Lenze · Inverter Drive 8400 motec (PROFINET® option) · DMS 5.0 EN · 02/2019 · TD23
47
9
Parameter data transfer
9.1
The acyclic channel (PROFIdrive profile)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
9.1.3
Structure of the PROFINET data frame
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 used, 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