Mitsubishi Electric Corporation

Tsuguya Oishi

Daisuke Ammi

A communication device and a data collection system that, when lower connection devices are connected to a communication device, improve efficiency of communication between the communication device and an upper connection device. There is an acquirer that acquires data from the lower connection devices, and a transmission setter that sets a transmission period, which is a time interval in which the data acquired by the acquirer from the lower connection devices is compiled and the compiled data is transmitted to the upper connection device as transmission data, to be equal to or longer than a communication period that is the longest among communication periods of the lower connection devices. Further, there is a transmitter that transmits the transmission data to the upper connection device with the transmission period that is set by the transmission setter.

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Tokyo, Japan

Tsuguya Oishi