Rockwell-automation 1747-PCIS API Software - Open Controller Instrukcja Użytkownika Pobierz pdf (Strona 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

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 173 174

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Rockwell-automation 1747-PCIS API Software - Open Controller Instrukcja Użytkownika Strona 82