Lincoln Electric SVM179-B service manual LN-25 PRO Wire Feeder, G5683

Page 84

G-6

 

ElECTriCal DiaGrams

G-6

sChEmaTiC - lN-25 prO - COmplETE maChiNE CODEs 11387, 11388 - (G5683) pG1

 

 

 

 

 

 

 

 

 

G5683

ENGINEERING CONTROLLED

CHANGE DETAIL: REVISED LEADS GOING TO P17.

 

 

 

 

MANUFACTURER: No

 

 

 

LN-25 PRO WIRE FEEDER

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TIMER P. C. BOARD CIRCUIT

Timer Board Summary

Has potentiometers for Burnback, Preflow and Postflow.

Preflow range from 0ms to 10s.

Burnback range from 0 to 250 ms.

Postflow range from 50ms to 10 s.

Receives “Gas Flow Enable” signal.

Outputs 16 ms pulses to turn Gas Flow On / Off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(LOCATED BEHIND WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

(LOCATED ON CASE FRONT)

REEL COVER)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADJUST KNOB

 

 

 

 

 

ADJUST KNOB

 

 

 

 

 

 

 

 

 

 

 

 

ADJUST KNOB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V

 

 

 

CW= +5

 

+5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CCW= 0V

 

 

 

 

 

 

10K

 

 

 

 

 

 

 

 

BURNBACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POSTFLOW

 

 

 

 

 

 

 

 

 

 

 

PREFLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POT.

 

 

 

 

 

 

 

 

 

COM

 

POT.

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15V SIGNAL

 

 

 

 

 

 

 

 

 

 

 

15V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15 ms PULSES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TOGGLE GAS FLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIMER KIT

 

 

 

 

 

 

MICROCONTROLLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON/OFF

 

 

 

 

 

 

 

 

 

 

5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(OPTIONAL)

 

 

 

 

 

 

 

 

GAS FLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V SIGNAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCHEMATIC =

 

 

 

 

 

 

 

 

 

 

 

ENABLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M21342

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J60-8

J60-7

J60-6

J60-5

J60-4

J60-3

J60-2

J60-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

607

 

 

 

 

 

 

 

 

 

 

 

NOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

608

606A

605

 

4B

509B

601

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRESET P. C. BOARD CIRCUIT

 

 

 

 

 

 

SCHEMATIC = G4748

 

 

 

 

 

(LOCATED ON CASE FRONT)

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

 

 

THERMAL

 

 

 

 

 

 

 

3 LEDs

 

 

 

 

 

 

WFS/AMPS DISPLAY

VOLTS DISPLAY

 

 

{

 

 

7 SEGMENT

 

 

 

 

 

 

DISPLAYS

 

 

 

 

 

701

J10-10

(2 each)

 

 

 

 

0V = RUN IN ENABLED

 

WFS

AMPS

VOLTS

 

 

 

 

 

 

 

 

set=WFS

 

 

TO SWITCH S5 RUN IN

702

J10-11

 

actual = AMPS

SIGNALS TO

 

 

 

 

 

DISPLAY & LED

 

 

{

 

 

 

 

 

SERIAL SPI

TO J1

 

 

 

 

 

 

COMMUNICATION

 

77B

J10-16

+

 

 

SPI (10 leads)

CONTROL

TO REMOTE VOLTS

VOLTAGE

MICROCONTROLLER

PC BOARD

 

 

 

-

 

 

POTENTIOMETER R2

76B

J10-14

MEASUREMENT

 

 

 

AND POWER SOURCE

 

 

-

OF REMOTE

 

 

 

75B

J10-15

VOLTS

 

 

 

 

POTENTIOMETER

 

 

 

 

 

 

+

 

 

SETUP

 

 

 

 

 

 

 

PUSHBUTTON

 

 

 

 

 

 

 

 

 

SETUP

 

 

ARC VOLTAGE

 

 

 

 

 

 

LED

 

 

ELECTRODE

67

J10-6

 

 

 

 

 

MEASUREMENT

ARC VOLTAGE

 

 

 

SETUP

{WORK

 

 

 

 

 

 

FOR DISPLAY

{

21

J10-8 +15V

FEEDBACK

 

 

 

PUSHBUTTON

 

 

 

 

 

 

 

805

J10-9

-15V

 

 

 

(BOARDMOUNTED)

 

 

 

 

 

 

 

ARC CURRENT MEASUREMENT

804

J10-4

 

 

 

 

 

FOR DISPLAY & ARC ESTABLISHED

801

J10-1

ARC CURRENT

 

J10-12

708

ARC ESTABLISHED OUTPUT

 

 

 

 

 

 

 

{

 

802

J10-2

FEEDBACK

 

 

 

IF V> 10V RELATIVE TO COMMON

 

 

+4V = +500A

 

 

 

0V= ARC NOT ESTABLISHED

 

 

 

 

COM

-4V = -500A

 

 

 

TO CONTROL BOARD (VIA P7)

INPUT

CONTROL CABLE

41

J12-1

 

 

 

 

 

POWER

INPUT POWER

42

J12-4

 

-15V

J6-8

707

FROM CONTROL BOARD (VIA P7)

 

DETECTION

 

 

 

 

 

 

 

 

 

 

(<18 VAC TO DETECT)

 

 

 

 

 

 

 

TO CONTROL BD. (VIA P60 plug)

PROPRIETARY & CONFIDENTIAL:THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED

TO OTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.

 

MANUFACTURING TOLERANCE PER E2056

CONTROL: CLEVELAND

SCALE:

EQUIPMENT TYPE:

 

 

LN-25 PRO

 

2

2

 

 

UNLESS OTHERWISE SPECIFIED TOLERANCE:

 

 

 

 

 

ON 2 PLACE DECIMALS IS ± .02 in. (± 0.5 mm)

 

 

NONE

 

 

 

 

 

PAGE ___ OF ___

EDGE

 

DRAWN BY:

ddietz

 

 

 

 

 

 

ON ALL ANGLES IS ± .5 OF A DEGREE

 

 

 

 

 

 

 

 

 

 

 

 

 

ON 3 PLACE DECIMALS IS ± .002 in. (± 0.05 mm)

IF PRINTED

SUBJECT:

 

 

MACHINE SCHEMATIC

DOCUMENT

 

DOCUMENT

 

 

MATERIAL TOLERANCE ("t") TO AGREE

ENGINEER:

ENYEDY

@ A2 SIZE

 

 

NUMBER:

 

REVISION:

 

 

WITH PUBLISHED STANDARDS.

 

 

 

UNITS:

MATERIAL

UF

APPROVAL

11/16/2007

 

PROJECT

CRM39437

REFERENCE:

G5683

 

C

SOLID

 

 

 

 

 

DO NOT SCALE THIS DRAWING

 

APPROVED:

-

INCH

DISPOSITION:

DATE:

 

NUMBER:

-

 

Insight

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

lN-25™ prO

Page 83 Page 85
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Page 83 Page 85
Contents LN-25PRO Wire Feeder Safety LN-25 PROElectric Shock can kill ARC Rays can burn Welding Cutting For ElectricallyIii Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Safety Precautions High Frequency ProtectionLocation ELECTRIC SHOCK can KillWire Drive Configuration Cable ConnectionsShielding GAS Connection Changing the GUN Receiver BushingProcedure to Install Drive Rolls Wire GuidesPressure ARM Adjustment Loading Spools of WireGUN Connection Power Source to LN-25 PRO Cable Connection Diagrams Across the ARC SET-UPSDescription Figure A.7 Table of Contents Operation Section Safety Precautions OperationGeneral Description Wire Feed Speed Knob DescriptionAnalog 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-3PIN GUN Trigger Connector See Figure B.1 Wire Feed Speed Range Switch K2613-5 and K2613-7 onlyWork Sense Lead Thermal LED, Motor Overload See Figure B.1Internal Controls Figure B.4Step Trigger Interlock Switch CV/CC SwitchInternal Controls Description Cold Feed PushbuttonOptional PREFLOW, Burnback Postflow Timer KIT K2330-2 Preflow TimerRear Controls Figure B.5POWER-UP Sequence GAS Purge PushbuttonFlow Meter ScfhLN-25 PRO Table of Contents Accessories Section Accessories Factory Installed EquipmentWire Type Drive Roll KitsAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Maintenance Routine MaintenancePeriodic Maintenance Calibration SpecificationWire Feed Speed CoverBoard 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 Problems Symptoms Possible Areas MisadjustmentsRecommended Course of Action LN-25 PRO Case Removal Procedure Test DescriptionMaterials 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 SET UP Retest After RepairRetest a machine 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
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