Appendix 6: System Schematic, 400/600V Units - ESAB A120 Operating Manual

CUTMASTER A120

APPENDIX 6: SYSTEM SCHEMATIC, 400/600V UNITS

SW1 SW1
1 3
2 4
*
EMI
CHOKE
*
CE UNITS
ONLY
*
EMI
FILTER
W1 W1
L1
1 1
L1
L2
2 2
L2
L3
3 3
L3
GND
4 4
L4
380/400/415V
OR 600V
3 PH AC INPUT
PRIMARY POWER CONNECTIONS:
USE L1, L2, L3 & GND
MOT1 MOT1
FAN
+ -
SOL 1 SOL 1
5
W1 W1
6
SERIAL PORT
MOT2 MOT2
FAN
MOT3 MOT3
FAN
A-09130new
A-10
J1 J1
1
2
BIAS
3
SUPPLY
4
5
INRUSH
+12VDC RESISTORS
+
TP2 TP2 MTH1 MTH1
K1 K1
/INRUSH
D1
TP8 TP8 MTH7 MTH7
_
AC1 AC1 80A_AC1 80A_AC1
7
T1
AC2 AC2 80A_AC2 80A_AC2
8
T2
9
AC3 AC3 80A_AC3 80A_AC3
T3
7A
T4
+12VDC
J7 J7
1
2 /FAN
J5 J5
1
2
/SOLENOID
3
24VAC
J6 J6
1
24VAC RET
2
J14 J14
J4 J4
SYNC
3.3VDC
1
TXD
2
RXD
3
1 /OVERTEMP
4
2 /FAN_ON
D
5
3 /CSR
4 CUR_SET
5 MAIN_PCB_ID
6 COMMON
J13 J13
FERRITE
+12VDC
FILTER
J2 J2
1
2
J3 J3
J4 J4
+12VDC
+12VDC
J1 J1
1
J9 J9
2 /FAN
SYNC
AC1 AC1 40A_AC1 40A_AC1
J2 J2
AC2 AC2 40A_AC2 40A_AC2
1
2
AC3 AC3 40A_AC3 40A_AC3
PMTH1 PMTH1 PMTH1 PMTH1
+
D1
PMTH4 PMTH4 PMTH4 PMTH4
_
PCB5
40/50 AMP PCB
APPENDIX
+12VDC
BIAS
SUPPLY
+ C3,C4,C7,C8* + C3,C4,C7,C8*
C5,C6,C9,C10* C5,C6,C9,C10*
+ +
C16-17 C16-17 + +
PCB2
INPUT CAPACITOR PCB
*CM102/35mm/A80
C7 & C10 may not be installed C12-13 C12-13
PRI 3 PRI 3
C
B
PRI 2 PRI 2 PRI 2 PRI 2
A
PRI 1 PRI 1
PRI 1 PRI 1
+
MTH2 MTH2 TP1 TP1
Q1
MTH4 MTH4 TP5 TP5
MTH8 MTH8 TP4 TP4
TP3 TP3
MTH6 MTH6
Q2
_
PCB1
MAIN PCB ASSY
PRI 1 PRI 1 PRI 2 PRI 2 PRI 3 PRI 3
A B C
+
Q1
PMTH2 PMTH2 PMTH2 PMTH2
PMTH3 PMTH3 PMTH3 PMTH3
Q2
+ +
_
0-5430
T1 T1
PRI 4 PRI 4
D
T2 T2
PRI 4 PRI 4
D