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Table of Contents◗WEB GUIDING CONTROLSWeb ProductsAE 120 WEB GUIDE CONTROLLERThe brains of the Nexen Web Guiding SystemsAmplifier for AutomaticWeb PositioningWeb position information fromthe sensor is fed to a webguide controller or amplifier.The amplifier contains a SCRmotor control which will drive anelectrical linear actuator tocorrect the web positionthrough the moveable roll standor the guide roll mechanism.The primary purpose of theamplifier is automatic positioningof the web in the sensor.Amplifier AuxiliaryFunctionsAutomatic Centering to movethe roll stand or guide roll to itsmidpoint or neutral positionduring rewebbing.Over Travel Alarm to indicatewhen the linear actuator hasreached its maximum travellimit without being able toposition the web.Remote Position Readout togive a visual indication of webposition at a remote location oras data input to a PC or PLC.Amplifier SpecialControl RequirementsSpecial Auxiliary controls include:A Remote Fine Tuning controlto allow minute adjustment theof web position without havingto physically move the sensor.A Remote Operators Stationto allow remote switching of theautomatic and manual functionsof the amplifier during initialtuning and running.A Remote Position LockingControl to lock the linear actuatorat any position in its travel.AE 120 WebGuide ControllerProduct Number 912674Precise edge or centerpositioning control for allopaque web guidingapplications.The AE 120 Web GuideController is an electroniccontroller that correctlypositions moveable roll standsor guide roll assemblies used inweb printing or web convertingoperations. It is the controllerfor Nexen’s Self-Contained WebGuides and can also be used asa stand-alone controller in edgeor center positioning controlapplications.Compact and fully featured.It’s only 7.5 inches (191mm)wide by 2.25 inches (57mm)high, by 10 inches (254mm)deep, yet the AE 120 totallycontrols edge and center webpositions within 0.004 inches(0,01mm) .You choose the operatingmode and input signals thatbest suit your application.It’s part of the Self-Contained Web Guidepackage.The AE 120 is the controller forNexen’s Self-Contained WebGuides. It uses a proximity sensorsignal to automatically centeryour guide roll assembly ormoveable roll stand.It’s also a stand-aloneweb guide controller.The Controller also acceptsseveral types of input signalsand can send signals to variousactuating devices. This makes ita compact and flexible additionto any edge or center positioningweb guide system.Controls edge positionswithin 0.004 inches(0,01mm).Nexen’s opaque or ultrasonicsensor provides the edgeposition signals to the AE 120.Mount a single sensor on oneside of the web with its measuringcenter aligned with the desiredweb edge position. This maintainsthe edge of the web at themeasuring center of the sensor.Controls centerlinepositions within 0.004inches (0,01mm).Mount two sensors equallyspaced from the centerline ofthe machine. This maintainsalignment of the web to thecenter of the machine.Accepts input signalsfrom 5 sources.Nexen’s AE 120 accepts signalsfrom 5 external sources.This eliminates duplicatingelectronics if you need differentinput signals. One of theprimary signal sources is requiredfor operation. Auxiliary signalsources are optional.Primary signal sources include:• Opaque or ultrasonic sensorAuxiliary signal sources include:• Centering sensor (proximity sensor)• Customer-supplied 10K ohmremote fine adjustment pot• Customer-supplied lock-outswitch to momentarily disablethe auto correction mode• Customer-supplied travel limitswitchesOperates in threedifferent modes for easy,flexible operation.Simply flip a switch to choose oneof these three operating modes:Automatic — constantly drivesan actuator to reduce error tozero. This keeps your webposition left, right or centered,depending on configuration ofedge guide sensors. Use thismode for normal running conditionsfollowing set-up and calibration.Manual — allows you tomanually steer the mechanismto the right or left. Disregardsautomatic settings. Use this modefor complete manual override.Auto-Centering— automatically centers theweb using a proximity sensor.Locks down the equipment forsafe control. Use this mode formachine set-up, calibration oras a system “stand-by.”322
Table of ContentsWeb ProductsWEB GUIDING CONTROLS ◗AE 120 WEB GUIDE CONTROLLERAE 120 Web Guide Controller• Operates as a stand aloneunit, or included as an onboardcontroller for NexenSelf-Contained Web Guides• Easy to install and calibrate• Accepts opaque edge orultrasonic sensor inputSensor SelectSwitchEdge positionor centerposition controlError IndicatorEnd of Travel IndicatorThis lamp lights whenguide roll or roll standhas moved to the endof its travel limit orwhen travel limitswitches are actuatedMode SwitchManual, automaticor auto-centeringoperation• Remote control optionManual Operation SwitchesFine Adjustment• Lock-out switch provision• Strain-relief clamps-eliminates disconnects.SpecificationsModelAE 120 Web Guide ControllerProduct Number 912674Power Supply Voltage 100 to 240 VAC (continuous input), 50/60 HzPower Consumption 100 VAStandard Line Follower LH100Standard One or Two Ultrasonic UH21 or Infrared LED PH16ExternalPosition SensorInputCentering Sensor: Proximity SensorFine Adjuster: OptionalLock-out Switch: N.O. 250mA, 15 DC, 1 mA (Customer supplied)Limit Switches: N.C. (Customer supplied)DC Motor: 24 V DC, 1.3 AOutputLamp Power Supply: 12 V DC, 1.8 WEnd of Travel: Dry Contact, Rated 0.1 A, 250 V AC, 0.1 A, 24 V DCAmbient Temperature 32 to 122° F. (0 to 50° C)Dimensions323
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Table of ContentsPRODUCTCAT ALOG10-
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Table of Contents◗PRODUCT NUMBER
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Table of Contents◗FAMILY OF PRODU
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Table of Contents“Air Champ” ®
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Table of Contents◗APPLICATION GUI
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Table of ContentsWeb ProductsGUIDE
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Table of Contents◗ MICRO FRICTION
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Table of Contents◗“Air Champ”
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Table of ContentsWeb ProductsIn acc
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Table of ContentsWeb ProductsTENSIO
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Table of ContentsWeb ProductsHousin
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Table of Contents◗ AIR PRESSURE C
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Table of ContentsEclipse SERVOMOTOR
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Table of ContentsEclipse SERVOMOTOR
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Table of ContentsEclipse LINEAR MOT
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Table of ContentsEclipse NEMA AC MO
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Table of ContentsEclipse METRIC AC
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Table of Contents◗ BW MODEL BRAKE
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Table of Contents◗CALIPER BRAKES
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Table of Contents◗CALIPER BRAKESS
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Table of Contents◗DRUM BRAKES“A
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Table of ContentsDRUM BRAKES “Air
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Table of ContentsDRUM BRAKES “Air
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Table of Contents◗HEAVY DUTY BRAK
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Table of Contents◗METRIC BRAKES
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Table of Contents◗BRAKESWeb Produ
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Table of Contents◗TENSION CONTROL
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Table of Contents◗CLUTCH/BRAKES
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Table of Contents◗CLUTCH/BRAKESFM
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Table of Contents◗CLUTCH/BRAKESA
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Table of ContentsCLUTCH/BRAKES “A
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