
4.REFERENCE POSITION ESTABLISHMENT B-63783EN-1/01
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Signal
Manual reference position return selection signal
ZRN <G002#7>
[Classification] Input Signal
[Function] This signal selects manual reference position return.
Manual reference position return is a kind of jog feed. Therefor, to
select manual reference position return, it is required that the jog mode
be selected and that the manual reference position return selection
signal be set to "1".
[Operation] When the manual reference position return selection signal is set to "1",
the control unit becomes as described below.
- If jog feed mode is not selected, the control unit ignores the
manual reference position return selection signal.
- If jog mode is selected, manual reference position return is
enabled. In this case, manual reference position return selection
check signal MREF turns to "1".
NOTE
If the ZRN status changes from "0" to "1" or "1" to "0"
during jog feed, the feedrate is decelerated to 0.
Then, to make reference position return or jog feed,
turn feed axis and direction selection signal to "0"
then set it to "1".
Manual reference position return selection check signal
MZRN <F002#7>
[Classification] Output Signal
[Function] This signal reports that manual reference position return has been
selected once.
[Output condition] This signal turns to "1" when:
- Manual reference position return has been selected.
The signal turns to "0" when:
- The selection of manual reference position return has terminated.