摘要 |
Various embodiments comprise an automatic control device configured to provide information. The automatic control device includes a memory, at least one processor coupled to the memory, an industrial protocol interface executed by the at least one processor and configured to exchange messages formatted according to the industrial protocol. The automatic control device includes a publishing component executed by the at least one processor and configured to receive, from an external device, a subscription request, access information relating to the automatic control device, detect changes in the information, and provide, to the external device, responsive to the detection, the information relating to the automatic control device. |