Lincoln Electric SVM172-A service manual Schematic Entire Machine Code 10962 G4320-1

G-5 ELECTRICAL DIAGRAMS G-5

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SCHEMATIC - ENTIRE MACHINE - CODE 10962 (G4320-1)

1-G4320	ENGINEERING CONTROLLED		RELEASED A.03 FROM X.
	MANUFACTURER:	No

VOLTAGE SENSE

SELECT P.C. BOARD

(SCHEMATIC S24779)

1J1

2J1

	CAVITY NUMBERING SEQUENCE							GENERAL INFORMATION
		(COMPONENT SIDE OF P.C. BOARD)						ELECTRICAL SYMBOLS PER E1537
	CASE
	1	1	2	1	3	1	4	COLOR CODE
513	J2,J811	J81,J82		J1,J83,J88		J84,J810		B -	BLACK
	2							W -	WHITE
400F		3	4	4	6	5	8
								R -	RED

Return to

RIGHT SIDE OF WIRE DRIVE (VIEWED FROM FRONT)

FEED

PLATE

INPUT ELECTRODE

CABLE CONNECTION

67A

3J1

4J1

5J1

6J1

	2J4
J2	2J1

67A		1		1	8	U -	BLUE
514			5
400E		J86		J85,J87
500C		6	10	9	16
67B		67A
67C		ARC VOLTAGE
	CASE	FEEDBACK

VOLTAGE SENSE
SELECT P.C. BOARD
(SCHEMATIC S24779)
1J1	613
2J1
3J1	67D
4J1	614
6J1

ARC VOLTAGE FEEDBACK

TRIGGER {A

5 PIN

ARCLINK

CONNECTOR

TO POWER

SOURCE

532

A541

B542

C67B

D540

E500

500B

0V TO COMMON WHEN SWITCH CLOSED

TOROID	ARC VOLTAGE	LEFT SIDE OF WIRE DRIVE
	FEEDBACK
	FEED	(VIEWED FROM FRONT)
	PLATE
	INPUT ELECTRODE
	CABLE CONNECTION

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J2 2J2 67C

		C
DUAL		D
	{E
PROCEDURE
		B

570D

543

FILTER P. C. BOARD (WIRE DRIVE FRONT) (SCHEMATIC: M19487)

570A

CONTROL BOX
DISPLAY	FOR ALL FLEX AND

0V TO COMMON WHEN SWITCH CLOSED

532A

	PANEL	SHIELDED CABLE
		1	+15V
SET SWITCH 1 "OFF" (DUAL HEAD)		2	+5V
	MEMORY	3	/SS
AND SWITCH 2 "ON" (FEEDER) AS		4	CS1
SHOWN ON DIP SWITCH S9.	PANEL	5	CS2
		6	CS3
S9		7	MISO
	MSP4	8	SCK
		9	MOSI
	PANEL

TRIGGER	{AC
	{ E
DUAL	D
PROCEDURE
	B

632
670D
643
FILTER P. C. BOARD
(WIRE DRIVE FRONT)	670A
(SCHEMATIC: M19487)
670
SHUTDOWN INPUT (DISCONNECT FOR
FLOW SWITCH CONNECTION)

TOROID

	PWM CONTROLLED
	6.5 VDC WHEN GAS IS
	FLOWING. COIL	GAS			MOTOR +	550	1J83
	MEASURES 21 OHMS.				MOTOR -
	12 VDC COIL				GAS SOLENOID +	551	2J83
						553	3J83
	(WIRE DRIVE REAR)				GAS SOLENOID -
						554	4J83
	570A
532A	W B			ACCESS THIS CONNECTOR
	MOTOR / GEARBOX	TACH		BY REMOVING THE WIRE
				DRIVE ASSEMBLY
	5-32 VDC	R	R	1	5VDC TACH SUPPLY	531	1J84
	1.8 OHMS				TACH SIGNAL
		U	U	2		537	7J84
	13 SECOND AVERAGE				TACH COM
		B	B	3		534	4J84
	CURRENT LIMIT = 6.3A
				4
	(LIMIT IS SOFTWARE SET)

SINGLE

10

COM

HEAD

O

1

2

FEEDER

VDC

+40 VDC

COM

CAN

CAN

"ON"

N

LED DISPLAY

+40

OVWHEN

+ 15V

LED DISPLAY

LEDS

540A

542A

DUAL

542

500A

541A

540

500

541

HEAD

FUTURE

4J81 3J81 2J811J81

4J82 3J82 2J821J82

14J8513J85

COM

CAN

CAN

COLD INCH/

DISPLAY P. C. BOARD

GAS PURGE SWITCH

(SCHEMATIC:L11756)

(WIRE DRIVE FRONT)

FEEDHEAD

579

+15VDC

GAS PURGE

S9

FLEX

P.C. BOARD

(LOCATED ON

SIGNAL

LEDS

PUSHBUTTON

DIVIDER PANEL)

(SCHEMATIC G3883)

9J85

+5VDC

TOROID

PWM CONTROLLED
6.5 VDC WHEN GAS IS
FLOWING. COIL	GAS			MOTOR +
MEASURES 21 OHMS.					650	1J83
12 VDC COIL				MOTOR -	651	2J83
				GAS SOLENOID +
(WIRE DRIVE REAR)					653	3J83
				GAS SOLENOID -
					654	4J83
B W			ACCESS THIS CONNECTOR
MOTOR / GEARBOX	TACH		BY REMOVING THE WIRE
			DRIVE ASSEMBLY
5-32 VDC	R	R	1	5VDC TACH SUPPLY	631	1J84
1.8 OHMS				TACH SIGNAL
	U	U	2		637	7J84
13 SECOND AVERAGE	B	B	3	TACH COM	634	4J84
CURRENT LIMIT = 6.3A			4
(LIMIT IS SOFTWARE SET)

						614
	540A		542A
		500A		541A			613
		+40 VDC	COM	CAN	CAN		OV WHEN "ON"	+ 15V
	4J82 3J82 2J821J82					14J8513J85
FEEDHEAD
P.C. BOARD
(LOCATED ON
REAR PANEL)
(SCHEMATIC G3883)
						9J85
PERFORMS ALL WIRE DRIVE
AND GAS SOLENOID

679

+15VDC

							532B	2J85
							570C	1J85
							543	3J85
		570					570	4J85
	570B		LOCATED ON CONTROL BOX
							B	15J85
		SHUTDOWN INPUT (DISCONNECT FOR	PANEL ENCODERS
		FLOW SWITCH CONNECTION)				RED/GREEN
			CURRENT/WFS		VOLTS/TRIM
						STATUS
						LED
						SEE ERROR TABLE	W	16J85
			1	2 3	1 2 3	IN IM MANUAL
							518	1J88
					585B	+15V PULSED		8J84
		+15V PULSED
		7 PIN PUSH-PULL					581	11J85
COLD INCH/				585A			585	5J85
		GUN CONNECTION					582	12J85
GAS PURGE SWITCH
		SPOOL GUN/PUSH-PULL MOTOR
(WIRE DRIVE FRONT)							587	7J85
		0VDC @ 50 IN/MIN
							580	10J85
		24VDC@700 IN/MIN
GAS PURGE					PUSH-PULL GUN
					BRAKE SIGNAL		548	8J85

PERFORMS ALL USER		586		COLD INCH
			579A
INTERFACE, WIRE DRIVE, AND	6J85
GAS SOLENOID CONTROL
FUNCTIONS.	5J84	535
DIP SWITCH S1 SETTING					OPTIONAL MEMORY P.C. BOARD
				2 STEP/ 4 STEP SWITCH	(SCHEMATIC:L11897)
			+15VDC
POSITIONS 1-6 OFF				(WIRE DRIVE FRONT)
					SEVEN SEGMENT AND
POSITION 7 IS POLARITY	4J88					FLEX
					ALPHA NUMERIC DISPLAY
"OFF" FOR ELECTRODE POSITIVE
"ON" FOR ELECTRODE NEGATIVE			DIODE BRIDGE
POSITION 8 IS FEED SPEED GEAR			(DIVIDER PANEL)	INFRARED	SETUP LED
"OFF" FOR LOW SPEED				TRANSCEIVER
"ON" FOR HIGH SPEED
	5J83	554	-	(WIRELESS
				COMMUNICATION)

1J86 2J86		3J86 4J86 6J86 6J86	8J86	10J86
			7J86	9J86
1P86	2P86	3P86 4P86 6P86 6P86 7P86 8P86 9P86 10P86

6J83	536
5J88	595

+
			MSP4 P.C. BOARD
	MOTORS WILL NOT RUN	WELD MODE LED	(SCHEMATIC:G4456)
	IF DIODE IS OPEN,
536A	REVERSED, OR
	DISCONNECTED	ARC CONTROL LED	END OPTIONS LED

TO PUSH-PULL

GUN MOTOR DRIVE

16 DETENT

	632B	2J85
	670C	1J85
	643	3J85
	670	4J85
RED/GREEN	B	15J85
STATUS
LED
SEE ERROR TABLE	W	16J85
IN IM MANUAL
	618	1J88
		8J84

CONTROL FUNCTIONS.	6J85
	5J84
DIP SWITCH S1 SETTING
POSITIONS 1,2,3,5 & 6 OFF, 4 ON
POSITION 7 IS POLARITY	4J88
"OFF" FOR ELECTRODE POSITIVE
"ON" FOR ELECTRODE NEGATIVE
POSITION 8 IS FEED SPEED GEAR
"OFF" FOR LOW SPEED
"ON" FOR HIGH SPEED

6J83

686SIGNAL

635+5VDC

678

536A

			M			B			(0 VOLT= MOTOR BRAKE)	526	6J84
	PUSH-PULL
						A		MOTOR +	0-5V PUSH-PULL GUN
	GUN
COLD INCH	TRIGGER			5K			MOTOR -		POTENTIOMETER SIGNAL
679A									3214
									3218
	E F		C D G					PUSH-PULL GUN WIRE
								FEED SPEED CONTROL
+15VDC	570B						75
							76
	532A
							77
2 STEP/ 4 STEP SWITCH	570E		77E
				76E
(WIRE DRIVE FRONT)
		532E			75E
	4	5	6	2	3	1

OPTIONAL
6 PIN REMOTE FOOT
AMPTROL CONNECTION
(WIRE DRIVE FRONT)	E D A C B	F

526

548

3214

3218

76

75

77

6J810

4J810 2J811

3J810 1J811

2J810

5J810

8J810

1J810

PUSH-PULLGUN

DAUGHTER

P.C. BOARD

(SCHEMATIC L12008)

595

536B

+40V DC SUPPLY FOR PUSH-PULL GUN MOTOR (NON-ISOLATED)

PROVIDES BRAKING OF THE PUSH-PULL GUN MOTOR AND CONDITIONS THE SIGNAL FROM THE POTENTIOMETER.

PUSHBUTTON	ENCODER	PUSHBUTTON
SEE IM MANUAL FOR ERROR CODES
	SHIELDED CABLE
	LEAD COLOR CODE:		COMPONENT VALUE UNITS:
		B-BLACK	CAPACITOR: MFD/VOLTS
		R-RED
			RESISTOR: OHMS/WATTS
		U-BLUE
		W-WHITE	CONNECTOR PIN NUMBERS:
			EX. 12 PIN CONNECTOR
	LABELS:		1	6
		COMMON	7	12
		FRAME GROUND
				LATCH
			VIEW OF CONNECTOR ON PC BOARD

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.

EN-170

THE INFORMATION ON THIS	DESIGN INFORMATION		REFERENCE:	EQUIPMENT TYPE:		POWER FEED 10M DUAL (BENCH)			PAGE 1	OF 1
PRINT IS FOR REFERENCE	DRAWN BY:	TJP							DOCUMENT		DOCUMENT
ONLY. COMPONENTS AND				SUBJECT:			MACHINE SCHEMATIC		NUMBER:		REVISION:
	ENGINEER:	McQuerry	SCALE:
CIRCUITRY MAY BE DIFFERENT									G4320-1		A
				MATERIAL		APPROVAL		PROJECT
FROM AN ACTUAL MACHINE.	APPROVED:		NONE	DISPOSITION:	NA	DATE:	7/15/2004	NUMBER: CRM36415

SOLID EDGE

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

POWER FEED 10M SINGLE/DUAL