ST_MDP_SiliconDrive

TYPE ST_MDP_SiliconDrive :
STRUCT
    iLen                  : UINT;     (* Length *)
    iTotalEraseCounts     : UDINT;    (* Total EraseCounts (lower 4 bytes) *)
    iDriveUsage           : UINT;     (* Drive Usage (%) *)
    iNbrSpares            : UINT;     (* Number of Spares *)
    iNbrUsedSpares        : UINT;     (* Spares Used *)
    iTotalEraseCountsHigh : UDINT;    (* Total EraseCounts (higher 4 bytes) *)
END_STRUCT
END_TYPE

The structure contains information on the MDP SiliconDrive module.

This complete information can be queried by means of the function block FB_MDP_SiliconDrive_Read.

iLen: iLen indicates the number the MDP elements in the table in the MDP module.

iTotalEraseCounts: This value indicates the total number of write and delete cycles of all memory blocks of a Silicon Drive. This number is a 64-bit value. iTotalEraseCounts contains the lower 32 bits.

iTotalEraseCountsHigh: This value indicates the total number of write and delete cycles of all memory blocks of a Silicon Drive. This number is a 64-bit value. iTotalEraseCountsHigh contains the higher 32 bits.

iDriveUsage: This parameter indicates the calculated wear of the Silicon Drive. The value is based on two million write cycles per block as maximum value.

iNbrSpares: Reserved blocks are used to replace worn memory blocks. iNbrSpares indicates the number of spare blocks available on the Silicon Drive.

iNbrUsedSpares: The value indicates the number of spare blocks already in use.

The parameters existing in this structure correspond to the subindices of the first table (Table ID 1) within the IPC diagnostics SiliconDrive module.

Obsolete functionality The SiliconDrive hardware was replaced by newer memory card types. The functionality is therefore obsolete. We recommend using the query of the IPC diagnostic modulePhysical Drive SMART Parameters instead.