Thermal Arc ARCMASTER 200 TS, Service Manual

Page: 25 / 96

4
OPERATOR CONTROL
4 – 1
1
ARC MASTER 160TS
Controls
Figure 4-1: ARC MASTER 160S 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 8 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.
Figure 4-2: 8-Socket Receptacle
Table 4-1: Socket Pin Functions
320
130
260
15
1
3
6
2
5
4
Socket
Pin
Function
1 Earth (Ground).
2
Torch Switch Input (24V) to
(connect pins 2 & 3 to turn on welding current).
3
Torch Switch Input (0V) to energize weld
current
(connect pins 2 & 3 to turn on welding current).
4
Connect pin 4 to pin 8 to instruct machine that
a remote current control device is connected
(12V DC supply).
5
5k ohm (maximum) connection to 5k ohm
remote control potentiometer.
6
Zero ohm (minimum) connection to 5k ohm
remote control potentiometer.
7
Wiper arm connection to 5k ohm remote control
potentiometer.
8
Connect pin 4 to pin 8 to instruct machine that
a remote current control device is connected
(0V).
2 1
5 4 3
6 7 8
Front view 8-Socket Receptacle
1 2 3 4 5 6 7 8
5k
Ohms
GND