摘要 |
PURPOSE:To prevent a wasteful system down by determining and registering in advance information indicating necessity or nonnecessity of breaking a power source of a power source unit, and reading the information at the time of generating an alarm signal to control the interruption of the power source. CONSTITUTION:When a plurality of unit power source controllers 31-3n are respectively connected to power source units 11-1n' for supplying powers to load units 21-2n, a system power source controller 11 is further connected to apply a power source ON/OFF command of the unit, a registration unit 12 is provided in the controller 11. The unit 12 stores in advance information of whether the power source of the unit should be turned ON/OFF at the time of generating an alarm signal. When the signal is actually generated, the stored information is read by a control unit 11C, the command of turning ON/OFF of the power source is applied to the controllers 31-3n according to the information.
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