Automatic remote monitoring and diagnostics system and communication method for communicating between a programmable logic controller and a central unit
First Claim
1. A Monitoring and Diagnostics System, comprising a monitoring unit, a monitored unit, and communication means between said monitoring unit and said monitored unit, wherein said Monitoring and Diagnostics System is configured such that:
- said monitored unit comprises data acquisition means for providing fault data of said monitored unit, said communication means are adapted to communicate the fault data from said monitored unit to said monitoring unit, and said monitoring unit comprises a reasoning engine comprising a diagnostics knowledge for analyzing the information contained in the fault data and being adapted to deduce diagnostics information from said diagnostics knowledge and from said information.
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Accused Products
Abstract
A Monitoring and Diagnostics System is provided, which includes a monitoring unit and a monitored unit remotely located from the monitoring unit. The System also includes communication means between the monitoring unit and the monitored unit. The monitored unit includes data acquisition means for providing fault data of the monitored unit and the communication means are adapted to communicate the fault data from the monitored unit to the monitoring unit. The monitoring unit includes a rules engine having a set of expert rules for analyzing the information contained in the fault data and being adapted to deduce diagnostics information from the rules and from the information. In addition, a communication method for communicating between a first Programmable Logic Controller and a second Programmable Logic Controller or a central unit is provided, in which a description file is provided.
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Citations
23 Claims
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1. A Monitoring and Diagnostics System, comprising
a monitoring unit, a monitored unit, and communication means between said monitoring unit and said monitored unit, wherein said Monitoring and Diagnostics System is configured such that: -
said monitored unit comprises data acquisition means for providing fault data of said monitored unit, said communication means are adapted to communicate the fault data from said monitored unit to said monitoring unit, and said monitoring unit comprises a reasoning engine comprising a diagnostics knowledge for analyzing the information contained in the fault data and being adapted to deduce diagnostics information from said diagnostics knowledge and from said information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 23)
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16. A communication method for communicating between a first Programmable Logic Controller and at least one of a second Programmable Logic Controller and a central unit, comprising:
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the first Programmable Logic Controller and the at least one of the second Programmable Logic Controller and the central unit communicate data items via a communication channel according to an essentially deterministic transfer structure;
the first Programmable Logic Controller and the at least one of the second Programmable Logic Controller and the central unit provides a separate description file containing a description of the information contained in the data items or in the sequence of data items. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification