Lenze E84DxxxxxxxxxR Manual de usuario descargar pdf (Pagina 47)

EDS84DPNET EN 4.0 - 11/2010 L 47

Communication manual 8400 protec PROFINET

Parameter data transfer

Writing parameters to the controller

8.3.1 Response after a correct write request

Response header

8.3.2 Response after a write error

Byte 1 Byte 2 Byte 3 Byte 4

Request reference

(mirrored)

Response identifier Axis

(mirrored)

Number of indices

Field Data type Values

Request reference U8 Mirrored value of parameter request

Response identifier U8 0x01: Parameter written

Axis U8 0x00 or 0x01

Number of indices U8 0x"n" (n = number of parameters requested)

 Note!

For a multi-parameter request, correct and faulty messages, if any, are combined

in one telegram. The individual messages have the following data contents:

• Correct message

– Format: 0x40

– Number of values: 0x00

• Faulty message

– Format: 0x44

– Number of values: 0x01 or 0x02

– Error code without additional information (number of values = 0x01) or

– Error code with additional information (number of values = 0x02)

Faulty access to a parameter "n" will be reported in the response message of a

multi-parameter request at position n.

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