Rockwell Automation 1747-PCIS API Software - Open Controller - Manual (Page 143)

1 Publication 1747-UM002A-US-P - June 2000
Appendix
A
Error Codes
Introduction This appendix describes the error code data.
Error Code Returned by API
Functions Most of the API functions return values (see chapter 6). These are the
values returned by the API functions to indicate success or possible
error conditions (but not all are returned by each function).
The table below lists API Function values:
Name: Return Value: Description:
SUCCESS 0 function returned successfully
ERR_OCACCESS 2 handle does not have access to scanner
ERR_OCEXTERR 11 scanner responded with an extended error message
ERR_OCFAULT 13 request denied because scanner faulted
ERR_OCFILERROR 19 error occurred while reading/writing disk file
ERR_OCINIT 5 scanner has not been initialized
ERR_OCIOCFG 9 I/O configuration is invalid
ERR_OCMEM 3 shared memory cannot be found
ERR_OCNOFORCES 15 no forces installed, cannot enable forces
ERR_OCOPEN 1 scanner already open
ERR_OCOUTOFME
M 17 memory allocate failed
ERR_OCOVERRUN 16 DII, I/O initialization, or error report message overrun
ERR_OCPAR 6 initialization failed due to invalid partition
information
ERR_OCPARAM 8 parameter contains invalid value
ERR_OCPOST 7 scanner POST failure
ERR_OCREINIT 4 scanner has already been initialized
ERR_OCRESPONSE 10 scanner did not respond to request successfully
ERR_OCSCANCFG 14 scanner I/O configuration not downloaded
ERR_OCSLOT 12 slot number is invalid
ERR_OCUNKNOWN 18 unknown module type
ERR_OCNOTSUPP 20 function not supported on this platform