| 摘要 |
PURPOSE:To attain an individual supervisory control with the local level of each device even if any unit constituting a system is faulty by separating a unit making overall discrimination and a unit applying a detailed supervisory control of each device. CONSTITUTION:Control panels 1, 2 and an automatic control unit 3 make minimized information exchange with lcoal level supervisory control units 5, 6 packaged to input devices 9, 10 constituting broadcast equipments 7, 8 via a central relay connector panel 4. In this case, as the supervisory control unit, the input control unit 6 connected to the input device 9 and the supervisory control unit 5 connected to an output coaxial device 10 are used. In the normal state, according to the selected operating mode, the overall supervisory control the broadcast equipments is attiand by the operation boards 1, 2 or the automatic control unit 3. Even when any unit constituting the system is, however, once faulty, it is possible to continue the supervisory control for each unit by selecting the direct mode at the local level of each unit. |
