CONTROL DEVICE, CONTROL METHOD, AND PROGRAM

There is expected a technique for restricting a server function without affecting a driving machine in the case where memory usage is increased. A controller (100) includes a memory (106), a program execution section (103) controlling a driving machine (200) in accordance with a control program (112...

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Bibliographische Detailangaben
Hauptverfasser:	DEKI, Jintaro, NAGATA, Yuta, OKAMURA, Kotaro
Format:	Patent
Sprache:	eng ; fre ; ger
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:	There is expected a technique for restricting a server function without affecting a driving machine in the case where memory usage is increased. A controller (100) includes a memory (106), a program execution section (103) controlling a driving machine (200) in accordance with a control program (112), and an OPC-UA server (150) communicating with an external machine (300). The OPC-UA server (150) includes: a function execution section (152), executing a function utilizing a memory region on the memory (106) in response to a request from the external machine (300); a monitoring section (154) monitoring usage of the memory (106); and a restriction section (156), stopping the above function of the OPC-UA server (150) based on the fact that the usage has exceeded a predetermined threshold.