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US 2021/0136621 A1Published application
Plant system and method
AssigneeYokogawa Electric Corporation
InventorHideo NISHIMURA
Life of this patent
Estimating the term…
Abstract
A plant system includes: an access node connected to a network; a plurality of controllers configured to perform distributed control on a plurality of field devices provided in a plant; and a wireless communication unit provided in each group of a plurality of groups into which the plurality of controllers are grouped and connected to each controller in the corresponding group via a wired connection, and configured to connect each controller to the access node via a wireless connection.
Claims13
A plant system comprising:
- an access node connected to a network;
- a plurality of controllers configured to perform distributed control on a plurality of field devices provided in a plant;
- and
- a wireless communication unit provided in each group of a plurality of groups into which the plurality of controllers are grouped and connected to each controller in the corresponding group via a wired connection, and configured to connect each controller to the access node via a wireless connection.
1 more element
A method applied to:
- an access node connected to a network;
- a plurality of controllers configured to perform distributed control on a plurality of field devices provided in a plant;
- and
- a wireless communication unit provided in each group of a plurality of groups into which the plurality of controllers are grouped and connected to each controller in the corresponding group via a wired connection, wherein
- the method comprises connecting each controller to the access node via a wireless connection via a wireless communication unit.
2 more elements
Dependencies are inferred from the claim text.