Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Instrukcja Użytkownika Pobierz pdf (Strona 198)

' --2+$+0/'*#.

Appendix B



B-67

Reads any elements of a file, one element at a time, from the PLC-5

programmable controller to the control-coprocessor memory 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_READ_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 read

is defined.

variable

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

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

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    +,#-/'+* *+/ //#),/#" .## .//0. 1-' (# $+- -#.+*

   "/3!+*1#-.'+* #--+-





  +,#-/'+* -#$0.#" 2 /&# 3 ,-+%-)) (# !+*/-+((#-



##  (#  $+-  #--+-.

index

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

item to be read.

DTL_READ_W_IDX

1 2 ... 193 194 195 196 197 198 199 200 201 202 203 ... 311 312

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