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Parameter data transfer

PROFIdrive parameter data channel

PROFIdrive DP−V1

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

Request reference

(mirrored)

Response identification

Axis

(mirrored)

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

Format

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.

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Lenze EMF2133IB Bedienungsanleitung Seite 101