Lenze Global Drive PLC Developer Studio - Manual (Page 85)

Drive PLC
Appendix
8.3 Memories
8−5
L
DrivePLC DE 6.0
For the download being executed by the DDS, the following two conditions must be met:
1. The PLC program must have been stopped.
2. The header of the file attached to the project must have the following structure:
Name Data type Data length in bytes Contents
wSizeHeader WORD 2 Header length in bytes
wDataType WORD 2 Data specification identifier
·
This information can be found under C2131 after data has been downloaded.
0 ... 10000 Lenze−spezific data
> 10000 User data
dwVersion DWORD 4 Data version
·
This information can be found under C2132 after data has been downloaded.
dwRealSize DWORD 4 User data length in bytes (without header)
dwTimeStamp DWORD 4 Time stamp of the last data change
·
This information can be found under C2133 after data has been downloaded.
wLicenseInfo WORD 2 Reserved for future extensions
wSizeSymbolicName WORD 2 Length of the symbolic file name
achSymbolicName ACH wSizeSymbolicName Character array including the symbolic file name
·
This information can be found under C2130 after data has been downloaded.
wCopyToRam WORD 2 Selection whether data will be automatically copied into the application RAM of
the PLC after downloading.
·
Maximum data length = 128 kbytes (RAM block 1 and 2)
0 Data is not copied into the application FLASH.
1 Data is copied into the application FLASH.
2 ... 65535 Reserved
dwReserved DWORD 4 Reserved for future extensions
awSizeAddInfo DWORD 190
Interpretation of the header information: least significant byte first:
E4 00 0A 00 01 00 00 00 1C FF 00 00
wSizeHeader = 00 E4 = 228 Byte hex
wDataType = 00 0A = 10 (Cam data) hex
dwVersion = 00 00 00 01
hex
dwRealSize = 00 00 FF 1C = 65308 Byte hex