Lincoln Electric SVM146-A service manual 2ELECTRICAL Diagrams G-2, Wiring Diagram PRO CUT

Page 100

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TOC

G-2ELECTRICAL DIAGRAMSG-2

WIRING DIAGRAM - PRO CUT 80

RIGHT SIDE OF MACHINE

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INPUT

PER

N.A.

FAN FAN

FAN

FAN

MOTOR

 

C1

 

 

 

 

3000/450

 

 

 

 

-

+

 

 

 

 

203

206

209

 

 

 

 

 

 

 

 

 

205

 

 

 

 

208

RELAY

4

1

501

505

++VOLT

5

2

502

 

P_XFMR

6

3

503

506

POWER

J10

 

507

204

201

 

 

 

 

 

 

207A

F

-

 

 

C

 

 

 

 

C

 

H1

 

207

 

 

TP1

 

 

E

 

 

TP3

 

D1

 

 

 

 

B

 

B

 

 

 

INPUT

 

 

 

 

BRIDGE

 

TP2

 

209

D+

A

A

A

 

 

H1

 

N

8

53

G

W

R

B

 

 

 

 

 

 

 

 

H2

12V

 

W

V

U

 

 

5

N

3

56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

H3

24V

R

2

51

 

 

 

S1

 

 

 

 

 

 

 

 

 

 

 

 

 

R

6

54

 

 

 

 

 

7

H4

 

 

A

B

C POWER

 

 

 

 

U

9

64

 

 

 

 

 

 

 

H5

18V

 

 

 

 

 

 

8

 

W

5

62

 

 

 

S3

 

S2

 

18V

 

 

 

 

4

H6

U

4

61

 

 

 

PSI_SET

 

RESET

 

 

Y

1

FAN

 

 

 

277B

 

 

J22

 

115V

 

 

277A

 

 

 

 

 

 

 

 

 

 

 

 

Y

7

FAN

 

 

 

223

 

 

 

 

 

 

 

 

221

 

 

 

AUXILIARY

 

J21

 

 

 

 

 

 

+15V

 

TRANSFORMER

 

 

 

 

 

216

15

 

 

T2

 

 

 

 

 

 

217

14

READY LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61 62

64

 

 

212

13

LOW_PSI LED

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207A

203

S4 PRIMARY RECONNECT

203

 

207A

202

 

206

202

 

MACHINE

206

REAR OF

 

SHOWN FOR 400-460VAC OPERATION

N.C.

AA

0.6A

SLOW BLOW

H2

H3

200-

220-

208V

230V

 

380-

440-

415V

460V

H4 H5

xxxxxxx

404

 

202207

+C2-

3000/450

X4

 

J33

 

R

 

 

 

 

 

 

 

XFER

ELEC

3

1

W

 

 

 

 

ELEC

XFER

4

2

R

 

 

 

 

 

 

W

 

 

X2

 

 

X40

 

 

 

 

 

 

X20

 

 

 

 

B21

 

 

 

 

 

 

 

 

 

 

 

 

 

J31

 

6

1

366

4

1,2 TRIGGER

7

2

2

369

4 ELECTRODE

3 NOZZLE

 

 

8

3

364

360

5,6 AIR SOL

 

9

4

 

 

E

7,8 ELEC SOL

10

5

365

361

10 WORK

 

 

 

 

J34

5

1

2A

4A

 

6

2

343

 

 

 

 

 

7

3

347

J32

 

 

8

4

344

348

8 AIR SOL

 

8

1

309 310

2 ELEC SOL

 

9

2

3 TRIGGER

 

10

3

354

13 IGBT

 

 

 

 

11

4

 

 

 

14 GND

 

 

 

 

 

 

 

12

5

 

 

 

 

 

 

303

 

 

 

 

13

6

 

 

 

 

312

 

 

 

 

14

7

 

 

 

 

 

 

 

J30

 

 

4

1

54 51

1,4 24V

 

 

 

 

5

2

53 56

OUTPUT

 

12V

6

3

L1 CHOKE

E

 

 

 

 

 

 

S

 

 

 

 

xxxxxxx

 

 

 

 

 

218 12 POT WIPER

T3

 

 

I

 

 

 

CURRENT

 

 

 

TRANSFORMER

Y

Y

 

 

 

 

 

 

3

 

205

-OUT

S

 

 

 

 

 

 

201

BK

S

 

 

 

 

-IN

 

 

 

BK

 

I

7

208

204

 

-OUT

 

FR

-IN

 

S

 

FR

 

 

6

 

S

 

 

2

 

 

 

X1

X3

 

W

 

 

 

X10

 

 

 

T1

 

 

MAIN

 

 

XFMR

 

B

 

 

S

X2

-IN

 

FR

 

S

 

-OUT

 

FR

X20

X30

 

 

 

 

 

18V 18V

 

 

 

213

11

RESET

 

 

 

J5

 

1

2

 

 

 

 

 

 

 

 

 

 

219

10

GND

 

 

 

 

3

4

 

 

 

 

 

4

8

 

 

 

 

 

507

 

 

 

 

214

9

THERMAL LED

 

P_XFMR

 

 

 

 

 

503

3

7

J1

 

 

 

502 506

2

6

++VOLT

 

 

 

210

8

RESET LED

 

 

 

 

 

501

505

1

5

RELAY

 

6

1

 

 

215

7

PSI SET

 

 

 

 

 

 

216

212

 

6

 

 

Y Y

 

J4

 

 

7

2

275

5

 

 

3

6

CT

 

8

3

217

213

276

4

 

 

 

2

5

 

 

9

4

218

214

223

3

 

401404

 

 

219

 

1

4

TSTAT

 

10

5

215

277

2

 

 

 

 

 

 

 

J2

 

210

 

221

1

 

 

 

 

J3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

275

J40

 

 

W

8

16

 

 

 

 

 

 

R1

 

 

FRONT OF MACHINE

 

 

-IN

 

365 N N

 

 

 

360

A

S

BK S

-OUT

 

 

 

BK

 

 

X4

 

X40

 

 

 

 

 

 

R

7

15

7,8 ELEC SHUNT (TWIST PR)

276

 

10K

 

 

 

 

 

277

 

2W

 

 

 

 

306

6

14

 

CONTROL

 

 

 

 

W

5

13

4,5 XFER SHUNT (TWIST PR)

277A

 

POT

 

 

DISPLAY

 

R

4

12

12 GND

 

CW (MAX)

 

 

 

312

11 TRIGGER

 

 

 

 

 

 

303

3

11

 

 

 

 

 

 

354

3 IGBT

 

 

 

 

 

 

 

2

 

2,6 PSI SWITCH

 

 

 

 

 

 

310 302

10

 

 

 

 

 

 

10 ELEC SOL

 

 

 

 

 

 

309

 

1

9

9 AIR SOL

344

343

348

347

2A

4A

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A B C D E F G H I J K L M N

 

 

 

 

 

INTERFACE RECEPTACLE

 

 

 

J20

 

 

 

306

1

W

 

 

2

Y

S5

 

 

PRESSURE

 

302

4

R

 

WORK

361

 

AIR

 

W

366

 

SOLENOID

 

 

N

N

4

2

 

7

8

 

 

 

369

6

 

9

 

364

NOTES:

401

E

5

N.A.

1. FOR MACHINES SUPPLIED WITH INPUT CABLE

FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.

CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.

WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.

FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.

CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.

LEFT SIDE OF MACHINE

COLOR CODE: B = BLACK G = GREEN R = RED

J40

41

3 2

TOC

TOC

2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE

FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.

CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.

FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.

CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.

N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT

OUTPUT

BASE

CASE FRONT

PC BOARD

 

 

PROTECTIVE BONDING CIRCUIT

W = WHITE U = BLUE N = BROWN

Y = YELLOW

115

J3

 

J2,J21,J31

J1,J20

J4,J10,

J5,J22,

 

 

J32

 

J33

 

J30

 

J34

 

 

 

 

 

 

 

 

 

 

 

 

1

8

1

5

1

2

1

3

1

4

1

7

 

 

 

 

 

 

 

 

 

 

 

 

 

Return to Section

COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER. N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.

CONNECTION SHOWN IS FOR 440-460V OPERATION. N.D. C1 AND C2 CAPACITORS ARE A MATCHED SET.

9

16

6

10

3

4

4

6

5

8

8

14

ELECTRICAL SYMBOLS PER E1537

CONNECTOR CAVITY NUMBERING SEQUENCE

(VIEWED FROM COMPONENT SIDE OF BOARD)

XL-RW

L10936

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.

PRO-CUT 80

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Contents PRO-CUT Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications PRO-CUTTechnical Specifications Cont’d PRO-CUT GAS RequirementsSafety Precautions Select Suitable LocationLifting and Moving StackingInput Power Cord Connector Installation Input Wire and Fuse SizeInput Connections Ground ConnectionReconnect Procedure Reconnect ProcedureGAS Input Connections Return Return to Section TOCOutput Connections Torch ConnectionTable of Contents Operation Section OPERATIONB-2 Safety InstructionsOperating Instructions Operational Features and Controls Design Features AdvantagesOperation General DescriptionConsumable Life Cutting CapabilityLimitations Cutting Operation Controls and SettingsPilot ARC Considerations Safety Status Indicator Preheat Temperature for Procedure RecommendationsPlasma Cutting User ResponsibilityThick Sections of Metal Suggestions for Extra Utility from the PRO-CUT SystemARC Initiated ARC StartARC Voltage PRO-CUT Table of Contents AccessoriesGeneral Options Accessories Table of Contents Maintenance Input Filter Capacitor Discharge Procedure Electric Shock can killRoutine Maintenance Periodic MaintenanceMaintenance Table of Contents Theory of Operation Section Input Line VOLTAGE, Switch and Main Transformer Theory of OperationPower Board Precharge and ProtectionMain Transformer Figure E.4 Main TransformerOutput Board and Torch Figure E.5 Plasma Output Board and TorchControl and Display Boards Figure E.6 Control and Display BoardsOverload Protection Protection CircuitsThermal Protection Insulated Gate Bipolar Transistor Igbt Operation Minimum Output Pulse Width ModulationMaximum Output PRO-CUT Table of Contents Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures PC Board can be damaged by static electricityTroubleshooting Guide Output ProblemsFunction Problems Air begins to flow when Make sure the air pressure is Cutting Problems LED Function Problems Troubleshooting Guide Description Materials NeededInput Filter Capacitor Discharge Procedure Figure F.1 Location of Input Filter Capacitor TerminalsInput Rectifier Test Test Procedure Input Rectifier TestTest Point Terminals Analog Meter X10 Range Primary Power Board Resistance Test Capacitor Voltage Test Primary Power Board Resistance Test Capacitor Voltage TestBoard Removal and Replacement Procedure Test Procedure Table F.3 Capacitor Voltages Output Power Board Resistance Test Output Power Board Resistance Test Figure F.4 Output Power Board Lead LocationsOutput Power Board Removal and Replacement Procedure Torch Continuity and Solenoid Test Test Procedure Torch Continuity and Solenoid TestAIR/GAS Solenoid Test AIR/GAS Solenoid Test Figure F.6 AIR SolenoidT2 Auxiliary Transformer Test Procedure T2 Auxiliary Transformer TestTest Point Expected Voltage Yellow 1J21 Yellow 7J21 115VACTrigger Circuit Test Trigger Circuit Test Simplified Trigger CircuitPerform the Input Filter Capacitor Discharge Procedure PRO-CUT 80 Output Board LED Definitions Control Board LED Definitions Figure F.11 Control Board LEDsLOW Voltage Circuit Test LOW Voltage Circuit Test T2 Auxiliary TransformerFigure F.12, Low Voltage Circuit Diagram Test Point Figure F.15 Display Board Test Points Control Board Removal and Replacement Control Board Removal and Replacement ScrewsFigure F.18 Control Board Removal from Mounting Pins Display Board Removal and Replacement Display Board Removal & Replacement Figure F.19 Case Front Screw RemovalFigure F.20 Display Board Removal Output Power Board Removal and Replacement Output Power Board Removal & Replacement Output Power BoardFigure F.22 Output Board Lead Locations Replacement Procedure This procedure takes approximately 40 minutes to perform Removal and Replacement Primary Power Board and Filter CapacitorRemoval Procedure Heatsink Mounting Screws Socket Head Capacitor Replacement and P.C. Board Replacement Capacitor RemovalInput Rectifier Bridge Removal and Replacement Input Rectifier Bridge Removal and Replacement Figure F.25 Input Rectifier Lead Locations PRO-CUTTroubleshooting & Repair Retest After Repair Input Idle Amps and WattsPRO-CUT Electrical Diagrams 2ELECTRICAL Diagrams G-2 Wiring Diagram PRO CUTSchematic Control PC Board Cutting Current Setpoint LocalPC Board Assembly Control Board Code 10574 only PRO-CUT 80 ControlPC Board Assembly Control Board Code 10577 & 10578 only G3560-16ELECTRICAL DIAGRAMSG-6 Schematic Power PC BoardPC Board Assembly Power Board PowerElectrical PC Board Assembly Output Board Reqd IdentificationSchematic Display PC Board FilenamePC Board Assembly Display Board Light BAR,LED,GREENSVM Error Reporting Form

SVM146-A specifications

Lincoln Electric's SVM146-A is a versatile and powerful multi-process welding machine designed for professionals in various industries. Known for its robustness and reliability, this machine excels in both performance and user-friendly features, making it a popular choice among welders.

One of the standout features of the SVM146-A is its multi-process capability, allowing users to perform MIG, TIG, and stick welding using a single unit. This versatility is enhanced by Lincoln Electric's innovative Auto-Set technology, which automatically adjusts the machine's settings based on the selected process and materials being welded. This feature significantly reduces the time spent on setup and helps ensure optimal weld quality, even for less experienced operators.

The SVM146-A is powered by a reliable inverter design, which provides greater efficiency compared to traditional transformer-based machines. This compact and lightweight design allows for easy transport, making it ideal for job sites or remote locations. The inverter technology also contributes to enhanced arc stability and better overall performance, providing high-quality welds in less time.

Another key characteristic of this welding machine is its robust construction, designed to withstand the rigors of heavy industrial use. The SVM146-A features a durable chassis and control panel, ensuring longevity and reliability under challenging working conditions. Additionally, its intuitive interface allows users to easily navigate settings and make adjustments as needed.

Safety is a paramount concern in welding applications, and the SVM146-A is equipped with several safety features, including over-temperature and over-voltage protection, ensuring that the machine operates safely even in demanding environments. It also features a start inhibit system, preventing the machine from being started under unsafe conditions.

The SVM146-A is compatible with a variety of welding accessories and consumables, enhancing its flexibility and usability across different applications. Whether it’s automotive repair, heavy fabrication, or maintenance work, this welding machine adapts to various tasks, making it a valuable addition to any professional's toolkit.

In conclusion, Lincoln Electric's SVM146-A stands out as a multi-process welding machine that combines advanced technology, robust design, and user-friendly features. It is engineered for performance and reliability, making it an excellent investment for professionals dedicated to achieving high-quality welds.
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