2 response after a faultless read request, Communication manual 8400 protec profibus – Lenze E84Dxxxx User Manual
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EDS84DPBUS EN 2.0 - 09/2010
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Communication manual 8400 protec PROFIBUS
Parameter data transfer
DP-V1 parameter data channel (PROFIdrive profile)
8.3.3.2
Response after a faultless read request
Response head
Parameter format
Note!
Responses to a read request do not contain parameter attributes, indexes and
subindexes.
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 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 subindexes/parameters
(with several subindexes/parameters only the
parameter value is repeated).
For string codes, the number of characters is entered
here.