Communication manual 8400 motec PROFIBUS
Parameter data transfer
PROFIdrive parameter data channel (DP-V1)
54 L EDS84DMOTPBUS EN 3.0 - 11/2011
9.3.3 Telegram structure
[9-4] PROFIBUS data telegram
The data unit (DU) contains the DP-V1 header and the parameter request or the parameter
response.
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:
E82ZAFP015
SD LE LEr SD DA SA FCS EDFC DSAP SSAP
DU
Note!
The DP-V1 header consists of:
• Function identification
•Slot number
•Data set
• Length of the user data
Please refer to the corresponding PROFIBUS specification for further information
on the DP-V1 header.
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
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