Lincoln Electric SVM114-C 사용자 설명서
TABLE OF CONTENTS
- THEORY OF OPERATION SECTION -
LN-25™
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section E
Section E
Section E
FIGURE E.1 THEORY OF OPERATION BLOCK DIAGRAM
ELECTRODE
INPUT CABLE
TO WORK
SENSING LEAD
P
O
L
A
R
R
I
T
Y
S
W
I
T
C
H
H
VOLT
METER
CONTROL
BOARD
WIRE FEED
MODE SWITCH
SOLENOID
PC BOARD
GAS
SOLENOID
WIRE SPEED
CONTROL
RANGE
SWITCH
CONDUCTOR
BLOCK
M
O
T
O
R
O
T
O
R
HALL
EFFECT
MODULE
GUN
TRIGGER
CONNECTOR
OPTIONAL
CONTACTOR
BOARD
COLD
INCH
SWITCH
OPTIONAL
CONTACTOR
GUN CABLE
RPM FEEDBACK
ARMATURE VOLTAGE
EARLY MODELS ONLY - LATER MODELS HAVE CIRCUITRY
INCLUDED ON CONTROL BOARD