Ledj Rapid QB1 - DMX Setup and Connectivity; Setting DMX Address and Linking; DMX 512 Protocol and Cabling

www.prolight.co.uk Rapid QB1 User Manual
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Setting the DMX address:
TheDMXmodeenablestheuseofauniversalDMXcontroller.Eachxturerequiresa“startaddress”
from1-511.Axturerequiringoneormorechannelsforcontrolbeginstoreadthedataonthechannel
indicatedbythestartaddress.Forexample,axturethatoccupiesoruses7channelsofDMXandwas
addressedtostartonDMXchannel100,wouldreaddatafromchannels:100,101,102,103,104,105
and106.Chooseastartaddresssothatthechannelsuseddonotoverlap.E.g.thenextunitinthe
chainstartsat107.
DMX 512:
DMX(DigitalMultiplex)isauniversalprotocolusedasaformofcommunicationbetweenintelligent
xturesandcontrollers.ADMXcontrollersendsDMXdatainstructionsformthecontrollertothexture.
DMXdataissentasserialdatathattravelsfromxturetoxtureviatheDATA“IN”andDATA“OUT”
XLRterminalslocatedonallDMXxtures(mostcontrollersonlyhaveadata“out”terminal).
DMX linking:
DMXisalanguageallowingallmakesandmodelsofdifferentmanufacturestobelinkedtogether
andoperatefromasinglecontroller,aslongasallxturesandthecontrollerareDMXcompliant.
ToensureproperDMXdatatransmission,whenusingseveralDMXxturestrytousetheshortest
cablepathpossible.TheorderinwhichxturesareconnectedinaDMXlinedoesnotinuencethe
DMXaddressing.Forexample;axtureassignedtoaDMXaddressof1maybeplacedanywherein
aDMXline,atthebeginning,attheend,oranywhereinthemiddle.Whenaxtureisassigneda
DMXaddressof1,theDMXcontrollerknowstosendDATAassignedtoaddress1tothatunit,
nomatterwhereitislocatedintheDMXchain.
DATA cable (DMX cable) requirements (for DMX operation):
ThisxturecanbecontrolledviaDMX-512protocol.TheDMXaddressissetonthebackoftheunit.
YourunitandyourDMXcontrollerrequireastandard3-pinXLRconnectorfordatainput/output,
seeimagebelow.
Note: DMX cable must be daisy chained and cannot be split.
DMX setup
FurtherDMXcablescanbe
purchasedfromallgoodsound
andlightingsuppliersor
ProLightConceptsdealers.
Pleasequote:
CABL10 – 2m
CABL11 – 5m
CABL12 – 10m