| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a control system of a nuclear facility for facilitating switching between control units and capable of reducing switching errors. <P>SOLUTION: A control system 40 of a nuclear facility capable of controlling operation of the nuclear facility within an evacuation zone E1 comprises: a regular control device 45 provided in a non-evacuation zone E2; an emergency control device 46 for emergencies provided within the evacuation zone E1; a plant control installation 42 connectable to the control device 45 and the emergency control device 46; a signal switching unit 51 for switching from regular connection to emergency connection based on an emergency switching signal; a first switching switch 52 provided in the non-evacuation zone E2; a second switching switch 53 provided within the evacuation zone E1; and an AND circuit 54 capable of outputting an emergency switching signal toward the signal switching unit 51 when the emergency switching signal is input from the first switching switch 52 and the emergency switching signal is input from the second switching switch 53. <P>COPYRIGHT: (C)2012,JPO&INPIT |
