Portable device maintenance support apparatus, system, and method
AssigneeYokogawa Electric Corporation
InventorsMasafumi NAKAMURA, Ikuhiko ISHIKAWA
Life of this patent
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Abstract
A portable device maintenance support apparatus includes one set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the hybrid communication network being performed between the portable device maintenance support apparatus and a field device, the one set of terminals being common to the plurality of protocols.
Claims20
A portable device maintenance support apparatus comprising
- one set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the hybrid communication network being performed between the portable device maintenance support apparatus and a field device, the one set of terminals being common to the plurality of protocols.
A portable device maintenance support system, comprising:
- a field device detecting a physical quantity;
- and
- a portable device maintenance support apparatus that comprises one set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the hybrid communication network being performed between the portable device maintenance support apparatus and the field device, the one set of terminals being common to the plurality of protocols.
A portable device maintenance support method comprising
- providing one set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the one set of terminals being provided in a portable device maintenance support apparatus, the hybrid communication network being performed between the portable device maintenance support apparatus and a field device, the one set of terminals being common to the plurality of protocols,
- whereby maintenance and inspection of the field device are performed, via the hybrid communication network, the maintenance and inspection being made using the one set of terminals.
Dependencies are inferred from the claim text.