6
the indicator will automatically turn to current indicator on.
12.
Polarity select knob: AC/DCEP/DCEN exchange knob
13.
AC
（
）
indicator: it will be on when under AC function
14.
DCEP
（
DC
＋）
indicator: it will be on when under DCEP function(welding head terminal is +,work piece terminal is -)
15.
DCEN
（
DC
－）
indicator: it will be on when under DCEN function(welding head terminal is -,work piece terminal is +)
16.
Characteristic select knob: CC and CV mode exchange knob
17.
CC mode
（
）
indicator: it will be on when under CC mode(it is slow CC under remote control, sharp CC under
panel control)
18.
CV mode
（
）
indicator: it will be on when under CV mode(no such function under panel control)
19.
Control selection knob: remote control and panel control exchange knob.
20.
Panel control
（
）
indicator: machine under panel control when indicator on
21.
Remote control
（
）
indicator: machine under remote control when indicator on
4.2
Front bottom panel instruction
1. Remote control plug: power source remote control communication plug, the pin function of the plug as following
table:
2.Welding head
（
）
output terminal: connect with cable from welding head side
3.Work piece
（
）
output terminal: connect with cable from work piece side
Pin
Name
Function
Note
1
Remote control A
Start signal
Remote control and panel control affected by this signal
2
H
Power given signal
Together with pin 4 output 15V signal, inside power have
150Ω resistor
3
D
Power given signal
Input , resistor
＞
10MΩ
，
0
～
15V
4
L
Power given signal
Short connect with pin 12
（
GND
）
inside the machine
5
Remote control B
Start signal
Input together with pin 1(A) , back circuit current
＜
50mA
6
Arc volt.(work piece)
Arc
volt.
inspection
signal
Output
7
～
110VA
AC 110V
Output, isolate from the three phase input power, frequency
（
50Hz/60Hz
）
, power 250W
8
～
110VB
AC 110V
Output
9
Arc volt.(welding head)
Arc
volt.
inspection
signal
Input
10
PE
Connect shell
Not connect
11
I
Current feedback signal
Output ,welding current/current feedback signal =
（
1000A/4V
）
12
GND
Ground connect
Reference terminal for pin 3 and pin 11