Owner manual

ULTRA-CUT 100 XT
A-10 APPENDIX Manual 0-5272
CNC Input / Output Descriptions
E-Stop input— Requires closed connection rated for 35ma. @ 20VDC for unit to operate. Factory installed jumper
between TB1-1&2 must be removing when connecting user supplied E-Stop circuit.
4
Start/Stop input—Switch (momentary or sustained) rating 35ma. @ 20 VDC
Start / Stop circuit congurations. Momentary Start / Stop (Latched) is only available at TB1.
MOMENTARY START / STOP
START / STOP
TB1-6
TB1-5
TB1-4
SUSTAINED START / STOP
START
STOP
TB1-5
TB1-6
Divided Arc Voltage output—ArcVoltagesignalisisolatedfromplasmasupply,however(-)iscommonwith
otherisolatedCNCsignals.MaxDividedArcVoltagesignalleveldependsonactualarcvoltagetimesdivideratio
howevercannotexceedapproximately12V.
3
Analog Current Control input— Analog Current Control includes analog isolation module, separate isolation
modulenotusuallyrequiredhoweverit’slowinputiscommonwiththeotherisolatedCNCinputs.ScalingofAnalog
CurrentControlinputis0V=0A,10V.=MAXoutputandislinearinbetween.HoweverMINoutputis5A.User
isresponsibleforsettingcorrectanalogvoltagetomaintainatleast5Aoutput.TouseAnalogCurrentControlon
theI/OPCBsetSW11todownpositionandontheCPUPCBsetSW8-2ON(up).
Hold Start input—Normallyopen,closetoholdstart.Circuitrating10ma.@20VDC.Delayspilotignition,gas
preowcontinues.Usedbysomeheightcontrolstoowgaswhilendingheight.Alsousedforsynchronizingstarts
when multiple plasma supplies are used on same cutting table. User supplies circuit to keep Hold Start inputs ac-
tiveuntilalltorcheshavefoundheight.UsedwithCNCSTART.ApplySTARTtobegingasow.Sametimeapply
HOLDtodelayignitionuntilheightisfound.RemoveHOLDtoignitepilot,initiatearctransfer.
Preow On input—Normallyopen,closetostartpreowpriortonormalSTARTsignal.Circuitrating10ma.@
20VDC. Torch Height Controls (THC) normally issue START signal to plasma supply after torch height has been
found.Thentheplasmatakes1-2seconds(ormore)toperformpreowbeforeignitingpilot.SomeTHCshavean
outputthatcanstartpreowearlyduringheightndingsaving1-2secondsoneachcut.PREFLOWONshould
remainactiveforatleast1secondafterCNCSTARTisapplied.ItisOKifitremainsonuntiltheendofthecut.
NeedtorecycleittobeginanewpreowpriortoapplyingSTARTforthenextcut.
Pilot On output –Relaycontactsrated1A@120VAC/28VDC.Contactsclosewhenpiloton.Canbewiredparallel
withOktoMovecontactstostartmachinemotionwhenpilotestablished.Usedwhenstartingoverholes.Starting
overholesrequiressettingSW8-1ON(up)ontheCPUPCBforextendedpilottime.Usingextendedpilottimeto
startoverholesorforcuttingoverholeswillreducepartslife.
OK to Move output—Activewhencuttingarcisestablished,arcistransferred.Usedtosignalcuttingtableto
startX-Ymotion.Relaycontactsrated1A@120VACor28VDCwhenSW6setforcontacts.WhenSW6issetfor
DCV,outputsupplies15-18VDC@100ma.MaybewiredparallelwithPilotOntostartcuttingmachinemotion
as soon as pilot established.