Section TOC

Master TOC

G-3

ELECTRICAL DIAGRAMS

Wiring Diagram (Wire Feed Module)

 

 

WIRE FEED MODULE - WIRING DIAGRAM

G-3

 

ELECTRICAL SYMBOLS PER E1537

 

MOLEX CONNECTORS

 

J1

J2

J3

J4

CONNECTOR CAVITY NUMBERING

SEQUENCE VIEWED FROM

COMPONENT SIDE OF BOARD.

N.A. LEADS 31, 32 AND 602 DO NOT GO INSIDE WIRE FEED MODULE BOX.

 

 

N.B. COMPONENTS

VIEWED FROM REAR

 

 

1

2

3

4

 

 

5

6

7

8

 

 

9

10

11

12

 

 

 

P5

 

 

 

CONNECTOR CAVITY NUMBERING

 

 

SEQUENCE VIEWED FROM

 

 

LEAD SIDE OF CONNECTOR

 

 

 

 

 

CC/CV SWITCH S1

510

602

 

 

 

SHOWN IN CV MODE

 

 

 

 

 

 

CV CONTROL

 

 

77A

 

R501

75

 

 

 

 

10K

 

 

76A

 

 

 

 

 

 

 

 

609

501

 

REMOTE CONNECTOR

 

 

115 VAC

J

31

 

 

A

32

 

 

 

 

 

 

GROUND B

GND

 

 

CONTACTOR

C

2A

 

 

D

4A

 

 

 

 

 

 

 

 

E

77B

 

 

REMOTE

F

76B

 

 

 

 

G

75A

 

 

 

 

AMPHENOL 1

 

 

 

 

 

77

4A

2

 

 

 

2A

4

 

77B

LOCAL/REMOTE SWITCH S2

SHOWN IN LOCAL MODE

77A 76A

 

 

FLASHING

 

1

Y

 

 

 

 

 

LEADS

 

2

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

503

 

 

 

 

SHUNT

TO

 

4

602

 

 

 

 

FIELD

 

 

 

 

 

 

 

RHEOSTAT

 

 

 

 

 

 

 

 

5

509

 

 

 

 

 

 

 

 

 

 

 

CONNECTS TO

 

 

 

+

6

610

 

 

 

 

 

115V

 

 

 

 

 

 

ENGINE WELDER

 

 

 

7

 

 

 

 

RECEPTACLE J5

 

 

DC

-

 

600

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

10

GND

 

 

 

 

 

 

115V

 

11

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC

 

12

32

 

 

 

 

 

 

 

 

 

P5

N.A.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

1

GND

 

 

 

 

 

 

31

 

2

31

 

 

 

 

 

 

32

 

3

32

 

 

 

610A

 

 

609

 

4

609

 

 

 

 

 

610A

 

5

610A

 

 

 

503A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

510

 

6

510

 

 

 

 

 

 

501

 

7

501

 

 

 

 

 

 

503A

 

8

503A

 

 

 

 

 

 

602

 

9

602

 

 

 

 

 

 

J6

 

 

P6

 

 

 

 

 

 

75

 

1

75

 

 

 

 

 

 

76

 

2

76

 

 

 

 

 

 

77

 

3

77

 

 

 

 

 

 

2

 

4

2

 

 

 

 

 

 

4

 

5

4

 

 

 

 

 

 

75A

 

6

75A

 

 

 

 

 

 

P7

 

 

J7

 

 

 

76B

 

 

 

 

 

 

 

 

 

76

 

 

 

 

 

 

218

219

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

+

621

 

 

 

 

 

 

 

300 AMP

 

 

 

 

 

 

 

 

SHUNT

 

POS

NEG

 

608

609

 

 

 

633

 

 

 

 

CR4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

634

CC +

CC -

 

 

TO NEG

CV -

 

CONTACTOR

 

 

 

 

BRUSH HOLDER

 

 

666

250

25W

622

R502

CONTROL BOARD

218

1

 

219

2

J1

P1

 

6341

6672

23

44

6215

6336

75A7

768

779

75

10

P2

J2

501

1

509

2

503A

3

631

4

630

5

503

6

P4

J4

W

1

610A

2

Y

3

600

4

608

5

6106

7

5108

P3J3

667

+++

C501 C502

C503

CR3

 

630

631

30000 MFD

CONTACTOR

EACH

75 VOLT

 

R

CLEVELAND, OHIO U.S.A.

3-18-94

L9259

SA-250

Page 108
Image 108
Lincoln Electric SVM128-A service manual Wire Feed Module Wiring Diagram

SVM128-A specifications

The Lincoln Electric SVM128-A is a cutting-edge welding machine designed to meet the demands of both professional welders and DIY enthusiasts. This versatile welding power source brings together advanced technology and robust design, making it a reliable choice for various welding applications.

One of the standout features of the SVM128-A is its capability to perform multiple welding processes. It supports MIG, TIG, and stick welding, allowing users to tackle a wide range of projects with ease. This multi-functionality makes it ideal for professionals working in different industries, as well as for hobbyists who enjoy diverse welding tasks.

The SVM128-A is equipped with inverter technology, which enhances its performance by providing a more stable arc and improved energy efficiency. This technological advancement contributes to lower operational costs and allows for a more consistent weld quality across different materials and thicknesses. Additionally, the inverter technology enables the machine to be lightweight and portable, making it convenient for jobs that require mobility.

Another prominent characteristic of the SVM128-A is its user-friendly interface. The machine features intuitive controls and a digital display that allows operators to easily set the desired welding parameters. This simplified setup helps reduce the learning curve for new users while also offering precise control for experienced professionals.

The Lincoln Electric SVM128-A is designed with durability in mind. Its robust construction ensures that it can withstand the rigors of frequent use in demanding environments. The machine is also equipped with various safety features, including thermal overload protection and a duty cycle rating that prevents overheating, ultimately extending its lifespan.

For optimal performance, the SVM128-A provides adjustable output options, allowing users to customize the welding parameters based on their specific needs. This flexibility makes it suitable for welding various metals, including steel, aluminum, and stainless steel.

In summary, the Lincoln Electric SVM128-A combines versatility, advanced technology, and a user-friendly design. With its capability to perform multiple welding processes, lightweight construction, and durable features, it stands out as an excellent option for anyone looking to achieve high-quality welds. Whether for professional or personal use, the SVM128-A is poised to deliver reliable performance and exceptional results.