Siemens SINAMICS S120 - Page 126

Communication via PROFIBUS
Acyclic communication
4-126
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
Table 4-16 Description of fields, continued
Field CommentsValuesData type
Subindex Unsigned16 0x0000 ... 0xFFFF No. 0 ... 65535
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 FloatingPoint
See PROFIdrive Profile V3.1
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.
Data types in conformity with PROFIdrive Profile V3.1 shall be preferred for write
access. Bytes, words and double words are also possible as a substitute.
No. of values Unsigned8 0x00 ... 0xEA No. 0 ... 234
Limited by DPV1 telegram length
Specifies the number of subsequent values.
Values
or
error values
Unsigned16
0x0000 ... 0x00FF For meaning of error values
–> see Table 4-17
The values of the parameter for read or write access.
The error values in the event of a negative response.
If the values make up an odd number of bytes, a zero byte is appended. This
ensures the integrity of the word structure of the telegram.