Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B - Manual (Page 274)

Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Master TOC
Retur
n to Master TOC
Retur
n to Master TOC
Retur
n to Master TOC
ELECTRICAL DIAGRAMS G-6
POWER WAVE 450
SCHEMATIC - CONTROL PC BOARD #3
1.00K R191
200
R282
825
R283
50V
820p
C138
50V
820p
C137
FETS AS SOON AS SECONDARY CURRENT
X63
13
1 2
33.2K
R278
X61 14
13
12
100K
R
2 7 7
+
REF
-
TL431
X91
1
6
8
54HC4066
X63
14
7
267
R 2 7 4
OVR_CUR
+5V +5V
+5V
+2.5V
O/D(8)
O/D(11)
O/D(10)
O/D(9)
O/D(0:15)
A
-5V
A
50V
0.1
C148
DSP2_W0
50V
0.1
C133
221K
R288
(DSP2, PORT2)
2E: CURRENT MODE CONTROL
Ch’ge.Sht.No.
DR.
ON HOLES SIZES PER E-2056
MATERIAL TOLERANCE ("t") TO AGREE
ON 3 PLACE DECIMALS IS + .OO2
ON 2 PLACE DECIMALS IS + .O2
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON ALL ANGLES IS + .5 OF A DEGREE
2H: REFERENCE VOLTAGES
G 2241-3
IS GREATER THAN A REFERENCE LEVEL
CURRENT MODE CONTROL, DISABLE THE
20
10
D2 O2
D0
D1
01
/OE
00 D7
74AC573
D6
O4
O5
D3
D4
GND
O7
Vcc
O3
O6
D5
LE
X90
5
6
12
13
16
14
9
15
11
19
4
7
2
18 8
3
17
1
2
3 18
DB7
DGND
DB6
DB5
DB8
DB11
/WR
DB9
DB1
DB2
DB4
RFB
/CS
AD7545
DB10
VREF
DB0
DB3
Vdd
OUT1
AGND
X54
1 20
15
14
12
11
13
10 4
5
6
7
8
17
19
9
16
50V
820p
C140
1.00K R186
J20
6
J20
7
21A
21B
KELVIN VOLTAGE 3 POLE FILTER
50V
0.1
C132
50V
0.1
C97
Q OUT
LE
GND -IN
V+ /Q OUT
+IN
V-
X93
LT1016
7
5 4
6
8
3
2
1
A
1.0
0K
R 3 0 0
+_OUTPUT
-_OUTPUT
67A
A
26.7K R
3 3
47.5K
R66
100V
1A
Q12
1.00K
R187
150
R299
40V
600mA
Q13
750 R 1 4 9
500
CW
R 1 5 0
1N914
D11
50V
820p
C54
1.0
0K
R 1 5 6
4.7
5K
R 3 0 2
1.00K
R189
J20
1
1.00K
R188
1.0
0K
R 1 5 2
4.75K
R 1 4 2
40V
600mA
Q10
1N4936
D52
J20
3
50V
0.27
C88
1W
15V
DZ27
J21
8
J20
2
1N914
D10
10.0
R153
150
R155 X61
1
2
3
67B
+15V
V_LIMIT
CLR_CAP
A
+15V
I_AD
I_AD = 5.0V @ 800A OUTPUT
GAIN = 5.0 to 6.9
CURRENT FEEDBACK
AMPLIFIER
2D: CURRENT FEEDBACK 2C: SECONDARY CURRENT SENSE
CLEARING NETWORK
SECONDARY CURRENT
(SHEET 2, X39)
CURRENT FEEDBACK
INTERGATOR
CURRENT FEEDBACK
SHUNT CONNECTION
10mA = 800A OUTPUT
CURRENT SIGNAL IN
4.75K
R154
FEEDBACK SWITCH
A
+15V
NOISE_GROUND D
+15V
V_AD
I_AD
+5V
NOISE_GROUND
-15V
1W
5.1V
DZ20
-15V
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
X63
6
8 9
SECOND STAGE CUTOFF FREQ = 3.3 KHZ
FIRST STAGE CUTOFF FREQ = 4.8 KHZ
MATRIX
VOLTAGE IDEALLY
THIRD STAGE CUTOFF FREQ = 3.4 KHZ AS1
ARC 3Ef: MULTIPLEXING THE V INPUTS
GENERAL INFORMATION
CAPACITORS =
THE LINCOLN ELECTRIC CO.
ELECTRICAL SYMBOLS PER E1537
RESISTORS = Ohms (
DIODES =
ANALOG CIRCUITRY - SHEET 3
WITH PUBLISHED STANDARDS
NOTES :
SHEET 1, X16
CONTROLED BY )
J20
8
1.0
0K
R 9 2
J20
5
( 1.0
0K
R 13
5
1W
5.1V
DZ19 1.
00
K
R 91
J20
4
80V=3.81V
1W
5.1V
DZ22 1.0
0K
R 9 0
1W
5.1V
DZ21 1.0
0K
R 9 3
1W
5.1V
DZ18 1.0
0K
R 8 9
A
-15V
+15V
NOISE_GROUND
2F: VOLTAGE FEEDBACK
EQUAL TO 10/210,
50V
0.1
C73
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X55
12
1
16
19 2
6 15
9
11
4
8
3
7
5
17
18
13
14
1.00K
R97
1.50K
R96
(SHEET 1, X5)
(HC11 ADDR/DATA BUS)
2G: PROGRAMMABLE VREF
VOLTAGE FEEDBACK
TRIM_DAC REFERENCE
1.00K
R120
1.00K
R171
1.00K
R94
1.50K
R98
100V
22p
C85
X26 1
2
3
3
13
MC1408
A4
Vee
A7
R CON
Vcc
Io
COMP
A2 A1
Vref-
Vref+
A6
A8
A5
GND A3
X56
6
16
14
15
1
2
5
4
7
8
9
10
12
11
10K
R169
*
681
R126
A
-5V +Vref_I
A
A
A
+15V +Vref_I
A
+2.5V
+2.5V
+15V -15V
A
DA-AD[4]
DA-AD[2]
DA-AD[3]
DA-AD[1]
DA-AD[0]
DA-AD[6]
DA-AD[5]
DA-AD[0:7]
A
DA-AD[7]
WR_REF
D
DA-AD[0:7]
4.75K
R314
PRECISION
2.21K
R293
3.32K
R290
X63
12
11 10
50V
.022
C142
50V
0.1
C141
50V
0.1
C144
10K
R295
50V
.0047
C143
2.21K
R294
X64
6
8 9
X64
13
1 2
X63
5
4 3 332
R292 X92 7
6
5
6.81K
R303
X92 1
2
3
6.81K
R304
332
R291
50V
.022
C145
3.32K
R289
50V
.0047
C146
X64
12
11 10
100K
R99
10K
R296
100K
R175
1N914
D14
33.2K
R174
X92
14
13
12
33.2K
R181
475
R 1 4 6
22.1K
R 27
3
10K
R297
1N914
D13
475
R 1 4 7
AS3
AS4
AS5
A
A
AS6
AS7
AS8
V_LIMIT
A
V_AD
*
RECTIFIER
GAIN = 2
*
*
X64
5
4 3
AS2
1N914
D16
1N914
D12
*
DIFFERENTIAL AMPLIFIER
*
UNITY GAIN
*
AMPLIFIER
UNITY GAIN
150
R178 X92
8
9
10
100K
R 1 4 8
100K
R141
5.11K
R298
100
R270
50V
0.1
C152
50V
0.1
C151
50V
0.1
C153 50V
0.1
C150
50V
0.1
C100
33074A
X71
4
11
50V
0.1
C101
50V
0.1
C87
33074A
X61
4
11
50V
0.1
C96
33074A
X92
4
11
J21
7
GRAPHICS ONLY
CONNECTED IN
Vdd
AGND DGND
AD7545
X54
2
18
3
J21
3
J21
2
1W
15V
DZ34
J21
6
J21
4
100
R271
0.1
C98
50V 54HC4066
X64
14
7
1W
15V
DZ35
+15V
+15V
A A
A
-15V
A
-15V
D A
+5V +5V
(TO VOLTAGE A/D)
ALL GROUNDS MEET
HERE AND ONLY HERE
D
CLR_SHUNT
CLEARING NETWORK
20
10
D2 O1
/OE
D0
O5
D1
O6 D7
74AC573
D6
O3
O4
D3
D4
GND
LE
Vcc
O2
O0
D5
O7
X68
5
6
11
19
17
15
9
16
12
13
4
7
1
14 8
2
18
3
50V
150p
C136
X61 8
9
10
50V
820p
C134
100V
330p
C135
1.00K
R275
6.81K
R281
X21 9 8
100V
22p
C57
6.81K
R285
Q33
2N4401
10K
R 2 7 9
10K
R284
50V
820p
C139
825
R287
SECONDARY CURRENT REGULATION
O/D(3)
O/D(7)
CLR_SHUNT
O/D(4)
O/D(0:15) A
A
O/D(5)
O/D(6)
O/D(2)
O/D(1)
O/D(0)
(DSP2)
(DSP2 DATA BUS) GENERATE A REFERENCE LEVEL
(2) TO CURRENT A/D
(DSP2) FILTER INCOMING
1.00K
R280
200
R286
6.81K
R276
50V
0.1
C77
10.0
R
3 0 6
10.0
R 3 0 7
4.75K
R310
X71 8
9
10
33.2K R 13
0
50V
0.1
C79
10K
R185
475
R184 X71
14
13
12
1.00K
R 18
3
10.0
R 3 0 5
2I: V LIMIT
LABELS
( Q-
LAST NO. USED
DZ-
X-
POWER WAVE
NONE
NO.
50V
0.1
C105
1.00K
R 30
1
CHK.
Q15
2N4403
EQUIP.
SUBJECT
TYPE
G SHT.
SUP’S’D’G. 11-25-92
1/4W
R-
D-
C-
SUPPLY
.022/50V
UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
(UNLESS OTHERWISE SPECIFIED)
NOISE_GROUND
V_LIMIT
156
52
35
34
93
345
26.7
R 1 8 2
+5V
74AC573
X68
20
10
33.2K
R121
10.0
R316
10K
R170
1.00K
R 1 6 8
Q14
2N4403
10K
R172
X71
1
2
3
10.0
R 16
6
50V
0.1
C95
50V
0.1
C83
74AC573
X90
20
10
74HC573
X55
20
10
50V
0.1
C84
10.0
R 31
3
10.0
R 31
2
Q8
2N4401
1.00K
R 31
1
1.00K
R 3 0 8
Q9
2N4401
MC1408
X56
13
3
475
R167
CURRENT A/D
50V
0.1
C81
-5V
D
+5V
+Vref_V
+Vref_I
-5V A
SUPPLY RAIL
TRANSIENTS ABOVE 5.0V
CLAMP CIRCUIT FOR
VOLTAGE A/D
REFERENCE
MFD
1A, 400V
FRAME CONNECTION
COMMON CONNECTION
VOLTAGE NET
EARTH GROUND CONNECTION
CLEVELAND, OHIO U.S.A.
JRF
SCALE
CONTROL SCHEMATIC
DATE 2241-3
POWER SUPPLY SOURCE POINT
FILE: G2241_2A1
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
NUMBER.
REFERENCE
475
R 1 7 7
1N914
D15
1.00K
R 1 2 7
475
R128
475
R122
10.0
R 3 0 9
1.00K
R 11
8
X71 7
6
5
33.2K
R129
1.00K R 31
5
1-6-95B
4-21-95J
8-11-95C
1-30-98B
8-13-99B
G-6
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.