Dtl_write_w – Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual User Manual

Page 213

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API Library of Routines

Appendix B

DTL_WRITE_W

B-82

Writes data from the control-coprocessor memory to the PLC-5
programmable -controller data table.

C Syntax

#include <copro.h>

unsigned DTL_WRITE_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 written
was defined.

variable

The address of a buffer that contains the data to be written to the PLC-5
programmable controller. Ensure 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

DTL_SUCCESS = operation completed successfully

27

DTL_E_NOATMPT = I/O operation not attempted; see status variable for reason

xxx

¬

PCCC_E_xxx = operation refused by the PLCĆ5 programmable controller

¬

See Table B.A for PCCC errors.

DTL_WRITE_W

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