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ELECTRICAL DIAGRAMS
G-7
POWER WAVE 450
SCHEMATIC - CONTROL PC BOARD #4
5.11K
R206
10.0
R225
221K
R219
CNY17-3
OCI4
42
1
6
5
10K
R257
221K
R254
CNY17-3
OCI8
42
1
6
5
D42
150
R256
J26
6
10K
R255
D22
J26
2
150
R220
DIS2
SWITCH2
+5V
DIS1
1N4936
D23
J26
1
+5V
J23
6
J26
5
SWITCH1
+5V
LOW = TRIGGER CLOSED
(TO HC11)
HIGH = TRIGGER OPEN
+5.5V
LOW = TRIGGER CLOSED
HIGH = TRIGGER OPEN
(TO HC11)
SWITCH
2241-4
SWITCH
ON / OFF
+5.5V
ON / OFF
G
(FROM HC11)
(TO HC11)
50V
2700p
C121
RXD
40V
600mA
Q23
2L: GENERATE FAULT SIGNAL
10K
R222
681
R226
1.00K
R221
1W
5.1V
DZ31
1N914
D24
50V
0.1
C119
J23
5
HIGH = FAULT
LOW = NORMAL
(TO HC11)
1.00K
+15V
D
THERMAL
V_LIMIT
DK-
SER_LOOP
J26
4
61.9K
R236
WF-
1.3K
R240
10K
R239
50V
2700p
C124
50V
150p
C123
CNY17-3
OCI7
42
1
6
5
D26
400V
.0047
C122
200
R238
D27
D30
D29
500mA
300V
Q26
56.2K
R234
1.00K
R231
50V
2700p
C109
750
R233
2K
R237
26.7
R232
10K
R235
681
R134
300V
500mA
Q25
40V
600mA
Q28
3.32K
R241
50V
820p
C120
J26
3
FAULT
SWDK
D
+15V
OPT+
Q27
2N4403
WF+
DK+
*
HIGH = NORMAL
LOW = FAULT
(SHEET 1, X20)
TURN ON/OFF DISPLAY/KEYPAD FROM SERIAL LOOP
(SHEET 1, X20)
150V
45J
TP3
D28
J27
3
J28
1
*
SHUTDOWN @ 214 AMPS
D41
221K
R217
PRIMARY OVER CURRENT
D20
*
50V
150p
C116
Q34
2N4401
100V
330p
C126
FAULT X61-7 @ PLUS RAIL
A
= 1.257 Volts
D40
150
R253
SWOP
NORMAL X61-7 @ MINUS RAIL
*
SER_LOOP
D
3.32K
R212
J21
5
3.32K
R211
D18
4.75K
R214
2.67K
R215
26.7K
R86
J23
4
D25
1.3K
R204
100K
R209
3.32K
R207
10K
R202
GND
NC
CATH
ANODE
NC
VB
VCC
VC
OCI5
5
3
4
7
2
1
6
8
Q22
2N4403
200
R205
10K
R210
50V
820p
C114
681
R259
500mA
300V
Q24
J23
2
10K
R319
26.7K
R230
1N914
D47
1.00K
R228
1W
5.1V
DZ33
50V
150p
C128
1.00K
R258
50V
150p
C127
X41
8
10
9
100K
R223
26.7K
R229
J22
5
750
R218
681
R119
300V
500mA
Q21
2K
R224
50V
2700p
C113
40V
600mA
Q20
26.7
R227
D21
+15V
+15V
SWWF
D
NOISE_GROUND
+5V
CAP1
D
NOISE_GROUND
D
TXD
2N: THERMAL OVERLOAD INPUT
MUST BE ISOLATED FROM
ALL OTHER SIGNALS
2M: ON/OFF SWITCHES
10K
(TO DSP2)
MUST BE ISOLATED FROM
ALL OTHER SIGNALS
3J23 INPUT FROM PROTECTION
300V
+5V FOR FAULT CONDITION
0V FOR NORMAL CONDITION
1.00K
R203
10.0
R260
J23
3
1W
5.1V
DZ32
J23
1
*
10K
R246
1.3K
R247
CNY17-3
OCI3
42
1
6
5
D31
26.7
R244
D32
56.2K
R200
10K
R198
200
R252
D17
50V
150p
C107
500mA
300V
Q30
40V
600mA
Q19
1.00K
R199
681
R327
61.9K
R245
300V
500mA
Q18
+15V
50V
820p
C108
Q32
2N4403
D37
2K
R248
150V
45J
TP4
400V
.0047
C125
750
R196
D
D35
3.32K
R197
UNLESS OTHERWISE SPECIFIED)
2A: SERIAL LOOP
WIRE FEEDER TRANSMIT/RECEIVE FOR SERIAL LOOP
2J: PRIMARY CURRENT SENSE
NONE
.022/50V
GENERAL INFORMATION
UNLESS OTHERWISE SPECIFIED)
RESISTORS = Ohms (
2B: SERIAL LOOP PORT SWITCHES
DIODES =
MFD
1A, 400V
(UNLESS OTHERWISE SPECIFIED)
Ch’ge.Sht.No.
THE LINCOLN ELECTRIC CO.
SCALE
CLEVELAND, OHIO U.S.A.
(
CAPACITORS =
1/4W
ELECTRICAL SYMBOLS PER E1537
TURN ON/OFF OPT FROM SERIAL LOOP
MATERIAL TOLERANCE ("t") TO AGREE
ON ALL ANGLES IS + .5 OF A DEGREE
35
156
93
X-
LABELS
2241-4
ON HOLES SIZES PER E-2056
ON 2 PLACE DECIMALS IS + .O2
ON 3 PLACE DECIMALS IS + .OO2
EQUIP.
TYPE
SUBJECT
NO.
JRF
CHK.
11-25-92
DATE
SUP’S’D’G.
DR.
G
SHT.
FILE: G2241_2A1
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
VOLTAGE NET
COMMON CONNECTION
* INDICATES CHANGE FROM "XRF" VERSION
SL
J28
3
J28
4
(SHEET 1, X20)
52
POWER WAVE
CONTROL SCHEMATIC
34
NOTES :
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
NUMBER.
SERIAL LOOP / PROTECTION INTERFACE - SHEET 4
UNLESS OTHERWISE SPECIFIED TOLERANCE
345
C-
WITH PUBLISHED STANDARDS
D-
R-
Q-
DZ-
FRAME CONNECTION
LAST NO. USED
OPT-
SUPPLY
J22
4
J28
2
D43
40V
600mA
Q16
D38
3.32K
R195
300V
500mA
Q17
681
R138
61.9K
R243
500mA
300V
Q29
750
R194
2K
R261
D34
200
R250
Q31
2N4403
J27
1
D36
1.3K
R249
CNY17-3
OCI2
42
1
6
5
D33
26.7
R242
150V
45J
TP5
J27
4
10K
R193
400V
.0047
C129
1.00K
R192
D39
50V
820p
C106
50V
150p
C110
J27
2
10K
R251
D
+15V
*
TURN ON/OFF WIRE FEEDER 1 FROM SERIAL LOOP
56.2K
R201
GND
NC
CATH
ANODE
NC
VB
VCC
VC
OCI6
5
3
4
7
2
1
6
8
150K
R159
100V
330p
C90
56.2K
R208
10.0
R164
10K
R317
150V
45J
TP2
+Vref_I
D
+15V
D
*
CT FEEDBACK
220 Primary Amps
2K: PROTECTION BOARD INTERFACE
1W
5.1V
DZ30
50V
0.1
C111
4.75K
R216
10K
R213
50V
150p
C117
D19
50V
150p
C112
50V
150p
C115
X61
7
6
5
47.5K
R84
10K
R158
400V
.0047
C118
J21
1
10K
R318
.022
C91
4.75K
R161
10.0
R162
2.21K
R87
1N914
D4
1N914
D5
10.0
R160
10.0
R165
10.0
R163
1-6-95B
8-11-95C
1-30-98B
8-13-99B
G-7
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
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