Equipment multipath instruction control method and preferable control instruction output device of nuclear power station
A control instruction and instruction control technology, applied in nuclear power plant control, computer-implemented nuclear control, nuclear power generation, etc., can solve the problems of wrong control of field equipment in nuclear power plants, inability to cancel DCS wrong commands, wrong control signals, etc. The effect of reliability
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Embodiment 1
[0066] Please refer to figure 2 , the embodiment of the present invention provides a nuclear power plant equipment multi-channel command control method, including steps:
[0067] S1. When the nuclear power plant control system is running, receive multiple instructions issued by the nuclear power plant control system for controlling the start or stop of the field equipment of the nuclear power plant; wherein, the nuclear power plant control system includes a digital control system and a backup disk, so The multiple instructions include a first instruction issued by the digital control system and a second instruction issued by the backup disk;
[0068] S2. Judging whether a common mode fault occurs in the digital control system, and obtaining a judgment result;
[0069] S3. When the judgment result is No, control the field device to start or stop based on the first instruction, and when the judgment result is Yes, control the field device to start or stop based on the second i...
Embodiment 2
[0083] Based on the same invention concept, please refer to image 3 , the embodiment of the present invention also provides a nuclear power plant preferred control command output device 1, which is used for controlling the start or stop of the field equipment of the nuclear power plant through the multi-channel command issued by the nuclear power plant control system 2, from the multi-channel command Select appropriate control instructions to control the start or stop of the field equipment of the nuclear power plant. The nuclear power plant control system 2 includes a digital control system DCS and a backup disk BUP. The multi-channel instructions include the first instruction issued by the digital control system DCS and the backup disk BUP. The second instruction; preferred control instruction output device 1 comprises:
[0084] A common-mode switch 11 connected to the digital control system DCS, used to output the first signal when the digital control system DCS has a comm...
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