Remote monitoring device, local monitoring device, remote monitoring system, remote monitoring method and program

摘要

Reduction of running cost is realized.The remote monitoring device 2 isAn abnormality notification from any of the plurality of local monitoring devices 3An abnormality notification receiver 200 received via a first communication line which is based on a single line contract by a plurality of local supervisory devices 3 andBased on the type of anomaly stored in the received notificationA request content determining unit 201 for determining the content of the request which is the content of the data to be requested to the local monitoring device 3 of the source of abnormality notificationData request notification containing the determined request contentThe communication line is different from the first communication line or the first communication lineA data requesting section 202 to be transmitted to the local monitoring device 3 via a second communication line which is based on each line contract by a plurality of local monitoring devicesA detailed data receiver 203 receives detailed data transmitted from the local monitoring device 3 via a second communication line.Diagram