SECTION 6
6.7 Precision Plasma Power Source Electrical Schematic
ZD3
180VAC
A
B
K4
5
3
COOLANT
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
2
TB2
3
2
6
FNT
PNL
S1
ON/OFF
1
5
ZD1,180V
120VAC
K1
A
B
4
ØC
T3
L3
MOV2
610V
5
ØB
L2 T2
MOV1
ØA
610V
L1 T1
6
6-10
120 VAC
120 VAC
NEUTRAL
NEUTRAL
1
4
M2
PUMP
P3
J3
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
BH7
MOV3
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
LINE LOAD
T2-AH2
A
A
B
B
T2-BH2
T2-CH2
C
C
FOR CE UNITS
ONLY
PT-24 Precision Plasma System IEFC-S -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
BR1-A
BR1-B
BR1-C
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
POWER MODULE #1
Part 1
1
TB4-1
2
3
4
5
6
7
8
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