Tweco VA 4000S Ultra-Feed - Manual (Page 28)

ULTRAFEED VA 4000S
OPERATION 4-2 Manual No. 0-5135
4.02 Rear Panel Controls &Connections
11.6' CONTROL CABLE PLUG: The control cable connects
to the power source at the bottom 19-pin amphenol
connector (of which 14 pins are used). It contains the
signals required to allow the welding power source
and the Separation unit to work together as a system.
Refer to figure 4-2 and 4-4.
WARNING
The protective earth ground (pin G) of the
control cable is established only when the
power source is properly grounded. See the
power source owner’s manual for proper
grounding methods.
Control Cable
Pin
Function
A
Contactor + (Shorted to B to
turn on Power Source)
B
Contactor - (Shorted to A to
turn on Power Source)
C
Voltage Feedback ( 1 Volt is
10 Arc Volts), or ‘+’ Power
Source Terminal
D Not Used
E 115 VAC Hot
F 115 VAC Neutral
G Protective Earth Ground
H Remote Control Maximum
J Remote Control Signal
K Remote Control Minimum
L Control Circuit Common
M Arc Established (= +15 VDC)
N Power Source Select Line
P Not Used
R Not Used
S Not Used
T Not Used
U
Current Feedback (1 Volt is
100 Arc Amps)
V ‘-’ Power Source Terminal
Table 4-1: 19-Pin Control Cable Descriptions
CAUTION
The relay contacts between pins A and B have
a maximum rating of 1/3 Horsepower (HP),
115 VAC or 10A, 230 VAC.
If the power source only has a 5 pin amphenol and AC
voltage outlets, a 870000-001 adapter cable will be
required for proper hookup with the Ultrafeed VA 4000 S
wire feeder.
If the power source only has a 14 pin amphenol, a
870093B-001 adapter cable will be required for proper
hookup with the Ultrafeed VA 4000S wire feeder. Refer to
section 2.07 Options and Accessories.
Keyway
A M L
K U N B
C P V T J
H S R D
E F G
Figure 4-2: Pin Identification Male Plug