Lenze E84AYCPM - Manual (Page 70)

Lenze · E84AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 5.0 EN · 11/2012 · TD17
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9 Parameter data transfer
9.3 PROFIdrive parameter data channel (DP-V1)
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9.3.3.4 Writing parameter data to the inverter
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)