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I
I
CR54
F-
U
a
UI
a
C
U
a
*The dotted line condition indicates the time
during
the weld
cycle
that the control
relay
is
deenergized.
The solid line condi
tion Indicates the time
during
the weld
cycle
that the control
relay
is
energized.
Route leads from the
receptacles through
the strain
relief
clamp provided
on
the side of the weld control.
After connections
are
made
to
the
receptacles,
reverse
the
steps
to
install the timer
panel.
3
-
6. WELD
CONTROL
INTERCONNECTIONS
(Figure
3-4)
WARNING
ELECTRIC SHOCK
can
kill.
Do
not
touch five electrical
parts.
Shut down
we/ding
power
source
and
be
sure
it
cannot
be
accidentally energized
before
making
interconnections.
This unit is
supplied
with the necessary
interconnecting
cords. Examine
and select the proper
cord for each of
the
following
connections.
A.
Voltage Sensing
Connections
Connect the
4-pin plug
from the
voltage sensing
cord
to
weld control
receptacle
A
(see
Figure
3-4).
Connect
re
maining
ends
as
follows: Connect lead with
clamp
at
tached
to
workpiece.
Connect lead with
ring
terminal
attached
to
weld cable terminal
on
wire drive
housing
(see
Owners
Manual 1538 for location of weld cable
terminal).
B.
Voltage
Control Connections
Connect the
4-pin plug
from the
voltage
control cord
to
weld control
receptacle
B
(see
Figure
3-4).
Connect
re
maining
end
to
VOLTAGE CONTROL
receptacle
on
welding
power
source.
Place VOLTAGE CONTROL
switch
on
welding
power
source
in
the REMOTE
posI
C.
Motor Control Connections
Connect the
9-pin plug
from the
motor
control cord
to
weld control
receptacle
C
(see
Figure
3-4).
Connect
re
maining
end
to
plug
from drive
motor.
D.
Gas Control
Connections
Connect the
14-pin
plug
from the gas control cord
to
weld control
receptacle
D
(see
Figure
3-4).
Connect
re
maining
end
to
receptacle
on
gas control
assembly
(see
Figure
3-5).
J~i~
J~R5~~
J~R54
CR~,
~
~R5s4
4~
~D
~
F
kR
L
~
CC
-i
I
--
-~
Fixture
(Example explained
in
Section
3-5.)
CR56*
CRS5
~
I!
II
ii
I
CR50
CR51
CR52
I,
I
I,
H
--it-----H-~
-
I,
I
Run
In
Speed
Pre-Flow Time
~
0.5
Sec.
Weld Time
Spot
Time
0-
Infinity
Or
0-2.5
Sec.
Crater Time
0-2.5 Sec.
START
Arc
Initiation
Burnback
Time
0-025
STOP
Time
Figure
3-3. Weld Control
Cycle
TB-080 432
tion.
Page8
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