CONTROL DEVICE, CONTROL SYSTEM, SUPPORT APPARATUS, AND CONTROL-DEVICE MAINTENANCE MANAGEMENT METHOD

A support device (300) executes a maintenance operation for a PLC (100), and records, into the PLC (100), information identifying the maintenance operation. The maintenance operation includes at least either of writing and deleting of data such as firmware into/from the PLC (100). The support device...

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Bibliographische Detailangaben
Hauptverfasser:	HIOKA, Takehiko, KAWANOUE, Shinsuke, ABE, Yutaka
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	A support device (300) executes a maintenance operation for a PLC (100), and records, into the PLC (100), information identifying the maintenance operation. The maintenance operation includes at least either of writing and deleting of data such as firmware into/from the PLC (100). The support device (300) may further record, into the support device (300) itself, information identifying the maintenance operation. In addition, the PLC (100) uses data stored in a recording medium (500) to execute a maintenance operation for the PLC (100). At this time, the PLC (100) records, into the PLC (100) itself, information identifying the maintenance operation. The PLC (100) may further record, into the recording medium (500), the information identifying the maintenance operation.