Rockwell-automation 1747-PCIS API Software - Open Controller Manual do Utilizador descarregar pdf (Página 41)

Publication 1747-UM002A-US-P - June 2000

Developing Applications 3-9

** Download the configuration to the scanner

retcode = OC_DownloadIOConfiguration( Handle, &OCcfg );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_DownloadIOConfiguration failed: %d\n”,

retcode );

Ioexit( 1 );

}

** Set output update mode to always

retcode = OC_SetOutputUpdateMode( Handle, OUTUPD_ALWAYS );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_SetOutputUpdateMode failed: %d\n”,

retcode );

Ioexit( 1 );

}

** Set scan time to 5ms, periodic scan mode

retcode = OC_SetScanTime( Handle, SCAN_PERIODIC, 20 );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_SetScanTime failed: %d\n”, retcode );

Ioexit( 1 );

}

** Goto Scan Mode

retcode = OC_SetScanMode( Handle, SCAN_RUN );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_SetScanMode failed: %d\n”, retcode );

Ioexit( 1 );

}

** Turn on User LED 1

retcode = OC_SetUserLEDState( Handle, 1, LED_GREEN_SOLID );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_SetUserLEDState failed: %d\n”, retcode );

Ioexit( 1 );

}

printf( ”\n\n LED1 is on solid green now. \n” );

delay( 3000 );

Configure

the

scanner.

Control scanner

operation

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