Rockwell Automation 1747-PCIS API Software - Open Controller - Manual (Page 82)

Publication 1747-UM002A-US-P - June 2000
6-22 Library of Routines
BYTE Rack3Size;/* number of slots in Rack 3 */
OCSLOTCFG SlotCfg[OCMAXSLOT];/* configuration for each
slot */
} OCIOCFG;
Return Value:
Considerations:
Supported in the DOS API library and the Windows NT API library
Example:
HANDLE Handle;
OCIOCFG iocfg;
int retcode;
retcode = OC_GetIOConfiguration( Handle, &iocfg );
/* Use OC_DownloadIOConfiguration() to download the
information */
OC_GetLastFaultCause OC_GetLastFaultCause retrieves the cause of the last fault.
Syntax:
int OC_GetLastFaultCause(HANDLE handle, BYTE
*FaultCode, int *SlotNum);
Parameters:
Name: Value: Description:
SUCCESS 0 I/O configuration was read successfully
ERR_OCACCESS 2
handle
does not have access to scanner
ERR_OCINIT 5 scanner has not been initialized, see OC_InitScanner
ERR_OCRESPONSE 10 scanner did not respond to request
Parameter: Description:
handle Must be a valid handle returned from OC_OpenScanner
FaultCode Points to the address that contains the fault cause
If the value returned in
FaultCode
is 0, the scanner has not
received any faults since it has been reset.
SlotNum Slot number that caused the fault