Lenze i700 - Manual (Page 310)

11 Appendix
11.2 Structure of the parameter set file
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Lenze · i700 servo inverter · Reference manual · DMS 1.5 EN · 03/2014 · TD05
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11.2 Structure of the parameter set file
The parameter set file is designed as an extendable file. This means that it is possible to add header
components later on without interrupting previous algorithms. Therefore the file is divided into
three sections:
1. File header
• The file header contains important information on the file as a whole, including its size, the
checksum, the file header type, the number of data headers, and their position from the start
of the file.
2. Data header
• The data header contains information on a specific part of the data within the data area.
These are for instance the data type and data interpretation and thus the type of data header,
the data offset in the file, and the size of the data packet.
3. Data
• The data is a densely packed arrangement of data, the sense of which only becomes clear
when the type of data header specified is known.
11.2.1 File header
Byte offset
0 4 8 12 16 20 24 28 32
Type Version Size Manufactu
rer
Product Version Data
start
Data
size
CRC
Byte
offset
Meaning Info
0 File type File identification
Currently only the following values are defined:
• 2: Storage parameter set (the file exclusively contains
parameters provided for persistence).
• 3: Complete parameter set (the file contains all
parameters).
4 File version Version number of the file
8 File size Total size of the file in [bytes]
12 Manufacturer's identification mark
according to object directory
Identification of the device which this parameter set file
belongs to. If the values do not comply with those of the
object directory during the import, an attempt to
execute the import is nevertheless carried out.
Parameters which could not be imported can be
identified later by means of the parameter set error
report.
16 Product ID according to object directory
20 Version identifier of the object directory
24 Start of the data description area Offset of the data description area in [bytes]
(offset from the start of the file).
28 Size of the data description area Size of the data description area in [bytes]
32 CRC32 (as defined in IEEE 802.3) Cyclic Redundancy Check (CRC32) across the entire file; 0
must be entered in the checksum field at the time of
calculation.
 Cyclic redundancy check (CRC) - parameter set
comparison on the basis of the checksum ( 21)