8 Direct addressing of the POWERLINK Object Dictionary

8.2 OPAQUE NodeIds

8.2.3 NodeIds for multiple instances

To access POWERLINK Objects on a Server, which represents more than one POWERLINK Object Dictionary the size of the NodeId is 6 byte and the format is defined in Table 49.
Table 49 – NodeIds for multiple instances
Byte | Description |
---|---|
0 | LSB of the objects POWERLINK Index |
1 | HSB of the objects POWERLINK Index |
2 | POWERLINK Sub-Index |
3 | DataTypeId |
4 | POWERLINK DeviceAddress |
5 | POWERLINK Network |
Byte 0 to 3 have the same function like in Table 48.
Byte 4 defines the Address of the device in the POWERLINK network.
Byte 5 defines the interface/network number where this device is expected. The assignment of a number to a physical interface is application specific.