A SERVICE OF

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3.
Remove
welding
power
source
interface
side
panel.
4.
Route
remaining
cord
from computer
interface
through
strain
relief
in
bottom
of welding
power
source
interface,
to 14-position
terminal
strip.
5.
Connect
leads
as
follows:
a.
Red
lead
to
terminal 52.
b.
Blue
lead
to
terminal 50.
c.
White
lead
to
terminal 35.
d.
Green
lead
to
terminal 36.
e.
Long
green
lead
with
ring
terminal
connects
to
chassis
ground.
6.
Reinstall and
secure
side
panel.
2
-5.
COMPUTER
INTERFACE
TERMINAL
STRIP
CONNECTIONS
IMPORTANT:
A
25
ft.
(8m) interconnecting
cable
with
a
five-pin
Amphenol
plug
is
supplied
with
this
unit
but
is
not
used
in
this
installation. Retain
cable
for
future
use.
WARNING:
ELECTRIC
SHOCK
can kill.
•
Do
not
touch
live electrical
parts.
•
Shut
down
unit,
welding
power
source,
and
robot
and
disconnect
input
power
employing
“lockout/tagging
procedures”
before
making
in
-
terconnections.
Lockout/tagging
procedures
consist
of
padlocking
line
disconnect
switch
in
open
position,
removing
fuses
from
fuse box,
or
shutting off
and
red-tagging
circuit
breaker
or
other disconnecting device.
There
are
several
terminal
strips
inside
the
computer
in
-
terface
for
control
connections.
Remove
unit
top
cover,
loosen
screws
on
strain
relief
on
unit
rear
panel
if
necessary, and
locate
appropriate terminal
strip
for
con
-
nection.
Tighten
screws
on
strain
relief
if
necessary,
and
reinstall
top
cover when procedure
is
finished.
A.
ARC FAILURE
Light
Connections
The
ARC
FAILURE
light
on
the
computer
interface
front
panel
is
turned
on and
off
by
a
signal
from
the
robot
control
unit.
The
robot control
unit
must
supply
24
volts
dc
to
the
computer
interface
arc
failure
circuit
when
arc
failure occurs.
Locate
supplied
length
of
18
gauge/2
conductor
cord
for
this
connection,
and
proceed
as
follows:
1.
Open
robot control
unit
door,
and
locate
jig
ter
-
minal
strip
2.
2.
Route cord under
cross member
below
door.
3.
Make
cord
connections
to
terminal
strip
com
-
mon
and
the
Weld
Alarm
terminal.
4.
Close
robot control unit door,
and
route
cord
through
strain
relief
on
rear
panel
of
computer
in
-
terface.
5.
Connect
cord
common
to
2TL
and
positive to
2TG.
B.
CV/CC
Connections
1.
Locate
terminal
strip
2T.
2.
For
CC
operation,
remove
jumper link between
terminals
E
and F on
2T.
IMPORTANT:
The
Inductance control
is
disabled
when
operating
in
the
CC
(constant
current)
mode.
Ta-i
14
436
SECTION
3
-
FUNCTION
OF
CONTROLS
Arc
Failure
indicator
Light
Figure
3
-
1.
Front Panel
View
OM-882
Page
5