Electrical Diagrams - Lincoln Electric PRO-CUT 80 Service Manual

G-2
WIRING DIAGRAM - PRO CUT 80
INPUT
PER
N.A.
FAN FAN
FAN
FAN
MOTOR
207A
S4 PRIMARY RECONNECT
203
207A
202
206
SHOWN FOR 400-460VAC OPERATION
N.C.
A A
0.6A
SLOW BLOW
H2 H3
200-
220-
208V
230V
440-
380-
415V 460V
H5
H4
NOTES:
N.A.
1. FOR MACHINES SUPPLIED WITH INPUT CABLE
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.
2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE
FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.
FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.
N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT
COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
CONNECTION SHOWN IS FOR 440-460V OPERATION.
N.D. C1 AND C2 CAPACITORS ARE A MATCHED SET.
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
C1
3000/450
203 206
209
205
501
RELAY 4 1
208 505
++VOLT
5 2 502
506
6
P_XFMR 3 503
POWER 507
J10
204 201
404
CURRENT
TRANSFORMER
203
202 207
+ -
202
C2
3000/450
206
X4
J33
R
ELEC
1
3 W
XFER
4 2
R
XFER
W
X40
X2
X20
B21
J31 6 1 4
366
1,2 TRIGGER 2 2
7
369
4 ELECTRODE
8 3 360
3 NOZZLE 364
9 4 E
5,6 AIR SOL
7,8 ELEC SOL
10 5 361
365
10 WORK
5 1 4A
2A
J34 6 2
7 3 343
347
8 4 344
348
J32
1
8
8 AIR SOL
309
2 ELEC SOL 2 310
9
3 TRIGGER
10 3 354
13 IGBT
4
11
14 GND
12 5
303
13 6
312
14 7
J30
4 1 51
1,4 24V 54
5 2
56
OUTPUT 12V 6 3 53
L1
CHOKE
E
S
401

ELECTRICAL DIAGRAMS

RIGHT SIDE OF MACHINE
-
207A
H1
F
C C
207
TP1
TP3
E
D1
B
B
INPUT
BRIDGE
TP2
D + A
209 A
A
T3 T1
208
MAIN
204
XFMR
Y Y
B
6
X2
2
3
7 X20
205
X3 X30
201 X1
W
X10
365 N N
360
A
X40
X4
LEFT SIDE OF MACHINE
OUTPUT
BASE CASE FRONT
PC BOARD
PROTECTIVE BONDING CIRCUIT
ELECTRICAL SYMBOLS PER E1537
H1
G W R B
N 8 53
12V W V U
H2
5 3
N 56
H3
R 2 51
2
24V S1
54
R 6 POWER
H4 B C
A
7
U 9 64
18V
H5
W 5 62
8
S3
18V
PSI_SET
U 4 61
H6
4
277B
Y 1 FAN
277A
J22
115V
Y 7 FAN 221
AUXILIARY J21
TRANSFORMER
T2
18V 18V
1 2
J5
3 4
4 8
507
P_XFMR
503 3 7
J1
506
502 2 6 ++VOLT
505
501 1 5 RELAY
6 1
216
J4 7 2 212
Y 217
8 3 213
3 6 CT
Y
218
9 4 214
2 5
219
404
5 215
1 4 TSTAT 10
401
210
J2
J3
275
8
W 16
7,8 ELEC SHUNT (TWIST PR) 276
R 7 15
277
306 6
14
CONTROL
277A
4,5 XFER SHUNT (TWIST PR)
W 5 13
CW (MAX)
12 GND
4
R 12
11 TRIGGER
312
303 3 11 3 IGBT
354
2,6 PSI SWITCH
2
302 10
310 10 ELEC SOL
1
9 9 AIR SOL
309
CONTROL
A B C D E F G
INTERFACE RECEPTACLE
J20
1
306 W
S5
Y
2
PRESSURE
4 R
302
AIR
361
SOLENOID
366
N
N 4
7 8
9
6
5
E
1
4
3 2
COLOR CODE:
B = BLACK
G = GREEN
J40
R = RED
W = WHITE 1 15
U = BLUE
N = BROWN
Y = YELLOW
J1,J20 J4,J10,
J3 J2,J21,J31
J33 J30
1 8 1 5 2
1 1 3
9 16 6 10 3 4 4
6
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
G-2
S2
RESET
223
216 +15V
15
217 READY LED
14
LOW_PSI LED
212 13
218 POT WIPER
12
213 RESET
11
219 GND
10
9 THERMAL LED
214
8 RESET LED
210
215 7
PSI SET
6
275 5
276 4
223 3
277 2
1
221
J40
R1
10K
2W
POT
DISPLAY
H I J K L M N
WORK
W
2
369
364
J5,J22,
J32
J34
4
1 1 7
5 8 8 14
XL-RW
L10936
PRO-CUT 80