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Changes FOCAS2 library's optional specifications dynamically.

The changeable options are as follows.

Value(optname) Type Default Meaning
LIB_MODE(0) long 0 Changes the advanced mode(0) or the traditional mode(1).
MOVE_RDPRGPTR(1) long 1 Changes if the execution pointer would be moved(1) or not moved(0) after invoking cnc_rdpdf_line function.

(As for the advanced/traditional mode, see "FS16i compatible mode")

MTConnect Fanuc Adapter

Universal Fanuc Driver

Fanuc Focas Library CD


#include "fwlib32.h" or "fwlib64.h"

FWLIBAPI short WINAPI cnc_setlibopt( unsigned short FlibHndl, long optname, const char *optval, long optlen);


FlibHndl   [ in ]

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

optname   [ in ]

Specify the kind of the option to be set.

optval   [ in ]

Specify the pointer to data to be set.

optlen   [ in ]

Specify the bytes size of the data(*optval) to be set.


EW_OK is returned on successful completion, otherwise any value except EW_OK is returned.

The major error codes are as follows.

Return code Meaning/Error handling
Data block length error
Size(optlen) is wrong.
Data attribute error
Kind of the option(optname) is wrong.
Data error
Data of the option(*optval) is out of range.

As for the other return codes or the details, see "Return status of Data window function"

CNC option

For HSSB connection,

    The extended driver/library function is necessary.

For Ethernet connection,

    The Ethernet function and the extended driver/library function are necessary.

    However, in case of Series 0i-F, 30i and PMi-A, the required CNC option is as follows.

    When Embedded Ethernet is used,

      above two optional functions are not required.

    When Ethernet board is used,

      only Ethernet function is required.

Available CNC

0i-A 0i-B/C(Note) 0i-D 0i-F 15 15i 16 18 21 16i-A 18i-A 21i-A 16i-B 18i-B 21i-B 30i-A 30i-B
M (Machining)X X H H X X X X X X X X X X X H H
T (Turning) X X H H X - X X X X X X X X X H H
LC (Loader) - - - - - - X X X X X X X X X - -

P (Punch press)X H X X - X
L (Laser) - - X - - X
W (Wire) - - X X X X

Power Mate i-DX
Power Mate i-HX
Power Motion i-AH

"O" : Both Ethernet and HSSB
"E" : Ethernet
"H" : HSSB
"X" : Cannot be used
"-" : None

Note) 0i-C does not support the HSSB function.

See Also

cnc_getlibopt   cnc_rdpdf_line  

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Fanuc Focas Library | Handle | cnc_allclibhndl

Allocates the library handle which is used by the Data window library.... [read more]

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Reads the current status of FOCAS2 library's optional specifications. The readable... [read more]

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Reads the specified node information of the HSSB.... [read more]

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Reads the number of node of the HSSB.... [read more]

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Modified: 2018-06-11