Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual do Utilizador descarregar pdf (Página 196)

)"/!/5-&-21),%0

Appendix B

  

B-65

Reads data from the PLC-5 programmable-controller data table to the

control-coprocessor memory.

C Syntax

#include <copro.h>

unsigned DTL_READ_W (name_id, variable, iostat)

unsigned name_id;

void *variable;

unsigned *iostat;

Parameters

name_id

DTL_C_DEFINE returns this handle when the data item to be read

is defined.

variable

Address of a buffer that stores the data read from the data item. Ensure

the declared variable is the right type to match the data size that was

specified in DTL_C_DEFINE.

iostat

This parameter returns a final completion status. Possible completion

status values are:

Value Meaning



   -.%/!1)-, #-+.*%1%$ 02##%00&2**5

      -.%/!1)-, ,-1 !11%+.1%$ 0%% 01!120 3!/)!"*% &-/ /%!0-,

     $!1!7#-,3%/0)-, %//-/





    -.%/!1)-, /%&20%$ "5 1(% 7 ./-'/!++!"*% #-,1/-**%/



%% !"*%  &-/  %//-/0

Returns

Status Symbolic Name Meaning



  .%/!1)-, 02##%00&2*

     1!"*% ,-1 ),)1)!*)6%$

    %&),)1)-,  -21 -& /!,'%

     #-+.*%1%$ 4)1( %//-/0

    - 02#( $!1! )1%+ $%&),%$

     )0 ,-1 #-,,%#1%$ -/ -&&*),%

DTL_READ_W

1 2 ... 191 192 193 194 195 196 197 198 199 200 201 ... 311 312

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