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ELECTRICAL DIAGRAMS
G-7
INVERTEC® V155-S
SCHEMATIC - INVERTER PC BOARD - SHEET #2
A
Vref
Vref
15V
GND
Vref
PRES
15V
15V
15V
15V
15V
15V
TA
SLAVE
REC
DUTY
PWM
MASTER
PASSIVEn
COMP
PTC
VINint
ERRORn
GND
15V
PRES
PILOT
Title
Size Document Number Rev
teehS:.vertsaletaD
of
Appr.Dr.
This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not
to be reproduced, disclosed, or used without the express permission of LINCOLN ELECTRIC
ITALIA
LINCOLN ELECTRIC ITALIA s.r.l.
SERRA RICCO' (GE) - ITALIA
:etad.simets1:.rd.simets1
X0519 02
INVERTER BOARDV145
A3
33Friday, February 17, 2006
Friday, January 31, 2003J. Daniel
Title
Size Document Number Rev
teehS:.vertsaletaD
of
Appr.Dr.
This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not
to be reproduced, disclosed, or used without the express permission of LINCOLN ELECTRIC
ITALIA
LINCOLN ELECTRIC ITALIA s.r.l.
SERRA RICCO' (GE) - ITALIA
:etad.simets1:.rd.simets1
X0519 02
INVERTER BOARDV145
A3
33Friday, February 17, 2006
Friday, January 31, 2003J. Daniel
Title
Size Document Number Rev
teehS:.vertsaletaD
of
Appr.Dr.
This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not
to be reproduced, disclosed, or used without the express permission of LINCOLN ELECTRIC
ITALIA
LINCOLN ELECTRIC ITALIA s.r.l.
SERRA RICCO' (GE) - ITALIA
:etad.simets1:.rd.simets1
X0519 02
INVERTER BOARDV145
A3
33Friday, February 17, 2006
Friday, January 31, 2003J. Daniel
V. Natarelli
FEED-FORWARD
Taratura
Duty Max
43%
Taratura
oscillatore
C26 100pFC26 100pF
R56 100RR56 100R
R76
10k
N.M.
R76
10k
N.M.
C30
2n2F
350Vdc
2%
C30
2n2F
350Vdc
2%
R80
1k8
R80
1k8
R51 10kR51 10k
Q10
BC337
N.M.
Q10
BC337
N.M.
C25
100nF
50V
C25
100nF
50V
D26
1N4148
D26
1N4148
VCC
15
GND
10
PGND
12
VC
13
Vref
16
CLRef
11
SHD
9
OUT
14
CLK
4
RT
5
CT
6
Ramp
7
EO
3
EII
1
ENI
2
SS
8
U6
MC34023
U6
MC34023
R64
1k
R64
1k
R61 2k2R61 2k2
CW
R73
1k
CW
R73
1k
R68
1k5
R68
1k5
R78
4k7
R78
4k7
C28
100nF
50V
C28
100nF
50V
D31
1N4148
D31
1N4148
R75 10k
N.M.
R75 10k
N.M.
R65
4k7
R65
4k7
C19
220nF
50V
C19
220nF
50V
C20
100nF
50V
C20
100nF
50V
R69
1k
N.M.
R69
1k
N.M.
R77
4k7
N.M.
R77
4k7
N.M.
Q11
IRFD110
Q11
IRFD110
C29
1nF
630V
C29
1nF
630V
R83
1k
R83
1k
R81
8k2
R81
8k2
R50 3kR50 3k
R47 10k
N.M.
R47 10k
N.M.
R72 4k7
N.M.
R72 4k7
N.M.
C27 220pF
100V
C27 220pF
100V
R66
15R
R66
15R
R59
10k
R59
10k
C24
100nF
50V
C24
100nF
50V
R67 18kR67 18k
Q9
IRFD110
N.M.
Q9
IRFD110
N.M.
3
2
1
+
-
U3A
LM358
+
-
U3A
LM358
R70
4k7
R70
4k7
R62 820R
N.M.
R62 820R
N.M.
R49 3kR49 3k
D28
BAT43
D28
BAT43
CW
R84
2k
CW
R84
2k
C21
100nF
50V
C21
100nF
50V
R44
270k
R44
270k
D30
1N4148
N.M.
D30
1N4148
N.M.
R63 10kR63 10k
R60
68k
R60
68k
R58
10k
R58
10k
R45 100kR45 100k
R53 10kR53 10k
R79 56RR79 56RD29
1N4148
N.M.
D29
1N4148
N.M.
C22
100nF
50V
C22
100nF
50V
C31
100nF
50V
C31
100nF
50V
R52 10kR52 10k
R55
2k2
R55
2k2
R71
1k
N.M.
R71
1k
N.M.
5
6
7
+
-
U3B
LM358
+
-
U3B
LM358
R54
1k
R54
1k
3
2
1
+
-
U5A
LM393
+
-
U5A
LM393
R42 22kR42 22k
84
U3C
LM358
U3C
LM358
D32
1N4148
D32
1N4148
R46
2k2
R46
2k2
5
6
7
+
-
U5B
LM393
+
-
U5B
LM393
R57 39kR57 39k
R82
10k
R82
10k
D27
1N4148
D27
1N4148
84
U5C
LM393
U5C
LM393
R74
15k
R74
15k
C23
100nF
50V
C23
100nF
50V
R48 1kR48 1k
C32
100nF
50V
C32
100nF
50V
R43
180R
R43
180R
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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