Communication
110
Parameter data transfer examples
The following examples show how parameter data is transferred
using the DP-V1 mechanisms READ and WRITE.
Note: Only the “Data unit” part of the SD2 telegram is presented in
the examples. See Figure 10 on page 102.
Example 1a: Reading a drive parameter (array element)
Drive parameters are addressed so that the drive parameter group
corresponds to the parameter index (PNU), and the drive
parameter number within the group corresponds to the subindex
(IND). In the following example, a value is read from drive
parameter number 12.04 (0C.04h).
DP-V1 Write request (Read parameter value):
DP
header
5F 01 2F 0A 05 01 01 01 10 01 00 0C 00 04
DP
trailer
DP-V1 Command PROFIdrive V3 Parameter Channel
Subindex
Parameter index
Number of elements
Attribute (10h = Value)
Number of parameters
Drive object ID
Request ID (01h = Request Parameter)
Request reference
Data length
Index
Slot number
Function number
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