ALARM CONTROL BOARD UPDATING METHOD FOR PLANT, AND UPDATE TEST MONITORING APPARATUS

PROBLEM TO BE SOLVED: To provide an alarm control board updating method for a plant enabling the update of alarm control boards in a plant comparatively simply in a short time as compared with the conventional method and reduction in monitoring function losing time, and an alarm control board test m...

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Bibliographische Detailangaben
Hauptverfasser:	KAMIYAMA MASAHIKO, SAKUMA ISAO, KOBAYASHI HIROAKI, ASHIHARA MUTSURO
Format:	Patent
Sprache:	eng
Schlagworte:	NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an alarm control board updating method for a plant enabling the update of alarm control boards in a plant comparatively simply in a short time as compared with the conventional method and reduction in monitoring function losing time, and an alarm control board test monitoring apparatus. SOLUTION: A new inside-alarm-control-board unit 12k is installed. An input side connector cable 12c and an input side inside-board wire 3c are connected with each other to take a signal at a cause contact 1 without breaking an input side outer cable 2. Then, an existing inside-alarm-control-board unit 3b is removed, and the new unit 12k is housed within a casing 3f. An output side inside-board wire 3d and an output side connector cable 12j are connected with each other. COPYRIGHT: (C)2006,JPO&NCIPI