDUFEVTJOH$BU651DBCMFUPBDIJFWFBUPQPMPHZGSFF
$#VTOFUXPSL5IFMJHIUJOHDPOUSPMTZTUFNNBZJODPSQPSBUFBTJOHMFOFUXPSLPSNVMUJQMFOFUXPSLTUPPWFSDPNFUIFGPMMPXJOH$#VTOFUXPSLMJNJUBUJPOT
 t.BYJNVNDBCMFMFOHUI
 t"EESFTTJOHMJNJUBUJPOT
 t.BYJNVN"7%$QFSOFUXPSL
 t3FEVDFOFUXPSLSFTQPOTFUJNFSFEVDFMPDBMDPNNVOJDBUJPOTUSBGýD
 t"DDPNNPEBUFQIZTJDBMMBZPVUBOECVJMEJOHTUSVDUVSFOFUXPSLþPPS
 8IFODPOOFDUJOHNVMUJQMFOFUXPSLTUPHFUIFSUIFGPMMPXJOHHVJEFMJOFTTIPVMECFPCTFSWFE
 t.JOJNJ[FUIFEFQUIPGUIFOFUXPSLUPQPMPHZGPSGBTUFSNPSFFGýDJFOUDPNNVOJDBUJPOT
 t%JTUSJCVUF$#VT6OJUTPOTFQBSBUFOFUXPSLTQSPQPSUJPOBMMZUPBWPJEDPNNVOJDBUJPOTBOEQPXFSTVQQMZQSPCMFNT'PSFYBNQMFJG
$#VT6OJUTBSFSFRVJSFETQMJUJOUPUXPOFUXPSLTPG6OJUTFBDISBUIFSUIBO6OJUTPOUIFýSTUOFUXPSLBOE6OJUTPOUIFTFDPOE
/FUXPSL4J[F
5IFNBYJNVNOVNCFSPG$#VTVOJUTPOBOZOFUXPSLTIBMMOPUFYDFFEVOJUT*GUIFMJHIUJOHDPOUSPMTZTUFNSFRVJSFTNPSFUIBOVOJUTBO
BEEJUJPOBMOFUXPSLNBZCFDPOOFDUFEUPUIFýSTUOFUXPSLUISPVHIB$#VT/FUXPSL#SJEHFUPBMMPXDPNNVOJDBUJPOTCFUXFFOOFUXPSLT
 t.BYJNVNPG$#VTVOJUTQFSOFUXPSL
 t.BYJNVNPGOFUXPSLTQFSTZTUFN
 t/PNPSFUIBO%-5LFZQBETPOPOFOFUXPSLCFDBVTFPGBEWBODFEPQFSBUJPOT
/FUXPSL$BCMF
.BYJNVNDBCMFMFOHUIJTEFUFSNJOFECZUIFJNQFEBODFPGUIFDBCMFVTFE5IFSFTJTUJWFBOEDBQBDJUJWFJNQFEBODFPGOFUXPSLDBCMFWBSJFTCBTFEPO
UZQF'PS$BU651UIFNBYJNVNMFOHUIGPSSFMJBCMFDPNNVOJDBUJPOTJTGU
 t.BYJNVNGUPG$BU651DBCMFQFSOFUXPSL
 t$#VT/FUXPSL#SJEHFTTIPVMECFVTFEUPTQMJUBOFUXPSLJOUPUXPPSNPSFOFUXPSLTXIFOUIFUPUBMDBCMFMFOHUISFRVJSFEFYDFFETGU
Power Supplies
5IF$#VT1PXFS4VQQMZBOE0VUQVUVOJUTXJUIJOUFHSBMQPXFSTVQQMZQSPWJEFMPXWPMUBHFQPXFSUP$#VTEFWJDFTPOUIFOFUXPSL7%$$VSSFOU
SFRVJSFEUPPQFSBUF$#VTEFWJDFTWBSJFTEFQFOEJOHPOUIFEFWJDF3FGFSUPJOTUBMMBUJPOJOTUSVDUJPOTGPSTQFDJýD$#VTEFWJDFTUPEFUFSNJOFDVSSFOU
SFRVJSFNFOUT&BDI$#VT1PXFS4VQQMZTVQQMJFTVQUPN"BOE$#VT0VUQVUVOJUTXJUIJOUFHSBMQPXFSTVQQMZXJMMTVQQMZVQUPN""EEJUJPOBM
$#VT1PXFS4VQQMJFTNBZCFBEEFEUPNBJOUBJOPQUJNVNOFUXPSLWPMUBHFPG7%$%JTUSJCVUFQPXFSTVQQMJFTFWFOMZPOUIFOFUXPSLUPFWFOMZ
EJTUSJCVUFWPMUBHFESPQ"MMQPXFSTVQQMJFTPOB$#VTOFUXPSLFWFOMZTIBSFUIFOFUXPSLMPBE5ZQJDBMMZOPNPSFUIBO1PXFS4VQQMJFTTIPVME
CFDPOOFDUFEUPBTJOHMFOFUXPSL8IFOVUJMJ[JOH0VUQVU6OJUTXJUIBOJOUFHSBMQPXFSTVQQMZSBUFEBUN"BNBYJNVNPGQPXFSTVQQMJFTJT
BMMPXFE*OOPDBTFTIBMMUIFUPUBMBWBJMBCMFQPXFSFYDFFE"BU7%$
/FUXPSL#VSEFO
"/FUXPSL#VSEFONVTUCFDPOOFDUFEUPB$#VTOFUXPSLUPBDIJFWFSFMJBCMFOFUXPSLDPNNVOJDBUJPOT5IF/FUXPSL#VSEFOJTDPNQSJTFEPGB
DBQBDJUPSJOTFSJFTXJUIBSFTJTUPS0OFIBSEXBSF/FUXPSL#VSEFOJTJODMVEFEXJUIFBDI1$*OUFSGBDF1$*BOEUXPIBSEXBSF/FUXPSL#VSEFOTBSF
JODMVEFEXJUIFBDI/FUXPSL#SJEHF5IF/FUXPSL#VSEFONBZCFTPGUXBSFFOBCMFEPONPTUPUIFS%*/SBJMNPVOUFE$#VTVOJUT0OFBOEPOMZPOF
/FUXPSL#VSEFOJTSFRVJSFEGPSFBDI$#VTOFUXPSL*GNPSFUIBOPOF1$*PS/FUXPSL#SJEHFJTVTFEJOBOFUXPSLBMMCVUPOF/FUXPSL#VSEFOTIPVME
CFEJTBCMFE'PSTZTUFNTXJUINVMUJQMFOFUXPSLTDPOOFDUFEUPHFUIFSWJB/FUXPSL#SJEHFTFBDIOFUXPSLXJUIJOUIF
TZTUFNTIPVMEIBWFPOMZPOF/FUXPSL#VSEFODPOOFDUFEPSFOBCMFE
4ZTUFN$MPDL
5IF$#VTOFUXPSLSFRVJSFTPOFTZTUFNDMPDLTPVSDFUPPQFSBUF5IJTJTOPUBSFBMUJNFDMPDLIPXFWFSOFUXPSLDPNNVOJDBUJPOTBSFTZODISPOJ[FEUP
UIJTTPVSDF5IF1$*BOE/FUXPSL#SJEHFVOJUTNBZCFVTFEUPQSPWJEFUIFTZTUFNDMPDL*GNPSFUIBOPOFPGUIFTFVOJUTJTQSFTFOUPOBOFUXPSLUIF
OFUXPSLBVUPNBUJDBMMZEFUFSNJOFTXIJDIJTBDUJWF"NBYJNVNPGOFUXPSLDMPDLTTIPVMECFFOBCMFEPOB$#VTOFUXPSL
$POOFDUJOHUPUIF$#VT/FUXPSL
5IF$#VTOFUXPSLJTEFTJHOFEUPPQFSBUFBU7%$5IF$#VTOFUXPSLJTPQUJDBMMZBOEPSHBMWBOJDBMMZJTPMBUFEGSPNMJOFWPMUBHFSBUFEDJSDVJUT
8IFOJOTUBMMJOH$#VTEFWJDFTUIFJOTUBMMFSTIPVMEBMXBZTGPMMPXBQQMJDBCMF/&$SFRVJSFNFOUTGPS$MBTTXJSJOH0QFSBUJOHBUBMPXWPMUBHFPG7%$
BMMPXTFMFDUSJDBMXPSLUPCFQFSGPSNFEPOUIF$#VTTJEFPGUIFTZTUFNXIJMFUIFTZTUFNJTQPXFSFEPO#FGPSFXPSLJOHPO$#VTOFUXPSLXJSJOH
PSEFWJDFTMPDBUFEJOFODMPTVSFTXIFSF$MBTTXJSJOHJTQSFTFOUUVSOPGGQPXFSUP$MBTTDJSDVJUT5IF$#VTOFUXPSLJTTIPSUDJSDVJUQSPUFDUFEUP
QSFWFOUEBNBHFUP$#VTEFWJDFTJGBTIPSUPDDVST5IF$#VTOFUXPSLXJMMOPUXPSLBTMPOHBTUIFOFUXPSLJTTIPSUFE$#VTEFWJDFTBSFDPOOFDUFE
JOQBSBMMFMPOUIFOFUXPSL8IFUIFSUIFEFWJDFTBSFDPOOFDUFEVTJOHBEBJTZDIBJOUPQPMPHZBTUBSUPQPMPHZPSBDPNCJOBUJPOPGCPUIUPQPMPHJFTUIF
EFWJDFTBSFBMXBZTDPOOFDUFEUPUIFOFUXPSLJOQBSBMMFMUPBDIJFWFBUPQPMPHZGSFFOFUXPSL)PNFSVOTBSFOPUSFDPNNFOEFEGPS$#VTOFUXPSLT
8IFODPOOFDUJOH$#VTEFWJDFTUPUIFOFUXPSLDBCMFUZQJDBMMZ$BU651DBSFTIPVMECFUBLFOUPPCTFSWFQPMBSJUZSFRVJSFNFOUTDMFBSMZNBSLFEPO
FBDIEFWJDF*UJTSFDPNNFOEFEUIBUJOTUBMMFSTVTFB$BU651
DBCMFXJUIBEJTUJOHVJTIBCMFDPMPSTVDIBTQJOLUPEJTUJOHVJTI
$#VTOFUXPSLDBCMFGSPNPUIFSOFUXPSLDBCMFXIJDINBZCF
QSFTFOU5IJTTJNQMJýFTMBUFSTFSWJDJOHPGUIFTZTUFNCZBMMPXJOH
TFSWJDFQFSTPOOFMUPRVJDLMZJEFOUJGZ$#VTOFUXPSLDBCMFT
Correct wiring with the twist
being maintained between
the two positive conductors
and their respective negative
conductors.
129
TheLightingCompany.com
TheLightingCompany.com