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9 Parameter data transfer

9.3 PROFIdrive parameter data channel (DP-V1)

Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17

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9.3.3.4 Writing parameter data to the controller

Request header

Parameter attribute

Index and subindex

 Note!

When a multi-parameter write request is transferred, the ...

• Parameter attribute

• Index and subindex

and then the ...

• 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 parameter

Axis U8 0x00 or 0x01

Number of indices U8 0x"n" (n = number of parameters addressed)

Byte 5 Byte 6

Attribute Number of subindices

Field Data type Values

Attribute U8 0x10: Value

Number of subindices U8 0x00

(For array elements: Enter the number of array elements

required.)

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)

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 124 125

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Lenze E94AYCPM Manual de usuario Pagina 66