Siemens sinamics dcp - Page 301

Operation
7.8 Communication via EtherNet/IP (EIP)
SINAMICS DCP
Operating Instructions, 09/2019, A5E34382853K
299
Parameter Object, Class codes 401 hex … 43E hex
Using Parameter Object, it is possible to write to any parameter of the addressed drive
object (get) or to read any parameter of the addressed drive object (set).
Table 7- 60 Parameter Object – supported services
Environment
Service
Class
Get Attribute single
Instance
Get Attribute single
Set Attribute single
Table 7- 61 Parameter Object – Class Attributes
Attribute ID
Service
Type
Name
1
get
UINT16
Revision
2
get
UINT16
Max Instance
3
get
UINT16
Num of Instances
Parameters of the drive objects are accessed via Class code, Instance ID and Instance
Attribute:
Class code:
The Class code corresponds to 400 hex + <Drive object No.>
The drive object No. can be taken from column "(Drive object) No." in
the STARTER "Telegram configuration" window.
For example,
Class
code 401 hex:
Class code 402 hex:
...
Class code 43E hex:
Drive object 1
Drive object 2
...
Drive object 62
Instance ID:
The parameter No. is transferred in the Instance ID.
For example, access to r50001
⇒ Instance ID = 50001
(Instance) attribute:
Parameter indices are transferred as Instance Attributes.
For example, access to r52051[2]
⇒ Instance Attribute = 2
Generally, the following applies:
● Drive object No. 1 = CU_DCP ⇒ Class code 401 hex
● Drive object No. 2 = DCP_CTRL ⇒ Class code 402 hex