Section e - theory of operation – Lincoln Electric INVERTEC V350-PRO SVM152-A User Manual
Page 31
Section E-1
Section E-1
V350-PRO
Theory of Operation
.............................................................................................................
Section E
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
Remote
Board
Mode
Panel
Status
Panel
Display
Panel
Control Board
Choke
Positive
Output
Terminal
Negative
Output
Terminal
To Control
Board
Current
F
eedbac
k
Reconnect
Switch
Output V
oltage
Sense
Input switch
& 100A Breaker
Input
Rectifier
Auxiliary
Transformer
Fan
Power
Board
14 Pin
Amphenol
6 Pin
Amphenol
Remote Control & Trigger
Solenoid Supply
40VDC
RS232 Supply +5VDC
SPI Supply +15VDC +5VDC
Machine Control Supply
+15VDC, -15VDC, +6VDC
40VDC
28VAC
24VAC
115VAC, 42VAC
Main Switch Board
115VAC Fan Supply
Optional Solenoid
SPI Communications & +15VDC, +5VDC Supply
F
an Control
V/F Capacitor Feedback (2)
Soft Start Control
Input Relay Control
Primary Current Feedback
IGBT Dr
iv
e Signal
Primary
Current
Sensor
Primary
Current
Sensor
FIGURE E.1 – V350-PRO BLOCK LOGIC DIAGRAM