Lincoln Electric SVM179-B service manual Rxd

Page 94

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G-16

ElECTriCal DiaGrams

G-16

sChEmaTiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 11388, 11507, 11508 (G4745-1) pG 3

 

RXD

RXD

 

 

 

9

R

 

MAX3221

R

 

8

0.1uF

50VTXD

 

R36

RS232_RX

RS232_RX

 

 

 

 

DIN

116

 

200

 

TXD

RS232_TX

RS232_TX

R19

 

12

 

UT

N

 

CV2+

3

0.1uF

50V

 

 

 

 

 

3

 

 

X2

 

-

5

C25

 

 

 

 

 

 

 

+5V

200

30.R3732K.1W

0

INVALID

 

7

 

 

 

 

 

 

 

 

 

6

FORCEOFF

C1EN+-

421

C29

 

C27.1uF

C26.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND50V

50V

 

 

 

 

 

 

 

 

GENERALINFORMATION

 

 

 

R

 

 

LASTNO.USED

 

 

 

 

 

 

 

ELECTRICALSYMBOLSPERE137

 

LABELS

C

 

_

SEEPAGE1

 

 

 

 

 

 

CAPACITORS=

MFD(.022/50VUNLESS

D-

 

 

 

 

 

 

 

 

 

 

RESISTORS=Ohms(

1/4WUNLESSOTHERWISEOTHERWISESPECIFIED)

 

 

 

 

 

 

 

 

 

 

 

 

DIODES=

1A,400V

(UNLESSOTHERWISESPECIFIED)

 

SUPPLYWER

 

VOLTAGENET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLYSOURCEPOINT

SINCECOMPONENS

&CIRCUITRYCONFIDENTIAL:TOOTHERPARTIES,ORUSEDFORANYPURPOSEWITHOUTTHEEXPRESSWRITTENPERMISSIONOFLINCOLNGLOBAL,INC.

05

PROPRIETARYPRINTEDCIRCUITBARDMAY

DESIGNINFORMATION

EQUIPMENTTYPE:

FLEXIBLEPOWERFEEDER

CFRAMEO ON

 

PAGE03OF

 

 

 

 

 

 

 

 

 

 

 

 

 

EARTHGROUNDCONNECTIONNECTION

 

ABILITYD

AFFECTINGMYNOTSHOWTHEEXCT

HISDOCUMENTCONTAINSRS232PROPRIETARYINFORMATIONOWNEDBYLINCOLNGLOBAL,INC.ANDMAYNOTBEDUPLICATED,COMMUNICATED

ENGINEER:

JPZ

REFERENCE:

SUBJECT:

SCHEMATIC,CONTROLPCB

NUMBER:

 

REVISIO:

WITHOUT

OF

COMPLETEBOAD,THIS

DRAWNBY:

JPZ

9/24/2009

 

 

 

NADATE:

 

 

DOCUMENT

DOCUMENT

 

 

THEINTERCHANGE-

DISPOSITION:

9-12-2008 NUMBER:

CRM39801

HAVIAGRAMNACOMMONCODENUMBER.

APPROVED:

 

---------

G

4745-1H0

 

A

COMPONETSORCIRCUITRYOFCONTROLS

 

 

 

MATERIAL

 

APPROVAL

PROJECT

 

 

 

 

 

 

 

 

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

lN-25™ prO

Image 94
Contents LN-25PRO Wire Feeder Safety LN-25 PROElectric Shock can kill ARC Rays can burn For Electrically Welding CuttingIii Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Location Safety PrecautionsHigh Frequency Protection ELECTRIC SHOCK can KillShielding GAS Connection Wire Drive ConfigurationCable Connections Changing the GUN Receiver BushingProcedure to Install Drive Rolls Wire GuidesLoading Spools of Wire Pressure ARM AdjustmentGUN Connection Across the ARC SET-UPS Power Source to LN-25 PRO Cable Connection DiagramsDescription Figure A.7 Table of Contents Operation Section Safety Precautions OperationGeneral Description Description Wire Feed Speed KnobAnalog Voltmeter Wire Feed Speed, CC Operation See Figure B.2 or Figure B.2Table B.2 VV CC Wire Speed Setting Constant Current VS Constant Voltage Wire Welding Figure B-3Work Sense Lead PIN GUN Trigger Connector See Figure B.1Wire Feed Speed Range Switch K2613-5 and K2613-7 only Thermal LED, Motor Overload See Figure B.1Internal Controls Figure B.4Internal Controls Description Step Trigger Interlock SwitchCV/CC Switch Cold Feed PushbuttonOptional PREFLOW, Burnback Postflow Timer KIT K2330-2 Preflow TimerRear Controls Figure B.5Flow Meter POWER-UP SequenceGAS Purge Pushbutton ScfhLN-25 PRO Table of Contents Accessories Section Wire Type AccessoriesFactory Installed Equipment Drive Roll KitsAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Periodic Maintenance MaintenanceRoutine Maintenance Calibration SpecificationCover Wire Feed SpeedBoard Figure D.3. Major Component Location 1TABLE of CONTENTS-THEORY of Operation Section E-1 Control BoardTheory of Operation Figure E.2 General DescriptionInput Power TRIGGER CIRCUITFeedback and Control CIR- Cuits Figure E.4 Feedback & Control CircuitsOptional Circuits Figure E.5 Optional Circuits & Digital Display BoardLN-25 PRO Table of Contents Troubleshooting & Repair Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Fault Code Description Possible Adjustment Motor Solenoid Test Possible Areas Misadjustments Problems SymptomsRecommended Course of Action LN-25 PRO Test Description Case Removal ProcedureMaterials Needed Procedure Figure F.1 Case RemovalGAS Solenoid Test GAS Solenoid Control BOX Control BOX Cover Contactor Test Control BOX Contactor Drive Motor and Tach Feedback Test Case Control BOX Assembly Motor Overload Test Figure F.5 Control BOX Assembly Contactor Removal and Replacement Procedure Removal Procedure Figure F.6 Control BOXReplacement Procedure Figure F.7 Buss BAR and Mounting BlockLN-25 PRO Front Panel Removal and Replacement Procedure Front Panel Troubleshooting & Repair Gas Hose Control BOX Wire Drive Panel Drive Gear Cover LN-25 PRO PC Board Removal and Replacement Procedure PC BOARD Removal and Replacement Procedure Figure F.11 Control PC Board LocationGAS Solenoid Removal and Replacement Procedure GAS Solenoid GAS Hose Control BOX Lock NUT Retest a machine SET UPRetest After Repair Operation VerificationLN-25 PRO Table of Contents Diagram Section Wiring Diagram LN-25 PRO WiriNG DiaGram lN-25 prO CODEs 11507, 11508 G5681-1 Wiring DIAGRAM- LN-25 PRO Analog WiriNG DiaGram lN-25 prO CODEs 11746, 11747 G5681-3 LN-25 PRO Wire Feeder G5683LN-25 PRO Wire Feeder ElECTriCal DiaGrams G5683-1 Pushbutton G5683-2 LN-25 PRO AnalogG5683 G5683-3 Circuitryconfidential Equipmenttype Xres RXD Work 624 4783-1C0 Flexiblepowerfeede R 50V OF05 Circuitryconfidential S27505-1B0 R2 CW