Patent ID: 7999653

Claim:
A plant monitor-control apparatus comprising: a control device which controls a to-be-controlled device of a plant; an operation/monitor device which outputs an operation instruction of the to-be-controlled device to the control device; and a user skill level management device which outputs, to the operation/monitor device, authority information which defines a range of operations of the plant corresponding to a user skill level of a user of the operation/monitor device, wherein the operation/monitor device includes means for outputting login user information, which indicates the user who completes login, to the user skill level management device, the user skill level management device includes: a user skill level database which stores, in an associated manner, user information, skill level information indicative of a skill level of an operation by the user, and the authority information corresponding to the skill level information; and authority information transmission means for searching the user skill level database by using the login user information, acquiring the authority information corresponding to the login user information, and transmitting the acquired authority information, together with the login user information, to the operation/monitor device, and the operation/monitor device further includes: an operation authority database which stores the user information and the authority information in an associated manner; means for searching the operation authority database by using the login user information, and acquiring operation authority information corresponding to the login user information of the user who inputs the operation instruction; and means for determining whether the input operation instruction meets the range of operations of the plant, which is defined by the operation authority information that is acquired from the operation authority database, and outputting the operation instruction to the control device in a case where it is determined that the input operation instruction meets the range of operations of the plant.