CNC_SDTSETCHNL2 | MOTOR

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

Specify the number of channels.

Specify the number of total points of the data which wants to be sampled. (Specify the value of eight or more.)
Acquire data sequentially from the function which read sampling data(cnc_sdtreadsmpl2).
When -1 is specified, the limitation of a total number is lost.

Pointer to the IDBSFBCHAN2 structure including the channel data.

Prepare the number of the channel data which you want to set as an array, and specify the top pointer of the array for this argument(channel).

The structure of IDBSFBCHAN2 is as follows.

typedef struct idbsdtchan {
    short           type;       /* data type */
    char            chno;       /* channel number */
    char            axis;       /* axis number */
    unsigned short  shift;      /* upper byte :sampling period, 
                                                 lower byte :right shift value */
    typedef struct pmc_data{    /* PMC signal */
        short unittype;         /* PMC path (unit type)  */
        char adr;               /* kind of PMC address */
        unsigned char bit;      /* bit number */
        unsigned short no;      /* PMC address number */
    } io[16]; 
} IDBSDTCHAN2;

type

Specify the sampling data type.

? When the sampling axis number is PMC signal(-125,-126,-127), type is invalid.

In case of CNC information, specify as follows.

1	:	Program number(O number)
2	:	Sequence number(N number)

chno

Specify the channel number(1-8).

axis

Specify the sampling axis number.

In case of PMC signal, specify as follows.

-125	:	PMC signal(word type) (enable in 30i-B or later)
-126	:	PMC signal(byte type) (enable in 30i-B or later)
-127	:	PMC signal(bit type)

In case of CNC information, specify as follows.

101-115

:

CNC information(PATH1~PATH15)

shift

Specify sampling period at upper byte and right shift value at lower byte.

? When the sampling axis number is PMC signal(-125,-126,-127) and CNC information, right shift value is invalid.

The member of the io structure is as follows.

unittype

PMC path (unit type)

0	:	not sampled (at this bit position)
1	:	1st PMC(include PMC-L)
2	:	2nd PMC(optional)
3	:	3rd PMC(optional)
4	:	4th PMC(optional)
5	:	5th PMC(optional)
9	:	Dual-check safety PMC(optional)

adr

kind of PMC address

0	:	G(Signal to PMC->CNC)
1	:	F(Signal to CNC->PMC)
2	:	Y(Signal to PMC->machine)
3	:	X(Signal to machine->PMC)
4	:	A(Message display)
5	:	R(Internal relay)
6	:	T(Timer)
7	:	K(Keep relay)
8	:	C(Counter)
9	:	D(Data table)
10	:	M(Input signal from other PMC path)
11	:	N(Output signal to other PMC path)
12	:	E(Extra relay)
13	:	Z(Internal relay)

? Z address can be used when PMC mamory type is C or D.

bit

bit number of PMC address

no

PMC address number

? Input PMC signal data in turn to an array of the io structure of PMC signal. When unittype is set to 0, subsequently PMC signal is invalid.

? When PMC signal is word type or byte type, set bit to 0.

? When PMC signal is word type or byte type, set each member of the io[1]~io[15] structure to 0.

? When the sampling axis number is NOT PMC signal(-125,-126,-127), the io structure of PMC signal is invalid.

? Sampling interval of CNC information is 4msec. So, the same values (4 datas: 1masec, 16 datas: 0.25msec) are output according to the sampling interval.