CNC_RDSAFETYZONE | PUNCH

Specify the library handle.
See "Library handle" for details.

Specify the start safety zone data number. (1,..,4)

Pointer to the number of safety zone data.
Specify the number of safety zone data to be read before function call, and the number of safety zone data being read actually is stored after the function call.

Pointer to the IODBSAFE structure including the safety zone data.
The IODBSAFE structure is as follows.

typedef struct iodbsafe {
    short   slct;       /* Flag of valid data */
    long    data[3];    /* Safety zone data */
} IODBSAFE ;

slct

Flag of valid data is set.

	type A	type B
bit 0	Item X2	Item W
bit 1	Item X1	Item X
bit 2	Item Y	Item Y

bit 3,..,15

:

(not used)

* When a bit is 0, it means the corresponding data has no meaning.

data

Safety zone data is set.

	type A	type B
data[0]	Item X2	Item W
data[1]	Item X1	Item X
data[2]	Item Y	Item Y