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1 response to a correctly executed read request, Response to a correctly executed read request, 9parameter data transfer – Lenze E94AYCER User Manual

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9

Parameter data transfer

9.2

Reading parameters from the drive

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Lenze · E94AYCER communication module (PROFINET®) · Communication Manual · DMS 9.0 EN · 12/2013 · TD17

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9.2.1

Response to a correctly executed read request

Response header

Parameter format

Note!

• Responses to read requests do not contain parameter attributes and indices/

subindices.

• When a multi-parameter read request is transmitted, the parameter format and the

parameter value are repeated "n" times, "n" being the number of parameters

requested.

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 has been 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

• Number of requested subindices. (If there is more

than one subindex, only the parameter value is

repeated.)

• In the case of string codes, the number of characters

is entered here.