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3 telegram example: read request, Telegram example: read request, E84aycer communication manual (profinet) – Lenze E84AYCER User Manual

Page 54

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E84AYCER communication manual (PROFINET)

Parameter data transfer

Reading parameters from the controller

54

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EDS84AYCER EN 2.0 - 11/2010

Error code

9.2.3

Telegram example: Read request

The heatsink temperature of the controller is to be read.

 Code to be read: C00061
 Heatsink temperature: 43 °C

Parameter request

Byte 7

Byte 8

Byte 9

Byte 10

Error code

Additional information (if available)

High byte

Low byte

High byte

Low byte

Field

Data type

Values

Error code

U16

0x0000 .... 0xFFFF

Error information (error) ( 62)

Additional information

(if available)

U16

Byte 1

Byte 2

Byte 3

Byte 4

Request reference

Job identification

Axis

Number of indices

0xXX

0x01

0x00

0x01

Request parameter for reading

Byte 5

Byte 6

Attribute

Number of subindices

0x10

0x00

Value

No subindex

Byte 7

Byte 8

Byte 9

Byte 10

Index

Subindex

High byte

Low byte

High byte

Low byte

0x5F

0xC2

0x00

0x00

Index = 24575 - code no. = 24575 - 61 = 24514 = 0x5F C2

No subindex