Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 65)

PROFIsafe on board
Parameter data transfer
PROFIdrive parameter data channel (DP-V1, acyclic)
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65 EDSLCMX3024-SPS EN 5.0
6.4.2.3 Structure of the PROFIBUS data telegram with DP-V1
SD LE LEr SD DA SA FCS ED FC DSAP SSAP DU
E82ZAFP015
Fig.6-6 PROFIBUS data telegram
The data unit (DU) contains the DP-V1 header and the parameter request or the parameter
response.
A description of the parameter request and response follows.
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Note!
The DP-V1 header consists of
ƒ function identifier
ƒ slot number
ƒ data set
ƒ length of the user data
Please refer to the corresponding PROFIBUS specification for further
information on the DP-V1 header.
Assignment of the user data in dependence on the data type
Depending on the data type, the user data are assigned as follows:
Data type Length
Assignment of the user data
Byte 1 Byte 2 Byte 3 Byte 4 Byte ...
String x bytes
U8 1 byte 00
High byte Low byte
U16 2 bytes
High word Low word
High byte Low byte High byte Low byte
U32 4 Byte