Miller Electric NT 456 CV manual Volt-Ampere Curves, CC Mode, CV Mode, 100 200 300 400 500 600

Page 17

4-3. Volt-Ampere Curves

A. CC Mode

Volt-ampere curves show mini- mum and maximum voltage and amperage output capabilities of unit. Curves of other settings fall be- tween curves shown.

 

90

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

60

 

 

 

 

 

 

Voltage

50

 

 

 

 

 

 

40

 

 

 

 

 

 

DC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

100

200

300

400

500

600

DC Current

B. CV Mode

 

90

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

Voltage

50

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

DC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

0

100

200

300

400

500

600

700

800

DC Current

va_curve1 − 4/95 − 212 111-A / 212 112-A

OM-2243 Page 13

Image 17
Contents Processes OM-2243212 113TDescription File MultiprocessFrom Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion 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-2243 − Definitions Nameplate Safety SymbolsDuty Cycle And Overheating − InstallationSpecifications CV Mode CC ModeVolt-Ampere Curves 100 200 300 400 500 600Movement Location Selecting a LocationWeight Dimensions And WeightsDimensions Turn Off power before connecting to receptacle Be careful when placing or moving unit over uneven surfacesTipping VAC Receptacle And Circuit BreakersWeld Output Terminals And Selecting Cable Sizes Connecting Weld Output CablesTurn off power before con Connecting Remote ControlRemote 14 Receptacle Information SocketPlacing Jumper Links Electrical Service GuideWelding Power Source Input Power Connections Connecting Input PowerDisconnect Device Input Power Con- nections = GND/PE Earth GroundControls − OperationMeter Functions For CC/CV Models Touch Seconds Do not Strike Like a Match Lift-Arc TIG Procedure For CC/CV ModelsRoutine Maintenance − Maintenance & TroubleshootingDisconnect power before maintaining Disconnect input power be- fore opening rear access doorVoltmeter/Ammeter Help Displays HE.LTrouble Remedy TroubleshootingCircuit Diagram For NT 456 CC/CV Models − Electrical DiagramMain Assembly − Parts ListTHERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead 14 12 274 Panel, Front With ComponentsPanel, Front With Components -1Item IGBT/Capacitor Assembly 221 IGBT/Capacitor Assembly -1itemPanel, Rear With Components Support ServiceYour distributor also gives Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s