Appendix 2: transmig 250i circuit diagram, Transmig 250i appendix, Sch, sys, next gen welder – Tweco 250i Multi Process Welding Inverter 2RT Wire Feeder User Manual
Page 92
TRANSMIG 250i
APPENDIX
APPENDIX A-2
Manual 0-5187
APPENDIX 2: TRANSMIG 250i CIRCUIT DIAGRAM
Art # A-10334
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
Rev
Revision
By
Date
Rev
Revision
By
Date
42X500100
B
1
1
02/14/2011
GAC
Thermadyne World Headquarters
16052 Swingley Ridge Road, Suite 300
St Louis, Missouri 63017 USA
Drawn
Date
Sheet
of
Size
Drawing Number
SCHEMATIC
SCH, SYS, NEXT GEN WELDER
The information contained herein is proprietary to Thermadyne.
Title
Not for release, reproduction or distribution without written consent.
7/12/2011
Date Printed
Date Revised
7/12/2011
00 PROTOTYPE
GAC
07/12/2011
1
50
1
50
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4
1 3 2 4
1 2
1 2
1 2 3 4
1
2
3
4
5
6
1
2
3
4
5
P1
P2
P3
P12
P8
P10
P6
P5
P4
P13
P14
1 2
P7
DC+
GND PRI
N
I
C
A
N
I
C
A
BRIDGE +
BRIDGE -
CHASSIS GND
FERRITE
EMI BOARD
GND
GND
L2
L1
1
WELD OUTPUT +
1
WELD OUTPUT -
1
2
3
4
CURRENT SENSOR
INDUCTOR
TRANSFORMER
PRI
PRI
SEC
SEC
CT
BREAKER
LINE
LOAD
TRIG_RETURN
WFSPOT1
N/C
VPOT1
N/C
TRIG1
POT_RETURN
VBIAS
1
2
3
4
5
6
7
8
J
I
H
G
F
E
D
C
B
A
TRIG_SOL_RTN
SOL+
VBIAS
VIDENT
WFSPOT2
POT_RETURN
TRIG2
MOTOR+
MOTOR-
VPOT2
HI-POT
HI-POT
M
O
TO
R
B
R
EA
K
ER
TI
G
S
O
L
GA
S
SO
L
FA
N
FA
N
FRONT PANEL
FRONT PANEL
FRONT PANEL
P2
BRIDGE / MOV BOARD
1
2
TEMP SW
AUX TRIG
COMMON MODE CHOKE
NOTE 1
NOTE 1
CONTROL BOARD
P11
2
1
P9
NOTES:
1. EMI ASSEMBLY, COMMON MODE CHOKE AND FERRITE (IF USED)
Art # A-10334
1