Relay protection output circuit and output control method thereof
A technology of relay protection and control method, applied in the direction of program control, computer control, general control system, etc., can solve the problems of reducing the operating efficiency of the CPU, weak anti-interference ability, and occupying a large CPU execution time, so as to improve the CPU utilization rate. , Improve the anti-interference performance, improve the effect of anti-interference ability
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[0029] The technical solutions of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention, but the examples cited are not intended to limit the present invention.
[0030] A relay protection open circuit, such as figure 1 As shown, it includes: CPU 4 (central processing unit, central processing unit), FPGA 5 (Field Programmable Gate Array, field programmable logic gate array), start control unit 1, open control unit 2, relay drive unit 3.
[0031] CPU 4 is connected to FPGA5 through the data bus, CPU 4 is connected to the start control unit 1 through the start control signal line, FPGA5 is connected to the switch out control unit 2 through the switch out bus and latch signal line, and the switch out of control unit 2 The output signal and the master control signal issued by the CPU 4 are respectively input to the rel...
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