
4. REFERENCE POSITION ESTABLISHMENT
B–63173EN–1/01
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– If a reference position has been set up
The selected axis is positioned at the reference position, provided that
reference position setting is possible.
[Classification] Input signal
[Function] This signal selects an axis for which a reference position is to be set up
without dogs in the manual reference position return mode.
1 : Reference position without dogs for 1st axis
2 : Reference position without dogs for 2nd axis
:
:
Z R 1
[Operation] When the signal becomes 1, the control unit behaves as follows:
The current position of the selected axis is set up as the reference position,
provided that reference position setting is possible.
[Classification] Output signal
[Function] These signals report that the tool is at the refernce position on a controlled
axis.
These siganls are provided for axes in a one–to–one corespondence.
A number appended to a signal represents a controlled axis number.
1 : Reference position return end signal for the first axis
2 : Reference position return end signal for the second axis
3 : Reference position return end signal for the third axis
:
:
ZP 1
[Output condition] These signals turn to “1” when:
D Manual reference position returns is completed, and the current
position is in the in–position area.
D Automatic reference position return (G28) is completed, and the
current position is in the in–position area.
D Reference position return check (G27) is completed, and the current
position is in the in–position area.
These signals turn to “0”when:
D The tool has moved from the reference position.
D An emergency stop is applied.
D A servo alarm is raised.
Reference position
without dogs setting
signal ZRn <G210>
Reference position
return end signals ZP1 to
ZP8 <F094>