Publicidad
G-3
LOGIC PC BOARD (L6242-1) SCHEMATIC
LED 7B
515
D8C
START
D712
DISABLE
R706
581A
581
S801A
DZ702
N.A.
C706
S5
START
D708
565
PROCEDURE
500
PC BOARD
D9C
WELD TIME
515
OVER
D8C
LED 7C
D710
R703
582
DZ701
C704
S6
STOP
500
D9C
D709
515
PROCEDURE
D8C
PC BOARD
687
SHUT-
LED7D
DOWN
C4M
X706
D
R712
528
+
9
D714
CR4
C707
X706
CURRENT
F
13
500
515
D9C
D8C
L701
X706
637
VOLTAGE
A
PRESENT
1
2
C2M
515
Q701
D8C
D717
+
C709
LED 7J
592
DZ703
X705
C3K
592
R718
D
1
C712
S4
DZ704
INCH
DOWN
500
D9C
FOR LOGIC P.C. BOARDS L6242-2 OR HIGHER USE G2974 SCHEMATIC FOR
COMPONENT VALUES AND CIRCUIT CONNECTIONS.
LOGIC P.C. BOARD
C701
.22/100
DZ701
16V, 1W
R704
C702
500/50
DZ702
16V, 1W
R705
C703
4.7/35
DZ703
3V, 1/2W
R706
C704
.047/100
DZ704
16V, 1W
R707
C705
10/25
DZ705
3V, 1/2W
R708
C706
.047/100
DZ706
5.1V, 1/2W
R709
C707
10/25
L701
5.6mH, 28mA
R710
C708
10/25
LED 7A
R711
C709
10/25
THRU
R712
}
RED
C710
LED 7E
R713
LIGHT
THRU
.022/25
LED 7G
R714
EMITTING
C729
LED 7H
R715
}
DIODE
D701
LED 7J
R716
THRU
1A, 400V
LED 7K
R717
D712
Q701
2N 4123
R718
}
}
D714
Q702
R720
THRU
1A, 400V
THRU
2N 5657
R721
D717
Q705
R722
}
}
D718
Q706
R723
THRU
1A, 1000V
THRU
2N 4123
R724
D721
Q711
R725
}
D722
R701
4.7K
R726
THRU
1A, 400V
R702
4.7K
R727
D726
R703
100
NOTE:
Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is provided
for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.
PROCEDURE
583S
PC BOARD
START TIME
WELD TIME
OVER
OVER
P10
X705
X701
9
C
F
8
10
3
4
694
P5
1
X707
N.C.
3
A
2
X705
692
X701
13
E
D
11
11
10
N.D.
12
4
X707
6
B
5
+
C705
691
500
D9C
N.D.
C728
500
P6
P8
D9C
13
X707
515
D
11
12
D8C
C711
C708
566
500
BURNBACK
500
D715
D9C
TIME OVER
D716
X707
D9C
10
C
8
9
500
C729
D9C
8
P7
588
}
12
PROCEDURE
CURRENT
X706
PC BOARD
X702
584S
2
E
A
3
11
10
START
1
TIME
INITIATE
X702
4
B
6
5
12
X702
D
11
CRATER
13
TIME OVER
BURNBACK
P9
TIME
X706
PROCEDURE
INITIATE
B
PC BOARD
3
4
583C
X704
X704
13
9
C
D
11
10
12
2
X703
A
3
1
2
47K
R728
2.7K
470
R729
1.5K
100
R730
68K
4.7K
R731
22K
47K
R732
47K
470
R733
22K
470
R734
47K
15K
R735
22K
470
R736
47K
4.7K
R737
6.8K
4.7K
R738
47K
100K
R739
10K
22K
R740
15K
4.7K
R741
10K
100
R742
15K
2.7K
X701
QUAD 2
1.5K
X702
INPUT
68K
X703
NAND
2.7K
X704
GATE
1.5K
X707
2.7K
X705
HEX
1.5K
X706
INVERTER
68K
X708
+15 V VOLTAGE
REGULATOR
ELECTRICAL DIAGRAMS
X705
B
R741
9
8
Q711
C727
500
D9C
X705
X701
1
A
PRESET
689
A
3
13
12
MONITOR
2
ENABLE
N.B.
Q709
C725
+
X701
5
B
500
6
CR6
4
.047
D9C
MFD
D726
500
D725
D9C
X705
584C
X702
PROCEDURE
10
C
R735
C
6
PC BOARD
5
CRATER
8
9
TIME
INITIATE
C724
500
D9C
X706
C
6
5
690
P4
P1
N.D.
R733
Q707
C723
500
D9C
561
PROCEDURE
PC BOARD
Q710
STRIKE PROCEDURE
STRIKE
DZ706
DISABLE
PROCEDURE
R739
ENABLE
C726
P2
500
X704
X704
2
4
D9C
B
A
3
6
1
5
P3
LED
7E
X703
587
4
FEED
B
9
X703
6
FORWARD
8
C
8
5
10
A3K
586
N.D.
DZ705
ENABLE
693
Q706
B7J
X703
12
R731
D
11
13
S3
INCH
C710
UP
500
D9C
CLEVELAND, OHIO U.S.A.
610
PROCEDURE
564
D1021
A6G
PC BOARD
WELD
24
PROCEDURE
A7E
VAC
ENABLE
D718
CR2
RED
LED 7H
TRAVEL
D722
CR
589
R720
1001
581A
Q702
560
PROCEDURE
D1A
PC BOARD
C719
500
CR
A7H
1002
582
610
D3A
A6G
515
D8C
ELECTRODE
HOT
CR
LT1
1003
R
586
CR3
530
D720
D7J
HOLD-LOW
LED 7K
DISABLE
D723
C4D
POWER
682
Q708
R725
SOURCE
Q704
OUTPUT
C721
500
CR
1004
A7H
592
D7A
610
688
SHUTDOWN
N.E.
ENABLE
A6G
C5K
500
ARC CONTROL
D9C
C5E
ENABLE
CURRENT
CR5
D719
N.A. S801 (SEE PROCEDURE PC BOARD
681
R723
563
Q703
N.B. COMPONENTS INCLUDED WITH
PROCEDURE
PCB
C720
N.C. LEAD 694 TO BE CONNECTED TO
500
A7H
610
A6G
N.D. LOGIC BOARD JUMPER LEADS ARE TO
N.E. HOLD-LOW DISABLE IS USED WITH
CR1
LED 7G
D721
FEED
D724
FLUX OR
585
METHODS OF TRAVEL
WATER
Q705
START-STOP
WITH SWITCHES
START-STOP
C722
WITH WELD CURRENT
500
START WITH WELD CURRENT
STOP WITH STOP SWITCH
A7H
WHEN OPTIONAL
START WITH START SWITCH
PROCEDURE MODULE
STOP AFTER CRATER TIME
IS INSTALLED IN
START WITH START SWITCH
CRATER RECEPTACLE
STOP AFTER BURN-BACK TIME
METHODS OF BURNBACK
WIRE FEED STOP WITH
FOR REMOTE INTERFACE PC. BOARDS L6580-1
CONTACTOR DELAY
OR HIGHER USE S21207 SCHEMATIC FOR
COMPONENT VALUES AND CIRCUIT CONNECTIONS.
INCH UP WITH
CONTACTOR DELAY
OPTIONAL REMOTE INTERFACE P.C. BOARD
INCH UP WITH NO
C1001 THRU C1004
2/50
CONTACTOR DELAY
CR1001 THRU CR1004
SPDT, 24VDC
FOR LEAD #694 CONNECTION SEE N.C.
1A, 600V
D1001 THRU D1004
NA-5 SHIPPED CONNECTED FOR INDICATED
F1001
1/8A FUSE
METHODS OF TRAVEL AND BURNBACK.
R1001 THRU R1004
150
KEY TO SYMBOLS
COMPONENTS NOT ON P.C. BOARD
POWER SUPPLY SOURCE POINT
}
CR1
SPST 110 VDC RELAY COIL
SCHEMATIC LOCATION REFERENCE
CR2
(N.O. CONTACTS SHOWN ON
CR3
SCHEMATIC A)
HORIZONTAL CO-ORDINATE LETTER
REED SWITCH ACTUATED BY
VERTICAL CO-ORDINATE NUMBER
CR4
WELDING CURRENT
SCHEMATIC IDENTIFICATION LETTER
OPTIONAL 110 VDC RELAY
CR5
UNLESS OTHERWISE SPECIFIED, COMPONENT VALUES OF:
COIL ACTUATED BY CR4
CAPACITORS = MFD/VOLTS
OPTIONAL LINC-FILL
CR6
SOLID-STATE PILOT RELAY
RESISTORS = OHMS, 1 2 WATT
LT1
INDICATOR LIGHT
SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT
}
S3
BOARD MAY CHANGE WITHOUT AFFECTING THE INTERCHANGE-
S4
SPST PUSH BUTTON SWITCH
ABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT
S5
SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS
S6
HAVING A COMMON CODE NUMBER.
TIC
22V 600mA SECONDARY
(PRIMARY SHOWN ON SCHEMATIC A)
ELECTRICAL SYMBOLS PER E1537
G-3
D1023
REMOTE INTERFACE
OPTION
RED
R1001
D1001
D1024
D1002
CR
D1022
1001
D1004
F1001
+
D1003
C1001
SWITCH
24V SIG.
D1005
START
R1002
D1006
D1007
SWITCH
CR
1002
SIGNAL
COMMON
COMMOM
+
D1009
D1008
C1002
SWITCH
24V SIG.
D1010
STOP
R1003
D1011
D1012
CR
1003
D1014
+
D1013
C1003
SWITCH
24V SIG.
D1015
INCH UP
R1004
D1016
D1017
CR
1004
SIGNAL
COMMOM
SWITCH
+
D1019
C1004
COMMON
D1018
SWITCH
24V SIG.
D1020
INCH DOWN
SCHEMATIC) MUST BE IN "STRIKE"
POSITION TO START WELD CYCLE.
OPTIONAL LINC-FILL BYPASS KIT
(ALSO SEE SCHEMATIC A).
PIN P10 IF OPTIONAL CRATER MODULE
(SEE SCHEMATIC E) IS INSTALLED, OR
TO PIN P8 IF REMOVED.
BE CONNECTED TO SUIT APPLICATION
PER CHARTS BELOW.
G1556-1 AND EARLIER VOLTAGE BOARDS.
ARC CONTROL ENABLE IS USED WITH
LATER VOLTAGE BOARDS.
LEAD
TO PIN
NO.
NO.
691
P6
692
P5
691
P6
692
P7
691
P5
692
P7
691
P6
692
P9
691
P6
692
P8
LEAD
TO PIN
NO.
NO.
690
P4
693
P3
690
P4
693
P1
690
P2
693
P1
/
1-12-96D
L6682-4
NA-5
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