Lincoln Electric SVM175-A service manual Machine Schematic

POSITIVE + BRUSH

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G-14				ELECTRICAL DIAGRAMS	G-14
SCHEMATIC - ENTIRE MACHINE - CODE 11121 (L12212) PAGE 2 OF 2
		E N G IN E ER IN G CO N TRO LLE D		CHANGE DETAIL: RELEASED"A.02" FROM "X"
	L12212	M AN U FA C TU R ER :	No

to

to

AUXILIARY

J3-3

AUXILLARY

CURRENT

TRANSFORMER

+15V

Return

Return

WELDING

SENSE TOROID

SENSE

+ S T U D

+5V +3.3V

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TERMINAL

CONTROL(2)

SWITCH (4) SHOWNIN"ALWAYS

ON" POSITION

IDLER

CONTROL

SHOWNIN"HIGH" POSITION

	MACHINE IDENTITY TABLE:
	PINS JUMPERED TO SELECTMACHINE
J1-5 J1-6 J1-7 J1-8		M A C H IN E
	J1-13	RA NG E R 250 G & D
J1-13		RA NG E R 305 G & D
		V A NTA G E 500
J1-13		V A NTA G E 575
J1-13		A IR V A NTA G E 500

MODE	4 TIG	CC
	3
SELECTOR
SWITCH	A
(AUSTRAILIAN
VANTAGE575 USESA	2 PIPE
3POSITIONTOGGLE
SWITCH)
	1 CV

+ STUD +
SHUNT	-	(206S)
	+	50mV =400AMPS
		(204S)
- STUD -		(208B)

(277)

J3-4

J1-4

J1-3

J3-7

J3- 14

J1-13

J1-12

J1-8

J1-7

J1-6

J1-5

J7-16

J7-15

J7-14

J7- 13

J7- 12

J7- 11

J7 -9

J7- 10

J7-2

J6-2

J6-1

J3- 15

J7-8

		+15V
				2-4SENSE
+15V		+ S T U D
		IDLE SWITCH SENSE
		+ S T UD
						IDLE CONTROL
+15V						THERMALSHUTDOWN (if used)
						CURRENTLIMITS
						REGULATION MODE
			MACH SEL1		MACHINE /
			MACH SEL2
			MACH SEL3		MODE		BLINK (PULLED LOW AND HIGH
					LOGIC		INLOOKBACK TO FLASH
							DECIMALPOINT)
			MACH SEL4		(CPU)
+15V		+ S T UD
				TIG MODE
		PIPE MODE
		(NOTAVAILABLEONAUSTRALIAN
		VANTAGE575)				BLINK (PULLED LOW AND HIGH
				N/A
						IN LOOKBACK TO FLASH
				N/A		DECIMALPOINT)
				N/A
			CV MODE
		ROCV ENABLE				SELECTCONTROLPOINT
+15V		(FORAUSTRALIANVANTAGE575)
					CURRENT FEEDBACK		DISPLAY WELD AMPS
		+ S T UD
G 41 0 7
(O N L Y )						PRESET		DISPLAY
		-						PRESET
	G 4 10 9			CURRENT FEEDBACK		VOLTAGE		VALUE
47 .5 ohm s	(O N L Y )	+
		x80				FEEDBACK
							DISPLAY WELD VOLTS
+ S T U D	+ STUD is COMMON
	FOR WELD CONTROL
	CIRCUITS			VOLTAGE FEEDBACK
		+ S T U D					+5V	+5V
	+ S T U D

CONTROLBOARD	40-100VDC
POWER FROM
CHOPPER BOARD		INPUT
	-

J3-16

-15V		+12V ISOLATED CIRCUITRY FOR ENGINE FUNCTIONS
+ S T U D	+15V COM
		(NOT ALL MACHINES USE EVERY CIRCUIT)
				V-BATTERY+12V Battery Supply to
				the IdleHoldSolenoid	J2 -6	1
				IDLE HOLD COIL
					J2-5
+15V +15V COM			DIODEONLY ON-E			2
				Other sideof the IdleHoldSolenoid.
	FRAME FRAME IS COMMON FOR		VERSIONAND BOVEA
IDLE CONTROL		ENGINE CONTROL CIRCUITS		+0V when energized"LOW IDLE" +12V		3
				whennot energized. "HIGH IDLE"
				TO IDLE PULLCOILBOARD		4

IDLE

SOLENOID

RED HOLD

COIL

BLK

WHT PULL

COIL

ON / OFF(+5V=ON)	J4-1
HOLD (+5V=HOLD)
	J4-2
	J4-3

	J2-12	FRAME	HIGH =PULLTO LOW IDLE
			J2-4
	FOR AUX USE: CONNECT
FRAME	TO FRAME FOR HIGH IDLE

J4-4

J4-5

J4-6

J4-7

J4-8

AMMETER DISPLAY

+S T U D RANGER OILPRESSURE J2 -9V-BATTERY

V-BATTERY

PULL COIL

BOARD

J4-9

J4-10

+ S TU D

METER (+) INPUT (0- 2V) 1V =1000ON METER METER (-) INPUT

METERS OPTIONAL ON VANTAGE

STARTER BUTTON

J2 -8

+12V whenstarting themachine. (RUN switchON and Start ButtonPressedandheld., 0V when themachine isnot ON. +40V or morewhen themachineis running.

ON/ OFF(+5V=ON)	J5-1
HOLD(+5V=HOLD)	J5-2
	J5-3
	J5-4

NO J4 OR J5 ON RANGER 250

FUELSHUTDOWN	J2-10	PTC
+12V when the RUN switchisON and the

STARTButtonis held IN. If externallyshorted the PTC will change tohighimpedance

FRAME

J2-1

-NEGATIVE BRUSH

J5-5

J5-6

J5-7

J5-8

J5-9

J5-10

+ S TU D

VOLTMETER

DISPLAY

METER (+) INPUT (0 - 2V) 1V =100.0 ON METER METER (-) INPUT

C U R R E N T

L IM IT S ,

FRAME ROTOR

V-BATTERY

+ J2-7

CURRENTFEEDBACK

FEEDBACK

REG ULATING

CONTROLPOINTAMPLIFIER

A V E R A G E ,
A B S O L U T E ,	THERMALSHUTDOWN
& F O L D B A C K

P W M

C H O P P E R

C O N T R O L

C IR C U IT

BATTERY POSITIVE

-J2 -3

BATTERY NEGATIVE

FRAME

	47.5ohm		PWM SIGNAL(+12V ON MULTIMETER)		#1
		J3-9			CHOPPER
47.5 ohm			PWM SIGNAL(+12V)			BOARD
47.5 ohm		J3-11			(ALLMACHINES)
			PWM COMMON
		J3-10		#2
47.5ohm			PWMCOMMON		CHOPPER
		J3-12				BOARD
					(VANTAGE ONLY)

+ S T U D

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ARC CONTROL 10K (278)

POT(279)

		(77)
OUTPUT	10K	(76)
CONTROL	POT	(75)
THETOPENDOFTHEREMOTEPOT IN
TIG MODEISTHESETTING OFTHELOCAL
OUTPUT CONTROLPOT.
INEVERYOTHERMODE,THEREMOTE
POTWILLSET MACHINETO MAXOUTPUT.		(77B)
REMOTE	10K	(76B)
CONTROL	POT	(75B)

J7-7

J7-6

J7 -1 J7-4 J7-5

J1-11

J1-14

J1- 10

ARC

C O N TR O L

CIRC UI TRY

+10V

LO C AL

PRESET

+ S T U D T IG M O D E +10V R E M O T E

A LL O TH E R M O D E S

+ S T U D	+ S T U D	OCV
	T O U C H ST A R T
VARIAB LE PINCH
PIPE ARC F		ORCE
VARIAB	LE ARC F ORCE
FIXED ARC		FORCE
		PRESET

FIX E D HO T S T A R T +5V

+ S T U D

C O N T R O L
P OINT		SEE SPECIFICMACHINE SCHEMATICFORDETAILSON
S E L E C T
CONNECTORS		WHATPARTS OF THE G4107/G4109ARE USEDINEACH	LEAD COLOR CODE:	COMPONENTVALUE UNITS:
		APPLICATION. NOTALL CIRCUITS ARE USEDALL THE TIME.	B-BLACK	CAPACITOR: MFD/VOLTS
J1	AMPHENOL& MACHINE ID JUMPER		G-GREEN	RESISTOR: OHMS/WATTS
J2	ENGINE 12V CONTROL FUNCTIONS		O-ORANGE
J3	CHOPPER PWM, POWER IN, (THERMALOVERLOAD IFUSED), VOLTAGE FEEDBACK		R-RED	CONNECTOR PIN NUMBERS:
			U-BLUE
J4	AMMETER (NO CONNECTOR ON RANGER 250)		W-WHITE	EX. 12PIN ONNECTOR
J5	VOLTMETER (NO CONNECTOR ON RANGER 250)		Y-YELLOW	1 2	6
J6	SHUNT/CURRENTFEEDBACK		LABELS:
J7	OUTPUTCONTROL, ARC FORCE, MODE SELECT		COMMON	7	1 2
			FRAME GROUND
					L A T C H
			EARTH GROUND	VIEW OF CONNECTOR ONPCBOARD

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EN -168

+ S T U D + S T U D

THIS D O C UME NT C O NTAINS PR

OP RIETARY INF

O RMATION O W NE D BY LINC OLN GLOBAL, INC. A

N D MAY N OT BE D UPLICATE D, COMMU NICATE

D

PROPRIETARY & CONFIDENTIAL:TO OT HE R PARTIES O R USE D F O R ANY PU RP OSE WIT H O UT T HE EX PRESS W RITTE N PE RMISSION OF LIN C OLN GLOBAL, INC.

UNLESS OTHERW ISE SPEC IF IE D TOLERAN

CE

DESIGN INFORM ATION

REFERENCE:

EQUIPMENT TYPE:

RANGER 305D

2

2

MANUFAC

TURIN G TOLERANCE PER E205

6

E

ON 2 PLAC

E DECIMA LS IS ± .02

L11946

PA GE

O F ___

DRAW N BY:

DEO

G

ON 3 PLACE DECIMALS IS ± .002

SUBJECT:

MACHINE SCHEMATIC

DOCUMENT

DOCUMENTD

ON ALL ANG LES IS ± .5 OF A DEGREE

NUMBER:

REVISION:

E

MA TERIA L TOL ERANCE (" t ") TO AGREE

ENGINEER:

BAM

SCALE:

WITH PUB LISHED S TANDARDS.

MATERIAL

APPROVAL

PROJECT

DO NOT SCALE THIS DRAW ING

APPRO VED:

-

NONE

DISPOSITION:

UF

DATE:

12/11/2003

NUMBER: CRM3557

L12212

A

SIDOL

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

RANGER 305D