Lincoln Electric IM491-B manual Wiring Diagram PRO-CUT

WIRING DIAGRAM - PRO-CUT 125

POS-D	1	OPTION	4	2A	STATUS BOARD	SAFETY	OUTPUT
32D	4		9	4A		RESET	OPTION
31D	3	BOARD	2	403	J31		CONTROL
			7	404			HARNESS
321D	5
		J19	5	76	OPTIONAL	S3	CW
400D	6		10	75	CNC & GMF		10K
2D			3	401			77D

TO SUPPLY

LINES

UT1

220/230V

TO PRIMARY

COILS

T3 9

TO SUPPLY

LINES

UT1

440/460V

OR 575V

T3 9

	7	J23	INTERFACE KIT	TS1	1	R1	3	OPTION
4D	8	8	402

T2

TP1

11 6

T2

11	6
TP1

6 2B 1 2 3 7 5 6 4 8 326 76B JUMPER

V

TP3

5 12

V

5	12
TP3

212D	10		1	4B					2		J10
76D	11							325
			1	POS	212 214 216 218				75 76 77	76C
	2	J25
			2	405	211	213	215	212D
324D	9										HALF OF
77D	12		3	NEG						OPTION
				JUMPER							OPTION

W

T3

TP2

8 10 4 T1

7

T2

T3

W

8	10	4	T1
TP2
	T2		7

J8	400D	JUMPER
	JUMPER J2

S1

S1

								OPTIONAL									J12	TO	GROUND
POS	405	NEG		75		401	402	TERMINAL	2B 4B 403	404
			2A 4A		76											14		PER	NATIONAL
								STRIPS
											12 6 3 14 7 8 4 9 5 10 11	3 6	2	1	4 5	12		ELECTRICAL CODE
								321D								7
																		327
										319	2					13	328

TO PRIMARY COILS

TO	GROUND
PER	NATIONAL

ELECTRICAL CODE

TO PRIMARY COILS

	76D	324D	324	15
	76B					11	38		4J12	SV1 1J12
			323	16
REMOTE					J2	6		31D						31
		76C	322	13
			321	1		5		31
						J10		37		CR1
				J8		10
		OPTIONAL		1		1		34	36
		REMOTE/LOCAL		2		2
LOCAL					CONTROL BOARD					+
		SWITCH	PRIMARY	3		9		SV2		CR2			31
				4		8	32D
		319	COIL	5		4
PURGE/RUN			THERMOSTAT	J3
				6		3
SWITCH				7				32		N.B.
(PURGE IS				8					32
OPEN)						1	392							31
				9
		319		10		2	393			CR2
						J11
					J6	3				35
HALF	OF					4
J12	OPTION			J7	J4	J5	394
JUMPER		5J12	2J12							7	9	3	4	5	6	2	1	8	J16

380V

TO SUPPLY

LINES

UT1

T2	TP1
V
T3
W	TP2

S1

TO GROUND

PER NATIONAL

ELECTRICAL CODE

TO PRIMARY

COILS

	T3	9
	11	6
TP3	5		12
			T1
8	10	4
			7
	T2

TO PRIMARY

COILS

– 36 –

	PRESSURE			2	4	1 3	5	6	4	3	9	10	11 12		1	2	7	8		3	1	2	4	5	7	6	8	3	4	1	2			606
	SWITCH																																605		601			603
				330	332		G1	G2			G3		G4		G5		G6					221	334		336			2		POS					602			604
				331		333	381			382		383		384	385			386			222			335			337		4			J5		HI	FREQ MODULE
																																OPTION
																																JUMPER
																																	607	608					J17
																							2D
			334																																				1
				335																			4D																2
																																							3
																							POS-D																4
																																			C1			20K
																																					R4
																																						5W	J18
																																							1
																																							4
																																							3
						31	32																																6
																																	607						2
							9	10	2	3	11 12		4	5	14 13		7	6	1	8																306			5
	24				24
	VAC	2			VAC																							NEG
1				3		31	FAN																		NEG
																																	71	72			E
									J13
OUTER													-													71							L503		L504
			20		110															BYPASS																		ELECTRODE
PRI.		5	VAC	6	VAC		32		SCR2				SCR4					SCR6		BOARD													72
4
7		8		9		15					AC2																							389					PILOT
							AC1								AC3
INNER
PRI. 10		11		12																												R8	15	389
																																	100W
																											POS
						14																										70	R2	3	R5	3
							SCR1				SCR3				SCR5																			300W		300W
						13
MAIN	TRANSFORMER						CR1
												+																12K			R6		391
																												10W
			H1						B				B				B																C501					R7	20
										R				R				R														+							100W
																																		CR2
		J15		H2			J14
									1	7	2	8	3	9	4	10	5	11 6		12
																																	D501
	H1	1																										208
605				230/460V																													390
380VAC	H2	3		220/380/440V						SCR		MODULE											POS										HI FREQ
606				CONNECTION						P.C. BD.																		R3		4				CR2
																														90W			ASBLY.
	H3	6		575V CONNECTION
																																	388		388
																									L1
																																	L2
																														78			78			W			WORK

GENERAL	INFORMATION
ELECTRICAL SYMBOLS PER E1537
RESISTORS = OHM/WATT (1/2 WATT UNLESS
OTHERWISE			SPECIFIED)
J2,	J15		J3,	J19		J4,	J7,
						J11,	J25
J10,		J13			J8
N.A.
	J5,	J31		J6,	J14,	J23
			3	2	1
			6	5	4
			9	8	7
J12,	J18		J16				J17
CONNECTOR			CAVITY	NUMBERING
SEQUENCE.			(VIEWED FROM
COMPONENT			SIDE OF	BOARD)

NOTES

N.A. J18 PIN 3 CONNECTS TO THE

NOZZLE (PILOT LEAD AT

THE TORCH).

N.B. NOT PRESENT ON SOME EARLY

MODELS.

A

PN25098

L10261

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..