Field device and diagnostic method

Abstract

In a field device 20 capable of performing field communication, a diagnostic script received using the field communication is stored in a storage unit 211, the diagnostic script describing a sequence of a diagnostic process to be executed at the field device 20, and a processor 212 makes a diagnosis on the field device 20 by executing the diagnostic script stored in the storage unit 211. For example, by executing the diagnostic script, the processor 212 acquires information on an alarm that has occurred at the field device 20, updates firmware of the field device 20, acquires an internal variable of the field device 20, or performs zero point adjustment of the field device 20.

Dependencies are inferred from the claim text.