| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a network system of air conditioners that can transmit and receive a communication frame of an arbitrary air conditioner irrespective of an installation position of the air conditioner in a network. <P>SOLUTION: In the network system of air conditioners that includes a plurality of network groups while one or a plurality of air conditioners 10 constitute one network group, and connects the network groups to one another by a transfer device, the network transfer device 20 transfers communication frames transmitted in a network group to other network groups at a frame transfer request received from an air conditioner 10, and quits transferring of at least some communication frames according to priority of the communication frames when traffic volume in a network group that the network transfer device 20 connects exceeds a prescribed value. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
