| 摘要 |
<p>PURPOSE:To accomplish stable data communication even in high speed rotation of an internal combustion engine without accelerating a communicating speed of a communication device in a function distributed type controller, in which plural controllers are connected by means of a communicating line (LAN), for an internal combustion engine in a vehicle. CONSTITUTION:In a function distributed type device, a controller for an internal combustion engine consists of a power train control computing device 2, an injection/ignition controller 4, and an I/O processor 6, which are connected by a communicating line 8 to each other, so that data is shared between the respective devices, and the data transmitted/received between the respective devices are sorted into high speed communication data to communicate synchronously with the rotation of the internal combustion engine and low speed communication data to communicate at every preset time so that data communication at the predetermined timing can be carried out in every data. As a result, data quantity to be transmitted/received synchronously with the rotation of the internal combustion engine can be reduced, and communication in high speed rotation of the internal combustion engine can be excellently carried out without accelerating processing speed for a communication system.</p> |
