Thermal Arc 300GTSW Pro-Wave, Service Manual

Page: 116 / 130

pro-wave 300gtsw
A-6
June 21, 2012
1
3
CN24
1
3
CN18
R2
G
R
S
T
C1
Orange
Black
White
(Bus Bar)
–
+
2
3
1
CN13
CN2
Ground
PCB1-1
Main Circuit Board
(PCB1)
TB3 TB4 TB5 TB6 TB1
TB12
TB2
7
4
1
CN16 CN16
CN17 CN17
CN15 CN15
CN6
2
1
4
CN14
5
4
2
1
CN8
1
3
5 CN4
80V
PK
From FCH (Brown)
300V
PK
Pulse (Yellow)
300VDC Supply Common –0V
15V Pulse (Red)
PCB Common 0V (Blue)
Line 3 (Black)
Line 2 (White)
Line 1 (Red)
Thyristor Cathode (Black)
Thyristor Gate (White
)
Thyristor Anode (Orange)
IGBT Gate Drive - G2 (White
)
IGBT Gate Drive - E2 (Red)
IGBT Gate Drive - E1 (Black)
IGBT Gate Drive - G1(White
)
IGBT Gate Drive - G6 (White)
IGBT Gate Drive - E6 (Black)
IGBT Gate Drive - G5 (Blue)
IGBT Gate Drive - E5 (White)
IGBT Gate Drive - G3 (White
)
IGBT Gate Drive - E3 (Orange)
IGBT Gate Drive - E4 (Black)
IGBT Gate Drive - G4 (White
)
Output Voltage Detect (White
)
Output Voltage Detect (Black)
HF Unit ON/OFF (Gray)
Thermal Detect (Black)
Thermal Detect (Black)
+12VDC
Secondary IGBT Gate Drive
Secondary IGBT Gate Drive
Secondary IGBT Gate Drive
Secondary Overvoltage Signal
PCB Common – 0V
(Bus Bar) (Bus Bar) (Bus Bar) (Bus Bar)
(Black) (Black)
(White
)
(White
)
L1
FAN1
SOL1
5
4
2
1
CN9
1
2
3
4
CN1
1
3
5 CN5
5
3
1
CN7
2
1
TH1
CN10
1
4
CN26
3 1
CN1
Input Diode
Bridge (D1)
1 2 4 5
PCB2
PCB4
E2
C2E1
C1
G1 E1 G2 E2
E2
C1
1 2 4 5
PCB3
PCB5
E2
C2E1
C1
IGBT
Inverter
(Q2)
IGBT
Inverter
(Q1)
380/415VAC Single-Voltage
Three-Phase
G1 E1 G2 E2
E2
C1
C21E1 C21E1
(Red)
(White
)
250VAC (Brown)
250VAC (Orange)
E
CN22
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
CN21
1
2
CN4
1
4
CN5
15
14
13
12
11
10
9
8
5
4
3
2
1
CN23
1
2
3
4
+24VDC (Red)
PCB Common – 0V(Black)
Gas ON/OFF Control (Yellow)
Gas ON/OFF Control (Violet)
6
5
4
3
2
1
CN3
F
To
PCB6
CN5
G
H
P
E
E
S
N
I
J
K
1
2
4
5
IGBT Inverter Q3/Q4 Driver
(PCB8)
CN2
MCB
Black
White
Red
Line 1
Line 3
Line 2
(Gray)
(Black)
(Black)
0V
125V
0V
125V
0V
115V
0V
115V
0V
115V
0V
115V
T3
Art # A-06167
CON1
(Front View)
1
8
3
2
4
5
6
7
1 2 3 4 5 6 7 8
Case Ground (Brown)
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)
CN3
8
7 6
3 5 4
2 1
CN6
1
2
Digital Panel Meter
(PCB7)
(Optional
)
Front Panel
(PCB6)
CN2 CN2
CN1 CN1
E
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
6
5
4
3
2
1
CN5
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)
(Blue)
(Gray)
(Blue)
(Gray)
2
1
CN4
Output Short Detect (White)
Output Short Detect (Black)
Case Ground (Green)
+12VDC (Brown)
–12VDC (Red)
Output Current Detect - 0V to –4V (Orange)
Ground (Yellow)
(Black)
(Yellow)
(Gray)
T1
A C
D
E B
A C
D
E B
T2
1 2
3
4
CT1
C6
C7
C8
+
Output
Filter
Network
–
R7
CC
FCH1
W X
AC1
AC2
CC2 CC1
R2 R1
R1
HF Unit
FCH2
Z Y
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
(White)
(Blue)
(Black)
(White)
D2
R2 C2
D3
R3 C3
A K
A K
D4
R4 C4
D5
R5
R6
C5
A K
A K
P
(Brown)
S
N
1 2 4 5
PCB9
IGBT
Q3
IGBT
Q4
PCB10
E2 C1
C2E1
F
To
PCB8
CN3
G
H
I
J
K
C2E1
C1
G1
E1
G2
E2
E2
C2E1
C1
G1
E1
G2
E2
E2
Art # A-06167
APPENDIX 4: 380/415VAC SINGLE-VOLTAGE THREE-PHASE