Triple-redundant passive independent current mutual inspection power off restarting system and triple-redundant passive independent current mutual inspection power off restarting method
A power-off restart and triple-redundancy technology, which is applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as reducing the reliability of a single machine, and achieve the goal of eliminating latch faults, ensuring reliability, and ensuring decoupling Effect
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[0049] Take the power-off process of function board 3 as an example, as follows: figure 2 :
[0050] When the function board 1 determines that the function board 3 is faulty through the latch current mutual detection module, the current mutual detection module of the function board 1 sends a power-off signal 1 (high power Ping), at this time, since K2 is not in action, K3 and K4 will not be disconnected;
[0051] When the function board 2 determines that the function board 3 is faulty through the latch current mutual detection module, the current mutual detection module of the function board 2 sends a power-off signal 2 (high power Ping), K2 is turned on, if K1 is turned on at this time, the coils of K3 and K4 are energized, K3 and K4 are turned off, and the whole board including the power module of the function board 3 is powered off, and the passive power is turned off at this time Restart the voting module such as image 3 shown.
[0052] Restart the process, such as ...
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