Field equipment control system

• US 20090097502A1
• Filed: 05/11/2006
• Published: 04/16/2009
• Est. Priority Date: 05/12/2005
• Status: Abandoned Application

• Current Assignee: Yokogawa Electric Corporation
• Original Assignee: Yokogawa Electric Corporation
• Inventors: Yamamoto, Shuji
• Application Number:
  US11/920,317
• Publication Number:
  US 20090097502A1
• Time in Patent Office: Days
• US Class Current: 370/466
• CPC Class Codes: G05B 19/4185 characterised by the network communication
• CPC Class Codes: G05B 2219/31162 Wireless lan
• CPC Class Codes: G05B 2219/31369 Translation, conversion of protocol between two layers, networks
• CPC Class Codes: Y02P 90/02 Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

A field equipment control system including: a plurality of field equipments installed in a field; and a control device for controlling the plurality of field equipments, wherein each of the field equipments has a wireless communication section for transmitting/receiving data between the field equipments, and at least one field equipment out of the plurality of field equipments, which is connected to the control device, has a communication relaying section for carrying out a data conversion between different protocols.

Claims

1. A field equipment control system, comprising:

a plurality of field equipments installed in a field; and

a control device for controlling the plurality of field equipments,

wherein each of the field equipments has a wireless communication section for transmitting/receiving data between the field equipments, and

at least one field equipment out of the plurality of field equipments, which is connected to the control device, has a communication relaying section for carrying out a data conversion between different protocols.

2. The field equipment control system according to claim 1, wherein

at least one field equipment out of the plurality of field equipments has a router function for transmitting data to a designated node via an optimal route.

3. The field equipment control system according to claim 1, wherein the communication relaying section establishes at least one network out of a mesh topology, a cluster topology, a tree topology, and a star topology.

4. The field equipment control system according to claim 1, wherein the field equipment has an identifier by which the control device identifies the field equipment.

5. The field equipment control system according to claim 1, wherein the field equipment has a communication section for establishing a communication with a mobile terminal via cable or wireless.

6. The field equipment control system according to claim 1, wherein the wireless communication section is provided by connecting a wireless node to the field equipment already provided to the field equipment control system.