Electrical diagrams, Wiring diagram, Ln-9 – Lincoln Electric LN-9 SVM127-A User Manual
Page 131: Cleveland, ohio u.s.a
G-2
ELECTRICAL DIAGRAMS
LN-9
Wiring Diagram
517
510
518
562
518
C2
516
1
2
3
4
5
6
7
8 9 10
11
12
513
C3
VOLTS-SPEED
SELECTOR SWITCH
561
560
517
1
4
3
6
2
5
7
8
9
562
561
560
517
510
518
510C
602
601
METER BOARD
DIGITAL METER
METER
BOARD
PLUG
562
561
560
517
517
510
518
518
8
7
6
5
3
4
1
2
9
510B
510A
602
601
N.O. N.C.
N.C.
N.O.
515
514
512
511
515
514
512
511
516
513
SWITCH
SET-ACTUAL
634
635
636
510B
514
515
525
520
510
510B
667
500
3
10
9
12
7
1
4
2
6
8
11
5
5 1 2 6 3 9 12 4 8 7 1110
*
*
VOLTAGE
P.C. BOARD
WHITE
JUMPER
N.A.
S
BLUE
JUMPER
A
B
Y
P
A
S
S
B
N.D.
BLOW FUSE
5
3
4
7
9
6
8
2
1
631
632
633
634
635
636
620
621
631
633
632
634
635
636
10K
10K
WIRE SPEED CONTROL
RHEOSTAT
VOLTS CONTROL
RHEOSTAT
CONTROL RHEOSTAT PLUG
500
522
530
524
521
533
500
C
B
A
510B
510A
602
601
515
514
512
511
METER
PANEL
PLUG
667
510B
67
21
626
626B
DIRECTION
SWITCH
TP1
627
POLARITY
SWITCH
627B
530
533
500
32
32A
32A
32A
5 AMP
CIRCUIT BREAKER
G.L.P. REED
SWITCH (CR4)
*
P.C. BOARD
JUMPER
5
6
4
11
14
8
3
2
1
15
9
13
10
12
7
CONTROL
631
632
633
525
510
555
F
S
F
14
15
*
3
4
13
5
1
6
7
10
2
11
12
8
9
532
527
526
POWER
P.C. BOARD
539
541
626B
627B
32A
7
527
528
WIRE
FEED
MOTOR
627
626
RED
WHITE
BLUE
BLACK
P.C. BOARD
TACH
PICK UP
525
555
510
H
G
D
F
A
B
C
E
I
C
B
32
A
2
4
31
21
GND
2
531
31
BLACK
RED
RED
531
602
601
T1
31
BLACK
529
628
510
540
525
510
500
524
521
32A
504
502
INPUT
CONNECTOR
32A 531 504
4
2 502
5
4
3
2
1
6
*
32A
531 504
4
502
2A
2A
32A
2
500
510A
511
512
520
524
510
628
525
540
YELLOW
22K
533
534
500
530
500
623
620
621
622
TRIGGER P. C. BOARD
621
620
RED
32A
531
529
628
WELD CURRENT
REED SWITCH (CR2)
67
INPUT CABLE
GUN CABLE
T2
.1
GROUNDING
STUD
BLACK
ONE MAGNETICALLY
A
B
C
D
E
622
623
TRIGGER
CONNECTOR
CASE GND.
BURNBACK
P.C. BOARD (OPTIONAL)
DELAY P.C. BOARD
JUMPER CONNECTOR IS REMOVED AND
HARNESS CONNECTOR IS PLUGGED INTO
OPTIONAL CONTACTOR DROP OUT
ELECTRICAL SYMBOLS PER E1537
*
CONNECTOR CAVITY NUMBER
CONNECTIONS AS VIEWED FROM BACK OF RHEOSTATS
CONNECTION FOR D.C. TYPE POWER SOURCES. FOR OTHER TYPE POWER
SOURCES (R3S, SAM, AND SAF OR SA WITH K224) SEE OPERATING MANUAL.
CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF BOARD)
530
522
2A
2
500
534
534
G.L.P.
RESET
HOT-COLD-INTERLOCK
SWITCH
NOTES:
N.A. VOLTAGE P.C. BOARD WHITE JUMPER TO
BE SHIPPED CONNECTED TO PIN "S".
N.B. CONTROL P.C. BOARD JUMPER TO BE
SHIPPED CONNECTED TO PIN "F".
BE SHIPPED CONNECTED TO PIN "B".
C1
N.B.
N.A.
VOLTAGE P.C. BOARD BLUE JUMPER TO
N.C. RESISTOR USED ON CODES 9131 AND BELOW.
FOR CODES ABOVE 9131 THE GROUND LEAD
IS CONNECTED DIRECTLY TO THE CASE.
N.D. NOT PRESENT ON EARLIER VOLTAGE
P.C. BOARDS.
TIGHTLY COUPLED TURN
N.C.
METER
BOX
GND.
GROUND
METER PANEL
ASSEMBLY
N.F.
N.E. JUMPER PLUG IS REMOVED WHEN THE
OPTIONAL PULSED POWER P.C. BOARD
HARNESS PLUG IS CONNECTED TO THE
VOLTAGE P.C. BOARD. REPLACE THE JUMPER
PLUG IF THE OPTION IS DISCONNECTED.
N.F. NOT PRESENT ON ALL CODES.
525
521A
500
521
1/8 AMP FAST
1
2
3
4
*
N.E.
N.D.
CLEVELAND, OHIO U.S.A.
5-24-96F
L7197
R
LN-9
1/2 AMP SLOW BLOW FUSE
G-2
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.