Lincoln Electric VRTEX 360 Service Manual page 52

E-1 TABLE OF CONTENTS-THEORY OF OPERATION SECTION
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-2
Input Power and Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-3
CPU Functions, User Controls, Indicators and Video/Audio Components . . . . . . . . . . . . . . . . . . . . . . . . .E-4
FMD Control Unit, Polhemus Interface Module, Welding Stand, Helmet and Relay Board . . . . . . . . . . . .E-5
TERMINAL
STRIP
ON
SWITCH
115/240 VAC
50/60 HERTZ
SINGLE PHASE
INPUT
INTERLOCK
RELAY
5 VDC USB
AUDIO 1
AUDIO
RECEPTACLE
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VRTEX 360 THEORY OF OPERATION
FIGURE E.1 BLOCK LOGIC DIAGRAM
VIDEO
RECEPTACLE
MONITOR VGA
SPLITTER
12 VDC
GREEN LED
12 VDC
SUPPLY
GREEN LED
POLHEMUS
5 VDC
5 VDC
INTERFACE
S
SUPPLY
MODULE
I
G
U
N
S
A
B
L
CPU
COMPUTER ASSEMBLY
TO VGA SPLITTER
U
S
B
PROCEDURE SELECTIONS
U
INTERFACE
S
MODULE
B
DIGITAL
SIGNAL
I/O
INTERFACE
MODULE
USER INTERFACE
DIGITAL
CONTROLS AND
(USB)
INDICATORS
(MULTIPLE DEVICES)
DISPLAY
LED
PC BOARD
VRTEX
FROM
<
CPU
VGA 1
12 VDC
5 VDC
WELDING
STAND
VISUAL AND AUDIO SIGNALS
HELMET
MOTOR CONTROL COMMANDS
TM 360
FMD
CONTROL
UNIT
MIG GUN
RELAY
DEVICE
PC
BOARD
STICK ELECTRODE
12 VDC
E-1
DEVICE
MOTOR
SIGNALS
MOTOR
CONTROL
PC BOARD