Lincoln Electric SVM135-B service manual Power Wave 455 Machine Schematic Code, To Section

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G-8	ELECTRICAL DIAGRAMS
POWER WAVE 455 MACHINE SCHEMATIC - CODE 10372

G-8

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3181 G

			RECONNECT
	INPUT		SWITCH
CR1	RECTIFIER		380-460V	208-230V	19C
L1	AC3	POS
	T1		19A
U
					19D
L2	AC2	NEG
	T2
V

N.A.

SWITCH BOARD #1 (LEFT)

216	211	213		212
4J90	3J90	2J90	1J90	CURRENT
				TRANSDUCER

N.A.

CONTROL BOARD

S5 RS232

CONNECTOR

Return

			AC1	20C
		L3		NEG
W			T3	20A
			CR1	20D
G	L1A	L3A
			601

										211	1J21
		MAIN TRANSFORMER T1	.022u	2.7	GND	I OUT	-15V	+15V		212
			800V	10W							2J21
		13								213
		F						+	ELECTRODE		3J21
	C4	14	.022u	2.7
		A								216
	3400uF		800V	10W							6J21
		S
403	450V								C2/TP2
	3J40

CURRENT FEEDBACK	RS232 RECEIVE	3J25
+15V	RS232 TRANSMIT	4J25
-15V
CONTROL BOARD COMMON

253

254

2

3

4

5

ON	601A
SW1	X4A
POWER	X4
612B
OFF
		N.A.
H1D
INPUT BOARD
A
1J60	2J60	X3
+13V
	5J60	232

							.05uF	320V
406	6J40			.022u	2.7		600V	160J
			F			OUTPUT DIODES
				800V	10W		TP3
404						D1-D4
	4J40			B			150V
			S				80J
233	1J40			.022u	2.7			206	6J20
		12	11
				800V	10W
405	5J40	PRIMARY
		CURRENT						202
		SENSE							2J20
							- ELECTRODE

RS232 COMMON 1J25

+ELECTRODE VOLTAGE SENSE

- ELECTRODE VOLTAGE SENSE

6

251

7

20

S2 VOLTAGE SENSE

RECEPTACLE

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	MAIN CONTACTOR CONTROL
	8J61	10J61	T3
612	6J61	2J61	T1
	+13V
		4J60	604
	PRECHARGE RELAY
		4J61	T2
	SINGLE	3J60	238
	PHASE
	DETECT	8J60	231

		N.A.	MAIN CHOKE L1
	SWITCH BOARD#2 (RIGHT)		C1/TP1
			.05uF	320V
			600V	160J
		15
		S		214	4J21
		F	C	218
					8J21
		17
		S
		16
		F	D
	C5
	3400uF	18		503
503	450V				6J23
	3J50
506		15		506	13J23
	6J50
		16		235	5J23
235
	4J50
				234	4J23
234
	1J50
				239
					9J23

	WORK VOLTAGE SENSE	4J20
PRIMARY CURRENT SENSE
PRIMARY CURRENT SENSE	THERMAL LED	7J22
	THERMAL LED	9J22

IGBT DRIVE (+)

IGBT DRIVE (-)

CAPACITOR C5 OVERVOLTAGE (LOW=RUN)

CAPACITOR C5 UNDERVOLTAGE (LOW=RUN)

CONTROL BOARD COMMON

21A

2B

2W

1

2

3

4

YELLOW

THERMAL

LED

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A

AUX. RECONNECT

H2 200-208V

H3 220-230V

H4380-415V

H5 440-460V

239	5J50
				403	14J23
				406	7J23
				404	12J23
				233	3J23
				405	10J23
			224A	224	4J22
			290	220	10J22
	X4A	601A	OUTPUT RECTIFIER
			THERMOSTAT
	270 OHM,5W
	FAN THERMOSTAT
				238	8J23
				604	11J23
	N.A.			231	1J23
	POWER BOARD			232	2J23

IGBT DRIVE (+)

IGBT DRIVE (-)

CAPACITOR C4 OVERVOLTAGE (LOW=RUN)

CAPACITOR C4 UNDERVOLTAGE (LOW=RUN)

CONTROL BOARD COMMON

THERMOSTAT (CLOSE TO 10J22 TO RUN)

THERMOSTAT (CLOSE TO 4J22 TO RUN)

STATUS LED (HI FOR RED)	2J24
STATUS LED (HI FOR GREEN)	4J24

+13V

PRECHARGE CONTROL

PHASE DETECT (5V=RUN)

MAIN CONTACTOR CONTROL

1W

1B

RED/GREEN STATUS LED

Return

Return

612

CB4

6A

612B612A

AUXILIARY

TRANSFORMER T1

		H5	X4
H5A	(440-460)		0V
		H4
H4A	(380-415)		24V		X3
		H3				FAN
H3A	(220-230)						POS
			115V
					X5
		H2
					X1	POS	POS
H2A	(200-208)		52V			65VDC	C3
H1		H1			X2	NEG	25000uF/100V
							NEG
							NEG
	P80	TRANSFORMER T2
		H5
H5A	6
						CB2
	(440-460)
H4A	3	H4				10A
			P81
	(380-415)				33	31
		H3	4	R
H3A	2
			(115V)
	(220-230)			W
			1
		H2
H2A	4

		TESTVa	8J31	NOT USED
		Vcc(+15)	1J31	NOT USED
1J32				225	225
		+15Va	2J31			5J22
2J32				221	221
	WELD AND	+5Va	7J31			1J22
4J32	CURRENT			222	222
	CONTROL	GND a	4J31			2J22
5J32				223	223
		-15Va	3J31			3j22
		+5Vc	11J31	274	274	4J27
	CAN			273	273
		c	12J31			3J27
		+5Ve	6J31	226	226	6J22
	RS232			228	228
		e	5J31			8J22

	ARCLINK -	5J27
	ARCLINK +	1J27
+15V	FEEDER VOLTAGE SENSE	8J20

+5V

CONTROL BOARD COMMON

-15V

+5V ARCLINK +5V

ARCLINK COMMON

RS232 +5V

RS232 COMMON

S1 WIRE FEEDER

		RECEPTACLE
53	A	ARCLINK -
54	B ARCLINK +
67A	C ELECTRODE SENSE
52	D +40VDC
51	E	0VDC
L2

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CB3

10A

	(200-208)		32
H1A	1	H1

S4

RECEPTACLE

0VDC FEEDER	51BK	51
+40VDC FEEDER	50WT	50
		CB1 10A
				NOTES :
				N.A. PC BOARD COMPONENTS SHOWN FOR REFERENCE
				ONLY. ALL COMPONENTS ARE NOT SHOWN.
			THIS SHEET CONTAINS PROPRIETARY INFORMATION	UNLESS OTHERWISE SPECIFIED TOLERANCE
			OWNED BY THE LINCOLN ELECTRIC CO. AND IS	ON HOLE SIZES PER E2056		XA
				ON 2 PLACE DECIMALS IS	.02
			NOT TO BE REPRODUCED, DISCLOSED OR USED			11-14-97A
				ON 3 PLACE DECIMALS IS	.002
			WITHOUT THE EXPRESS PERMISSION OF			3-19-99D
				ON ALL ANGLES IS .5 OF A DEGREE
			THE LINCOLN ELECTRIC CO.	MATERIAL TOLERANCE (" ")t TO AGREE
				WITH PUBLISHED STANDARDS.

ELECTRICAL SYMBOLS PER E1537

THE LINCOLN ELECTRIC CO.		EQUIP.	INVERTER WELDERS
		TYPE
CLEVELAND, OHIO U.S.A.			MACHINE SCHEMATIC
SCALE	NONE	SUBJECT			G 3181
				SHT.
DR BK/JLV	DATE 3-22-96CHK	REF.	SUP'S'D'G	NO.

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

POWER WAVE 455/POWER FEED 10