Precision Plasma Power Source Electrical Schematic - ESAB PT-24 Installation, Operation And Maintanance Manual

SECTION 6

6.5 Precision Plasma Power Source Electrical Schematic

ZD3
180VAC
A B
K4
5 3
4
6
X13
X12
X11
X16
T3
X15
H7 H7
X14
7
X6
575V
1
H6 H6
X5
6
X8
460V
H5 H5
X7
5
X4
415V
H4 H4
X3
4
380V
H3 H3
3
X10
230V
H2 H2
X9
2
X2
200V
H1 H1
X1
1
T1
TB2
2
3 2 6
FNT
PNL
S1
ON/OFF
1 5
ZD1,180V
120VAC
K1
A
B
4
ØC
L3 T3
MOV2
610V
5
ØB
L2 T2
MOV1
ØA
610V
L1 T1
6
Line Load
T2-AH2
A
T2-BH2
B
T2-CH2
C
For CE units only
6-8
120 VAC 120 VAC
NEUTRAL NEUTRAL
4
1
M2
COOLANT
PUMP
J3 P3
8
18VAC
7
18VAC
6
5
18VAC
4
18VAC
3
2
24VAC
1
1
24VAC
2
3
24VAC
4
5
6
7
12VAC
8
9
120VAC
10
11
12
13
14
15
16
J4 P4
2 1
FS1
(COOLING
WATER)
CB1
2
1 2
3A
M1
1
CH7 T2
CH8
575V CH6
18
460V CH5
17
415V
CH4
16
380V CH3
15
230V
CH2
14
200V CH1
13
MOV3 BH7
BH8
610V
575V
BH6
12
460V
BH5
11
415V
BH4
10
380V
BH3
9
230V
BH2
8
200V
BH1
7
AH7
AH8
575V AH6
6
460V AH5
5
415V AH4
4
380V AH3
3
230V AH2
2
200V AH1
1
TB1
BR1-A
A
BR1-B
B
BR1-C
C
Precision Plasma with Integrated Flow Control -CE
PCB1
P10-5
ISOLATION AMPLIFIER AND
P10-3
P10-4 FAULT SIGNAL PCB
P2-10
38103
P2-9
P2-8 LED1 LED4 LED7
VOLTMETER
P2-16
INPUTS
P2-15
P2-14
P2-13
LED2 LED5 LED8
P2-12
P2-11
P2-5 LED3 LED6 LED9
P2-4
P2-2
P2-1
P3-1
P3-2
P1-3
P1-2
AM1
V1
AMMETER
VOLTMETER
P1-12
P1-11
P1-18
P1-17
CURRENT
ANALOG
VOLTAGE
P3-18(-)
P3-17(+)
PCB
TRIM POT
1 6
NOT USED ON
PRECISION PLASMA CONSOLE
J2
1 2 3 4 5 6 7 8
TB2-2
TB2-1
POWER MODULE #1
BR1-A
BR1-B
BR1-C
TROUBLESHOOTING
P2 J2
1
2
6
7
10
P7-1 5
P7-3
P1 J1
7
9
P4-1 1
START
P4-2 2
P4-7 3
FAULT
P4-8
8
P5-1
5
ARC ON
P5-2
6
P4-14
P4-13
P4-12
P4-11
P10-1
P10-2
P4-16
P4-15
P4-4
P4-3
P9-3
P9-1
P1-14
P1-13
P3-13
P3-12
P1-15
P1-16
P1
1 2 3 4 5 6 7 8 9 10 11 12
MOD1
Part 1
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