Lincoln Electric IM544-B Welding System User Manual


 
F-1
DIAGRAMS
F-1
COMMANDER 400
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific dia-
gram for your particular machine is pasted inside the machine on one of the enclosure panels.
WIRING DIAGRAM:
240 uF
240 uF
240 uF
STATOR
ASSEMBLY
RECTIFIER
SHUNT
600 AMP
CHOKE
OUTPUT
SCR A
SCR B
SCR C
G1
G2
G3
G1
G2
G3
1
2
3
6
8
2
3
1
2
3
204S
206S
204S
206S
207
SNUBBER PC BOARD
1
2
3
221
220
219
218
217
216
215
214
213
222
1
2
3
4
5
6
7
8
9
10
213
214
215
216
217
218
219
220
221
222
261
223
204
50 Ohm
100 W
120 V
WHITE
120/240V
15A
CB4
15A
CB3
CB1
CB2
11
12
9
6A
50A
50A
9
11
12
TERM.
3A
GREEN
GREEN
GREEN
WHITE
BLACK
BLACK
BLACK
8
8
GND-C
GND-D
E1
E2
3
IDLER
SWITCH
AUTO
S4
SWITCH
FINE CONTROL
POT
SELECTOR
S1
4
2
76
75
75
77
77
76B
77B
76
12 VOLT
BATTERY
(+)
(-)
COIL
COIL
PULL
HOLD
SOLENOID
IDLE
ENGINE GROUND
1
J2
1
3
4
B1
E2
E1
MOTOR
+
-
232
231A
231A
236C
240
234
233A
255
GROUND SCREW
3
GND-E
5C
5A
5
5C
5C
236B
236A
METER
HOUR
SENSOR
SENSOR
FUEL LVL.
S2
232A
239A
229
241
J10
6
WHITE
5E
5G
5G
5E
5H
5H
5C
GROUND SCREW
IN CONTROL BOX
GND-D
GND-C
GND-E
IN CONTROL BOX
6B
3B
S3
START BUTTON
HIGH
3
BLACK
6
BLACK
IN CONTROL BOX
T1
1002
1004
1006
1008
1011
1013
1015
1009
1010
1012
1014
1016
1017
1019
1021
1023
1018
1020
1022
1024
1001
1003
1005
1007
1002
1004
1006
1008
CAPACITOR
T2
T3
S8
W5
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
ELECTRICAL SYMBOLS PER E1537
NEG.
POS.
RUN
STOP
242E
239A
229B
245
243
5
67
8
242D
247
227
239
EXC
NEG
POS
SENSE
226
225
224
STARTER
SOLENOID
ALTERNATOR
242
242
NEXT AVLB.
S6
A
C
B
D
E
F
AMPHENOL 2
77D
76D
75D
2D
4D
REMOTE
CONTROL
GROUND
TRIGGER
77C
GFCI
LINE
LOAD
LOAD
LINE
HOT
WHITE
WHITE
HOT
227
75B
J12
METER
PCB
1
2
3
4
1
2
3
4
250
251
252
253
9
8
7
6
5
4
3
2
1
A
226
234
246
242G
1
2
3
4
5
6
SENSOR
SWITCH
SWITCH
228A
241A
229A
239
239B
1
2
3
4
5
6
7
8
ENGINE TO PCB HARNESS
PANEL TO PANEL WIRES
PANEL TO PCB HARNESS
120 V
GFCI
LINE
LOAD
LOAD
LINE
HOT
WHITE
WHITE
HOT
J11
239B
242I
204B
209
9
237
J16
P16
254
COIL
COIL
PULL
HOLD
SOLENOID
SHUTDOWN
256
232
224
242D
76C
228
STARTING
206
6
8
15
16
SPI
SCI
OUTPUT
SOURCE
CONTROL
ALWAYS ON
OUTPUT REMOTELY
CONTROLLED
CW
VIEWED FROM
BACK
11
12
13
14
23
5
6
8
9
4
267
238
262
262
261
204
223
CC
BYPASS PC
BOARD
260
1
2
3
4
5
6
7
8
9
10
270
269
268
272
273
270
269
268
272
273
REMOTE/
LOCAL
SWITCH
GND-F
GND-F
8
7
65
204A
2
4
WELDED STUD
ON OUTPUT PANEL
GND-A
DC
DB
DA
DD
AUX. POWER
B3
B2
4
J30
260
ENGINE PROT.
BOARD
J23
J8
J4
J1
J6
J7
J3
237
274
280
10
207
233
280
279
10
11
256
255
STAINLESS STEEL
STAND-OFF
FRAME GROUND
1
47
12
1
4
47
9
204A
T3
T2
T1
6
5
5A
3
EXCITER
WINDINGS
W1
W5
W2
W6
W3
W3
W6
W1
W4
W2
240
287
SOLENOID GROUND
STUD ON ENGINE
4
279
236A
233A
233
240
240A
MOTHER
CONTROL
PC BOARD
J5
J40
J50
STUD ON ENGINE
MOUNT CHANNEL
ST
UD
ON
ENGINE
CONNECTIONS TO
CAPACITORS MADE
EXC
ITER V
OLTAG
E
FEEDBACK BOARD
5D
3D
3D
3D
5D
3D
5D
3D
NEUTRAL T2 STUD
T1 INSULATED STUD
T3
INSULATED STUD
(optional)
232H
CONNECTIONS
WK
G
OIL TEMP. SENSOR & SWITCH
+
-
AMMETER
229A
+
-
+
-
+
-
FUEL
S
SS
228A
241A
232B
TEMP.
232C
232A
242B
242A
242C
LOW
FUEL
LOW
PRESS.
245
OIL
PRESS.
TEMP.
ALT.
243
236C
229B
247
246
238
242G
232E
232G
232F
232D
L11008
COMMANDER 400-STICK MODEL WIRING DIAGRAM
1
23
45
J60
2
4D
75D
76D
2D
77D
3
4
5
6
1
7
8
6
77C
75B
76C
4B
2B
4B
2B
FRAME GROUND
J61
(VIEWED FROM BACK)
REMOTE PROTECTION PCB
AUXILIARY BYPASS PCB
5J
9A
5K
8A
5J
9A
5K
8A
AUX. CURRENT
SENSE TOROID
8A
5J
9A
5K
8A
5J
9A
5K
B4
B5
B6
B7
9A
5K
5J
8A
5D
274
240A
CONTROL HARNESS
CONTROL HARNESS
CONTROL HARNESS
ENGINE HARNESS TO PANEL WIRES
ENGINE HARNESS
CONTROL PANEL
GND-H
ON CONTROL PANEL
SMALL
TAB
LARGE
TAB
SILVER
TAB
SILVER
TAB
SILVER
TAB
STUD ON GENERATOR
MOUNT CHANNEL
STAINLESS STEEL
STAND-OFF
FRAME GROUND
STAINLESS STEEL
STAND-OFF
FRAME GROUND
W4
W6
242I
CONNECTIONS ON CONTROL BOARD
(VIEWED AS INSTALLED)
J2
J6
J5 J8 J7 J1
J4
J3
B1
B2
B3
J23
ENGINE
PROT.
BOARD
POSITION NAMEPLATE SETTING
SELECTOR SWITCH (S8)
1 NO FUNCTION
2 NO FUNCTION
3 90 MAX
4 120 MAX
5 180 MAX
6 230 MAX
7 270 MAX
8 400 MAX
9 50-575
(SEE SELECT SWITCH CHART)
STAINLESS STEEL
STAND-OFF
COMMON BATT.
285
285
OIL PRESSURE SWITCH
& SENSOR
286
BOLT ONTO
SENDER BRK’T
VIA BOLTED
5-15-98A