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THEORY OF OPERATION
E-5 E-5
VRTEX
TM
360
NOTE: Unshaded areas of Block Logic
Diagram are the subject of discussion
FMD CONTROL UNIT, POLHEMUS
INTERFACE MODULE, WELDING
STAND, HELMET, RELAY BOARD
AND WELDING DEVICES
The FMD Control Unit forwards the video and audio
information it receives from the CPU to the Helmet for
real time user performance feedback.
The Polhemus Interface Module processes feedback
signals it receives from the Welding Stand, the Helmet
and the Relay PC Board and via a USB cable connec-
tion provides interactive performance information to
the CPU. The Welding Devices (Mig and Stick) and
the Welding Stand interact through magnetic signals.
FIGURE E.5 - FMD CONTROL UNIT, POLHEMUS INTERFACE MODULE, WELDING STAND, HELMET,
RELAY BOARD AND WELDING DEVICES
The Relay PC Board receives user procedure selec-
tions from the Interface Digital I/O Module. The Relay
PC Board then activates either the Mig Gun Device or
the Stick Electrode Device and interacts with the
Polhemus Interface Module to provide virtual welding
feedback information to the CPU. When the Stick
Electrode Device is selected the Motor Control PC
Board is commanded by the Interface Digital I/O
Module to retract the magnetic electrode to simulate
the consumption of a stick electrode.
115/240 VAC
50/60 HERTZ
SINGLE PHASE
INPUT
TERMINAL
STRIP
O
N
SWITCH
INTERLOCK
RELAY
5 VDC USB
SIGNAL
AUDIO 1
A
UDIO
R
ECEPTACLE
DISPLAY
L
ED
P
C BOARD
INTERFACE
MODULE
DIGITAL
(USB)
VIDEO
RECEPTACLE
M
ONITOR VGA
S
PLITTER
12 VDC
GREEN LED
12 VDC
S
UPPLY
GREEN LED
5 VDC
SUPPLY
5 VDC
CPU
COMPUTER ASSEMBLY
U
S
B
S
I
G
N
A
L
U
S
B
POLHEMUS
INTERFACE
MODULE
FROM
CPU
VGA 1
I
NTERFACE
MODULE
D
IGITAL
I/O
U
S
B
PROCEDURE SELECTIONS
TO VGA SPLITTER
USER INTERFACE
CONTROLS AND
INDICATORS
(MULTIPLE DEVICES)
WELDING
STAND
HELMET
RELAY
PC
BOARD
<
12 VDC
5 VDC
VISUAL AND AUDIO SIGNALS
FMD
CONTROL
UNIT
M
OTOR CONTROL COMMANDS
12 VDC
MIG GUN
DEVICE
S
TICK ELECTRODE
DEVICE
M
OTOR
C
ONTROL
PC BOARD
MOTOR
SIGNALS
V
G
A
3
+
4
A
N
D
A
U
D
I
O
2
12 VDC
VRTEX 360 THEORY OF OPERATION
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