Technical data

Communication
9.2 Communication according to PROFIdrive
Function Manual
Function Manual, 06/2012, 6SL3097-4AB10-0BP4
613
Parameter response Offset
Request reference mirrored Response ID 0 Response header
Axis mirrored No. of parameters 2
Format No. of values 4
Values or error values 6
1. parameter value(s)
...
...
Format No. of values
Values or error values
Values for
read access
only
Error values
for negative
response only
nth parameter value(s)
...
Description of fields in DPV1 parameter request and response
Field Data type Values Remark
Unsigned8 0x01 ... 0xFF Request reference
Unique identification of the request/response pair for the master. The master changes the
request reference with each new request. The slave mirrors the request reference in its
response.
Unsigned8 0x01
0x02
Read request
Write request
Request ID
Specifies the type of request.
In the case of a write request, the changes are made in a volatile memory (RAM). A save
operation is needed in order to transfer the data to the non-volatile memory (p0977).
Unsigned8 0x01
0x02
0x81
0x82
Read request (+)
Write request (+)
Read request (-)
Write request (-)
Response ID
Mirrors the request identifier and specifies whether request execution was positive or
negative.
Negative means:
Cannot execute part or all of request.
The error values are transferred instead of the values for each subresponse.
Unsigned8 0x00 ... 0xFF Number Drive object
number
Setting for the drive object number of a drive unit with more than one drive object. Different
drive objects with separate parameter number ranges can be accessed over the same
DPV1 connection.
Unsigned8 0x01 ... 0x27 No. 1 ... 39
Limited by DPV1 telegram length
No. of parameters
Defines the number of adjoining areas for the parameter address and/or parameter value
for multi-parameter requests.
The number of parameters = 1 for single requests.
Unsigned8 0x10
0x20
0x30
Value
Description
Text (not implemented)
Attribute
Type of parameter element accessed.