ABB FPBA-01 PROFIBUS DP - Page 157

Communication protocol 157
Subindex Addresses
• the first array
element of the
parameter or
• the beginning of a
string access or
• the text array or
• the description
element that is
being accessed.
0…65535 Word
Format
1)
See the table on page
159.
See the table on
page 159.
Byte
Number of
Values
1)
Number of values
following
0…234 Byte
Values
1)
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.
– See the
Format
field.
1)
Only if Request ID is 02h (Change Parameter). The Format, Number of
Values and Values fields are repeated for other parameters.
Field(s) Description Range Byte/Word