You're reading the documentation for an older, but still supported version (GL013300).
For information on the latest version, please have a look at GL013301.

CONFIG_SAFETY_PARAM_ENABLE

This structure defines the enable flag and reference checksum information used for validating or updating safety parameter configurations in the controller.

BYTE#	Field Name	Data Type	Value	Remarks
0	_wPreviousCmdid	unsigned short		Previous command ID related to the last safety parameter change.
2	_iRefCrc32	unsigned int		CRC32 reference checksum used for integrity validation.

Total size: 6 bytes

Defined in: DRFS.h

typedef struct _CONFIG_SAFETY_PARAM_ENABLE
{
    unsigned short _wPreviousCmdid;  /* Previous command ID */
    unsigned int   _iRefCrc32;       /* CRC32 reference checksum */
} CONFIG_SAFETY_PARAM_ENABLE, *LPCONFIG_SAFETY_PARAM_ENABLE;