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SECTION 7
0558003591
41
40
39
38
37
36
35
34
33
32
CNC START
0
CNC PREFLOW
1
ARC ON TO CNC
2
O2 PS
31
3
N2 PS
30
4
5
FAULT
29
6
7
28
8
9
10
11
12
13
14
27
15
COM
ZD3
COM
220 VAC
C6
C0
A
B
C1
OUTPUT
K7
MODULE
C2
4
#2
6
PLC
120VAC RELAY
26
25
24
23
22
21
20
PLC1
19
PLC MODULE #1
18
17
16
R6
15
39K
2W
R5
39K
2W
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L2
L1
LG
GR
NC
NC
0
TRAVEL
C0
1
FC HF
C1
2
PAC
C2
3
START
C3
START GAS FLT
4
CUT GAS FLT
5
FAULT TO CNC
6
C4
C5
START GAS ON, NITROGEN
0
CUT GAS ON, OXYGEN
1
FULL SHIELD
2
REGULATED SHIELD
3
C3
COMMON TB4 7&8
TB6-5
TB6-4
TB6-2
TB3
1
2
3
4
ARC ON SIGNAL
5
FROM P.S. TO CNC,
6
TRANSISTOR
7
START SIGNAL FROM
CNC TO P.S., 120VAC
8
9
START SIGNAL FROM
CNC TO P.S., 24VAC
10
11
12
13
14
2
1
F3
15
1A
16
17
18
19
20
21
22
23
24
FRONT PNL
H2
PILOT ARC
SELECTOR
L1
S2
6
5
HI
H1
4
3
2
LO
1
R7
C1
10K
OHM
20uf
8W
400V
D1
R7
10K
P1-2
OHM
8W
P1-3
R14
20 OHM
50W
R15
20 OHM
50W
97
TROUBLESHOOTING
J1
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
J2
N
START SIGNAL FROM
CNC TO P.S., RELAY CLOSING
M
I
ARC ON SIGNAL FROM P.S.
TO CNC, RELAY CLOSING
G
L
+10VDC REMOTE CURRENT
SETTING FROM CNC TO P.S.
J
C
VOLTAGE DIVIDER, (+)
H
VOLTAGE DIVIDER, (-)
EMERGENCY STOP FROM CNC TO P.S.
E
RELAY/CONTACTOR NORMALLY CLOSED
F
OPEN IN CASE OF EMERGENCY
A
FAULT SIGNAL FROM P.S. TO CNC
RELAY CLOSING, DRY CONTACT
B
K
120VAC PREFLOW SIGNAL
FROM CNC TO P.S.
D
TO CUTTING MACHINE CNC
CONNECTOR CHASSIS GND SUPPLIED
BY CUTTING MACHINE GROUP
R7
20 OHM
20 OHM 300W
300W
R1
R8
20 OHM 300W
R10
3.1 OHM
R9
300W
20 OHM 300W
P1-1
START UP
PA
PCB2
838131
WORK
PILOT ARC
TORCH
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Table of Contents
Troubleshooting
