YASKAWA yasnac i80m

2.13
PROGRAM
SUPPORT
FUNCTIONS
(Cont’d)
NOTE
1.
When
commanding
G28
or
G29
due
to
a
change
of
tools
or
completion
of
machining,
be
sure
to
turn
the
mirror
image
off
with
M94.
If
G28
or
G29
is commanded
with
the
mirror
image
on,
alarm
"127"
results.
2.
Mirror
image
is
invalid
for
the
corrective
movement
by
tool
length
offset
function.
3.
Do
not
change
the mirror
image
axis
specification
while
operating
in
the
M95
(image
ON)
mode.
4.
The
current
value
display
(POS)
while
mirror
image
is
ON
indicates
the
actual
tool
movement.
5.
Be
sure
to
program
so
that
the
position
at
which
mirror
image
is
begun
to
be
applied
and
the
position
where
it
is
terminated
are
at
the
same
position.
If
not
matched,
movement
after
mirror
image
cancellation
is
displaced
by
the
difference
between
the
mirror
image
start
and end
positions
(see
the
diagram
below).
N'II
i
cs;
X
ii
v
u
:
Nn2
_
N
irj
'J
'.HI
On
\«i4
X
u
7>
N
m..
No?
\UK
\iri
N
In
MMT.
.
MIRROR
IMAGE
ON
F.lnn
:
XHl.
V
4
n
XI
2
ii.
:
.1
Ini'
X
4
II.
:
V
4
II.
:
>:
»
V
11
=
M
94
:
X
2
V-
in.
:
>
:
IS
INSERTED
HERE. THE
LOTTED
LINE
NT
SHOWN
BELOW
RESULTS.
CORRECT
MIRROR
IMAGE
OFF
N
I
PROGRAM
COMMAND
N
AXIS
MIRROR
IMAGE
ON
j
]~m
i
A
4.1
/
+
x
-i:u
-*i\
-
in
-
.’nkniif
PCTNT
DO
mu
"U
4I>
'
--f
---
-40
MOVEMENT
DUE
TO ERROR
IN
CANCELED
POSITION
t
LOKKECT
MOVEMENT
Fig.
2.13.26
Movement
when Mirror
Image
Start
and
End
Positions
Differ
-
212
-