ControlUnitE6L/Rev6.11‐9
IftheSTOPbuttonconnectedtoterminals34‐35or36‐37isbeingpressed,thesequenceforautomaticclosingdoesnot
start,butthedoorstaysopen.Thesituationisclearedbypressingtheclosebutton,uponwhichthedoorclosesandfunc‐
tionsnormallyagain,sothatthenexttimeitclosesautomaticallyfromtheopenposition.Normally,thesafetymicro‐switch
ofthemanualusedisengagementlever,theslackcableswitchorasimilarsafetydeviceisconnectedtoterminals34‐35
and36‐37.Whenthefunctionofsuchasafetydevicereturns,automaticclosingcouldcauseadangersituation.Whenus‐
ingaprogramboardasanextradevice,thefunctioningofallstopbuttonscanbesettostopautomaticclosing.
4.6.REVERSALDELAY
Ifthedoorreceivesanopenimpulsewhileitisclosing,itstopsandopensafterashortdelaybeforereversal.Thereversal
delayaimsatreducingstrainsonthedoor,driveunitandfixations.If,however,theopenimpulsecomesfromthesafety
edgeasthedoorcollideswithanobstacle,thedooropensimmediatelywithoutdelay.Forsafetyreasons,nodelaycanbe
permittedinacollisionsituation.
4.7.SELECTIONOFRADIOCONTROLFORFULLORREDUCEDOPENING
TheradiocontrolontheterminalboardE6‐2LofthecontrolunitE6Lcanbeselectedtoopenthedooreithertofullopening,
ortoreducedopening.Theselectionisdonebyplacingthejumpersituatednexttotheradiosocketintothepositioncorre‐
spondingtothedesiredfunction.InthepositionX1theradiocontrolwillopenthedoorintofullopeningandintheposition
X2intoreducedopening,seedrawingsno.340Land337Lattheendpartofthismanual.Thepositionofthejumperistobe
changedonlywhentheboardisfreefromvoltage.Thechangingispracticallydonewiththinpointedpliers.
4.8.SINGLE‐BUTTONCONTROL(IMPULSECONTROL)
Thecontroldevicesofsingle‐buttoncontrolareconnectedtoterminals22...33accordingtodrawing337L.Theprogram‐
mingofsingle‐buttoncontrolisdonewiththeDIPswitchS131situatedintheupperrightcornerofboardE6‐2Landusing
shortcircuitplugno.1ofterminalJ7,cf.drawingno.340L.
Single‐buttonclosingissetbyturningswitchno.1ofS131intothepositionON.Nowthesingle‐buttoncontrolclosesthe
doorfromtheopenpositionandopensthedoorfromallotherpositions.Ifswitchno.1isturnedintothepositionOFF,sin‐
gle‐buttoncontrolsimplyopensthedoor.Ifavehicledetectoramplifier,forinstance,isconnectedtothesingle‐buttoncon‐
trol,theswitchiskeptinthepositionOFF.Single‐buttonstoppingissetwithswitchno.2ofS131.InthepositionONof
switchno.2,single‐buttoncontrolalwaysstopsamovingdooratthefirstpulseandopensitatthesecond,thatis,aclosing
doorstopsatthefirstpulseandopensatthesecond.Anopeningdoorstopsatthefirstpulseandreopensatthesecond.By
selectingthepositionOFFforswitchno.2,apulsefromthesingle‐buttoncontrolopensaclosingdoorimmediately,without
astoppingfunctionintheopeningdirection.TheswitchiskeptinthepositionOFFif,forinstance,avehicledetectorampli‐
fierisconnectedtothesingle‐buttoncontrol.
Single‐buttonclosingfromotherthantheopenpositionwillbedefinedbytheshortcircuitplugno.1interminalJ7.Inthat
casetheDIPswitches1and2mustbeinONposition.Theshortcircuitplugno.1beinginplacethedoor,stoppedwhen
movinginopendirection,startstocloseatthefirstimpulse.Thenextimpulsestopsthedoorandthenextoneopensit
again.Theoperationisnotallowedifitcancauseasafetyrisk.
4.9.LOADGUARD
ThecontrolunitE6Lisequippedwithaloadguard.Duringtheimplementationandservicingofthedoor,thecontrolsystem
isintroducedwiththepowerneededtomovethedoor.If,duringnormaluseofthedoor,thepowerdeviatesfromthein‐
troducedvalue,thecontrolwillreacttothechangedload.Anopeningdoorwillstopand,ifsorequired,closeafteraset
timeandaclosingdoorstopandre‐openiftheloaddeviatesfromtheenteredvalue.TheloadismeasuredwithaPNPtype
pulsesensorinthegear,whichmonitorstherotationspeed.Thesensorisconnectedtoterminals60(+24Vdc),61
(electronicszeropotential)and62(signal)ofboardE6‐2L.