Note: Only the data block part of the request is presented in the
examples. See section
Example 1a: Reading a drive parameter (array
element)
Beispiel 1a: Einen Antriebsparameter (Array-Element) lesen
Drive parameters are addressed so that the drive parameter group
Antriebsparameter werden adressiert, so dass die Antriebsparametergruppe dem
corresponds to the Parameter index (PNU), and the drive
Parameterindex (PNU) und die Antriebsparameternummer in der Gruppe dem Subindex
parameter number within the group corresponds to the Subindex
(IND) entspricht. Im folgenden Beispiel wird ein Wert aus Antriebsparameter 12.04
(IND). In the following example, a value is read from drive
(0C.04h) gelesen.
parameter 12.04 (0C.04h).
•
DP-V1 Write request (Read parameter value):
• DP-V1 Schreibauftrag (Parameterwert lesen):
01 01 B0 2F 0A 05 01 01 01 10 01 00 0C 00 04
DP
header
DP-V1 Command
84 PROFINET IO – Communication protocol
•
Positive Read response to DP-V1 Read request:
• Positive Lese-Antwort auf DP-V1 Leseauftrag:
DP-V1_Write_request_1.pdf
01 01 B0 2F 08 05 01 01 01 42 01 05 64
DP
header
DP-V1 Response
•
Negative response to PROFIdrive Read request:
• Negative Antwort auf PROFIdrive Leseauftrag:
Read and write blocks
Slot number
Subslot number
Index
Data length
PROFIdrive V3 Parameter Channel
Slot number
Subslot number
Index
Data length
PROFIdrive V3 Parameter Channel
Slot number
Subslot number
Index
Data length
PROFINET IO – Kommunikationsprotokoll 131
Request reference
Request ID (01h= Request Parameter
Drive object ID
Number of parameters
Attribute (10h = Value)
Response reference (mirrored)
Response ID
Drive object ID
Number of parameters
Format (42h = Word)
Response reference (mirrored)
Response ID
on page 75.
Number of elements
Parameter index
Subindex
DP trailer
DP-V1_Read_request_1.pdf
Number of values
Parameter value
DP
trailer