Lincoln Electric SVM112-B service manual Schematic Protection Printed Circuit Board, 4512

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

G-14 ELECTRICAL DIAGRAMS G-14

SCHEMATIC - PROTECTION PRINTED CIRCUIT BOARD

4512

G

D15

AUXILIARY

WIRE FEEDER 1

WIRE FEEDER 2

POWER BD

DISPLAY BD

AMPTROL

R1

24VAC

+24V

150

J33

J33

J33

J33

J33

J33

J34

J34

J34

J34

J34

J34

J34

J34

J34

J34

J34

J34

J34

J34

J35

J35

J35

J35

J35

J35

J37

J37

J37

J37

J38

J38

J38

J38

X4

R2

IN

OUT

1

2

3

4

5

6

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1

2

3

4

5

6

1

2

3

4

1

2

3

4

150

L1

D11

D13

134R

R3

ADJ

221

1

150

J36

J32

.39mH

FROM CURRENT

24VAC FROM

C10

C12

R4

3

TP2

V511

3300

4.7

TRANSFORMER

150

AUXILIARY

2

50V

50V

J32

35V

24V

R5

49361N

49361N

TRANSFORMER

L2

15J

C11

R162

150

3

6.81K

10K

ART

V42

J36

C1

1D

D3

J32

+ t

.39mH

135R

136R

1

TO CONTROL BD

.25

D12

D14

4

50V

ST

J36

START

2

105

D2

3649 1N

D4

49361N

POWER SUPPLY

106

J36

4

SECONDARY - 4000V ISOLATION FROM PRIMARY CIRCUITS

TO LOAD SIDE OF CONTACTOR

J30

J30

J30

J30

J30

J30

J30

J30

+24V

16

11

2

3

4

5

7

8

1

2

CR1

CR2

601R

200

150R

200

200

151 R

200

200

161 R

200

+24V

+24V

24 VDC

24 VDC

20W

20W

R129 20W

20W R132

20W

20W

C13

.0027

50V

D19

1

HIGH VOLTAGE DIVIDERS

+10Vp

CAP1 FAULT

ENABLE

2

J31

5K.47

SOFT START

4 CR1

4 CR2

R54

R58

33.2K

DISABLE

5

UPPER CAP

FAULT

PRIMARY - 2500V ISOLATION

R47

10K

J31

51R

SOFT START

3

3

10K

33.2K

VOLTAGE MONITOR

SOFT START DISABLE

FROM ALL CIRCUITS

12

2

R137

R46

NO FAULT

3

Q9

1

475

X7 A

R60

X5 A

Vupcap

3

1

2N4401

267K

CW

3

5.11K

267K

R40

R43

R44

X6 A

1

R52

2

D16

D18

10K

C24

2K

VOLTAGE

2

Q6

K1.8 6

R55

61R 15.0K

18

R59

C29

22.1K

MONITOR 1

C26

15.0K R53

600mA

15V

SOFT START

+10Vp

GAIN = .016 V/V

15.0K

R50

40V

267K

41R

267K

R42

R45

10K

UNDER VOLTAGE &

6

1

9

10

12

13

14

15

VERIFY CHARGE

R48

Vfault

J30

J30

J30

J30

J30

J30

J30

J30

J31

22.1K

Vupcap > 170 VDC

R6

14

TO LOAD SIDE OF INPUT SWITCH

1.00K

2

5

+24V

J31

X6 B

7

3

24VAC

D17

J31

6

V < 170V

4

J31

DISABLE RM

C14

R49

6

J31

.0027

50V

8.25K

V > 170V

ENABLE RM

3.32K

281R

138R

3.32K

7

J31

J31

R75

R140

START

10

10K

+24V

6

33.2K

+24V

1

6

200

R74

1

TO CONTACTOR COIL

C36

26.7

OUTPUT

X5 B

7

OCI5

MT2

4

Vupcap or 0V

K00

157

1R

CW

5

D35

ENABLE

0.1

3043

TRI1

J32

DISABLE

267K

50V

G

6

2K

R130

RUN MODE

2

4

MT1

C25

133K

267K

R68

R71

R72

VOLTAGE

R83

4.75K

DISABLE

.1

R

.1

J32

K32 .3

551R

K32 .3

541R

J39

400V

R13

4

MONITOR 2

R79

CAP2 FAULT

RUN MODE

5

R139

J32

267K

R69

R70

R73

GAIN = .016 V/V

13

150K

RUN MODE DISABLE

R82

4

100

267K

10K

R76

10

Q12

1.00K

14

475

X7 C

R85

150K

X5 D

10

8

2N4401

12

22.1K

R77

Vlowcap

X6 C

8

R80

9

C16

+24V

1

5

8

150K

D21

D22

10K

133K

R84

TO CONTROL BD

J31

LOWER CAP

9

Q11

100

RUN MODE

R86

K0.5 1

C34

OCI4

DZ15

9

J31

C15

150K

R78

FAULT

C27

K0.5 1

600mA

20V

0.1

1.00K R11

CNY17-3

6.2V

11

.0027

50V

VOLTAGE MONITOR

18R

40V

50V

2

6

4

1W

J31

NO FAULT

13

J31

R92

33.2K

ENABLE

GND

J31

R104

OUTPUT

R12

1

10K

33.2K

DISABLE

9

56.2K

R103

R89

D24

5

OUTPUT

8

X5 C

Vupcap + Vlowcap

68.1K

X7 B

7

C35

267K

R97

267K

00R1

101 R

CW

10

OR Vlowcap

19R

6

475

150p

2K

VOLTAGE

50V

521R

K1.2 2

MONITOR 3

R93

K0.5 1

SECONDARY - 4000V ISOLATION FROM PRIMARY

Vfault

C17

267K

R98

267K

R99

02R1

10K

GAIN = .016 V/V

2K.65

R90

R95

18

15V

15.0K

Q14

C28

Q17

12

600mA

R142

15.0K R96

40V

2N4401

14

+10Vp

22.1K

R113

X8 D

R119

R143

13

153R

K0.5 1

100K

V/F CONVERTER

+24V

1.50K

22.1K

+24V

10K

R116

2

.1K22 R144

J39

13

13C

R9

2

R112

2.43K

X8 A

1

6

K28

127

14

100

10K

X6 D

R159

R117

3

+10Vp

33.2K

X8 B

9

J39

+10V PREC.

R111

12

681

2.43K

R124

7

X8 C

.1

R

1

5

+10Vp

DZ13

8

+10Vp

10V

10

108R

R109

R110

K32 3.

7R

K23 3.

1W

R120

D28

100K

100K

DZ14

1.50K

1

5

TO CONTROL BD

+10Vp

100K

4

1N4936

6.2V

11R

C32

1.00K R8

1W

OCI3

R158

Q15

2

6

4

CNY17-3

05R1

1K

51R1

CAP DELTA

1.0

1A

100K

C18

1W

100V

Q16

J39

GND

CW

(ADDS GAIN +

3

0.27

1A

12

SHIFTS Fc)

50V

R123

100V

X7 D

14

C30

R125

2.21K

R10

GND

13

2.67K

061R

4.7

DZ11

2.21K

56.2K

GENERAL INFORMATION

35V

+24V

221R

DZ12

LAST NO. USED

1

+

15V

K12. 2

612 R

15V

1W

K122.

ELECTRICAL SYMBOLS PER E1537

R- 162

Q- 17

1W

8

X9

C33

CAPACITORS =

MFD (

.022/50V

UNLESS OTHERWISE SPECIFIED)

C- 36

DZ- 15

REF

TL431

CAP DELTA MONITOR

150p

RESISTORS = Ohms (

1/4W UNLESS OTHERWISE SPECIFIED)

LABELS

D- 35

1.00K

107R

6

-

FREQ RANGE

0-2.5KHz

50V SECONDARY - 4000V ISOLATION FROM PRIMARY

DIODES =

1A, 400V

(UNLESS OTHERWISE SPECIFIED)

SUPPLY VOLTAGE NET

4

4

4

4

POWER SUPPLY SOURCE POINT

C20

C21

C22

C23

CAP1=CAP2

Fc=1.25KHz

COMMON CONNECTION

X5

X6

X7

X8

CAP1>CAP2

F<1.25KHz

FRAME CONNECTION

FILENAME: G2451_2DA

LM224

LM224

LM224

33074A

CAP1<CAP2

F>1.25KHz

NOTES :

EARTH GROUND CONNECTION

EQUIP.

11

11

11

11

DEADBAND

+/- 375 Hz

N.A.

SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE

Ch’ge.Sht.No.

THE LINCOLN ELECTRIC CO.

INVERTEC

TYPE

GAIN

.25 KHz/V

WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY

1-6-95B

CLEVELAND, OHIO U.S.A.

PROTECTION PC BOARD SCHEMATIC

NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE

SUBJECT

10-27-95G

NUMBER.

SCALE

NONE

NO.SHT. G 2451

1-10-97D

TEL

DR.

TEL

DATE

12-26-91

CHK.

SUP’S’D’G.

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

POWER WAVE 450