| CPC G07C 5/008 (2013.01) [G07C 5/0816 (2013.01)] | 6 Claims |
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1. A communication device which is connected to a drive device including a control device comprising a processor,
the control device performing:
a normal notification process of acquiring information indicating an operation or a state of the drive device from the drive device and providing notification information; and
an error determination process of determining that an error has occurred based on the information indicating the operation or the state of the drive device, and in response to determining that the error has occurred, generating and transmitting error information,
the communication device comprising:
a drive device communication device that communicates with the drive device;
an external communication device that communicates with at least an external management device via a network;
a notification information storage device that stores the notification information that is information acquired from the drive device connected to the drive device communication device; and
a controller representative of one or more processors that acquires the notification information from the drive device connected to the drive device communication unit, records, into the notification information storage, the notification information having been acquired, wherein the controller receives the error information from the drive device, the controller transmits, to the external management device via the external communication device, the notification information acquired during a period from a first time point back in a past by a first time from a second time point at which the error information is received, to a third time point at which a second time elapses from the second time point at which the error information is received.
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