2 response after a faultless read request, Communication manual 8400 protec profibus – Lenze E84Dxxxx User Manual

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EDS84DPBUS EN 2.0 - 09/2010

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Communication manual 8400 protec PROFIBUS

Parameter data transfer

DP-V1 parameter data channel (PROFIdrive profile)

8.3.3.2

Response after a faultless read request

Response head

Parameter format

Note!

Responses to a read request do not contain parameter attributes, indexes and

subindexes.

Byte 1

Byte 2

Byte 3

Byte 4

Request reference

(mirrored)

Response identification

Axis

(mirrored)

Number of indices

Field

Data type

Values

Request reference

U8

Mirrored value of the parameter request

Response identification

U8

0x01: Parameter read

Axis

U8

0x00 or 0x01

Number of indices

U8

0x"n" (n = number of parameters requested)

Byte 5

Byte 6

Format

Number of values

Field

Data type

Values

Format

U8

0x02: Integer8

0x03: Integer16

0x04: Integer32

0x05: Unsigned8

0x06: Unsigned16

0x07: Unsigned32

0x09: Visible string

0x0A: Octet string

0x40: Zero

0x41: Byte

0x42: Word

0x43: Double word

Number of values

U8

0x01 or number of requested subindexes/parameters

(with several subindexes/parameters only the

parameter value is repeated).

For string codes, the number of characters is entered

here.

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