| 摘要 |
PURPOSE:To enhance a reliability of a system and make easy a maintenance and the like by automatically detecting an eroneously duplicating and setting channel and displaying the number of this channel. CONSTITUTION:A multiple transmission line 4 is connected to a line driver/ receiver 200 of a transmission device and a receiving device to transmit and receiver a data signal and the like. A serial/parallel converter 22 is connected to a data memory device 28 and a sequence controller reads a data of an input element stored in this memory device 28 as a majority value. A channel address converting device 29 carries out a conversion of a channel of the transmission line 4 and an input and output address of the controller. At this time, in order to detect an eroneous setting of the channel, as a level discriminating device, a logical gate 23 and an FF circuit 24 are disposed and as a display device, a latch circuit 25, a computer 26 and a console panel 27 are disposed and during a non-conformity, channel number is displayed. |
