Rockwell-automation 1747-PCIS API Software - Open Controller Manual do Utilizador descarregar pdf (Página 83)

Publication 1747-UM002A-US-P - June 2000

Library of Routines 6-23

Description:

When the scanner faults, an extended error is generated. The error

code and slot number of the most recent fault is retained and returned

by this function. The fault cause is a duplicate of the most recent

extended error.

The OC_ClearFault function clears the fault in the scanner but does

not clear the cause of the last fault.

See Appendix A for error codes.

Return Value:

Considerations:

Supported in the DOS API library and the Windows NT API library

Example:

HANDLE Handle;

BYTE status, FaultCause;

int FaultSlot;

int retcode;

OC_GetScannerStatus ( Handle, &status );

if ( status = SCANSTS_FAULT )

{

retcode = OC_GetLastFaultCause ( Handle,

&FaultCause, &FaultSlot );

}

Name: Value: Description:

SUCCESS 0 fault was cleared successfully

ERR_OCACCESS 2

handle does not have access to scanner

ERR_OCINIT 5 scanner has not been initialized, see OC_InitScanner

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Rockwell-automation 1747-PCIS API Software - Open Controller Manual do Utilizador Página 83