Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manuel d'utilisateur télécharger pdf (Page 172)

)"/!/6-&-21),%0

Appendix B

  

B-41

CC Data Type: Is: CC Data Type: Is:

 ,- #-,3%/0)-,  ),1 0)',%$

 #(!/ 0)',%$  2,0)',%$ ),1

 2,0)',%$ #(!/  &*-!1





0(-/1 0)',%$  $-2"*%

 2,0)',%$ 0(-/1



%&!2*1 )0 

[access type]

Optional; legal access rights are:

* READ = read only

* MODIFY = read or write

Default is modify.

Returns

Status Symbolic Name Meaning



  .%/!1)-, 02##%00&2*

    ,3!*)$ ,2+"%/ -& %*%+%,10 1- 

    ,3!*)$ $!1! 16.%

    ,3!*)$ !##%00 /)'(10

    ,3!*)$ ,2+"%/ -&  .!/!+%1%/0

    !1!  1!"*% )0 &2**

    !1! )0 ),3!*)$ 16.% &-/ -.%/!1)-,

     1!"*% ,-1 ),)1)!*)7%$

    !1! )1%+ '/%!1%/ 1(!, +!5)+2+ !**-4%$

    !$  !$$/%00

     ),.21 01/),' 1-- *-,'

Description

Use the DTL_C_DEFINE function to add a data definition to the table of

data definitions for the calling task. The DTL_C_DEFINE routine returns

a handle with which the calling task can refer to the data item in

subsequent DTL calls. You must use the DTL_C_DEFINE function to

create an entry for each contiguous range of data-table locations you need.

C Example

unsigned fred; /*handle used in later DTL_READ_W or

DTL_WRITE_W calls*/

unsigned status;

status = DTL_C_DEFINE (&fred,“N10:2,10,WORD,READ”);

1 2 ... 167 168 169 170 171 172 173 174 175 176 177 ... 311 312

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