| 摘要 |
PURPOSE:To easily extend the range of application of a bus by setting a bus master and a bus master control part onto a rack and connecting the bus master control part to the connecting part of a daisy chain in an existing bus. CONSTITUTION:The bus masters 3 are divided into groups every prescribed number of pieces and a bus master control part 2 is provided in each group of masters 3 to be connected to each master 3 via an existing individual bus application communication line l1 and controls the application of the bus for those masters 3. These masters 3 and part 2 are set onto a single rack for each group of masters 3. Plural pieces of said racks are provided and the part 2 of each group is connected to the connecting part of a daisy chain in an existing bus. |
