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2 reading parameters from the drive, Reading parameters from the drive, 9parameter data transfer – Lenze E94AYCER User Manual

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

59

9

Parameter data transfer

9.2

Reading parameters from the drive

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9.2

Reading parameters from the drive

Request header

Parameter attribute

Index and subindex

Note!

• When a read request is processed, no parameter value is written to the IO device.
• In the case of a multi-parameter read request, parameter attribute, index, and

subindex are repeated "n" times, "n" being the number of parameters requested.

Byte 1

Byte 2

Byte 3

Byte 4

Request reference

Request identification

Axis

Number of indices

Field

Data type

Values

Request reference

U8

This value is specified by the IO controller.

Request identification

U8

0x01: Request parameters for reading

Axis

U8

0x00 or 0x01

Number of indices

U8

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

Byte 5

Byte 6

Attribute

Number of subindices

Field

Data type

Values

Attribute

U8

0x10: Value

Number of subindices

U8

0x00 or 0x01

Byte 7

Byte 8

Byte 9

Byte 10

Index

Subindex

High byte

Low byte

High byte

Low byte

Field

Data type

Values

Index

U16

0x0001 ... 0xFFFF (1 ... 65535)

Subindex

U16

0x0001 ... 0xFFFF (1 ... 65535)