Rockwell Automation 1747-PCINT API Software for 1746 I/O - Manual (Page 57)

OC_ClearFault Library of Routines 6–3
Publication 1747-6.5.3 June 1998
OC_ClearFault OC_ClearFault clears any fault condition of the scanner.
Syntax:
int OC_ClearFault(HANDLE handle);
Parameters:
Description:
All extended error information must be retrieved before the fault can be cleared.
If the scanner encounters an error condition, it generates an extended error and faults. The fault forces the
scanner into Idle mode. The scanner cannot be placed into Scan mode until the fault is cleared.
Return Value:
Considerations:
Supported in the DOS API library and the Windows NT API library
Example:
HANDLE Handle;
int retcode;
retcode = OC_ClearFault( Handle );
Parameter: Description:
handle Must be a valid handle returned from OC_OpenScanner
Name: Value: Description:
SUCCESS 0 fault was cleared successfully
ERR_OCACCESS 2
handle does not have access to the scanner
ERR_OCEXTERR
11
scanner extended error message, see OC_GetExtendedError
ERR_OCINIT 5 scanner has not been initialized, see OC_InitScanner
ERR_OCRESPONSE
10
scanner did not respond to request