14-Pin Plug Information; Gun Recommendation Table; Wire Type, Size, And Feed Speed Capability Table - Miller Electric S-74DX Owner's Manual

5-3. 14-Pin Plug Information

J J A A
K K
I
B
L L
H N
C
M M
G G D D
F F
E E
*The remaining pins are not used.

5-4. Gun Recommendation Table

Process
GMAW − Hard or Cored Wires
FCAW − Self-Shielding Wires

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

Motor Speed Wire Type
Standard All
Standard All
Standard All
Optional High
All
Speed
Optional Low
All
Speed
Pin*
A 24 volts ac with respect to socket G.
B Contact closure to A completes 24 volts ac contactor control circuit.
G Circuit common for 24 volts ac circuit.
C +10 volts dc input from power source to wire feeder with respect to socket D.
D Remote control circuit common.
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.
Gun
Roughneck C-Series Guns: 300,
400, 500, And 600 Amp.
FC-1260 Or FC-1150
Wire Size
.023 To 5/64 in (0.6 To 2 mm)
3/32 To 7/64 in (2.4 To 2.8 mm)
1/8 in (3.2 mm)
.023 To 5/64 in (0.6 To 2 mm)
.023 To 1/8 in (0.6 To 3.2 mm)
Pin Information
Feed Speed Capability
50 To 780 ipm (1.2 To 19.8 mpm)
50 To 700 ipm (1.2 To 17.8 mpm)
50 To 300 ipm (1.2 To 7.6 mpm)
92 To 1435 ipm (2.3 To 36.4 mpm)
19 To 300 ipm (0.4 To 7.6 mpm)
OM-1500-9 Page 13