Field device, communication system, and method for controlling field device

摘要

A communication system (1) includes a plurality of field devices (11) connected to a field network, and a controller (12) configured to communicate with the field devices via the field network (N1) to control the field devices. The field device is configured to communicate with the controller via the field network, and to perform a predetermined processing using information obtained by a communication between the field devices via a local network.