Patent ID: 11893873
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Control (Instruments)
Classification: CPC G  H | IPC G  H

Claim 15:
16. An information collection method comprising:
receiving, by an information collection apparatus, an alarm indicating an abnormality related to a control station that is for a plant; and
collecting, by the information collection apparatus, investigation information on a cause of the alarm from a part of the control station, the part being identified based on the received alarm, wherein
the alarm is identified in association with an arbitration that is a combination of part information indicating a type of a part of the control station and location information indicating a location of the part,
the part information includes at least one of
information indicating a control bus that is connected to the control station,
information indicating a central processing unit (CPU) card in the control station,
information indicating an entire input/output (I/O) nest in the control station, and
information indicating an I/O module in the control station,

the location information includes at least one of
information indicating locations of domains of a control bus that divides a plurality of control stations by each of the domains,
information indicating a location of the control station in a domain,
information indicating a location of one of an operating CPU and a waiting CPU between redundant CPUs in the control station,
information indicating a location of an I/O system in the control station,
information indicating a location of an I/O nest in the control station,
information indicating a location of an I/O device unit in the I/O nest, and
information indicating a location of a slot in the I/O device unit, and

the information collection apparatus collects the investigation information from a part of the control station, the part being identified based on the arbitration of the alarm received.