Okuma Alarm-A 1734 Pickoff chuck interlock
An attempt is made to open the pickoff chuck when the pickoff spindle is rotating.
Or an attempt to rotate the pickoff spindle is made when the pickoff chuck is open.
Object
SYSTEM
Code
1->The pickoff chuck open command is given while the pickoff spindle is rotating.
2->The pickoff chuck open/close command is issued when the signal for indicating that the pickoff spindle is at a still
3->The pickoff chuck open command is issued when the pickoff spindle rotation command is effective.
4->The pickoff spindle rotation command is issued while the pickoff chuck is open.
5->The pickoff chuck open/close command is issued when the spindle and the pickoff spindle are under synchronous control by flat turning function.
6->The pickoff check close signal has turned OFF while the pickoff spindle is in rotation.
Probable Faulty Locations
1)Program error
2)Operation error
Program Example:
M13 SB=1000
M249