
6. SAFETY FUNCTIONS
B–64114EN/01
OPERATION
478
In cylindrical interpolation mode, no check is made.
In polar coordinate interpolation mode, no check is made.
When the slanted axis control option is selected, no check is made.
In simple synchronous control, only the master axis is checked; no slave
axes are checked.
During drawing (while only drawing (no machining) is being performed),
no check is made.
No check is made for a movement based on PMC axis control.
No check is made for a chuck/tailstock barrier area (lathe system).
Number Message Contents
506 OVER TRAVEL : +n The pre–movement stroke limit check reveals
that the block end point enters the prohibited
area for the positive stroke limit along the n
axis. Correct the program.
507 OVER TRAVEL : –n The pre–movement stroke limit check reveals
that the block end point enters the prohibited
area for the negative stroke limit along the n
axis. Correct the program.
D Cyrindrical interpolation
mode
D Polar coordinate
interpolation mode
D Slanted axis control
D Simple synchronous
control
D Drawing
D PMC axis control
D Chuck/tailstock barrier
Alarm