YASKAWA YASNAC 3000G - Page 155

.
3.
Depress
POWER
ON
pushbutton.
Where
the
control
is
equipped
with
a
door
interlock
switch,
draw
it
out
with
the
movable
section
by
hand.
The
power
can
be
turned
on,
with
the
door
open.
8.2
REPLACEMENT
OF
BATTERY
While
power
is
off,
the
batteries
are
used
as
power
source
for
memory
in
order
to
prevent
programming
data
stored
in
memory
such
as
parameter,
tool
offset
and
part
program
from
eras
ing.
When
the
battery
is
going
to
be
discharged
after
a
long
period
of
use,
BATTERY
lamp
on
the
op¬
erator's
panel
lights
to
give
warning
for
replacer
ment.
In
such
occasion,
consult
the
company.
The
battery
must
be
changed
with
new
one
before
a
month
passes.
Where
replacing,
never
re¬
move
the
old
battery,
with
power
off,
otherwise
the
data
stored
in
memory
may
be
cleared
away.
Check
if
LEDs
(
ILED
and
2LED)
on
memory
board
are
lighting.
Fig.
8.2.1
shows
the
arrangement
of
LEDs
and
the
battery.
4.
©
1I..ED:
If
lighting,
replace
the
large
battery
"660S"
as
memory
power
of
part
program
with
new
one.
©
Replacing
Procedure
2LED:
If
lighting,
replace
the
small
battery
"4
00S"
as
memory
power
of
param¬
eter
and
tool
offset
with
new
one.
1.
Depress
POWER
OFF
pushbutton
on
the
oper¬
ator's
panel.
f
2.
Open
the
front
door
of
the
control.
The
bat¬
tery
of
the
memory
(printed
circuit)
board
can
be
seen on
the
CPU
module
which
is
mounted
on
rear
of
the
front
door.
(printed
circuit)
board
is
mounted
behind
the
CPU
module,
loosen
two
CPU
module
set
screws,
and
the
CPU
is
hinged
open.
660S
•
Type:
JZNC-GBA02
Type:
JZNC-GBA01
If
the
memory
400S
MEMORY
PRINTED
CIRCUIT
BOARD
BATTERY
"400S
"
FOR
MEMORY
OF
PARAMETER
AND
TOOL
OFFSET
X
4
CN
5CN
PLUG
STATIONS
FOR
BATTERY
"400S"
o
m
MOUNTING
SCREWS
FOR
BATTERY
2
LED
m
®
,LED
|gl
PLUG
STATIONS
|°f
FOR
BATTERY
[|J
"660S”
7
2
CN
3CN
BATTERY
"660S"
FOR
MEMORY
OF
PART
PROGRAM
(OPTIONAL)
Tpu
MODULE
2
MOUNTING
SCREWS
FOR
CPU
MODULE
Fig.
8.2.
1
Arrangement
of
LED
and
Battery
-
148
-