YASKAWA yasnac i80m Instruction Manual page 99

NOTE
O
If G29
is
instructed
in
tool offset mode
(G41, G42) or
canned
cycle (G73, G74. G76.
G77,
G81
to
G89).
alarm "170''
or
"182" results.
©
If G29 is instructed after
power
is turned ON without G28
or
G30 being executed, alarm
"0240"
results.
©
Asa rule, the tool position
offset
must
be canceled before G28
or
G30 or G29 can be instructed.
If instructed while the offset is applied, intermediate positioning point B is
also offset
and
the tool
passes
point
B'. Tool position offset and tool length offset
cannot
be canceled by
G29 command.
I
/J
L
(
KKFKKKNLK POINT*
/
/
/
OB (I NTK hi MED] ATE I'OSIl luNING
INSTKUCTED POINT*
OFFSET QUANTITY
1*
/
/
/
6
A
Fig. 2.6.4 Movement when Tool Position Offset is
not
canceled
O
If
G29
is instructed
in mirror image (M95). the following results.
Table 2.6.4
Parameter Pill-1001
1)2 Movement
Mirror
image is applied to
intermediate
point and command
value.
Alarm "127" results.
0
l
©
In the
following cases, the intermediate point of G28 or G30 does
not
match the intermediate
point of G29.
Therefore, avoid making commands or operations that cause such nonconformance.
•
When the following is performed from the time G28 is completed
to
when G29 is instructed
•
Setting of coordinate
system
(G92.
| ZERO SET |
key operation)
Intervention of machine lock
• Intervention of manual operation in manual absolute OFF
•
When G28. G30. or G29 is instructed in
a
block after mirror
image
is canceled
(M94)
at
a
position different from the mirror image starting point.
•
When
G28.G30, or
G29 isinstructed after intervention of manual operation
in manual
absolute
OFF.
75