Different generations of the protocol stack exist. Please refer to Firmware Generation Status Definition for further details.

The following table shows main differences between the generations.

Releases

	Current release V2	Page: PROFINET IO-Controller V2.7.0.18	For previous versions of V2 see version history.
	Current release V3	Page: PROFINET IO-Controller V3.6.0.1	For previous versions of V3 see version history.

Availability

PROFINET IO-Controller Version	netX 50	netX 51	netX 52	netX 100	netX 500	netX 90
V3
V2

Browser not supported