Lenze E84AYCER - Manual (Page 50)

E84AYCER communication manual (PROFINET)
Parameter data transfer
The acyclic channel (PROFIdrive profile)
50
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EDS84AYCER EN 2.0 - 11/2010
9.1.3 Structure of the PROFINET data telegram
[9-3] PROFINET data telegram
In the "Read/Write Block", the initiator specifies the access to data set "DB47". The data
which are written to this index or read by it contain a header and the parameter request or
the parameter response. The read data or the data to be written are contained in the "Data"
field.
The following subchapters describe the parameter request and the parameter response in
detail.
Assignment of the user data depending on the data type
Depending on the data type, the user data are assigned as follows:
Dest
Addr
Scr
Addr
VLAN
Day
Type
0800H
RPC NDR Read/Write
Block
Data FSC
6 bytes 6 bytes 4 bytes 4 bytes 80 bytes 64 bytes 64 bytes 0 ... 240 bytes 4 bytes

PROFINET specification
Here you will find detailed information on the PROFINET data telegram.
Data type Length User data assignment
Byte 1 Byte 2 Byte 3 Byte 4 Byte ...
String x bytes
U8 1 Byte 00
U16 2 bytes High byte Low byte
U32 4 bytes High word Low word
High byte Low byte High byte Low byte