Yaskawa YASNAC PC NC Programming Manual - Manual (Page 48)

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YASNAC PCNC Programming Manual Chapter 2: Commands Calling Axis Movements
FIGURE 2.2.3.2 Coordinate Values of Point B for G29 Operation
• In the following cases, the intermediate positioning point used for the execution of
G29 does not agree with the intermediate positioning point specified for the execution
of G28 or G30. Therefore, do not specify such commands or attempt such operation.
•
Execution of the following before the execution of G29 after the completion of
G28:
Coordinate system setting (G92 or coordinate system setting operation in POS.
job)
Intervention of machine lock
Intervention of manual operation with manual absolute OFF
•
Execution of G28, or G30 or G29 in a block specified after the cancellation of the
mirror image (M94) at a position different from the position where the mirror
image was started.
•
Execution of G28, or M30 or M29 after the intervention of manual operation with
the manual absolute OFF.
• If G29 is executed in the G91 incremental mode, it is valid for the commands in the
G29 block, in which the distance from the intermediate positioning point is specified,
and the position data of the intermediate positioning point are not influenced by this
mode.