beautypg.com

Parameter data transfer – Lenze EMF2133IB User Manual

Page 101

background image

Parameter data transfer

PROFIdrive parameter data channel

PROFIdrive DP−V1

8

l

101

EDSMF2133IB EN 5.0

8.3.1.5

Response to a correctly executed read request

)

Note!

ƒ

When a read request is processed, no parameter value is written to the
slave.

ƒ

A response to a read request does not contain the parameter attribute,
index and subindex.

ƒ

When a multi−parameter read request is transferred, the parameter format
and parameter value are repeated according to the number "n" of
parameters requested.

ƒ

A read request must not exceed the maximum data length of 240 bytes.

Response header

Byte 1

Byte 2

Byte 3

Byte 4

U8

Request reference

(mirrored)

U8

Response identification

U8

Axis

(mirrored)

U8

Number of indexes

Request reference: Mirrored value of parameter request

Response identification: 0x01 (parameter has been read)

Axis: 0x00 or 0x01

Number of indexes: 0x"n" (number of parameters requested)

Parameter format

Byte 5

Byte 6

U8

Format

U8

Number of values

Format: 0x01 ... 0x36, data types

0x41, byte
0x42, word
0x43, double word

Number of values: 0x01 or

number of subindexes requested

l

If there is more than one subindex, only the parameter value is
repeated.