5
5
4
4
3
3
2
2
1
1
D D
C C
B
B
A A
+12VDC
+12VDC
+12VDC
+12VDC
+12VDC
24VAC
+12VDC
+5VDC
+12VDC
+12VDC
+12VDC
+12VDC
DWG No:
Sheet
of
SupersedesScale
Create Date:
Drawn:
Reference
DateBy
Change DescriptionRev
Information Proprietary to THERMADYNE INDUSTRIES
Not For Release, Reproduction, or Distribution without Written Consent.
NOTE: UNLESS OTHERWISE SPECIFIED -
1. RESISTOR VALUES ARE EXPRESSED IN OHMS, 1/4W 5%.
2. CAPACITOR VALUES ARE EXPRESSED IN MICROFARADS (uF).
Chk: App:
TITLE:
Last Modified:
SCHEMATIC,
NONE
42X1323
Thursday, July 03, 2008
1 1
82 BENNING STREET
WEST LEBANON, NH
03784
CUTMASTER A80 & A120 400 VAC
09:02:19
THERMADYNE
INTRO ECO-B1028 MNC 07/03/08
<DRAWN>
AA
DWG No:
Sheet
of
SupersedesScale
Create Date:
Drawn:
Reference
DateBy
Change DescriptionRev
Information Proprietary to THERMADYNE INDUSTRIES
Not For Release, Reproduction, or Distribution without Written Consent.
NOTE: UNLESS OTHERWISE SPECIFIED -
1. RESISTOR VALUES ARE EXPRESSED IN OHMS, 1/4W 5%.
2. CAPACITOR VALUES ARE EXPRESSED IN MICROFARADS (uF).
Chk: App:
TITLE:
Last Modified:
SCHEMATIC,
NONE
42X1323
Thursday, July 03, 2008
1 1
82 BENNING STREET
WEST LEBANON, NH
03784
CUTMASTER A80 & A120 400 VAC
09:02:19
THERMADYNE
INTRO ECO-B1028 MNC 07/03/08
<DRAWN>
AA
DWG No:
Sheet
of
SupersedesScale
Create Date:
Drawn:
Reference
DateBy
Change DescriptionRev
Information Proprietary to THERMADYNE INDUSTRIES
Not For Release, Reproduction, or Distribution without Written Consent.
NOTE: UNLESS OTHERWISE SPECIFIED -
1. RESISTOR VALUES ARE EXPRESSED IN OHMS, 1/4W 5%.
2. CAPACITOR VALUES ARE EXPRESSED IN MICROFARADS (uF).
Chk: App:
TITLE:
Last Modified:
SCHEMATIC,
NONE
42X1323
Thursday, July 03, 2008
1 1
82 BENNING STREET
WEST LEBANON, NH
03784
CUTMASTER A80 & A120 400 VAC
09:02:19
THERMADYNE
INTRO ECO-B1028 MNC 07/03/08
<DRAWN>
AA
_
19X2369 / CAT# 9-0107
OVER PRESSURE
INTERNAL ERROR
SHORTED TORCH
CONSUMABLES MISSING
START ERROR
PARTS IN PLACE
INPUT POWER
UNDER PRESSURE
ERROR IND
FAULT
PCB3
INRUSH
RESISTORS
LATCH
SET
RUN
RAR
MAX
90
85
80
75
70
65
MIN
TP1
TP2
TP3
TP4
TP5
TP6
TP7
LOGIC PCB
GND
+12 VDC
+5 VDC
3.3 VDC
0.v - 5.0 VDC / 0-100PSI
1.8 VDC
CURRENT DEMAND
TEST POINTS
FAN
TEMP
CIRCUIT
3.3VDC
TXD
RXD
Q2
D
SERIAL PORT
80
81
82
83
E64
E35
78
79
-
+
*A100 C7 & C10
not installed
ATC CONNECTOR
GND1
GND2
+12V1
48V1
I_DMD_1
TIP_SEN
COMMON
COMMON
+12 VDC SUPPLY
+48 VDC SUPPLY
CURRENT DEMAND
TIP DRAG SENSE
TEST POINTS
A120 ONLY
J2
_
J1
/400
J2 PINOUT
1
8
9
3
47
7A
811
1214
OK-TO-MOVE
L1
L2
L3
L4
T1
T2
T3
T4
/PIP
PCB1
+
+
+
+
Q1
24VAC RET
5
PRIMARY
AC INPUT
400VAC
AC INPUT
6
/START
/SOLENOID
24VAC RETURN
24VAC SUPPLY
A100 19X2371 / CAT# 9-0108
A120 19X2416 / CAT# 9-0125
MAIN PCB
7
/OVERTEMP
TEMP
CIRCUIT
PRESSURE
TRANSDUCER
AIR
INLET
FILTER
REGULATOR
SOLENOID
VALVE
ATC
GAS CONTROL
0-100PSI / 0-4.5VDC
/INRUSH
/OVERTEMP
D3
D1
L1
L2
L3
GND
(5A @ 250VAC / 30VDC)
C
D
B
A
1TORCH
_
AUTOMATION
TORCH SOLENOID
Q2
_
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
29
34
35
36
37
38
39
-V_OUT_SIGNAL
/TIP_VOLTS
/TIP_SENSE
/460V_IN
N/A
CUR_SET
/RAR (RAPID AUTO RESTART)
/INRUSH
/W1_ON
SHDN
/TORCH_SOLENOID
/SOLENOID_ON
/OK_TO_MOVE
/FAN_ON
/LATCH_ACTIVE
/TORCH_SWITCH
/PIP
AC_ON
CSR
/TORCH_SOLENOID_DETECT
/OVERTEMP
V_IN
+12VDC
+12VDC
COMMON
COMMON
MAIN_PCB_ID
460_IN
+3.3VDC
TXD
RXD
COMMON
D
M-L
M-L
M-L
L-M
L-M
L-M
L-M
L-M
L-M
L-M
L-M
L-M
L-M
L-M
M-L
M-L
M-L
M-L
M-L
M-L
M-L
M-L
M-L
M-L
M-L
M-L
M-L
L-M
M-L
M-L
L-M
M-L
40 PIN RIBBON CABLE SIGNALS
B
A100 19X2478 / CAT# 9-0192
A120 19X2545 / CAT# 9-0202
A
PCB5
A100 40 AMP PCB
19X2417 / CAT# 9-0194
A120 50 AMP PCB
19X2417 / CAT# 9-0203
PCB2
Q1
FAN
/FAN
FAN
/FAN
D2
D1
C
D
CAPACITOR PCB
1 /OVERTEMP
2 /FAN_ON
3 /CSR
4 CUR_SET
5 MAIN_PCB_ID
6 COMMON
SYNC
}
OK-TO-MOVE
OK TO MOVE
}
}
PCB4
AUTOMATION
INTERFACE PCB
19X2479 / CAT# 9-8311
FULL FEATURED AUTOMATION INTERFACE PCB OPTION
BASIC CNC INTERFACE
(+)
}
To configure DIVIDED ARC VOLTS signal output
Jumper pins 1 & 2 for ARC VOLTS / 50
Jumper pins 2 & 3 for ARC VOLTS / 16
K1
To -V OUT 1
on PCB1
}
/START / STOP
* *
}
DIVIDED ARC VOLTS
/START / STOP
(+)
(-)
(W/ 100K IN SERIES (2))
(-)
*
ARC VOLTS
SYNC
EMI FILTER
1
2
3
4
1
2
3
4
CE UNITS
ONLY
K10K10
8585
40A_AC340A_AC3
1
2
3
4
5
6
7
8
MOT2MOT2
+-
MINMIN
MTH4MTH4
SEC2SEC2
SEC2SEC2
J11J11
1
2
AC1AC1
TIP1TIP1
TP3TP3
+
C16-17
+
C16-17
D1D1
WORK1WORK1
D78 CSRD78 CSR
J3J3
3
2
1
TP4TP4
9090
AC3AC3
J3J3
1
2
3
L1L1
MOT1MOT1
+ -
J1J1
1
2
40A_AC140A_AC1
D59 PCRD59 PCR
AC2AC2
MTH8MTH8
SOL 1SOL 1
J3J3
1
2
OVERTEMPOVERTEMP
80A_AC180A_AC1
PRI 2PRI 2
J1J1
1
2
3
7575
J1J1
1
2
3
4
5
MOT3MOT3
+-
PMTH3PMTH3
PIP SWITCHPIP SWITCH
1
2
3
PRI 2 PRI 2
E1E1
PMTH1PMTH1
J5J5
1
2
3
Q5
PILOT IGBT
Q5
PILOT IGBT
80A_AC280A_AC2
+
C3,C4,C7,C8*
+
C3,C4,C7,C8*
TP5TP5
Current ControlCurrent Control
J13J13
1
2
3
4
5
6
J4J4
1
2
3
4
5
J2J2
1
2
PRI 1 PRI 1
CHOKE1CHOKE1
GASGAS
6565
AC1AC1
PMTH4PMTH4
PRI 1PRI 1
PRI 2PRI 2
-V OUT 1-V OUT 1
J10J10
1
2
3
4
5
6
7
8
TP1TP1
P10P10
1
2
3
4
5
6
7
8
L2L2
AC3AC3
J2J2
2
3
4
5
6
7
8
9
10
11
12
13
14
1
+
C5,C6,C9,C10*
+
C5,C6,C9,C10*
PRI 4 PRI 4
K4K4
7070
J7J7
1
2
J9J9
1
2
3
4
5
6
7
+OUT_1+OUT_1
WORKWORK
T1T1
MTH6MTH6
J6J6
1
2
PMTH4PMTH4
DCDC
TORCH SWITCHTORCH SWITCH
PMTH2PMTH2
PRI 4PRI 4
NTCNTC
PRI 1PRI 1
TP2TP2 MTH2MTH2
J14J14
J2J2
1
2
W2W2
ACAC
P10P10
1
2
3
4
5
6
7
8
PMTH3PMTH3
PRI 3PRI 3
MTH1MTH1
K3,K4K3,K4
ERRORERROR
T2T2
AC2AC2
CHOKE1CHOKE1
80A_AC380A_AC3
PRI 3PRI 3
8080
+
C12-13
+
C12-13
K3K3
TP8TP8
40A_AC240A_AC2
ELECTRODE1ELECTRODE1
NTCNTC
SEC1SEC1
J1J1
1
2
3
4
5
6
7
8
SEC1SEC1
J4J4
1
2
3
4
5
6
7
8
9
10
W1W1
K2K2
J26J26
2
3
4
5
6
7
8
9
10
11
12
13
14
1
J12J12
1
2
3
MTH7MTH7
SW1SW1
1 3
2
4
MAXMAX
PMTH1PMTH1
TS1TS1
PMTH2PMTH2
J1J1
1
2
3
4
5
6
7
8
J17J17
Art # A-08538
Art # A-08538
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