Miller Electric D-74DX manual Pin Plug Information, Gun Recommendation Table, Pin Pin Information

5-4. 14-Pin Plug Information

			Pin*	Pin Information
			A	24 volts ac with respect to socket G.
I J	K	A	B	Contact closure to A completes 24 volts ac contactor control circuit.
			G	Circuit common for 24 volts ac circuit.
		B
H	N	L C	C	+10 volts dc input from power source to wire feeder with respect to socket D.
G	M	D	D	Remote control circuit common.
F	E
			E	0 to +10 volts dc output signal from wire feeder to power source with respect to socket D.
			H	Voltage feedback; 0 to +10 volts dc, 1 volt per 10 arc volts.
			F	Current feedback; 0 to +10 volts dc, 1 volt per 100 amperes.

*The remaining pins are not used.

5-5. Gun Recommendation Table

Process	Gun
GMAW − Hard or Cored Wires	Roughneck C-Series Guns: 300,
	400, 500, And 600 Amp.
FCAW − Self-Shielding Wires	FC-1260 Or FC-1150

5-6. Wire Type, Size, And Feed Speed Capability Table

Motor Speed	Wire Type	Wire Size	Feed Speed Capability
Standard	All	.023 To 5/64 in (0.6 To 2 mm)	50 To 780 ipm (1.2 To 19.8 mpm)
Standard	All	3/32 To 7/64 in (2.4 To 2.8 mm)	50 To 700 ipm (1.2 To 17.8 mpm)
Standard	All	1/8 in (3.2 mm)	50 To 300 ipm (1.2	To 7.6 mpm)
Optional High	All	.023 To 5/64 in (0.6 To 2 mm)	92 To 1435 ipm (2.3	To 36.4 mpm)
Speed
Optional Low	All	.023 To 1/8 in (0.6 To 3.2 mm)	19 To 300 ipm (0.4	To 7.6 mpm)
Speed

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