5. DIGITAL SERVO
When there are no dog nor limit switch for reference position return, this
function enables the tool to return the reference position that is set by
When the absolute position detector is used, the reference position once
set remains also during power off. When the absolute detector is replaced
or absolute position is lost, perform this setting.
Reference position return
FL rate (Parameter 1425)
GRID . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Move the tool near the reference position using a manual operation.
2 Select the reference position return mode.
3 Press a button for an axis–and–direction–select–signal + or –, and the
machine moves to the next grid, then stops.
(This position is set as the reference position).
After the reference position has been set, select the reference position
return mode (SRN signal is 1) and turn on an axis–and–direction–
select signal, then the tool returns to the reference position.