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ELECTRICAL DIAGRAMS
G-14
POWER WAVE 450
SCHEMATIC - PROTECTION PRINTED CIRCUIT BOARD
+10Vp
2.43K
R117
X8
8
9
10
2.43K
R116
CNY17-3
OCI3
42
1
6
5
50V
0.27
C18
LM224
X6
4
11
100K
R109
2.21K
R123
33074A
X8
4
11
C22
+10Vp
1K
CW
R105
56.2K
R10
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
NO.
SUP’S’D’G.
CHK.
DR.
DATE
12-26-91
TEL
CAP DELTA MONITOR
FREQ RANGE 0-2.5KHz
DEADBAND +/- 375 Hz
GAIN .25 KHz/V
CAP1=CAP2 Fc=1.25KHz
A
B
C
CAP1>CAP2 F<1.25KHz
CAP1<CAP2 F>1.25KHz
1.0
1W
R158
4.7
35V
C30
100V
1A
Q15
100K
R115
1.00K
R107
+
REF
-
TL431
X9
1
6
8
2.67K
R106
LM224
X5
4
11
C21
C20
2.21K
R122
LM224
X7
4
11
C23
1W
15V
DZ11
100V
1A
Q16
J39
3
X7
14
13
12
J39
2
J39
1
C31
1.00K
R8
C32
1W
6.2V
DZ14
1N4936
D28
3.32K
R7
1.50K
R120
100K
R114
100K
R110
3.32K
R108
100
R9
1.82K
R127
X8
7
6
5
681
R159
1W
10V
DZ13
X6
14
13
12
10K
R111
10K
R112
33.2K
R124
+24V
X5
1
2
3
J31
12
10K
R51
33.2K
R47
J31
5
10K
R46
2K
CW
R44
J31
13
267K
R40
267K
R43
J34
9
J34
8
J31
1
J34
13
J31
8
J33
1
J34
10
J34
5
+10Vp
J33
4
J31
9
J31
11
J33
2
J34
1
J33
5
J34
2
J34
3
J34
7
J33
6
+10Vp
+24V
CAP DELTA
(ADDS GAIN +
SHIFTS Fc)
D
.0027
50V
C13
J35
1
J34
14
J34
11
J35
2
J35
3
J35
5
J34
12
J34
6
J35
4
J34
4
J33
3
267K
R42
8.25K
R49
J31
3
10K
R45
267K
R41
J31
6
267K
R68
267K
R70
X5
14
13
12
150K
R79
33.2K
R75
.0027
50V
C15
267K
R99
10K
R103
10K
R73
22.1K
R48
1.00K
R6
J31
4
15.0K
R50
B
DISABLE RM
V < 170V
VERIFY CHARGE
Vupcap > 170 VDC
J31
14
VOLTAGE
B
MONITOR 2
GAIN = .016 V/V
Vupcap or 0V
J31
2
X6
7
6
5
CAP2 FAULT
267K
R71
2K
CW
R72
.0027
50V
C14
X6
8
9
10
X5
7
6
5
10K
R74
150K
R76
267K
R100
J31
7
J31
10
267K
R69
ENABLE RM
V > 170V
10K
R102
33.2K
R104
X5
8
9
10
150K
R78
267K
R97
2K
CW
R101
267K
R98
OR Vlowcap
GAIN = .016 V/V
C
MONITOR 3
VOLTAGE
Vupcap + Vlowcap
150K
R77
100K
R113
Vfault
C
LOWER CAP
NO FAULT
Vlowcap
D
FAULT
VOLTAGE MONITOR
D21
D16
D17
D18
D22
1.50K
R119
133K
R83
475
R137
40V
600mA
Q6
47.5K
R54
68.1K
R55
24 VDC
CR1
1
2
X7
1
2
3
15.0K
R61
5.11K
R60
C29
Q9
2N4401
33.2K
R58
22.1K
R59
18
15V
C24
SOFT START
24 VDC
CR2
1
2
D19
J36
4
1N4936
D2
150
R3
150
R5
1N4936
D1
1N4936
D3
1N4936
D4
150
R4
J36
3
150
R2
+24V
+24V
+24V
+24V
24VAC
AUXILIARY
TRANSFORMER
24VAC FROM
TO CONTROL BD
A
SOFT START
SOFT START
ENABLE
DISABLE
50V
4
C1
10K
R52
HIGH VOLTAGE DIVIDERS
C26
20W
200
R151
X6
1
2
3
J30
5
20W
200
R150
20W
200
R160
J30
7
J30
4
CR2
3
4
J30
2
20W
200
R129
SOFT START DISABLE
J30
11
J30
8
J30
3
CR1
3
4
+10Vp
CAP1 FAULT
VOLTAGE MONITOR
+10Vp
UPPER CAP
FAULT
NO FAULT
Vupcap
A
GAIN = .016 V/V
VOLTAGE
MONITOR 1
UNDER VOLTAGE &
A
J30
16
GND
100
20V
C16
D35
22.1K
R85
15.0K
R86
400V
.1
C25
G
MT2
MT1
TRI1
1.00K
R139
Q12
2N4401
4.75K
R130
X7
8
9
10
3.32K
R128
RUN MODE
C
1.00K
R157
J32
4
40V
600mA
Q11
10K
R80
J30
1
26.7
R141
50V
0.1
C36
200
R140
J32
5
3.32K
R138
D24
+24V
START
+24V
+24V
1.00K
R11
68.1K
R89
475
R91
DISABLE
RUN MODE
RUN MODE
ENABLE
475
R82
15.0K
R81
133K
R84
C27
RUN MODE DISABLE
15.0K
R53
DISABLE
X7
7
6
5
OUTPUT
3043
OCI5
2
6
1
4
B
J30
6
TO LOAD SIDE OF INPUT SWITCH
TO CONTACTOR COIL
33.2K
R92
J32
6
J30
14
J39
4
100
R13
D12
20W
200
R132
50V
150p
C35
20W
200
R161
J30
15
POWER SUPPLY
TYPE
SUBJECT
162
DISABLE
OUTPUT
TO CONTROL BD
(UNLESS OTHERWISE SPECIFIED)
J30
9
J30
10
J30
12
.022/50V
3.32K
R154
3.32K
R155
1/4W
ELECTRICAL SYMBOLS PER E1537
ENABLE
LABELS
C-
SUPPLY
D-
R-
GENERAL INFORMATION
+24V
Q-
VOLTAGE NET
COMMON CONNECTION
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
CNY17-3
OCI4
42
1
6
5
SECONDARY - 4000V ISOLATION FROM PRIMARY
56.2K
R12
1W
6.2V
DZ15
OUTPUT
50V
0.1
C34
J30
13
22.1K
R152
Q17
2N4401
15.0K
R153
CAPACITORS =
MFD
FILENAME: G2451_2DA
SCALE
FROM ALL CIRCUITS
PRIMARY - 2500V ISOLATION
1W
15V
DZ12
2.21K
R125
50V
150p
C33
2.21K
R126
22.1K
R144
NOTES :
C28
NUMBER.
+10V PREC.
Vfault
GND
THE LINCOLN ELECTRIC CO.
EQUIP.
CLEVELAND, OHIO U.S.A.
GND
TO CONTROL BD
SECONDARY - 4000V ISOLATION FROM PRIMARY
15
DZ-
35
LAST NO. USED
36
FRAME CONNECTION
17
D
Ch’ge.Sht.No.
1A, 400V
(
DIODES =
RESISTORS = Ohms (
2451
NONE
G
SHT.
INVERTEC
15.0K
R95
15.0K
R96
+24V
40V
600mA
Q14
56.2K
R90
18
15V
C17
+10Vp
22.1K
R142
X8
1
2
3
V/F CONVERTER
D
X8
14
13
12
15.0K
R93
22.1K
R143
150
R1
J36
2
J32
2
.39mH
L2
J38
4
J37
1
15J
50V
TP2
J32
3
J32
1
J35
6
D13
3300
50V
C10
J38
2
D14
J37
2
J37
4
J38
1
J38
3
D11
.39mH
L1
J37
3
J36
1
42V
AMPTROL
WIRE FEEDER 2
WIRE FEEDER 1
AUXILIARY
DISPLAY BD
POWER BD
115V
24V
105
106
G
FROM CURRENT
TRANSFORMER
SECONDARY - 4000V ISOLATION FROM PRIMARY CIRCUITS
START
2451
+
t
.25
R162
TO LOAD SIDE OF CONTACTOR
24VAC
START
4.7
35V
C12
6.81K
R135
221
R134
D15
ADJ
IN
OUT
X4
C11
10K
R136
1-6-95B
1-10-97D
10-27-95G
PROTECTION PC BOARD SCHEMATIC
TEL
G-14
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.