Rockwell-automation 1747-PCINT API Software for 1746 I/O Uživatelský manuál stáhnout pdf (Strana 130)

6–76 Library of Routines OC_SetupPowerFail Action

Publication 1747-6.5.3 June 1998

Return Value:

Considerations:

Supported in the DOS API library only.

Example:

This example is for DOS only.

HANDLE Handle;

BYTE buffer1[100];

BYTE buffer2[100];

int retcode;

void PowerFailSave( void ) /* power fail callback routine */

{

len = 100;

OC_WriteRtcSRAM( buffer2, 0, &len ); /* Put data in protected area */

}

retcode = OC_SetupPowerFailAction( Handle, buffer1, 0, 100, PowerFailSave );

Name: Value: Description:

SUCCESS

power fail action was registered successfully

ERR_OCACCESS

handle does not have access to scanner

ERR_OCINIT

scanner has not been initialized, see OC_InitScanner

ERR_OCPARAM

parameter contains invalid value

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Uživatelský manuál Strana 130