| 摘要 |
PURPOSE:To improve the quality of record and transmission efficiency by separating ON-OFF information into information to be transmitted all the time and that to be tansmitted only in selective measurement. CONSTITUTION:From electric power system 1, only automatic record factor ON- OFF information 1-1 is sent out to master-side remote supervisory controller 4 via subordinate-side supervisory controller 2 and electroic computer 5 detects the state changing. When the state change of information 1-1 is detected through the above- mentioned operation, central processing unit 5-2 judges the selective position of corresponding selective ON-OFF information and sends a selective control code to unit 2 via unit 4. In unit 2, this control code is converted by decoding circuit 2-7 into a number corresponding to the selective position. On the basis of the number, selective control output relay circuit 2-8 puts corresponding position selective relay 2-9 into operation to assign needed selective ON-OFF information 1-2. The assigned information 1-2 is sent out to unit 4 together with information 1-1 and recorded by recorder 6 via computer 5. |
