
Ed. Date Design Description
Date Jan.07.’04 Design. Apprv.
page
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56/64
FANUC Series 30i-MODEL A
Real time custom macro
A-79350EN
Title
Draw
No.
Machine coordinate system selection
When a position in the machine coordinate system is specified, a movement is made
to the position on the axis by rapid traverse. The G53 code for machine coordinate
system selection is a one-shot G code, so that a command in the machine coordinate
system is valid in the block that specifies G53. When moving the tool to a
machine-specific position such as a tool change position, perform programming in the
machine coordinate system based on G53.
Format
// ZDO ;
G90 G53 IP ___ ;
ZEND ;
G90 :G code for absolute command
IP __:Position in machine coordinate system
NOTE
1. Only one axis can be specified in one block.
2. The incremental command (G91) cannot be specified.
3. When using this function, be sure to set bit 0 (RPD) of parameter No.
8002 to 0.
4. Before this command can be specified, a reference position must be
established. (With this command, do not specify an axis on which a
reference position is not established.)
5. Before specifying this command with the T series, cancel tool offset and
tool-nose radius compensation. Before specifying this command with
the M series, cancel cutter compensation, tool length compensation,
and tool offset.
・Rapid traverse override
With bit 2 (OVE) of parameter No. 8001, whether to use the rapid traverse
override signal for an NC statement or the rapid traverse override signal
dedicated to PMC axis control can be chosen.
NOTE
1. Even if bit 4 (RF0) of parameter No. 1401 is set to 1, rapid traverse
does not stop with a cutting feed override of 0%.