Publicidad
G-4
Operating Schematic (NA-3)
7CR
SHUNT
WORK LEAD TO
WORK
POWER SOURCE
21
21
517
67
-
+
+
-
VM
AM
5CR
2
CONTACTOR RELAY
3CR
4
NOT PRESENT ON MODELS WITH
3-CONTACT TRAVEL RECEPTACLE
GND
CONTROL POWER SWITCH
531
31
S1
531
TRAVEL
RECEPTACLE
7CR
HAND
FLUX OR
25
WATER
0FF
SOLENOID
532
S2
666
RECEPTACLE
AUTO
TRAVEL
SWITCH
87
1CR
625
2CR
6CR
32
532
S1
FOR CONTROL P.C. BOARD L5224-5 OR HIGHER USE L8939 SCHEMATIC
FOR COMPONENT VALUES AND CIRCUIT CONNECTIONS.
CONTROL CIRCUIT
C101
.47 MFD
R101
40 OHM 12 W
Q101
2N5655
C102
50 MFD
R102
68K OHM
Q102
MJ3029
C103
.047 MFD
R104
10K OHM 2 W
Q103
2N4123
C104
.047 MFD
R105
27K OHM
Q104
2N4123
C106
.047 MFD
R106
4.7K OHM
Q105
2N4123
.1 MFD
R107
15K OHM
Q106
2N5816
C107
4.7 MFD
R108
22K OHM
Q107
2N5816
C108
1 MFD
10K OHM
Q108
2N4123
C110
R109
.15 MFD
1.5K OHM
C113
R110
.15 MFD
5K OHM TRIMMER
C114
R111
4.7K OHM
C116
.047 MFD
R112
33K OHM
C117
.02 MFD
R113
QU101
2N6027
C118
.02 MFD
R114
10K OHM
QU103
UJT
C119
.02 MFD
R115
100 OHM
C120
.02 MFD
R117
47 OHM
C121
.02 MFD
R118
6.8K OHM
R119
6.8K OHM
R120
680 OHM
LED1A
RED
R121
2.7K OHM
LED1B
LIGHT
D101
16 A
R122
47K OHM
LED1C
EMITTING
D102
16 A
R123
100 OHM
LED1D
DIODE
D103
16 A
R124
100 OHM
LED1E
D104
R125
10K OHM
THRU
1 A
R126
680 OHM
D114
R127
4.7K OHM
R128
47K OHM
SCR101
8A 600V
R129
47K OHM
SCR102
8A 600V
DZ101
25V
R131
10K OHM 2 W
SCR103
16A 400V
DZ102
3V
10K OHM
SCR104
16A 400V
R132
TRANSIENT PROTECTOR
PT101
PULSE TRANSFORMER
TP101
PT104
F101
1/2A SLOW BLOW FUSE
PULSE TRANSFORMER
PT105
12
F102
3/10A FUSE
PULSE TRANSFORMER
12
F103
3/10A FUSE
510A
510
ELECTRODE LEAD
TO POWER SOURCE
67
R306
D301
D302
C301 +
R308
D303
LED
QU301
DZ303
3B
C302
DZ306
510A
PT301
OCI301
1
110V
2
C304
D105
D104
510
R4
610
5 AMP CIRCUIT BREAKER
531A
D111
R1
631
Q101
531A
Q102
DZ101
PT105
1/64 Ÿ]
D113
C114
541
TP101
R105
SCR101
C103
C104
SCR102
C101
PT
PT
C113
101
101
PT
104
627
D107
C102
LED
LED 1C
SCR103
SCR104
1E
D103
626
C121
LED 1D
F101
QU101
WIRE FEED
WIRE FEED MOTOR
MOTOR FIELD
D101
D102
C107
PT
101
Q104
Q104
C110
C106
C107
VARIABLE VOLTAGE CIRCUIT
FOR VARIABLE VOLTAGE P.C. BOARDS L5394-2 OR HIGHER
USE M16966 SCHEMATIC FOR COMPONENT VALUES AND
CIRCUIT CONNECTIONS.
*
C301
2 MFD
R308
10K OHM TRIMMER
OPTIONAL CIRCUIT
.1 MFD
R309
15 OHM
C302
C303
.01 MFD
R310
75 OHM
C401
18 MFD
C304
R311
.02 MFD
68 OHM
C402
.02 MFD
C305
.01 MFD
R312
5.6K OHM 2 W
C403
.02 MFD
C306
2 MFD
R313
6.8K OHM
C404
.02 MFD
C307
.47 MFD
R314
10K OHM
C405
.02 MFD (CRATER
C308
.22 MFD
R315
1K OHM 12 W
CKT. ONLY)
C309
.02 MFD
R316
33K OHM
C310
.01 MFD
R317
10K OHM
CR401
DPST N.O. 24 VDC
R318
560 OHM
R319
2.7M OHM
D401
D301
R320
100 OHM
THRU
1A
1 A
THRU
D405
D304
LED3A
RED LIGHT
LED3B
EMITTING DIODE
LED4A
RED LIGHT
D305
LED4B
EMITTING DIODE
1 A
THRU
D312
OC1301
OPTO-ISOLATOR
R401
1.5K OHM
OC1302
OPTO-ISOLATOR
R402
6.8K OHM
R403
100K OHM 2 W
DZ301
5.1V
R404
4.7K OHM
DZ302
10V
Q301
2N4123
R405
2.7K OHM
DZ303
25V
Q302
2N5815
R406
1.5K OHM
DZ304
15V
Q303
MPS A13
R407
1K OHM
DZ305
3V
R408
10K OHM 2 W
DZ306
3V
QU301
UJT
R409
5K OHM 2 W
R410
50K OHM TRIMMER
TP301
TRANSIENT PROTECTOR
R411
470 OHM
R301
47K OHM
TP302
TRANSIENT PROTECTOR
R412
6.8K OHM
R302
3.3K OHM 2 W
R303
6.8K OHM
PT301
PULSE TRANSFORMER
Q401
2N4123
R304
68K OHM
QU401
2N6027
100K OHM
R305
S301
SPDT TOGGLE SWITCH
R306
4.7K OHM 2 W
X401
QUAD 2 INPUT NANDGATE
R307
100 OHM
T301
24V TRANSFORMER
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ESQUEMA ELÉCTRICO
21
525 (24V)
VARIABLE VOLTAGE
BOARD (NA-3S ONLY)
D307
532
D306
T301
C303
4
1
Q302
24
DZ304
PT301
START
531A
VAC
5
3
C305
D311
TP
562
D309
301
OCI301
6
D308
D312
LED 3A
C309
S301
VV
TP
CV
5
4
302
D310
DZ301
C310
4
1
Q301
6
DZ305
Q303
5
OCI302
2
L
H
21
C306
+
D304
C308
N.E.
C307 +
D305
539
592
528
525 (24V)
D106
635
629
D401
D108
D403
D404
Q105
D402
WIRE
C108
FEED
CR
LED
D112
SPEED
401
C207
4A
LED
1A
D109
D114
593
Q401
Q103
C404
S3
DZ102
INCH
539
D110
UP
LED
*
SWITCH
1B
586
539
F103
539S
539
539S
A.N.S.I. ELECTRICAL SYMBOLS PER E1537.
N.A.
TO OPERATE UNIT WITHOUT VARIABLE VOLTAGE BOARD JUMPER 637 TO 539 AND 635 TO 636.
N.B.
TO OPERATE UNIT WITHOUT OPTIONAL START BOARD JUMPER 583 (S) AND 584 (S)
N.C.
TO OPERATE UNIT WITHOUT CRATER FILL BOARD JUMPER 583 (C) AND 584 (C)
N.D.
X201 THRU X207 AND X401 - PIN 7 CONNECTED TO 539 - PIN 14 CONNECTED TO 515
FOR START P.C. BOARD L9917-1 AND UP USE
N.E.
WHEN CONTROLS ARE USED WITH R3S POWER SOURCES OF THE TYPE WHICH USES TAPS CONNECTED
M17938 SCHEMATIC FOR COMPONENT VALUES
WITH A TRIANGLE PLATE FOR MAJOR VOLTAGE ADJUSTMENTS, JUMPER TO BE CONNECTED TO
AND CIRCUIT CONNECTIONS.
PIN "L". FOR ALL OTHER POWER SOURCES JUMPER TO BE CONNECTED TO PIN "H".
FOR CRATER FILL P.C. BOARDS L5222-2 AND UP,
USE M17939 SCHEMATIC FOR COMPONENT VALUES
N.F.
THESE JUMPERS ARE NOT PRESENT ON LOGIC P.C. BOARDS WITH DIP SWITCHES.
AND CIRCUIT CONNECTIONS.
COMPONENTS NOT ON P.C. BOARD
NOTE: SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
R1
2 OHM 50 W
R2
10K OHM 2 W POWER SOURCE
THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT
OUTPUT CONTROL
COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE NUMBER.
R3
5K OHM 2 W WIRE FEED SPEED CONTROL
R4
250 OHM 25 W
S1
DPST CONTROL POWER SWITCH
S2
SPDT TRAVEL SWITCH
S3
SPST INCH UP SWITCH
METHODS OF TRAVEL
S4
SPST INCH DOWN SWITCH
FOR EARLIER LOGIC P.C.
S5
SPST START SWITCH
BOARDS WITH JUMPERS
S6
SPST STOP SWITCH
CONNECT
START/STOP WITH SWITCHES
LEAD #691 to P6
LEAD #692 to P5
CONNECT
LEAD #691 to P6
1CR
SPST 110 VDC COIL
START/STOP WITH CURRENT
LEAD #692 to P7
2CR
SPST 110 VDC COIL
3CR
SPST 110 VDC COIL
CONNECT
START WITH CURRENT
4CR
REED SWITCH ACTUATED BY
LEAD #691 to P5
STOP WITH STOP SWITCH
WELDING CURRENT
LEAD #692 to P7
5CR
OPTIONAL - SPST, 110 VDC COIL
START WITH START SWITCH
CONNECT
ACTUATED BY 4 CR CIRCUIT
STOP AFTER CRATER FILL
LEAD #691 to P8
(CRATER FILL BOARD INSTALLED)
LEAD #692 to P9
OPTIONAL
6CR
SOLID STATE RELAY FOR
LINC-FILL
LINC-FILL STARTING
STARTING
RELAY OPERATION
RELAY KIT
7CR
LINC-FILL STARTING
RELAY
562
LOGIC BOARD
694
P10
P8
691
P6
525
P5
692
P7
N.F.
P9
582
P3
581
693
P1
690
P4
STOP
P2
539S
637
START BOARD
CRATER FILL BOARD
75
75
75
575
576
76
76
CR401
CR401
76
77
77
77
528
636
583(C)
586
587
515
584(S)
583(S)
592
515
635
515
629
525 (24V)
X401
D401
D403
12
583(S)
R404
11
R404
13
D
D404
LED
LED
D402
4B
4B
TIME
TIME
WIRE
DELAY
X401
DELAY
FEED
CR
LED
5
SPEED
401
4
B
C403
4A
C403
6
X401
2
A
1
3
QU401
QU401
R405
R405
Q401
C402
X401
592
C401
9
C401
C404
D405
10
C
D405
8
539
S4
*
OPTIONAL START
INCH DOWN
BOARD
SWITCH
OPTIONAL CRATER
FILL BOARD
539S
1
2
3
4
SAMPLE SWITCH
SWITCH POSITION 1 IS UP
SWITCH POSITION 2 IS DOWN
FOR LOGIC P.C. BOARDS WITH
SWITCH POSITIONS 3 AND 4 ARE NOT APPLICABLE
DIP SWITCHES
METHODS OF BURNBACK
1
2
3
4
1
2
3
4
FOR LOGIC P.C. BOARDS WITH
FOR EARLIER LOGIC P.C.
BOARDS WITH JUMPERS
DIP SWITCHES
SWITCH #1
SWITCH #2
USE OF CRATER FILL BOARD
1
2
3
4
1
2
3
4
CONNECT
1
2
3
4
1
2
3
4
WIRE FEED STOP & CONTRACTOR
LEAD #693 TO P3
CRATER BOARD INSTALLED?
DELAY
LEAD #690 TO P4
SWITCH #1
SWITCH #2
SWITCH #1
SWITCH #2
YES
1
2
3
4
1
2
3
4
CONNECT
1
2
3
4
1
2
3
4
LEAD #693 TO P1
(REMOVE JUMPER CONNECTOR
INCH UP & CONTACTOR DELAY
LEAD #690 TO P4
"B" FROM 584(c) TO 583(c))
SWITCH #1
SWITCH #2
SWITCH #1
SWITCH #2
1
2
3
4
1
2
3
4
CONNECT
1
2
3
4
1
2
3
4
NO
INCH UP & NO CONTACTOR
LEAD #693 TO P1
(INSTALL JUMPER CONNECTOR
DELAY
LEAD #690 TO P2
"B" FROM 584(c) TO 583(c))
SWITCH #1
SWITCH #2
G-4
510
510A
510A
2CR
5CR
3CR
1CR
510A
510A
589
681
682
585
689
6CR
539
539
539
539
525
525
636
635
635
635
641
641
634
642
629
629
525 (24V)
629
584C
588
587
QU103
C116
583(C)
584(C)
588
PT104
X401
PT501
12
C119
C120
11
D
13
X401
5
C118
587
4
B
6
X401
2
A
Q107
Q106
1
3
C402
Q108
X401
9
10
C
8
C117
539
FOR EARLIER LOGIC P.C.
FOR LOGIC P.C. BOARDS WITH
BOARDS WITH JUMPERS
DIP SWITCHES
CONNECT
1
2
3
4
1
2
3
4
LEAD #694 TO P10
SWITCH #1
SWITCH #2
CONNECT
1
2
3
4
1
2
3
4
LEAD #694 TO P8
SWITCH #1
SWITCH #2
AUTOMATICS (NA-3N AND NA-3S)
OPERATING SCHEMATIC
G
1385
1-5-96J
NA-3 Y NA-4
Publicidad
