Disturbance recorder

Disturbance recorder

Very important information in modern industries is process data recorded just before system breakdown. These are being used for resolving system failure cause and error reoccurrence prevention. A safety backup implementation into PLC system is limited due to low memory and similar performance issues...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Es̆kinja, Z, Mis̆ković, I, Stipanov, M
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Data compression
Electric breakdown
Ethernet networks
Hydraulic turbines
Packaging
Programmable control
Safety
Software packages
Switches
System testing
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Beschreibung
Zusammenfassung:Very important information in modern industries is process data recorded just before system breakdown. These are being used for resolving system failure cause and error reoccurrence prevention. A safety backup implementation into PLC system is limited due to low memory and similar performance issues. The paper presents a method for compressing and recording process data using a PLC and an operator panel. The main advantage is placing important information on secure location: external memory card and remote station with Ethernet connection. The system is designed and tested for safety stop sequence in hydro plant turbine governance.