CNC_RDALMHISTRY | HISTORY

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

Specify the start record number.(more than 1)

Specify the end record number.(more than 1)

Specify the data block length(size of ODBAHIS structure).

Pointer to the ODBAHIS structure in which the alarm history data is stored. The ODBAHIS structure is as follows.

typedef struct odbahis {
    unsigned short s_no;       /* Start record number      */
    short          type;       /* Not used                 */
    unsigned short e_no;       /* Most recently entered    */
                               /* record number            */
    struct {
        short      dummy;       /* Not used            */
        short      alm_grp;     /* Alarm type          */
        short      alm_no;      /* Alarm number        */
        char       axis_no;     /* Axis number         */
        char       year;        /* Year                */
        char       month;       /* Month               */
        char       day;         /* Day                 */
        char       hour;        /* Hour                */
        char       minute;      /* Minute              */
        char       second;      /* Second              */
        char       dummy2;      /* Not used            */
        short      len_msg;     /* Length of alarm     */
                                /* message             */
        char       alm_msg[32]; /* Alarm message       */
    } alm_his[N];   /* N : Number of record */
} ODBAHIS ;

alm_grp

Alarm type (only Series 15)

bit 0	:	Background P/S	(BG)
bit 1	:	Foreground P/S	(PS)
bit 2	:	Over heat alarm	(OH)
bit 3	:	Sub-CPU error	(SB)
bit 4	:	Synchronized error	(SN)
bit 5	:	Parameter switch on	(SW)
bit 6	:	Over travel, external data	(OT)
bit 7	:	PMC error	(PC)
bit 8	:	External alarm message	(EX)
bit 9	:	(Not used)
bit 10	:	Serious P/S	(SR)
bit 11	:	(Not used)
bit 12	:	Servo alarm	(SV)
bit 13	:	I/O error	(IO)
bit 14	:	Power off parameter set	(PW)
bit 15	:	(Not used)

alm_no

Alarm number
Macro alarm : bit15=1(only Series 15)

axis_no

Axis number(from 1 to maximum controlled axis)
It is unused for an unrelated alarm to the axis.

year

Year (0,..,99)

month

Month (1,..,12)

day

Day (1,..,31)

hour

Hour (0,..,23)

minute

Minute (0,..,59)

second

Second (0,..,59)

len_msg

Length of alarm message (0,..,32)

alm_msg

Alarm message