Lincoln Electric SVM158-A Manual Do Utilizador
Section E-1
Section E-1
V350-PRO
Theory of Operation
.............................................................................................................
Section E
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
Remote
Board
Board
Mode
Panel
Panel
Display
Panel
Panel
Control Board
Choke
Positive
Output
Terminal
Output
Terminal
Negative
Output
Terminal
Output
Terminal
To Control
Board
Board
Current
F
eedbac
k
Reconnect
Switch
Switch
Output V
oltage
Sense
Input switch
Input
Rectifier
Rectifier
Auxiliary
Transformer
Transformer
Fan
Power
Board
Board
14 Pin
Amphenol
Amphenol
6 Pin
Amphenol
Amphenol
Remote Control & Trigger
RS232 Supply +5VDC
SPI Supply +15VDC +5VDC
Machine Control Supply
+15VDC, -15VDC, +5VDC
+15VDC, -15VDC, +5VDC
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
Current
Sensor
Primary
Current
Sensor
Current
Sensor
Output
Potentiometer
Potentiometer
Output
Control
Control
Weld
Terminals
Terminals
Advanced
Process
Panel
Process
Panel
RS232
12 VDC
(Not used if APP
is in place)
FIGURE E.1 – V350-PRO BLOCK LOGIC DIAGRAM