Communication manual 8400 motec PROFIBUS
Parameter data transfer
PROFIdrive parameter data channel (DP-V1)
56 L EDS84DMOTPBUS EN 3.0 - 11/2011
9.3.3.2 Response to a correctly executed read request
Response header
Parameter format
Note!
Responses to a read request do not contain parameter attributes, indices and
subindices.
Byte 1 Byte 2 Byte 3 Byte 4
Request reference
(mirrored)
Response identification Axis
(mirrored)
Number of indices
Field Data type Values
Request reference U8 Mirrored value of the parameter request
Response identification U8 0x01: Parameter has been read
Axis U8 0x00 or 0x01
Number of indices U8 0x"n" (n = number of parameters requested)
Byte 5 Byte 6
Format Number of values
Field Data type Values
Format U8 0x02: Integer8
0x03: Integer16
0x04: Integer32
0x05: Unsigned8
0x06: Unsigned16
0x07: Unsigned32
0x09: Visible string
0x0A: Octet string
0x40: Zero
0x41: Byte
0x42: Word
0x43: Double word
Number of values U8 0x01 or number of requested subindices/parameters
(with several subindices/parameters only the parameter
value is repeated).
In the case of string codes, the number of characters is
entered here.
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