DIAGNOSTIC APPARATUS

A diagnostic apparatus includes a control device (20) and an extension device (21) connectable to the control device (20). The control device (20) includes one or more cutoff blocks (31) that switch between allowing and cutting off power supply to a load (32), a first diagnostic pulse generator (8a)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KISHIDA, Hideyuki, SHIMOGAKI, Yusuke, KISHIBE, Taro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TESTING
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Beschreibung
Zusammenfassung:	A diagnostic apparatus includes a control device (20) and an extension device (21) connectable to the control device (20). The control device (20) includes one or more cutoff blocks (31) that switch between allowing and cutting off power supply to a load (32), a first diagnostic pulse generator (8a) that generates a diagnostic signal indicating that the power to the load (32) is to be cut off, a first cutoff diagnosing device (9a) that detects a supply voltage to the load (32), and an extension device detector (15) that determines whether the extension device (21) is connected to the control device (20). The extension device (21) includes a second diagnostic pulse generator (8b) that generates a diagnostic signal, and a second cutoff diagnosing device (9b) that detects a supply voltage to the load (32).