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CNC_WRCEXESRAM | MISC

Description

Writes the SRAM variable area for C language executor specified by "offset", "length".

When this function accesses this area, exclusive control with the C language executor side is not done. Therefore, it is necessary to take mediation between the application of FOCAS1/2 and the application of C language executor.

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Declaration

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

FWLIBAPI short WINAPI cnc_wrcexesram(unsigned short FlibHndl, long offset, void *data, long *length);

Arguments

FlibHndl   [ in ]

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

offset   [ in ]

Specify the start address of SRAM variable area. The top of the area is indicated by '0'.

data   [ in ]

Pointer to the data storage area.

length   [ in/out ]
Pointer to the data length to be write.
Actual data length being write is stored after this function call.
Maximum data length which can be write at a time is the size acquired in the cnc_cexesramsize function.

Return

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
EW_FUNC
(1)
Unavailable
The user application is not built into CNC.
The C language executor library does not support this function.
EW_LENGTH
(2)
The specification of length is wrong.
The value of 0 or less was specified.
EW_NUMBER
(3)
The specification of offset is wrong.
A negative value was specified.
The value which exceeded the maximum value was specified.
EW_NOOPT
(6)
No option
The C language executor function and the extended driver/library function are necessary.

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

CNC option

This function need the following CNC option.

    The C language executor function.

And this function is related to the following CNC option.

    C language executor SRAM addition.

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 16i/18i/21i-B, 0i-D/F, Series 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.

CNC parameter

This function is related to the following CNC parameter.
See the manual of CNC parameter for details.

  • Series 16/18/21, 16i/18i/21i, 30i, 0i-D/F, PMi-A
  • 8661(Size of SRAM variable area) --- influenced by setting

    CNC mode

    This function can be used in any CNC mode.

    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 O O X X X X X O O O O O O O O
    T (Turning) X X O O X - X X X O O O O O O O O
    LC (Loader) - - - - - - X X X X X X X X X - -

    0i-D0i-F16i18i30i-A30i-B
    P (Punch press)O O O O - O
    L (Laser) - - O - - O
    W (Wire) - - X X O O


    Power Mate i-DO
    Power Mate i-HO
    Power Motion i-AO

    "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_rdcexesram   cnc_cexesramsize  

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    https://www.inventcom.net/fanuc-focas-library/misc/cnc_wrcexesram

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    Modified: 2023-12-05