| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of improving the noise resistance performance of communication between microcomputers using a single data transmission/reception cable. <P>SOLUTION: The air conditioner for exhausting and supplying air in the room is provided with a microcomputer a17 as a control means in a control circuit unit 9 and a microcomputer b18 as a determination means for determining an operation to the operation unit 10 operated at a location away from the control circuit by cable, and configured to transmit and receive data by the microcomputer a17 and a microcomputer b18, and also configured to transmit and receive the data using a single cable for transmission and reception between microcomputers a and b because a state of transmission and reception by the microcomputer a17 and a microcomputer b18 is always an object state. The air conditioner is structured to switch a transmission and reception state after a certain fixed time elapses when switching the transmission and reception state of the microcomputers a and b. Thereby, even when not operated from the operation unit 10, the transmission and reception of the data is normally performed by always repeating the transmission and reception of the data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
