14-Pin Plug Plg12 Information; Gun Recommendation Table; Wire Type, Size, And Feed Speed Capability Table; Installing Drive Rolls - Miller Electric S-75D Owner's Manual

5-3. 14-Pin Plug PLG12 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
Low All

5-6. Installing Drive Rolls

4
3
2
1
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
Q-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)
.023 To 1/8 in (0.6 To 3.2 mm)
Pin Information
Feed Speed Capability
50 To 1400 ipm (1.3 To 35.6 mpm)
20 To 400 ipm (0.5 To 10.1 mpm)
1 Pressure Assembly Door
2 Drive Roll
3 Ejector Button
4 Drive Roll Carrier
Installation
Open pressure assembly door.
Align drive roll slots with three lobes
on drive roll carrier.
Insert drive roll onto carrier. Drive
roll will snap into place.
Removal
.
Must remove PD wire guide be-
fore removing lower drive rolls.
Lift up drive roll swing arm and
press ejector button in middle of
drive roll carrier.
.
If ejector button does not re-
turn to normal position (out),
install a drive roll and ejector
button will pop out.
804 187-A
OM-223 605 Page 13