Miller Electric Axcess 450 manual Better Setup, Supporting separate voltage feedback to OM-220 389

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B. Better Setup

Current Flow Path

1Welding Power Source

2Electrode Cable

3Feeder Cable

4Work Cable

5Voltage Sensing Lead

	4
5	1
	1

Ref. 804 461-A

6	Wire Feeder	the welding power sources. The most
7	Workpiece	accurate voltage sensing may			not	be
		achieved due to voltage drops			in	the
This arrangement is a better setup for		workpiece.	This	may	require
		compensation in the welding parameters.

supporting separate voltage feedback to

OM-220 389 Page 26

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Contents OM-220 389J ProcessesDescription File Advanced Manufacturing SystemsFrom Miller to You Table of Contents − Troubleshooting Decstat1/07 DirectivesStandards Page Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-220 389 Disconnect input plug or power before working on machine − DefinitionsManufacturer’s Warning Label Definitions Keep your head out of the fumesWeee Label Symbols And Definitions I1maxI1eff Manufacturer’s Rating Label− Installation SpecificationsDimensions And Weight 17-3/32 in 434 mm 17-3/8 in 441 mm 19-3/32 in 485 mmDuty Cycle And Overheating Volt-Ampere Curves100% Duty Cycle At 450 Amperes OverheatingDo not stack units. Beware of tipping Connection DiagramSelecting a Location Rear Panel Receptacles And Supplementary Protectors Connecting To Weld Terminals Incorrect InstallationNetwork Wire Feeder Receptacle Functions Electrical Service GuidePin 50/60 HzDisconnect Device Input Power Connections Connecting Input PowerWelding Power Source Input Power Connections − Recommended Setup Procedures Selecting Weld Cable SizesWelding Circuit Gun TravelWCL Current Flow PathBest Using Multiple Welding Power Sources Bad Setup Wire Feeder Drop in the workpiece. The voltage dropBetter Setup Supporting separate voltage feedback to OM-220 389Best Setup PDA Port PC Port OM-220 389 Front Panel Switches− Operation Blowing Out Inside of Unit − MaintenanceRoutine Maintenance − Safety Precautions for Servicing Shock Hazard from testingServicing Hazards Exploding Parts can cause injuryCalifornia Proposition 65 Warnings − Troubleshooting Removing Cover and Measuring Input Capacitor VoltageStatus Diagnosis Process Control Module PC4 Diagnostic LED’sDiagnostic LED’s On Process Control Module PC4 Network And Module Status LED’s Network Status LED’s Module Status LED’sRed Circuit board is operating normallyTroubleshooting Trouble Remedy− Electrical Diagrams Circuit Diagram For Welding Power Source220 420-B − Parts List 16 − FigWindtunnel Assembly LH And RH Windtunnel Assembly LH And RH -1Item Top Tray Assembly Rear Panel Assembly Front Panel Assembly Dia Part Support ServiceYour distributor also gives To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s