Remote diagnostic system for facilities and remote diagnostic method

摘要

A remote diagnostic system and method for facilities which carry out a diagnosis on a facilities placed under management of a first company using the diagnostic system of a second company, which is connected to the facilities through a communications network and which is not placed under management of the first company. The facilities include, a storage unit which stores information classified into multiple security levels having different access rights in order to determine the scope of reply in response to an inquiry regarding information on diagnosis of the facilities, and a security level evaluation control unit to assign a new access right in response to the inquiry devoid of access right regarding the diagnosis from the second company in conformance to the degree of the event related to the inquiry.