Lincoln Electric IM491 PRO-CUT 125 - Manual (Page 36)

– 36 –
STATUS BOARD
1
2
3
4
5
6
8
7
211
212
213
214
215
216
218
325
326
1
3
2
R1 10K
5
4
1
2
6
3
5
6
3
7
84
9
2
J2
J8
1
CONTROL BOARD
12
14
10
11
15 16 13 10 1 2 3 4 5 6 7 8 9
319 324 323 322 321
J3
J7
J6
319
PURGE/RUN SWITCH (PURGE IS OPEN)
2
3
4
1
5
6
43
9
1
27
81
2
10
11
12
31
32
G1
381
G2
382
G3
383
G4
384
G5
385
G6
386
J4
2
4
5
3
6
7
8
1
J5
334
335
336
337
2
4
J10
CR2
CR1
SV1
38
CR2
E
389
71
ELECTRODE
PILOT
389
CR2 CR2
388
WORK
W
POS
POS
NEG
71
BYPASS BOARD
5
6
4
3
9
2
1
8
7
10
12
11
FAN
333
332 24 VAC
31
32
110 VAC
15
3 6 9 12
2 5
8 11
330
331
14
13
24 VAC
334
335
1 4 7
10
MAIN TRANSFORMER
J8
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537 RESISTORS = OHM/WATT (1/2 WATT UNLESS OTHERWISE SPECIFIED)
R3
+
-
SCR2
CR1
75
76
77
390 391
388
208
C501 D501
NEG
319 5J12
2J12
4J12
1J12
34 222
221
L503
L504
R2
3 300W
N.A. NOTES
+
POS
14
13
R6
12K 10W
R7
TO PRIMARY COILS
TS1
CW
TO GROUND PER NATIONAL ELECTRICAL CODE
L2
L1
78
78
380V
TO PRIMARY COILS
1
3
4
5
6
2
J16
7
8
9
J10, J13
14 12 7 13 11 6 5 10 1 2 9 8 4 3
31 37 34
36
32
+
31
7
9
3
4
5
6
2
1
8
328
327
35
602
601
603
604
606
605
J16
HI FREQ MODULE
1 2 3
606 605
J11
1 2 3 4
392
393
394
31
32
20 VAC
J17
306
607
608
C1
20K 5W
R4
J13 1
7
28
3
9
10
4
5
11
6
12
J14
SCR4
SCR6
AC1
AC2
AC3
SCR3
SCR5
SCR1
S1
TO PRIMARY COILS
TO SUPPLY LINES
440/460V
TO GROUND PER NATIONAL ELECTRICAL CODE
TO GROUND PER NATIONAL ELECTRICAL CODE
TO PRIMARY COILS
S1
TO SUPPLY LINES
220/230V
U V W
T1
T2 T3
T2 T3
U V W
TO PRIMARY COILS
CONNECTOR CAVITY NUMBERING SEQUENCE. (VIEWED FROM COMPONENT SIDE OF BOARD)
N.A.
NOZZLE (PILOT LEAD AT THE TORCH).
607
31
B
B
B
R
RR
72
J12, J18
J17
4 1 4 3 6 2 5
J18
J18 PIN 3 CONNECTS TO THE
4 90W
J31
J5, J31
3 300W
R5
70
R8
9
11
6
51
2
8
10
4
7
T2
T1
T3
9
11
6
5
12
8
10
4
7
T2
T1
T3
9
11
6
5
12
8
10
4
7
T2
T1
T3
20 100W
TP1 TP2
TP3
TP1 TP2
TP3
T1
S1
TO SUPPLY LINES
T2 T3
U V W
TP1 TP2
TP3
T1
PN25098
L10261
WIRING DIAGRAM - PRO-CUT 125
SV2
N.B.
N.B. NOT PRESENT ON SOME EARLY MODELS.
OUTER PRI. INNER PRI.
PRESSURE SWITCH
PRIMARY COIL THERMOSTAT
SAFETY RESET S3
OUTPUT CONTROL
SCR MODULE P.C. BD.
HI FREQ ASBLY.
72
J6, J14, J23
2D
4D
POS-D
J5 OPTION JUMPER
HALF OF J12 OPTION JUMPER LOCAL REMOTE
76D
76B
76C
4A
40 1
40 2
POS-D 400D 32D 31D 321D
2D 4D
212D 76D
1
OPTION BOARD J23
J19
2 3 4 5 6 7 8 9
4 9 2 7 5 10
2A 4A 403 404
212D 400D
76C
76B
OPTION JUMPER J8
32D
31D
OPTION JUMPER J10 OPTION HARNESS
10 11 12
HALF OF OPTION JUMPER J12
380VAC
H1 H2 H3
1 3 6
J15
H1
H2
OPTIONAL REMOTE/LOCAL SWITCH
OPTIONAL CNC & GMF INTERFACE KIT
OR 575V
230/460V 220/380/440V CONNECTION
575V CONNECTION
J2, J15
J3, J19
J4, J7, J11, J25
77D
OPTION JUMPER J2
77D
40 3
40 4
2A
PO S
40 5
NE G
75
76
4B
2B
OPTIONAL TERMINAL STRIPS
76 75 401 402 2B 4B POS 405 NEG
3 8 6 1 1 2 3
J25
321D 324D
324D
15 100W
A
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram for a particular code is pasted inside
the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. G
ive the equipment code number..
Enhanced Diagram