
Parameter data transfer
PROFIdrive parameter data channel
PROFIdrive DP−V1
l
78
EDS82ZAFPC201 EN 4.0
8.2.2.9
Response to a write request error
)
Note!
For a multi−parameter request, the correct and possibly faulty messages are
combined in one telegram. The individual messages have the following data
contents:
ƒ
Correct message
– Format: 0x40 (zero)
– Number of values: 0x00
ƒ
Faulty message
– Format: 0x44
– Number of values: 0x01 or 0x02
– Error code without additional information (for number of values = 0x01)
or
– error code with additional information (for number of values = 0x02)
A faulty access to a parameter "n" is indicated at the nth position in the
response telegram of a multi−parameter request.
Response header
Byte 1
Byte 2
Byte 3
Byte 4
U8
Request reference
(mirrored)
U8
Response identification
U8
Axis
(mirrored)
U8
Number of indexes
Request reference:
Mirrored value of parameter request
Response identification:
0x82 (write error)
An error code is transmitted, see below
Axis:
0x00 or 0x01
Number of indexes:
0x"n" (number of parameters requested)
Parameter format
Byte 5
Byte 6
U8
Format
U8
Number of values
Format:
0x44, error
Number of values:
0x01 (error code without additional information)
0x02 (error code with additional information)
Error code
Byte 7
Byte 8
Byte 9
Byte 10
U16
Error code
U16
Additional information if available
Error code:
0x0000 ... 0x00FF
^
(Additional information)