| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a multiplex communication device for vehicles which do not limit an installation number of additional controlling and operating parts and use transmission arrangement that makes information amount which is transmitted to a common bus limited within regulated amount. SOLUTION: This device is provided with a common bus 3 which is installed in a vehicle, plurality of centralized control parts 2, 4 and 5 which are connected to the bus 3 and performs information transmission, in accordance with a 1st information protocol between the bus 3 and a controlled part proper to the vehicle or controlling and operating parts 12 (1) to 12 (M) with respect to the controlled part, and an information collecting and controlling part 1 which is connected to at least one centralized control part 2 among plurality of the parts 2, 4 and 5, through a simple bus 8 and performs information transmission according to a 2nd information protocol that is different from the 1st protocol between the bus 8 and at least one of additional controlling and operating parts 11 (1) to 11 (N) which can optionally be installed.</p> |
