Lincoln Electric Wiring Diagram for Code 9546, SP-250 230/460/575V Wiring Diagram

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G-10

ELECTRICAL DIAGRAMS

G-10

 

WIRING DIAGRAM FOR CODE 9546 & 10002

SP-250 (230/460/575V) - WIRING DIAGRAM

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A

541B

 

 

 

 

B

539B

2 LINE X 16 CHAR.

 

(J13)

C

322

 

D

321

ALPHA-NUMERIC

 

 

E

325B

 

 

 

 

F

324B

LCD

DISPLAY

 

OPTIONAL SPOOL OR PULL

 

 

 

GUN RECEPTACLE

AUTO

 

 

 

MANUAL

 

 

 

 

 

GND

PROCESS

 

 

 

SAVE

WIRE/

 

 

 

 

 

GAS

 

 

 

 

 

MEMORY

 

 

 

 

 

1

2

3

4

 

5

 

SPOT

STITCH

IPM VOLTS

TOGGLE

TIMERS

SET

SET

 

4

5

OFF

DISPLAY

DISPLAY

 

 

 

1

2

3

4

5

6

7

8(J1)

9*

10

11

12

13

14

15

16

5

 

3

 

1

(J2)

7

*

9

6

 

8

2

4

 

(J7)

 

 

CONTROL BOARD

 

 

 

 

1

 

 

*

 

 

 

*

 

 

 

 

 

 

 

(J8)

*

2

 

 

 

 

 

 

(J4)

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

1

2

3

4

 

 

 

 

 

 

 

 

 

 

(J9)

*

 

 

 

 

1

2

3

4

 

5

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

515

325A

324A

206A

541A

495

542

543

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

202

1

 

 

 

1

555

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

204A

2

 

 

 

2

206B

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

203

3

 

 

 

3

515B

 

 

 

 

 

206

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

4

325

 

 

 

 

 

207

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G1

5

 

 

 

5

 

 

 

 

 

 

 

GND

6

 

 

 

*

 

 

326

 

 

 

 

 

 

 

 

204

6

 

 

6

 

 

 

 

 

209

7

 

 

 

 

 

 

 

 

 

 

 

 

 

G2

7

 

 

324

 

 

 

 

 

 

 

 

(J5)

 

 

7

 

 

 

 

 

 

8

*

 

 

 

8

 

 

 

8

539

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

(J6)

 

 

 

 

 

 

9

541

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

10

 

 

 

 

 

 

 

205

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

11

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

12

 

 

 

 

 

 

 

206S

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

325A

14

 

 

 

 

 

 

 

 

14

327

 

 

 

 

 

320

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

16

 

 

 

 

 

(J3)

*

GAS

SP - 250

SPOOL GUNSOLENOID MODULE

1541B

2321

3324B

6539B

 

 

(J12)

 

 

7

322

 

 

 

*

 

 

8

325B

 

 

 

 

 

 

4

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

9

 

 

 

 

 

*

 

10

 

 

 

(J11)

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

515

325A

324A

206A

541A

495

542

543

GENERAL INFORMATION

ELECTRICAL SYMBOLS PER E1537

COLOR CODE:

B - BLACK

W - WHITE

R - RED

U - BLUE

*INDICATES CONNECTOR CAVITY NO.

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N.F.

KEYPAD MATRIX

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GND

 

 

 

 

 

 

 

 

R.F. CHOKE AS'BLY.

 

 

B

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

515B

1

 

515B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

326

1

326

 

 

 

 

555

2

 

555

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIEZO

325

2

325

 

 

 

 

539

3

 

539

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

327

3

327

 

 

 

 

206B

4

 

206B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALARM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

324

4

324

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES

 

 

 

 

 

 

 

 

 

 

 

541

6

 

541

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.A. WELDING CABLE MUST BE OF PROPER CAPACITY FOR THE

 

 

WORK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.A.

N.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CURRENT AND DUTY CYCLE OF IMMEDIATE AND

 

 

 

 

 

 

 

 

 

 

 

 

W

 

541

 

 

 

 

 

FUTURE APPLICATIONS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

R

515B

 

 

 

 

 

N.B. THIS DIAGRAM SHOWS THE "ELECTRODE" POLARITY

 

 

 

 

327

 

 

 

 

 

 

GEARBOX

 

 

 

 

 

 

"POSITIVE". TO CHANGE POLARITY, TURN THE UNIT

 

 

 

 

 

 

 

 

 

 

P.M.

A

U

555

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF AND REVERSE LEAD CONNECTIONS AT CABLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

N.J.

 

324

 

 

 

 

 

 

 

 

 

B

206B

 

 

 

 

 

CONDUCTOR STRAP AND WORK STUD.

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.C. CONNECTOR SHOWN GEARBOX SIDE VIEW.

 

 

 

 

325

 

 

 

 

 

 

 

 

 

B

 

539

 

 

 

 

 

 

 

 

 

 

206

 

 

 

 

 

 

 

 

 

 

 

 

 

N.E. THERMOSTATS MOUNTED ON CHOKE COIL

 

 

 

 

326

 

 

207

 

N.B.

 

 

 

 

 

 

 

 

 

 

 

 

 

THUMB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S2 MOUNTED CLOSEST TO FAN; S3 MOUNTED CLOSEST TO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER TRANSFORMER.

 

 

 

 

 

SWITCH

327

 

 

 

 

 

 

 

 

 

 

320

 

N.E.

328

 

325A

 

 

 

N.F. KEYPAD MATRIX SHOWN FRONT VIEW.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.G.

 

 

 

 

TO SINGLE PHASE

N.G. THERMOSTAT S4 MOUNTED ON FAN SENSOR BRACKET.

 

 

 

 

R.F. FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INC.

DEC.

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

THERMOSTAT

 

 

SUPPLY LINE

N.H. RESISTOR R2 MOUNTED ON FAN SENSOR BRACKET.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S3

 

S4

 

 

 

 

N.J. CONNECTOR SHOWN PIN SIDE VIEW.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

326

324

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

202

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRIGGER

 

 

 

 

 

 

X6

 

 

 

 

 

 

 

 

 

 

5

H5

 

 

 

 

 

 

 

 

 

325

 

 

 

 

 

204A

 

 

 

 

 

L1

L2

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X7

 

 

 

 

208

 

 

 

 

 

 

 

TO GROUND PER

CAVITY NUMBERING SEQUENCE

 

 

 

 

 

 

 

T1

 

 

203

 

 

G1

 

 

 

4

2

H2

NATIONAL ELECTRICAL

 

 

 

 

 

 

 

 

X1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H1

 

 

 

 

 

 

 

SCR 1

 

 

 

 

 

H2

CODE

 

(COMPONENT SIDE OF P.C. BOARD)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 J1

 

TOP

 

 

 

 

 

 

P2

 

 

 

 

 

 

 

250V

 

 

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

 

H2

 

 

 

 

204

 

 

470A

 

 

1

3

 

H4

 

 

 

 

 

1

9

 

 

L1

L2

 

 

H5

 

X2

 

 

 

 

 

SCR HEATSINK

 

 

 

 

 

 

 

 

J2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H3

 

 

 

 

 

 

 

 

 

 

 

 

 

H3

 

 

 

 

 

 

 

ASBLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X3

 

 

 

 

 

SCR 2

 

 

 

 

 

H1

J3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

1

 

5

1

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250V

 

 

RECONNECT PANEL

 

1

 

 

 

 

 

 

 

 

 

 

X4

 

 

 

 

 

470A

 

GND.

(SHOWN CONNECTED

 

 

 

 

 

J4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G2

 

 

 

 

FOR 230 VOLT.)

 

J12

 

 

 

 

 

 

H1

H4

 

 

H4

 

 

 

 

 

209

 

G

 

 

 

 

 

 

 

J11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHUNT

 

POWER TRANSFORMER

 

 

D1

 

 

 

 

 

 

 

 

N.E.

7

12

 

6

 

10

5

8

 

 

 

 

 

 

 

 

 

 

 

300V

 

 

 

 

 

 

 

 

 

 

 

 

 

H1

 

+

 

 

 

 

 

85A

 

 

 

 

 

 

 

 

 

 

 

1

2

1

 

3

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P2

 

 

 

 

 

 

LINE

 

 

 

 

 

 

 

206

 

 

 

 

T1

 

 

T2

P1

P2

 

J7

J9

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J8

 

 

 

 

 

 

 

S1

205

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15 OHMS

 

 

 

S2

 

3

4

4

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

MOTORS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1 THRU C4

 

 

 

 

100 W

 

 

THERMOSTAT

 

 

 

 

 

 

206S

C1

C2

C3

C4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30,000 MFD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

+

 

+

+

50V

 

204

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

 

 

1

 

7

 

1

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHOKE

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

207

 

 

2.5K

 

 

 

J5

 

 

J6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.H.

10W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

14

 

9

16

 

2-28-92B

L7977

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

IDEALARC SP-250

 

 

IDEALARC SP-250

 

 

 

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Contents Safety Depends on You Idealarc SP-250ARC Welding can be hazardous Idealarc SP-250Cylinder may explode if damaged Electric and MAG- Netic Fields IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcTable of Contents Installation Storage Operating Depth Weight GUNHeight Input Connections Safety PrecautionsSelect Proper Location StackingFuse and Wire Sizes Input Power Connections Ground ConnectionsConnect Shielding GAS Figure A.3 Ground Connection For 230/460/575 Volt ModelsReconnect Procedure SideReturn to Section TOC Connect Output Components GUN Liner & Contact TIP InstallationInstall the Work Clamp Output Polarity ConnectionGUN & Cable Installation Figure A.9 European Style ConnectorOperation General Description Safety InstructionsAdditional Safety Precautions Electric Shock can killControls System includes the following featuresOperational Recommended ProcessesWire Feeder Features Design FeaturesUnit Features Power Source FeaturesDuty Amps Volts Cycle Machine CapabilityLimitations Controls and Settings Figure B.1 SP-250 Control Panel KeysArrow KEY Operation When Used with Process WIRE/GAS KEYArrow KEY Operation When Used with Auto KEY Arrow KEY Operation When Used with Manual KEYLeft arrow keys Do not function Arrow KEY Operation When Used with Spot KEYArrow KEY Operation When Used with Stitch KEY Right arrow keys Do not functionFigure B.5 Using the Toggle Function Step Trigger Interlock KeysMaking a Weld in Auto Mode RUN-IN ModeChanging RUN-IN Mode Codes 10001 and Above Operating StepsTo make an arc spot plug weld Using the 4-STEP Interlock Function in Auto ModeMaking a Spot Weld in Auto Mode Making a Stitch Weld in Auto Mode Using the GUN Thumb Switch Magnum SP-250 onlyUsing the Wire Drive Roll Using the GUN Trigger SwitchLoading the Wire Reel To mount 10 to 30 lb. spools 8 and 12 diameterSetting Idle Roll Pressure Feeding ElectrodeAccessories Spool GUN Module Board Installation Options / AccessoriesSpool GUN Adapter KIT Installation Figure C.2 Spool Gun Module Board Installation Installation Spool GUN Connection BOXSpool GUN Connection Figure C.5 Spool Gun ConnectSpool GUN Installation to OLD K531 KIT Figure C.6 Spool Gun ConnectionMaintenance Maintenance Routine and PeriodicControl Board Choke Fan Assembly Main Transformer Theory of Operation Former Power Supply OperationInput Line Voltage and Main Trans Output Rectification and Feed Back ControlConstant Voltage Output Figure E.4 Constant Voltage OutputWire Drive Motor and Feedback Figure E.5 Wire Drive Motor and FeedbackThermal Protection SCR Operation Figure E.6 SCR OperationTroubleshooting & Repair HOW to USE Troubleshooting Guide Recommended Course of ActionPC Board Troubleshooting Procedures Board can be dam- aged by static electricityOutput Problems Warn Troubleshooting & Repair Function Problems Troubleshooting & Repair Wire Feeding Problems Toxic. Avoid contact with any Liquid elecTrolyte in these capacitors is Portion of your bodyTroubleshooting & Repair Explanation of Prompting and Error Messages On Screen Error Message Message ExplanationXxxx Explanation of Prompting and Error Messages CONT’DOn Screen Error Message Current Overload Reduce Output Press ANY KEY to Stop Message Materials Needed Main Transformer TestTest Description Main Transformer Test Test Procedure Lead Plug Location From Expected Lead Voltage#206 4J6 #208 16J6 #209 7J6 G1992 Code 9402 only Troubleshooting & Repair Static SCR Rectifier Assembly Test Leads Figure F.4 SCR 1 Test Points Active SCR Rectifier Assembly Test Leads Figure F.7 SCR Tester Circuit and SCR connections SP-250 Keypad Resistance Test 25F-25Figure F.8A Plug J2 Location on G2252 PC Control Board Figure F.9 Plug J2 Test PointsTable F.1 SP-250 Keypad Resistance Tests Test Points KEY Pressed Maximum Allowable27F-27 Wire Drive Motor and Tachometer Feedback Test Wire Drive Motor and Tachometer Feedback Test Test Procedure Figure F.10A Plug J5 Location on G2252 PC Control Board#206B 4J6 #515B 1J6 #555 2J6 #541 6J6 #539 3J6 Pull the gun triggerTest for Supply Voltage to Tachometer Test for Feedback Voltage to the Control BoardScope Settings Normal Open Circuit Voltage WaveformMachine Loaded to 250 Amps AT 26 VDC Scope Settings Typical Output Voltage Waveform Machine LoadedMachine Loaded to 220 Amps AT 22 VDC Scope Settings Troubleshooting & Repair Typical SCR Gate Voltage Waveform Control PC Board Removal and Replacement Removal and Replacement Procedure Materials NeededTroubleshooting & Repair Keypad Removal and Replacement Keypad Removal and Replacement Procedure Wire Drive Assembly Removal and Replacement Wire Drive Assembly Removal and Replacement Procedure Figure F.13 Wire Drive Assembly RemovalSCR Output Rectifier Removal 43F-43Figure F.14 Heat Sink lead discon- nection Capacitor Bank Removal and Replacement Capacitor Bank Removal and Replacement Procedure Main Transformer Removal and Replacement Power Switch FAN Motor and FAN Removal and Replacement FAN Motor and FAN Removal and Replacement Procedure Figure F.18 Fan Motor and Fan Removal ComponentsTroubleshooting & Repair Input Volts/Hertz Wire Speed RangeOpen Circuit Voltage 230/60 375Table of Contents Electrical Diagrams G1992 Control PC Board Identification X9 . . . . . .IC-CMOS,UNDERVOLT-SENSING,RESET,MCU Idealarc SP-250 Electrical Diagrams G2252 Control PC Board TOC OCI2,OCI3 Optocoupler Triac Driver Idealarc SP-250 Electrical Diagrams Wiring Diagram for Code 9546 SP-250 230/460/575V Wiring DiagramWiring Diagram for Code 9723 Thumb SwitchImproper Lincoln Electric. 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