Patent ID: 11924206
Assignee: nan
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 12:
13. A method for locking a network adapter of an industrial I/O system, comprising:
receiving, at the network adapter, a first combination;
determining, by the network adapter, whether the first combination matches a predefined lock combination;
upon determining that the first combination matches the predefined lock combination, starting, by the network adapter, a lock process;
receiving, at the network adapter, a second combination;
determining, by the network adapter, whether the second combination matches a predefined lock key;
upon determining that the second combination matches the predefined lock key, locking the network adapter, wherein when the network adapter is locked, the network adapter prohibits one or more predefined actions that change settings of the network adapter through a network connection;
upon the network adapter being locked, entering, by the network adapter, a protected mode; and
upon entering the protected mode, registering, by the network adapter, identities of one or more I/O devices that are connected to the network adapter and prohibiting, by the network adapter, communication with unregistered I/O devices.