YASKAWA yasnac i80m

(9)
By
the
command
G51
IOJOP---;,
the
current
position
can
be
specified
as
the
center
of
scaling.
NOTE
O
Scaling
normally
turns
on
at
machining
approach,
and
turns
off after
machining
iscompletcd.
If
scaling
is turned
on
in
the middle
of
machining,
the
workpiece
may
not
be
correctly
shaped.
®
Scaling
is
normally
applied
to
the
two
axes
of
the
machining
plane.
If
scaling
is
applied
to
only
one
axis,
circular command
cannot
be
correctly
scaled,
so
alarm
“281'’
results.
©
|
G51
1
.....
J
......
K
......
P
......
:,G50;
]
These
blocks
must
be
instructed
with
a
single
block.
If
X,
Y.
and
Z
are
instructed
in
the
same
block,
alarm
"281"
results.
©
When
a
magnification
rate
of
scaling
equal
to
or
greater
than
XI
is
specified,
make
sure
the
magnified
command
value
docs
not
exceed
the maximum
command
value.
©
0
cannot
be
instructed
for
the
magnification
rate
of
scaling.
Specification
of
0
results
in
alarm
‘•281".
©
Scaling
is
not
applied
to
offset
quantities.
©
No
canned
cycle
can
be
executed while
scaling
is
applied
to
Z-axis
(otherwise,
alarm
“280”
results)
©
When
msel
(by
depressing
the
RESET
key
or
by
M02
or
M30
command),
scaling
is
turned
off
(G
l
50).
©
Command
value
and
current
value
display
during
scaling
become
the
values
after
scaling.
©
The
following
G
codes
cannot
be
instructed
during
scaling
(otherwise,
alarm
“280“
results):
G27.
G28.
G29.
G30. G31.
G52Q2.
G53.
G92
®
Scaling
(G51)
cannot
be
instructed
in
tool
radius
compensation
C
(otherwise,
alarm
"280"
results).
©
The
following
show's
alarm
codes
related
to
scaling:
;
Table
2.8.6
Alarm
Code
Alarm
No.
Contents
280
Unusable
G
code
is
instructed
during
sealing
mode.
Unusable
G
code
in
scaling
•
More
than
one
G50
or
G5!
is
specified.
•
The
magnification
rate
iso.
An
unusable
G
code is
instructed
in
scaling.
Scaling
format
error
:
©
For
scaling,
G51
and
G50
must
always
be
used
as a
pair.
Once
the
scaling
mode is
entered.
new
G51
commands
arc
disregarded.
©
Combination
with
work
coordinate
rotation,
mirror
image,
or
coordinate
rotation
function
The
above
0
coties
must
be
arranged
in
the
specified
order.
Otherwise,
alarm
‘‘285"
Work
coordinate
rotation
iCF.-li
»
Mirror
image
(M95)
.ÿ
Scaling
iG51)
:ÿ
Coordinate
rotation
(CGS)
©
Scaling
command
ill
mirror
image
When
the
scaling
function
is used
in
a
mirror
image
operation,
the
mirror
image
function
changes
the
center
of
scaling.
©
Coordinate
rotation
command
during
scaling
When
the
coordinate rotation
function
is
used
during
scaling,
the
scaling
function
changes
the
center
nf
rotation.
The
angle
of
rotation
remains
unchanged.
occurs.
99
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