COMMUNICATION APPARATUS

To make it possible to easily identify the error location, a communication apparatus includes: a first storage unit; an error detecting unit detecting a bus error caused on a bus of its own PLC; an error counting unit counting the number of times the error detecting unit has detected a bus error and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KAN HIDETAKA
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC DIGITAL DATA PROCESSING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	To make it possible to easily identify the error location, a communication apparatus includes: a first storage unit; an error detecting unit detecting a bus error caused on a bus of its own PLC; an error counting unit counting the number of times the error detecting unit has detected a bus error and recording a counted value of the bus error in the first storage unit; a transmitting unit transmitting a counted value recorded in the first storage unit and counted by the error counting unit to all of other PLCs belonging to the same PLC system; and a receiving unit receiving a counted value transmitted from the other PLCs belonging to the same PLC system and storing the received counted value in the first storage unit in such a way that a PLC that is a transmission source of the counted value can be identified.