FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

B–62754EN/01
6. SAFETY FUNCTIONS
OPERATION
537
For the two–path control, set a forbidden area for each tool post.
NOTE
In setting a forbidden area, if the two points to be set arethe
same, the area is as follows:
(1)When the forbidden area is stored stroke check 1, all
areas are forbidden areas.
(2)When the forbidden area is stored stroke check 2 or
stored stroke check 3 all areas are movable areas.
If the maximum rapid traverse rate is F (mm/min), the maximum overrun
amount, L (mm), of the stored stroke limit is obtained from the following
expression:
L (mm) = F/7500
The tool enters the specified inhibited area by up to L (mm). Bit 7 (BFA)
of parameter No. 1300 can be used to stop the tool when it reaches a point
L mm short of the specified area. In the case, the tool will not enter the
inhibited area.
Parameter BFA (bit 7 of No. 1300) selects whether an alarm is displayed
immediately before the tool enters the forbidden area or immediately after
the tool has entered the forbidden area.
Number Message Contents
500 OVER TRAVEL:
+n
Exceeded the n–th axis (1–8) + side stored
stroke limit 1.
501 OVER TRAVEL:
–n
Exceeded the n–th axis (1–8) * side stored
stroke limit 1.
502 OVER TRAVEL:
+n
Exceeded the n–th axis (1–8) + side stored
stroke limit 2.
503 OVER TRAVEL:
–n
Exceeded the n–th axis (1–8) * side stored
stroke limit 2.
504 OVER TRAVEL:
+n
Exceeded the n–th axis (1–8) + side stored
stroke limit 3.
505 OVER TRAVEL:
–n
Exceeded the n–th axis (1–8) * side stored
stroke limit 3.
D Setting the forbidden
area for the two–path
control
D Overrun amount of
stored stroke limit
D Timing for displaying
an alarm
ALram

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