Name

Initial

Comment

DISABLED

0

Disabled in device tree.

NOT_CONFIGURED

State after download going on with IP_CONFIG after setting values to default.

IP_CONFIG

Setting IP address and port. BUS_ERROR if IP address not valid. Going on with ENCAPSULATION_CONFIG if ok.

ENCAPSULATION_CONFIG

Opens the TCP port to the client and if ther is no error go on LIST_SERVICES, else BUS_ERROR.

LIST_SERVICES

Empty state going on with REGISTER_SESSION.

REGISTER_SESSION

Register Session message is send and response is evaluated. If error BUS_ERROR, else PARAMETER_CONFIG.

PARAMETER_CONFIG

UserParameters are going to be sent. If error accrued, a logmessage is generated and no matter what the next state is  AdapterState.CONFIGURED.

CONFIGURED

Forward Open is processed here going on with RUNNING if success and join multicast address if necessary, else retrying Forward Open in this state.

RUNNING

Checking UDP and TCP connections and timeouts while receiving and sending IOs.

IDLE

Unused. Run idel header is used in state RUNNING.

RESET

Performing a reset triggered on the input of the RemoteAdapter.

RESET_SERVICE

Reset service of CIP is triggered over the network.

CONNECTIVITY_CHECK

if AUTO_RESET in the configurator is enabled and the connection is lost, this states is getting active and checks, if the adapter is avaiable. CONFIGURED is the next state, if the adapter is available again.

BUS_ERROR

If connection is lost and AUTO_RESET is disabled in the configurator or problems with sockets occurred, this state gets active.

ERROR

Downloaded parameter are inconsistent or no memory or connection problems