43
MANUAL 0-2512
CON1
(Front View)
6
7
1
3
2
4
5
1 2 3 4 5 6 7 8
Case Ground (Brown)
Contactor Control 1 / GND (Red)
Contactor Control 2 / +24VDC (Orange)
Amperage C12VDC (Yellow)
GND (Blue)
Amperage Maximum (Violet)
Amperage Control Wiper 0-4VDC (Gray)
Case Ground (Green)
E
CN3
8
7
6
3
5
4
2
1
CN6
1
2
Digital Panel Meter
(PCB7)
(Optional)
Front Panel
(PCB6)
CN2
CN2
CN1
CN1
Tripping Relay Control
Input Changeover Switch
Input Changeover Switch
Thyristor Gate Drive
Pre-charge Control
PCB Common - 0V
Undervoltage
Overvoltage
Reset Signal
+12VDC
PCB Common - 0V
Input Voltage Detect
12
11
10
9
8
7
6
5
4
3
2
1
CN9
Thermal Control
Thermal Control
Output Voltage Detect
Output Voltage Detect
Output Current Detect
PCB Common - 0V
–12VDC
+5VDC
+5VDC
PCB Common - 0V
+12VDC
11
10
9
8
7
6
5
4
3
2
1
CN7
Torch Control (Pink)
Torch Control (Yellow)
2
1
CN4
Case Ground (Green)
Output Short Detect (Black)
Output Short Detect (White)
Ground (Yellow)
Output Current Detect - 0V to –4V (Orange)
–12VDC (Red)
+12VDC (Brown)
T1
A
C
D
E
B
A
C
D
E
B
T2
1 2 3 4
D2
R2
C2
CT1
FCH
C6
C7
C8
+
Output
Filter
Network
–
R7
C
AC1
AC2
CC2
CC1
R2
R1
R1
HF Unit
D3
R3
C3
Input 1/3 Phase Detect
Input Changeover Control
+12VDC
PWM Gate Drive
PWM Gate Drive
Input Changeover Control
Input Changeover Control
Torch Switch Control
Output Short Circuit Detect
PCB Common - 0V
Primary Current Detect
Primary Current Detect
Primary Current Detect
15
14
13
12
11
10
9
8
5
4
3
2
1
CN8
A
K
A
K
(Blue)
(Gray)
APPENDIX B
INTERCONNECTION DIAGRAMS
Summary of Contents for 400GTS CC/TIG
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