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AUTOMATIC CONTROL SYSTEM

  • US 20140142723A1
  • Filed: 10/30/2013
  • Published: 05/22/2014
  • Est. Priority Date: 11/22/2012
  • Status: Abandoned Application
First Claim
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1. An automatic control system including a slave station that is connected to a control target, a master station that is connected to a control unit for controlling the control target, a contact point information collection and distribution device, existing between the master station and the slave station, that collects and distributes a series of contact point information communicated at a predetermined communication cycle, and a plurality of communication lines that connect between the master station and the slave station via at least one contact point information collection and distribution device, wherein the contact point information collection and distribution device performs collection and distribution of the series of contact point information in synchronization with all the communication lines under the control of the control unit, and wherein the control unit compares contact point information collected via the contact point information collection and distribution device with past contact point information collected in a previous communication cycle and assumes as true in a case of matching, and performs control by true contact point information.

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