B–63505EN/02
5. DIGITAL SERVO
217
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
MTB.
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.
Time
JOG
ZRN
+Jα
Speed
Reference position return
FL rate (PRM 1425)
GRID . . . . . . . . . . . . . . . . . . . . . . . . .
ZP α
1 Move the tool near the reference position using a manual operation.
2 Select the reference position return mode or switch.
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(ZRN signal is 1) and turn on an axis–and–direction–
select signal, then the tool returns to the reference position.
5.4
DOGLESS
REFERENCE
POSITION SETTING
5.4.1
General
5.4.2
Operation