Lincoln Electric INVERTEC V250-S Bedienungsanleitung PDF herunterladen (Seite 117)

G-6

ELECTRICAL DIAGRAMS

INVERTEC V250S

Control PC Board (G2666) Schematic

50V

0.1

50V

0.1

C10

1.50K

R34

GND

OUT

GND

OUT

GND

267

12V

DZ4

1.0A

30V

D35

4.7

35V

50V

0.1

12V

DZ2

1.0A

30V

50V

0.1

C20

1.0A

30V

267

R15

3300

50V

THERMAL

332K

R67

20V

DZ3

33.2K

R65

TSC4429JJA

TRANSFORMER

18VAC

FROM AUXILIARY

LM350

LIGHT

(+)

100K

R16

1.0

18V

DZ1

ADJ

OUT

1.50K

R10

150

50V

15J

50V

TP1

243

R12

2.67K

R11

50V

.022

C50

FILENAME: G2665_1CB

SCALE

LT1014

50V

C35

Ch'ge.Sht.No.

1A, 400V

CAPACITORS =

50V

.022

C32

50V

.022

+15V

D39

4066B

LM224

D34

R45

R60

10K

R59

D-

2665

UNLESS OTHERWISE SPECIFIED)

FRAME CONNECTION

SUP'S'D'G.

CHK.

EARTH GROUND CONNECTION

(

RESISTORS = Ohms (

SCHEMATIC

DZ- 12

130

Q- 7

X- 9

SHT.

SUPPLY

GENERAL INFORMATION

MFD

UNLESS OTHERWISE SPECIFIED)

SOFT SCRATCH

VOLTAGE NET

V250S CONTROL

LABELS

WITH PUBLISHED STANDARDS

ON 3 PLACE DECIMALS IS + .OO2

ON ALL ANGLES IS + .5 OF A DEGREE

MATERIAL TOLERANCE ("t") TO AGREE

ON 2 PLACE DECIMALS IS + .O2

ON HOLES SIZES PER E-2056

UNLESS OTHERWISE SPECIFIED TOLERANCE

NUMBER.

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

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

N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE

NOTES :

D43

D44

HEXTRGR

100K

R100

D41

4.7

35V

C47

AMPLIFIER

CONTROL

+15V

CURRENT

.022/50V

OVERCURRENT

Vref

FOLDBACK

COMMON CONNECTION

R-

(UNLESS OTHERWISE SPECIFIED)

LAST NO. USED

THE LINCOLN ELECTRIC CO.

SUBJECT

TYPE

CLEVELAND, OHIO U.S.A.

C-

ELECTRICAL SYMBOLS PER E1537

EQUIP.

NO.

POWER SUPPLY SOURCE POINT

DR.

DATE

1/4W

47.5K

R64

100K

R98

47.5K

R95

D36

6.19K

R97

332K

R96

1.50K

R99

1.0

35V

C48

13.7K

R102

40V

600mA

10K

R43

332K

R103

100K

R85

33.2K

R94

332K

R52

5.1V

DZ11

150p

100V

C46

1N914

D40

15.0K

R75

1N914

D33

82.5K

R74

100K

R101

47.5

R113

10K

R76

R46

D19

4.75K

R82

10K

R79

50V

.022

C38

crisp

SD'

D42

+15V

crisp

47.5

R115

D26

6.2V

DZ7

47.5

R114

soft

50V

.022

C40

6.81K

R47

+15V

soft

CONTROL

10K

LOCAL

100

R86

SWITCH

SPDT-Center off

TIG

MODE

REMOTE

D24

OUTPUT

MAX

50V

.022

C28

PRECHARGE TIMER

+15V

332K

R37

D22

12V

DZ12

40V

600mA

33.2K

R128

D46

15.0K

R44

D10

100K

R36

47.5K

R35

+15V

50V

C23

33.2K

R129

D23

PROTECTION

FROM

THERMOSTATS

50V

.0047

C21

D45

D32

47.5

R107

50V

C12

D12

40V

600mA

D11

D13

221

R48

47.5

R106

10K

R108

15V

DZ5

4.75K

R66

10.0

R29

1.00K

R130

1.00K

R41

33.2K

R23

26.7K

R13

50V

.022

C15

56.2K

R18

50V

150p

C14

2.67K

R14

22.1K

R17

100V

47p

C45

4536B

50V

.022

C31

50V

.022

C22

50V

.022

C39

221

R22

35V

4.7

10K

R42

50V

2700p

C19

18.2K

R20

332

R21

Vref

TEST PT B

DIODES =

Test Pt A

100V

47p

C16

50V

.022

C13

+15V

1/2W

R40

50V

.018

C11

CLIM

Vref

SYNC

OUTA

GND

OUTB

Vin

SHUT

RTCT

COMP

V-

V+

I+

I-

SG3847

20V

1.8

C17

10K

R19

2.21K

R33

20V

1.8

C18

1.0A

30V

D29

.24

47.5K

R61

50K

2665

STRIKE

D28

4536B

SET

RESET

IN 1

OUT 1

OUT 2

8 BY-PASS

CLOCK INH

MONO IN

OSC INH

DECODE

1.50K

R39

50V

2700p

C43

50V

C51

56.2K

R88

2.94K

R89

2.94K

R90

100

R104

CIRCUIT

STICK

STARTING

CONTROL

50V

2700p

C44

56.2K

R91

SHUNT

TEST PT D

MAX

AMPLIFIER

4.75K

R62

1.50K

R57

50V

C30

SD'

562

R120

562

R111

562

R127

562

R126

40V

600mA

50V

.022

C29

D20

562

R112

+15V

Vref

crisp

DETECTOR

SHORTING

+ ARC

OCV

75VDC

10K

ARC FORCE

soft

50V

.022

C36

4.75K

R58

47.5K

R77

562

R121

Vref

TEST PT E

Vref

5.1V

DZ10

1.00K

R81

50V

.0047

C26

Vref

562

R30

562

R116

562

R122

8.25K

R71

8.25K

R72

562

R123

562

R31

33.2K

R93

D38

562

R117

10V

DZ9

2.21K

R80

2.21K

R68

332K

R109

6.19K

R53

crisp

HOLD DOWN

O.C.V.

10K

R92

35V

4.7

C27

10K

R55

100K

R69

26.7K

R54

100K

R56

10K

R73

D31

33.2K

R38

crisp

+15V

RELAY COILS

1N4936

D17

PWM

CONTROL

TO PULSE

FEEDBACK

+IFB

CURRENT

TRANSFORMER

TRIGGER

INTERFACE

26.7

R24

26.7

R25

100V

.15

C24

26.7

R27

26.7

R26

1N4936

D16

CURRENT

FEEDBACK

PRIMARY

-IFB

40V

600mA

1N4936

D18

1N4936

D15

+15V

50V

C42

D27

Vref

2.21K

R83

50V

C41

1.50K

OPEN

CIRCUIT

DETECTOR

.022

50 V

C33

75V

DZ8

50V

C49

D14

D37

3.32K

R70

D21

3.32K

R78

D30

100K

R87

100

20V

C25

47.5K

R105

500mA

300V

10K

R49

50V

100K

332K

100K

R51

47.5K

R84

10.0

R28

562

R119

562

R118

562

R124

562

R32

562

R110

562

R125

100V

G-6

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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.

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