×

Method and apparatus for energy-optimized data transmission using the OPC UA protocol in radio networks

  • US 10,230,807 B2
  • Filed: 09/09/2015
  • Issued: 03/12/2019
  • Est. Priority Date: 09/10/2014
  • Status: Active Grant
First Claim
Patent Images

1. A method of providing unscheduled fault notifications to a mobile client device from a server in an industrial client/server system, in addition to the fault notifications the server provides to industrial client devices, using fault notification information that identifies the fault notification that the mobile client device must request from the server, said industrial client/server system using an industrial monitoring protocol wherein industrial client devices continually send keep alive messages to the server that are required to enable the industrial client devices to receive unscheduled fault notifications from the server, said method supporting industrial maintenance by promptly and reliably providing fault notifications to the mobile client devices that are adapted to use at least one network external to the industrial client/server system and do not send said keep alive messages to the server, said method comprising the steps of:

  • transmitting a trigger message providing notification information to the mobile client device, transmission of said trigger message being initiated by an extension of the industrial protocol used by the server when the server has a fault notification to provide to the mobile client, andinitiating the transmission of a request by the mobile client to the server in response to the trigger message initiated by the server, using the notification information in the trigger message transmitted to the mobile client and an extension of the industrial monitoring protocol that is used by the industrial client, whereby unscheduled fault notifications provided by the industrial monitoring protocol are provided promptly and reliably to mobile devices in accordance with the server'"'"'s extended industrial monitoring protocol.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×