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ELECTRICAL DIAGRAMS
G-6
V350-PRO
SCHEMATIC - CONTROL PC BOARD #3
AD_DATA[0:13]
SAWTOOTH GENERATOR
PRIMARY CURRENT SHUTDOWN 0.3 - 0.9A
PRIMARY CURRENT SENSE
IDEAL VOLTAGE
2/6/202.6,
70V=0.9V
CURRENT TRANSDUCER
SIGNAL IN
4V = 500A OUTPUT
CURRENT TRANSDUCER
INPUT = (-VOLTAGE)
CURRENT NODE CONTROL, DISABLE THE
FETS AS SOON AS PRIMARY CURRENT
IS GREATER THAN A REFERENCE LEVEL
Iout = -Vin*0.99mA
CURRENT FEEDBACK
INTEGRATOR
IDEAL V_AD
2.5V = 70 ArcVOLTS
INPUT FROM 2nd LEM
STT CURRENT FLOW
I>56A = HI
I<56A = LO
ON CONNECTOR
3500 VOLTS
1<GAIN<11
A/D CONVERSION
CURRENT LIMIT
SECONDARY CURRENT SENSE
VOLTAGE FEEDBACK
+STUP
67
-STUP
21
AD_DATA12
AD_DATA11
AD_DATA11
AD_DATA10
AD_DATA10
AD_DATA9
AD_DATA9
AD_DATA8
AD_DATA8
AD_DATA7
AD_DATA7
AD_DATA6
AD_DATA6
AD_DATA5
AD_DATA5
I_AD
I_AD
I_AD
I_FLOW_STT
AD_DATA4
AD_DATA4
MOSI
SCK
V_AD
V_AD
V_AD
AD_DATA0
AD_DATA0
AD_DATA13
AD_CS
POT_CS
MSELEN
MSELEN
AD_DATA1
AD_DATA1
AD_DATA2
AD_DATA2
AD_DATA3
AD_DATA3
MSEL0
MSEL0
MSEL1
MSEL1
SEL_I_ON
DA_CS
TURN_OFF_N
A
A
A
A
A D
A
A D
A
A
A
D
A
A
A
A
A
DA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A A
D
D
A
AA
A
A
A
A
D
A
A
A
A
D
D
A
A
R212
1M
R23047.5K
R25
2.21K
R113
1.50K
R27
47.5K
R231
1.00K
R24
511
R28
47.5K
R23
511
R26
47.5K
R53
47.5K
R22
10.0K
R61
1.00K
R29
47.5K
R55
100K
R111
100K
R110
47.5K
R146
4.75K
R63
33.2K
R66
2.21K
R65 33.2K
R141
475
R67
4.75K
R62
100
R106
100K
R59
221
R48
221
R49
100K
R108
100K
R102
221
R44
100
R207
100K
R118
1.50K
R122
1.50K
R109
2.67K
R139
10.0K
R123
3.32K
R115
100K
R114 26.7K
R120 26.7K
R112
1.00K
R138
475
R60
1.00k
R119
475
R117
150K
R56
1.00K
R57
47.5K
R140
10.0K
R128
3.32K
R129
3.32K
R1276.81K
R12110.0K
R130
6.81K
R116
475
R125
150K
R126
1.00K
R124
100K
R45
221
R151
10
R154
10
R157
10
R160
10
R148
10
R161
10
R158
10
R155
10
R152
10
R149
10
R71 1.00K
R70
121K
R74
1.50K
R76
1.50K
R80
1.50K
R78
1.50K
R73
100K
1/2W_HV
R79
100K
1/2W_HV
R75
100K
1/2W_HV
R77
100K
1/2W_HV
R72
26.7K
R54 1.00K
R107
10.0K
R691.00K
R681.00K
R142
100K
R143
1.00K
R144
1.00K
R103
10.0K
R58
1.00K
R209 4.75K
R210
4.75K
R211
1M
R208
100K
R206
1.00K
R233
33.2K
R213
1.00K
R241
10.0K
R214
1.00K
R216
10.0K
R217
10.0K
R218
10.0K
1
J9
3
J9
2
J9
4
J9
5
J9
6
J9
D101
MURS320T3
D68
S1G
D67
S1G
D56
MURS320T3
D55
MURS320T3
D51
MURS320T3
D57
MURS320T3
D75S1G
D64
S1G
D65
S1G
D70
S1G
D99
MURS320T3
D98
MURS320T3
D100
MURS320T3
C86
0.022uF
C1250.1uF
C550.1uF
C28
0.1uF
C82
0.1uF
C830.1uF
C7
0.022uF
C85
0.1uF
C8
0.1uF
C80
0.1uF
C50
0.1uF
C23
0.1uF
C21
0.1uF
C17
820pF
C51
0.1uF
C19
820pF
C58
0.1uF
C57
0.1uF
C56
0.27uF
C52
0.1uF
C34
0.27uF
C32
10pF
C26
150pF
C35
150pF
C36
150pF
C38
150pF
C37
150pF
C60
0.1uF
C59
0.1uF
C126
330pF
C124 0.1uF
C300.1uF
C127
0.1uF
C128
22pF
C129
0.1uF
C140
0.1uF
DZ3
1N5358B
DZ2
1N5333B
DZ4
1N5358B
DZ1
1N5333B
D35
1/2W
5.1V
MMSZ5231
D36
1/2W
5.1V
MMSZ5231
D38
1/2W
5.1V
MMSZ5231
D37
1/2W
5.1V
MMSZ5231
D42
1/2W
5.1V
MMSZ5231
D41
1/2W
5.1V
MMSZ5231
D40
1/2W
5.1V
MMSZ5231
D39
1/2W
5.1V
MMSZ5231
D69
1/2W
5.1V
MMSZ5231
2
J10B
1
J10B
2
J10A
1
J10A
(1)
(1)
(4)
(4)
(4)
(1)
(4)
(1)
(4)
(1)
(1)
(1)
(4)
(4)
(3)
(1)
(4)
(1)
(4)
E1
V-
V+
IN2
GND
VL
S
D
6
1
8
3
7
4
5
X31
ADG417D1
V-
V+
IN2
GND
VL
S
D
6
1
8
3
7
4
5
X13
ADG417D1
OP-27+
-
4
8
1
7
3
2
6
X1
1
TP1
1
TP2
1
TP3
1
TP4
1
TP5
1
TP6
+
-
11
4
10
9
8
X20
MC33074AD
+
-
11
4
10
9
8
X8
MC33074AD
+
-
11
4
3
2
1
X8
MC33074AD
+
-
11
4
12
13
14
X20
MC33074AD
+
-
11
4
12
13
14
X8
MC33074AD
+
-
11
4
5
6
7
X8
MC33074AD
+
-
11
4
3
2
1
X20
MC33074AD
+
-
11
4
12
13
14
X14
MC33074AD
+
-
11
4
5
6
7
X14
MC33074AD
+
-
11
4
10
9
8
X14
MC33074AD
+
-
11
4
3
2
1
X14
MC33074AD
+
-
11
4
5
6
7
X20
12
J7
11
J7
1
2
3
Q12
MMBT4401
1
2
3
Q18
MMBT4401
98
X30
74AC14
56
X30
74AC14
C49
20V
22uF
C54
20V
22uF
1
3
2
D66
BAV99
1
3
2
D50
BAV99
1
3
2
D33
BAV99
1
3
2
D49
BAV99
DGND
AGND
IOUT1
RFB
VREF
VDD
CS'
WR'D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
16
174
5
6
7
8
9
10
11
12
13
14
15
3
2
1
20
19
18
X12
AD7945BRS
+2.5V
-15V
+2.5V
+2.5V
+5VA
+5VA
-5V
-15V
-15V
+15V
+5V
+15V
-15V
+5V
+5VA
+15V
-15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-5V
+5VA
AA=5VA
+5VA
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+5VA+5VA
+5VA
+5VA
+15V
+5VA
+5VA
+15V
-15V
+15V
-15V
+5VA+15V
+15V
+15V
+5VA
+5VA
+15V
+15V
-15V
+5VA
+5V
24
22
23
X32
AD8403ARU10
2
4
3
X32
AD8403ARU10
24
22
23
X6
AD8403ARU10
6
8
7
X6
AD8403ARU10
20
18
19
X6
AD8403ARU10
2
4
3
X6
AD8403ARU10
L
G
V-
V+
+
-
8
7
1
5
6
4
3
2
X5
LT1016
L
G
V-
V+
+
-
8
7
1
5
6
4
3
2
X7
LT1016
DGND
AGND4
AGND3
AGND2
AGND1
VDD
SDO
SDI
SHDN'
CS'
RS'
CLK
9
5
17
1
21
16
13
12
10
11
15
14
X6
AD8403ARU10
DGND
AGND4
AGND3
AGND2
AGND1
VDD
SDO
SDI
SHDN'
CS'
RS'
CLK
9
5
17
1
21
16
13
12
10
11
15
14
X32
AD8403ARU10
1
3
2
D34
BAT54S
1
3
2
D54
BAT54S
1
3
2
D28
BAT54S
1
3
2
D47
BAT54S
EN
A1
A0
S1A
DA
DB
S4B
S3B
S2B
S1B
S4A
S3A
S2A
V+
V-
GND
14
3
15
8
9
10
11
12
13
7
6
5
4
2
16
1
X15
ADG409
1
J8
5
J8
7
1
2
8
Q11
IRF7103
5
3
4
6
Q11
IRF7103
CS'
RD'
A0
VA1
VB1
VA2
VB2
AGND1
AGND2
DGND
BUSY
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
VDD
VREF
CONVST'
28
1
2
3
4
5
6
9
10
11
12
13
14
15
23
7
16
27
17
18
26
25
20
22
21
8
19
24
X19
AD7863ARS-2
PRI_OC
OVR_CUR
RESET_RAMP
CLR_CAP
+2.5V
+2.5V
SYS_RESET
STROBE_AD
VDREF
/RES
SOLID EDGE
EN-170
MANUFACTURING TOLERANCE PER E2056
UNLESS OTHERWISE SPECIFIED TOLERANCE
SCALE:
DO NOT SCALE THIS DRAWING
ON 3 PLACE DECIMALS IS ± .002
THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY THE LINCOLN ELECTRIC COMPANY AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE LINCOLN ELECTRIC COMPANY, CLEVELAND, OHIO U.S.A.
DESIGN INFORMATION
t
DRAWN BY:
WITH PUBLISHED STANDARDS.
DATE:
ON 2 PLACE DECIMALS IS ±.02
MATERIAL TOLERANCE (" ") TO AGREE
ON ALL ANGLES IS ± .5 OF A DEGREE
SUBJECT:
ENGINEER:
EQUIPMENT TYPE:
DRAWING No.:
T. KOOKEN
F.V.
INVERTER WELDERS
DIGITAL CONTROL SCHEMATIC
G
NONE
12-15-99
REFERENCE:
SUPERSEDING:
APPROVED:
Chg. Sheet No."X" INFO.
XM5626
XA
6-2-2000A
3789-1D0/3
G-6
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.