| 摘要 |
PURPOSE:To constitute the titled device so that an operation of other normal apparatus is not stopped even in case of a fault of an apparatus to be controlled, or a fault of a mu-PC, and also no influence is exerted on other mu-PC, even if a hot line of the faulty mu-PC is inserted or drawn out, by connecting plural mu-PCs to an internal high speed serial bus. CONSTITUTION:mu-PCs 2a, 2b... execute an operation control processing and a transmission processing to an internal high speed serial bus 1. Also, a data transmission between the mu-PCs 2a, 2b... and to an upper high speed serial bus 8 is executed through the internal high speed serial bus 1. In this way, for instance, one set of apparatus to be controlled is assigned to each one piece of the mu-PCs 2a, 2b..., and those apparatuses can be controlled separately by each of these mu-PCs 2a, 2b.... In this case, the ...-PCs 2a, 2b... are coupled by the internal high speed serial bus 1, therefore, a data can be processed in common, and even if one mu-Pc 2a becomes faulty, no influence is exerted on other mu-PCs 2b, 2c... which have been coupled by the serial bus 1. |
