4 writing parameter data to the controller, Communication manual 8400 protec profibus – Lenze E84Dxxxx User Manual

Page 52

Advertising
background image

EDS84DPBUS EN 2.0 - 09/2010

L

52

Communication manual 8400 protec PROFIBUS

Parameter data transfer

DP-V1 parameter data channel (PROFIdrive profile)

Error code

8.3.3.4

Writing parameter data to the controller

Request head

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 codes ( 56)

Additional information

(if available)

U16

Note!

In case of a write request transfer of multi-parameters ...
• Parameter attribute
• Index and subindex
and then ...
• Parameter format
• Parameter value
... are repeated with the number "n" of the parameters addressed.
A write request must not exceed the maximum data length of 240 bytes.

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 defined by the master.

Request identification

U8

0x02: Write parameters

Axis

U8

0x00 or 0x01

Number of indices

U8

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

Advertising