
B–63173EN–1/01
4. REFERENCE POSITION ESTABLISHMENT
165
[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.
[Classification] Output signal
[Function] Notify the system that the reference position has been established.
A reference position establishment signal is provided for each axis. The
number appended to each signal name indicates the number of the
controlled axis.
1 : 1st–axis reference position establishment signal
2 : 2nd–axis reference position establishment signal
3 : 3rd–axis reference position establishment signal
:
:
ZRF 1
[Output condition] The signals are set to 1 in the following case:
⋅ When the reference position is established after manual reference
position return
⋅ When the reference position is established using the absolute–position
detector at initial power–on
Reference position
return end signals ZP1 to
ZP8 <F094>
Reference position
establishment signal
ZRF1 to ZRF8<F120>