| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a digital protection controlling apparatus which can facilitate expansion/integration of functions by preliminarily dividing the constituent elements of the protection controlling apparatus to be connected respectively through a serial bus. <P>SOLUTION: In the digital protection controlling apparatus, each element which constitutes the protection controlling apparatus is connected through a serial bus wholly constituting of a constant period protocol communicating means, and is provided with a communication controller. The serial bus of the constant period protocol communicating means is provided with the function of a bus master enabling all serial buses to take a bus right, and, furthermore, each element can conduct data transmission between the elements at a constant period to realize a real time protection/control. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
