Miller Electric HF-251-2 manual Power Source Plug Information And Connections, Amperage Control

Page 15

NOTE

The supplied cord with plugs is for use with CC or CC/CV welding power sources having the proper, matching 14-pin receptacle. Do not use cordset on machines without the 14-pin receptacle.

3-4. Power Source Plug Information And Connections

Connect Remote 14 Plug PLG4 if remote contactor and/or remote amperage control from the HF unit are desired.

3

1

2

5

J A

I K B

H N L C

GM D

F E

4

YTurn Off HF Unit and welding power source, and discon- nect input power before making connections. Stop engine on welding genera- tors.

1Six-Pin Power Source Block Plug PLG2

2Supplied Six-Pin Receptacle RC2

3Strain Relief Clamp

4Remote 14 Plug PLG4

5Keyway

To Connect PLG4 to Remote 14 re- ceptacle on the welding power source, align keyway, insert plug and tighten threaded collar.

6	5	4
3	2	1

The following pin information is included in case the supplied cord is not suitable, and it is necessary to wire a receptacle to interface with plug PLG2.

Front View

Of PLG2

		Pin*	Pin Informaton


	Remote	1, 2	Provides contact closure for Output (Contactor) operation.
	Contactor Control	1, 2	Provides contact closure for Output (Contactor) operation.
	Contactor Control
	Remote	3	Amperage control connection − maximum side.
	Remote	4	Amperage control connection − wiper contact.
	Amperage Control	4	Amperage control connection − wiper contact.
	Amperage Control	5	Amperage control connection − minimum side.
		5	Amperage control connection − minimum side.

*The remaining pin is not used.

159 645-A / Ref. S-0004-A / S-0283-A

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OM-611 Page 11

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Contents OM-611 ProcessesDescription From Miller to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Identifie un message de sécurité particulierLE Bruit peut affecter l’ouïe LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LES Pièces Chaudes peuvent cau- ser des brûlures gravesLES Pièces Mobiles peuvent cau- ser des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut FairePrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques − Installation SpecificationsTypical Process Connections IN-GAS-OUT Installing Gas SupplyAmperage Control Power Source Plug Information And ConnectionsOperator Control Receptacle Information And Connections Operator Control Receptacle Socket InformationSocket Electrode Electrode OUT Work INPUT/OUTPUT Connecting To Weld Output TerminalsConnecting Input Power Controls High Frequency SwitchHigh Frequency Selector Switch − OperationShielding Gas Power Switch And Pilot LightPostflow Timer High Frequency Intensity ControlRoutine Maintenance Months − Maintenance & TroubleshootingAdjusting Spark Gaps Trouble Remedy TroubleshootingCircuit Diagram For 115 Volts Model − Electrical DiagramsCircuit Diagram For 230 Volts Model Weld Zone Incorrect Installation− High Frequency Welding Processes Requiring High FrequencyCorrect Installation Metal BuildingMetal Building Requirements AC − Argon AC − Argon − Amperage Range Gas Type PolarityPreparing Tungsten For Conventional AC Welding − Guidelines for TIG Welding GtawPreparing Tungsten Electrode For Welding Positioning The TorchTungsten With Filler Rod Torch Movement During WeldingPositioning Torch Tungsten For Various Weld Joints Tungsten Without Filler RodReturn To Table Of Contents Complete Assembly Part 1 of 2 115V Model − Parts ListComplete Assembly Part 1 Complete Assembly Part 2 of 2 115V Model Complete Assembly Part 2 Page Page Page Support ServiceMiller Electric Mfg. Co Owner’s Record