Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual de usuario descargar pdf (Pagina 216)

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Appendix B



B-85

Writes to any elements of a file, one element at a time, from the

control-coprocessor memory to the PLC-5 programmable controller using

only one data definition.

Important: To use this function call, you must have the versions of the

ABLIB.L and CORPRO.H files that accompany Series A Revision D

(1.20) or later of the Program Development Software. Contact Allen-

Bradley Global Technical Support Services at (216) 646-6800 if you need

these updates.

C Syntax

#include <copro.h>

unsigned DTL_WRITE_W_IDX (name_id, variable, iostat, index)

unsigned name_id;

void *variable;

unsigned *iostat;

unsigned index;

Parameters

name_id

DTL_C_DEFINE returns this handle when the data file to be written

is defined.

variable

The address of a buffer that contains the data to be written to the PLC-5

programmable controller. Ensure that the declared variable is the right

type to match the data size that was specified in DTL_C_DEFINE.

iostat

Returns a final completion status. Possible completion status values are:

Value Meaning

   () *,$(' (&)% ,  +- ++!-%%/

    () *,$(' '(, ,, &),  + +,,-+ .*$% !(* * +('





  () *,$(' * !-+  / ,# 0 )*("*&&% (',*(%% *



 %  !(*  **(*+

index

This parameter specifies the element or structure level of the data-file

item to be written.

DTL_WRITE_W_IDX

1 2 ... 211 212 213 214 215 216 217 218 219 220 221 ... 311 312

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Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual de usuario Pagina 216