Miller Electric WC-115A manual Contact Closure Connections, Pin Pin Information

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3-9. Contact Closure Connections

A. 14-Pin Plug Information For Standard Contact Closure Connections

			Pin*	Pin Information
			A	Contact output signal.
I J	K	A
		B
H	N	L C	B	Input control to energize weld contactor. Contact closure to A completes 24 volts ac contactor
G	M	D		control circuit.
F	E

*The remaining pins are not used.

B.Optional Contact Closure Connections For Welding Power Sources Requiring 115 Volts AC For Contactor Operation

1	2	4
		5
	3
		6
		4
		Rear
	Tools Needed:
		1/4 in

1Contact Closure Interconnecting Cord

214-Pin Plug PLG5 Cut plug off.

3Twistlock Receptacle (Part No. 039 635 Or Hubbell Plug #7101 Or Equivalent)

Install customer-supplied receptacle onto cord. Polarity is not important.

4Terminal Strip 1T

5Terminal F

Disconnect white lead from terminal G, and reconnect to terminal F.

6 Jumper Link

Install jumper link between terminals G and H.

Connect twistlock receptacle to contactor control plug on welding power source.

Reinstall wrapper.

Ref. 150 803-B

OM-1078 Page 14

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Contents OM-1078142 862L ProcessesDescription From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers LES Décharges Électriques peuvent être mortelles Signification des symboles− Consignes DE Sécurité − À Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LE Bruit peut affecter l’ouïe’EMPLOI Excessif peut Faire Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser LES Pièces Mobiles peuvent cau- ser des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques Typical Process Connections − InstallationSpecifications Weld Output Terminals And Selecting Cable SizesGun/Feeder Connections Work . Contactor cord only on standard model Input Power Connection Weld Cable ConnectionsPin Pin Information Remote Contact Closure Connections Pin Pin InformationContact Closure Typical Settings For 4043 Aluminum On 1/8 in MaterialVolt Model Controls − Maintenance & Troubleshooting− Operation Shielding GasTroubleshooting Overload Protection− Electrical Diagram Circuit Diagram− Parts List Complete Assembly Of WC-115ADia Part Description Quantity Mkgs OM-1078 Service SupportOwner’s Record Miller Electric Mfg. Co

3-9. Contact Closure Connections

Pin*

Pin Information