Lenze E84DxxxxxxxxxR Manual de usuario descargar pdf (Pagina 39)

EDS84DPNET EN 4.0 - 11/2010 L 39

Communication manual 8400 protec PROFINET

Parameter data transfer

The acyclic channel (PROFIdrive profile)

8.1.3 Structure of the PROFINET data telegram

[8-3] 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 data read 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 in dependence 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

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 83 84

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