Siemens SINAMICS S120 Series - Page 57

Communication according to PROFIdrive
3.4 Acyclic communication
Communication
Function Manual, 12/2018, 6SL3097-5BD00-0BP0
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Field
Data type
Values
Remark
Number of elements Unsigned8 0x00
0x01 ... 0x75
Special function
No. 1 ... 117
Limited by DPV1 telegram length
Number of array elements accessed.
Parameter number
Unsigned16
0x0001 ... 0xFFFF
No. 1 ... 65535
Addresses the parameter to be accessed.
Subindex
Unsigned16
0x0000 ... 0xFFFE
Number 0 ... 65534
Addresses the first array element of the parameter to be accessed.
Format Unsigned8 0x02
0x03
0x04
0x05
0x06
0x07
0x08
Other values
Data type integer8
Data type integer16
Data type integer32
Data type unsigned8
Data type unsigned16
Data type unsigned32
Data type floating point
See the actual PROFIdrive profile
0x40
0x41
0x42
0x43
0x44
Zero (without values as a positive
subresponse to a write request)
Byte
Word
Double word
Error
The format and number specify the adjoining space containing values in the telegram.
For write access, it is preferable to specify data types according to the PROFIdrive profile.
Bytes, words and double words are also possible as a substitute.
Number of values Unsigned8 0x00 ... 0xEA No. 0 ... 234
Limited by DPV1 telegram length
Specifies the number of subsequent values.
Error values Unsigned16 0x0000 ... 0x00FF Significance of the error values
→ refer to the following table "Error
values in the DPV1 parameter re-
sponses"
The error values in the event of a negative response.
If the values make up an odd number of bytes, a zero byte is attached. This ensures the
integrity of the word structure of the telegram.
Values
Unsigned16
0x0000 ... 0x00FF
The values of the parameter for read or write access.
If the number of bytes is odd, a zero byte is appended. This ensures the integrity of the
word structure of the telegram.