Rockwell-automation 1747-PCIS API Software - Open Controller Instrukcja Użytkownika Pobierz pdf (Strona 72)

Publication 1747-UM002A-US-P - June 2000

6-12 Library of Routines

Example:

HANDLE Handle;

int retcode;

retcode = OC_EnableEOSNotify( Handle, EOSMSG_ENABLE );

/* Use OC_PollScanner() to check EOS messages */

OC_EnableForces

OC_EnableForces enables/disables forces for all inputs and outputs

with entries in the force files on the scanner.

Syntax:

int OC_EnableForces(HANDLE handle, int mode);

Parameters:

Description:

If no I/O forces are in the force files, OC_EnableForces does not

enable forces and instead returns an error. All forces are disabled by

default.

ATTENTION

Enabling forces will potentially change the output

data values that your application was previously

controlling.

Parameter: Description:

handle Must be a valid handle returned from OC_OpenScanner

mode If

mode is:

FORCE_ENABLE forces are enabled

FORCE_DISABLE forces are disabled

FORCE_CLEAR forces are disabled and all input and output

forces are cleared from the force files.

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Rockwell-automation 1747-PCIS API Software - Open Controller Instrukcja Użytkownika Strona 72