Anybus State Machine
The table below describes how the Anybus State Machine relates to the PROFINET network.
Anybus State | Implementation | Comment |
|---|---|---|
WAIT_PROCESS | The Anybus stays in this state until an IO connection with an IO controller is opened. | - |
ERROR | Configuration data mismatch, initial parameter error, or error reported from application status register. | See Application Status Register for more information. |
PROCESS_ACTIVE | IO connection established with IO controller and valid output data has been provided at least once. | - |
IDLE | IO controller with which an IO connection is established is in STOP mode, the IO controller has not provided valid output at least once, or error reported from application status register.. |
|
EXCEPTION | Turn module status LED red, to indicate major fault, turn network status LED off, and hold Ethernet MAC in reset. | Some kind of unexpected behavior, for example watchdog timeout. See also instance 1, attribute 7 in Network Object (03h). |