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ELECTRICAL DIAGRAMS
G-8
PRO-CUT 80
SCHEMATIC - OUTPUT PC BOARD
OCI1
Vcc
GND
HP2201
5
8
NOZZLE
CHASSIS
ELECTRODE
J32
10
400V
.1
C33
15W
1.5K
R51
A1
C
A
T12705-56
5
6
B12
15W
1.5K
R53
15W
1.5K
R66
C34
15W
1.5K
R52
15W
1.5K
R50
15W
1.5K
R65
A1
C
A
T12705-56
1
2
3000V
.0047
C37
3000V
.0047
C30
180J
480V
TP3
180J
480V
TP2
2000V
.0015
C3
D28
3A
1000V
180J
480V
TP1
B11
3000V
.0047
C36
A1
C
A
T12705-56
3
4
+
t
60V
7
R64
3000V
.0047
C4
3000V
.0047
C26
J31
10
P1
MAIN
TRANSFORMER
+15V
-2V
J34
6
C23
J34
2
J32
1
J30
5
CR1
6
8
4
15W
56
R3
12VAC
XFMR
AUX
1
J32
TO: CONTROL BOARD
7
8
14
SOLENOID,
5
1
10
TO: TORCH,
6
J31
CHASSIS
AC POWER
1
6
3
J30
4
TO: CONTROL
3
4
BOARD
2
1
J33
J34
4
5 8
1
TO: AMPHENOL
+15V
511
CONTROL
ENABLE FROM
ON = ENABLE
SOLENOID
BOARD
S2 MAIN WINDING
(14:13)
(WORK)
J31
9
15W
80
R63
SOLENOID ENABLE
J30
6
15J
50V
TP5
D3
J30
3
D2
1000
35V
C18
D4
CHASSIS
LED2
J30
2
J32
8
D5
D10
CNY17-3
OCI2
42
1
6
5
3.92K
R12
SUPPLY
POWER
AUX
221K
R13
CIRCUIT (AIR)
1.50K
R8
475
R31
1.50K
R6
3000V
.0047
C27
1.21K
R10
50V
820p
C12
C20
1W
12V
DZ8
AUX
CHASSIS
+17V
+17V
REMOTE
TO
TRIGGER
J34
1
J32
11
J32
12
ELEC
SOLENOID
L
10918
CONTROL BOARD
TRANSFER SHUNT
SIGNAL TO
CR1
REMOTE
SIGNAL
CHOKE
B1
ISOLATION BETWEEN CIRCUITS ( MINIMUM 0.20'' )
J34
4
C35
2000V
.0015
C15
A1
C
A
T12705-56
7
8
1W
15V
DZ10
PILOT
PILOT
0.001
R18
1W
15V
DZ9
511
R2
15W
200
R38
1.0
35V
C2
A2
E
C
G
J34
3
AUX
24VAC
XFMR
ON = ENABLE
+15V
511
CONTROL
ENABLE FROM
BOARD
PILOT
EACH
J32
4
J32
9
J32
6
J32
7
J30
4
J32
13
J30
1
15W
2.5K
R23
15W
2.5K
R25
J31
3
2000V
.0015
C1
D29
3A
1000V
G
C
E
45A
1200V
Q6
FILE NAME: L10918_1A1
221K
R27
COMCOM
COM
+17V
AUXAUX
+17V
AUX
+17V
TRIGGER
TRIGGER
AUX
825
R56
332
R7
D6
D25
LED3
1.21K
R11
CIRCUIT
600V
.05
C31
600V
.05
C32
D26
LED5
1.21K
R24
50V
820p
C17
C24
1W
12V
DZ7
100V
1A
Q7
20J
75V
TP4
3A
600V
D24
D14
3A
600V
D18
100
50V
C14
LED1
OCI1
HP2201
7
OCI1
HP2201
2
3
D16
1.00K
R60
10W
160
R21
D17
50V
50
C13
D23
3.74K
R61
4.75K
R30
10W
100
R35
1
2
5.11K
R59
D21
1W
12V
DZ11
D15
1W
12V
DZ12
5W
15V
DZ3
D19
D20
3.32K
R22
D9
-2V
on board
EACH
REMOTE
on board on board
Labeled X2
P3
EACH
Labeled X4
FEEDBACK
VOLTAGE
WORK
EACH
P2
(26:26)
on board
Labeled X40
(NOZZLE)
P4
+17V
J31
7
C38
1N4936
D12
J31
5
TRIGGER SIGNAL
OPEN = TRIGGER OFF
SHORTED = TRIGGER ON
TO CONTROL BOARD
+15V
511
CONTROL
ENABLE FROM
ON = ENABLE
SOLENOID
BOARD
AIR
SOLENOID
CIRCUIT (ELECTRODE)
SOLENOID ENABLE
J34
5
8.25K
R57
+
t
60V
.13
R33
D7
J31
2
LED4
C29
J32
3
D8
2.00K
R20
1400V
.0047
C21
J31
1
Q5
2N4401
5.6mH
28mA
L1
J32
2
2.00K
R54
50V
0.1
C28
D11
50V
820p
C8
221K
R9
CNY17-3
OCI4
42
1
6
5
J31
8
J31
6
1.50K
R58
Q4
4A
100V
D
G
S
+
t
60V
.13
R16
Q2
4A
100V
D
G
S
475
R32
3.92K
R26
1400V
.0047
C9
CNY17-3
OCI3
42
1
6
5
100V
1A
Q3
1400V
.0047
C10
+
t
60V
.13
R14
100V
1A
Q1
+
t
60V
.13
R15
+
t
60V
.13
R17
D1
1.50K
R28
1N4936
D22
1% 13W1% 13W
Labeled X20
SIGNAL TO
CONTROL BOARD
ELECTRODE SHUNT
OK TO MOVE
(ELECTRODE)
COM
+32V
NOZZLE
PILOT DRIVE
COM
ELECTRODE
+32V
PILOT DRIVE
PILOT
+15V
PILOT
+15V
S1 PILOT WINDINGS
EACH
5
D27
3A
1000V
D30
3A
1000V
B2
A2
C
A
6
7
A2
C
A
4
5
15W
200
R1
2000V
.0015
C11
50V
.0047
C19
-2V
100V
1A
Q8
CR1
11
9
13
J31
4
1.21K
R62
B21
J34
8
J34
7
D31
J33
4
PILOT DRIVE
15W
56
R4
D-
1000V
.1
C25
1W
15V
DZ2
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
1W
15V
DZ1
5W
25
R5
0.001
R19
C6
C7
LED6
C5
1.00K
R55
27
35V
C16
1.21K
R29
J33
1
OUT
Vin + Vc
N.I. IN
GND
INV IN
X1
1
5
3
4
2
C22
3.74K
R34
D13
1
+
16
-
J33
3
J32
14
J33
2
CR- 1
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
332
R36
TP-
DZ-
L- 1
LED-6
1
8
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
Q-
X-
VOLTAGE NET
RESISTORS = Ohms (
LAST NO. USED
4
R-
C-
12
31
38
FRAME CONNECTION
UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
MFD
CAPACITORS =
ELECTRICAL SYMBOLS PER E1537
80 AMP PLASMA CUTTER
GENERAL INFORMATION
1/4W
.022/50V
DIODES =
(
1A, 400V
66
LABELS
OCI-
SUPPLY
(UNLESS OTHERWISE SPECIFIED)
NOTES :
J32
5
3-19-99
G-8
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NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.