SECTION 6
Part 2
TB4-2
TB4-1
29b
28b
27b
26b
25b
24a
23b
22b
21b
20b
19b
18b
17b
16b
15b
14b
13b
12b
ZD2
ZD2
ZD2
ZD2
11b
180VAC
180VAC
180VAC
180VAC
A A A A
B B B B
K2
K2
K2
K2
10b
L1
L1
L1
L1
T1
T1
T1
T1
9b
L2
L2
T2
T2
L2
L2
T2
T2
L3
L3
T3
T3
L3
L3
T3
T3
120VAC
120VAC
120VAC
120VAC
RELAY
RELAY
RELAY
RELAY
CURRENT SETTING POT
CURRENT SETTING POT
CURRENT SETTING POT
CURRENT SETTING POT
8b
7b
R3
R3
R3
R3
R4
R4
R4
R4
6b
4.99K
4.99K
4.99K
4.99K
4.99K
4.99K
4.99K
4.99K
5b
4b
6 6 6 6
3 3 3 3
1 1 1 1
3b
2b
2 2 2 2
5 5 5 5
1b
P3
P3
P3
P3
1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8
9 9 9 9
10
10
10
10
P4
P4
P4
P4
MOD1
MOD1
MOD1
MOD1
10
10
10
10
9 9 9 9
Power
Power
Power
Power
8 8 8 8
7 7 7 7
Module #1
Module #1
Module #1
Module #1
6 6 6 6
5 5 5 5
4 4 4 4
3 3 3 3
2 2 2 2
1 1 1 1
SH1-2
SH1-2
SH1-2
SH1-2
(SHUNT)
(SHUNT)
SH1-1
SH1-1
SH1-1
SH1-1
TB3-1
TB3-1
TB3-1
TB3-1
Component Legend
TB6-5
TB6-5
TB6-5
TB6-5
R6
R6
R6
R6
39K
39K
39K
39K
2W
2W
2W
2W
TB6-4
TB6-4
TB6-4
TB6-4
C2
C2
C2
C2
R11
R11
R11
R11
R5
R5
R5
R5
20uf
20uf
20uf
20uf
39K
39K
39K
39K
10K
10K
10K
10K
400V
400V
400V
400V
2W
2W
2W
2W
8W
8W
8W
8W
TB6-2
TB6-2
TB6-2
TB6-2
FRONT PNL LOCAL
FRONT PNL LOCAL
FRONT PNL LOCAL
FRONT PNL LOCAL
R2
R2
R2
R2
10K
10K
10K
10K
MIN
MIN
MAX
MAX
MAX
MAX
MIN
MIN
1 1 1 1
3 3 3 3
2 2 2 2
4 4 4 4
FRONT PNL
FRONT PNL
FRONT PNL
FRONT PNL
CURRENT
CURRENT
CURRENT
CURRENT
SETTING
SETTING
SETTING
SETTING
LOCAL/REMOTE
LOCAL/REMOTE
LOCAL/REMOTE
LOCAL/REMOTE
DPDT
DPDT
DPDT
DPDT
S3
S3
S3
S3
24
24
24
24
1 1 1 1
F3 2 2 2 2
F3
F3
F3
VDC
VDC
VDC
VDC
1A
1A
1A
1A
Precision Plasma with Integrated Flow Control - - - - CE
Precision Plasma with Integrated Flow Control
Precision Plasma with Integrated Flow Control
Precision Plasma with Integrated Flow Control
zone
item
description
1
T1
Transformer control, plasma interface
TB2
Terminal strip
TB4
Terminal strip
J3
Recepacle 10 pos
P3
Plug 10 pos
J4
Receptacle 16 pos
P4
Plug 16 pos
M2
Pump motor
PCB1
P/c brd isolation ampl and fault signal
CB2
Circuit breaker 3 amp
K4
Contactor 120vac
3
ZD1
Zener diode 180v
M1
Fan motor
CB1
Circuit breaker 7A
FS1
Flow switch
ZD3
Zener diode 180v
AM1
Ammeter
V1
Voltmeter
S1
Switch on/off
4
K1
Contactor 70A @600V
TB3
Terminal Brd
J2 (19 POS)
J2 (19 POS)
J2 (19 POS)
J2 (19 POS)
TB3
TB3
TB3
TB3
START SIGNAL
START SIGNAL
START SIGNAL
START SIGNAL
N N N N
1 1 1 1
CNC TO P.S., RELAY CLOSING
CNC TO P.S., RELAY CLOSING
CNC TO P.S., RELAY CLOSING
CNC TO P.S., RELAY CLOSING
M M M M
2 2 2 2
S S S S
3 3 3 3
PILOT ARC (HI/LOW)
PILOT ARC (HI/LOW)
PILOT ARC (HI/LOW)
PILOT ARC (HI/LOW)
A.C.
A.C.
A.C.
A.C.
T T T T
4 4 4 4
NEUTRAL
NEUTRAL
NEUTRAL
NEUTRAL
ARC ON SIGNAL
ARC ON SIGNAL
ARC ON SIGNAL
ARC ON SIGNAL
P P P P
5 5 5 5
FROM P.S. TO CNC,
FROM P.S. TO CNC,
FROM P.S. TO CNC,
FROM P.S. TO CNC,
G G G G
(TRANSISTOR)
(TRANSISTOR)
(TRANSISTOR)
(TRANSISTOR)
6 6 6 6
7 7 7 7
8 8 8 8
9 9 9 9
10
10
10
10
+10VDC REMOTE CURRENT
+10VDC REMOTE CURRENT
+10VDC REMOTE CURRENT
+10VDC REMOTE CURRENT
L L L L
11
11
11
11
SETTING FROM CNC TO P.S.
SETTING FROM CNC TO P.S.
SETTING FROM CNC TO P.S.
SETTING FROM CNC TO P.S.
J J J J
12
12
12
12
C C C C
VOLTAGE DIVIDER, (+)
VOLTAGE DIVIDER, (+)
VOLTAGE DIVIDER, (+)
VOLTAGE DIVIDER, (+)
13
13
13
13
H H H H
VOLTAGE DIVIDER, (-)
VOLTAGE DIVIDER, (-)
VOLTAGE DIVIDER, (-)
VOLTAGE DIVIDER, (-)
14
14
14
14
U U U U
15
15
15
15
FAULT
FAULT
FAULT
FAULT
V V V V
16
16
16
16
17
17
17
17
EMERGENCY STOP
EMERGENCY STOP
E E E E
EMERGENCY STOP
EMERGENCY STOP
18
18
18
18
FROM CNC TO P.S. (N.C.)
FROM CNC TO P.S. (N.C.)
FROM CNC TO P.S. (N.C.)
FROM CNC TO P.S. (N.C.)
F F F F
19
19
19
19
A A A A
20
20
20
20
FLOW SWITCH
FLOW SWITCH
FLOW SWITCH
FLOW SWITCH
B B B B
21
21
21
21
K K K K
22
22
COOLANT PUMP
COOLANT PUMP
22
22
COOLANT PUMP
COOLANT PUMP
D D D D
PILOT ARC RELAY
PILOT ARC RELAY
PILOT ARC RELAY
PILOT ARC RELAY
23
23
23
23
R R R R
120 VOLTS TO CNC I/O
120 VOLTS TO CNC I/O
120 VOLTS TO CNC I/O
120 VOLTS TO CNC I/O
24
24
24
24
ZD4
ZD4
ZD4
ZD4
180VAC
180VAC
180VAC
180VAC
B B B B
A A A A
H2
H2
H2
H2
K3
L1
L1
L1
L1
L1
L1
L1
L1
T1
T1
T1
T1
H1
H1
H1
H1
L2 T2
L2
L2
L2
T2
T2
T2
R1
R1
R1
R1
L3
L3 T3
T3
T3
T3
L3
L3
R12
R12
R12
R12
PILOT ARC
PILOT ARC
PILOT ARC
PILOT ARC
C1
C1
C1
C1
10K
10K
10K
10K
HI / LOW
HI / LOW
HI / LOW
HI / LOW
20uf
20uf
OHM
OHM
20uf
20uf
OHM
OHM
CONTACTOR
CONTACTOR
CONTACTOR
CONTACTOR
400V
400V
400V
400V
8W
8W
8W
8W
START
START
START
START
R13
R13
R13
R13
P1-2
P1-2
P1-2
P1-2
D1
D1
D1
D1
10K
10K
10K
10K
OHM
OHM
OHM
OHM
PCB2
PCB2
8W
8W
8W
8W
PCB2
PCB2
P1-3
P1-3
P1-3
P1-3
38039
38039
38039
38039
20
20
20
20
R14
R14
R14
R14
OHM
OHM
OHM
OHM
50W
50W
50W
50W
20
20
20
20
R15
R15
R15
R15
OHM
OHM
OHM
OHM
50W
50W
50W
50W
TROUBLESHOOTING
zone
item
description
5
TB1
Terminal brd
MOV1,2,3 Mov 610V
T2
Auto transformer
J2
Receptacle 19 pos
R2
Potentiometer 10K
ZD2
Zener diode 180v
K2,3
Contactor 120VAC pilot arc and Hi/Low
C1,2
Capacitor 20µf 400V
R1,7,8,9
Resistor 20 ohm 300w
R10
Resistor 3.1 ohm 300w
S3
Switch spst
PCB2
P/C brd start-up
6
MOD1
Power module #1
MOD1,P1
Plug 16 pin
MOD1,P3
Plug 10 pin
MOD1,P4
Plug 10 pin
TB6
Terminal strip
F3
Fuse 1A
F4
Fuse 15A Fast acting
R11
Res 10K ohm 2w
L1
Inductor
D1
Diode
CNC
20 OHM
20 OHM
20 OHM
20 OHM
R7
R7
300W
300W
300W
300W
R7
R7
R10
R10
R10
R10
R8
R8
R8
R8
20 OHM
20 OHM
20 OHM
20 OHM
20
20
20
20
3.1
3.1
3.1
3.1
300W
300W
300W
300W
OHM
OHM
OHM
OHM
R9
R9
R9
R9
OHM
OHM
OHM
OHM
300W
300W
300W
300W
300W
300W
300W
300W
20 OHM
20 OHM
20 OHM
20 OHM
300W
300W
300W
300W
UP
UP
P1-1
P1-1
P1-1
P1-1
UP
UP
PA
PA
PA
PA
P1-6
P1-6
P1-6
P1-6
CE
CE
CE
6-9