ABB FSPS-21 User Manual page 94

94 PROFINET IO – Communication protocol
Field(s)
Drive Object ID
No. of Parameters
Attribute
No. of Elements
Parameter Index
Subindex
1)
Format
1)
Number of Values
1)
Values
1)
Only if Request ID is 02h (Change Parameter). The Format, Number of Values and Values fields are repeated for other
parameters.
The table below shows the contents of the PROFIdrive response.
Field(s)
Request Reference
(mirrored)
Response ID
Drive Object ID
No. of Parameters
1)
Format
1)
Number of Values
Description
To be set to 0 or 1.
Number of the parameters that are
present in the request
Type of the object being accessed.
Note: "Description" and "Text" are not
supported.
Number of the array elements ac-
cessed or length of the string ac-
cessed. Set to 0 if non-array paramet-
ers are used.
Address of the parameter that is being
accessed. "0" is allowed by FSPS-21.
Addresses
• the first array element of the para-
meter or
• the beginning of a string access or
• the text array or
• the description element that is being
accessed
See the table on page 95.
Number of the values following
The values of the request. In case of
an odd number of bytes, a zero byte
is appended to ensure the word
structure of the telegram.
Description
Mirrored from the request.
Response from the slave. In case any requested
services fail, a "not acknowledged" (NAK) re-
sponse will be indicated.
To be set to 1.
Number of the parameters that are present in the
response
See the table on page 95.
Number of the values following
Range
0...255
1...37
Value (10h) Description
(20h) Text (30h)
0, 1...234
1...65535
0...65535
See the table on page 95.
0...234
–
Range
1...255
Request Param OK
(01h)
Request Param NAK
(81h)
Change Param OK
(02h)
Change Param NAK
(82h)
0...255
1...37
See the table on page 95.
0...234
Byte/ Word
Byte
Byte
Byte
Byte
Word
Word
Byte
Byte
See the Format
field.