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.