CIGWELD TRANSTIG 300 AC/DC, Service Manual, Page: 25 / 134

SERVICE MANUAL TRANSTIG 300 AC/DC
June 30, 2008 4-1
SECTION 4:
OPERATOR CONTROLS
4.01 Transtig 300 AC/DC Controls
1
3
2
5
4
8
6
7
A r t # A-07444_AC
Figure 4-1: Transtig 300 AC/DC Power Source
1. Control Knob: This control sets the selected weld
parameter, rotating it clockwise increases the
parameter that is indicated on the digital meter.
Pushing the knob inward displays the actual welding
voltage.
2 . Remote Control Socket: The 14 pin Remote
Control Socket is used to connect remote current
control devices to the welding Power Source. To
make connections, align keyway, insert plug, and
rotate threaded collar fully clockwise.
A J
B K I
C L N H
D M G
F E
A B C
E
Front view of 14
Socket Receptacle
5k ohms
A r t # A-07653_AB
D E F H I J K L M N G
Figure 4-2: 14-Socket Receptacle
Socket
Pin
Function
A
Torch Switch Input (24V) to (connect
pins A & B to turn on welding current).
Torch Switch Input (0V) to energize
weld
B current (connect pins A & B to turn on
welding current).
C
5k ohm (maximum) connection to 5k
ohm remote control potentiometer.
D
Zero ohm (minimum) connection to 5k
ohm remote control potentiometer.
E
Wiper arm connection to 5k ohm
remote control potentiometer.
G Mains Earth.
F,H,I,J,
K,L
Not Used.
M
OK to move current detect signal for
robotics applications.
N
OK to move current detect signal for
robotics applications.
Table 4-1: Socket Pin Functions