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

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