Installation, Analog control cable, Control cable connections – Lincoln Electric IM872 LF-74 WIRE FEEDER User Manual
Page 14
A-6
INSTALLATION
LF-74
A-6
ANALOG CONTROL CABLE
CONTROL CABLE CONNECTIONS
K1797-xx
The control cable connecting the wire feeder to the
power source is specially made for the welding envi-
ronment.
The wire feeder power requires overcurrent protec-
tion. Connect the wire feeder only to power sources
with overcurrent protection of no more than 15 amps.
PIN
FUNCTION
LEAD#
A
Reserved
-------
B
Reserved
-------
C
Welding Output Control
2
(trigger from feeder)
D
Welding Output Control
4
(trigger from feeder)
E
Remote Voltage Control
77
(“+” supply from feeder or remote)
F
Remote Voltage Control
76
(control signal from feeder or remote)
G
Remote Voltage Control
75
(“-” supply from feeder or remote)
H
Reserved
I
42 VAC
41
J
Reserved
K
42 VAC
42
L
Reserved
M
Reserved
-------
N
Electrode voltage from feeder
67
Do not use more than 100 ft (30.5 m) of control cable
between the wire feeder and power source.
A
B
C
D
I
E
F
G
H
J
K
L
M
N
A
I
H
G
B
F
E
D
C
J
K
N
M
L
WIRE FEEDER
POWER SOURCE