Multi-channel data collection control circuit and method for satellite
A data acquisition and control circuit technology, applied in the program control and electrical program control of the sequence/logic controller, etc., can solve the problems of increasing CPU load, increasing CPU participation time, increasing AD acquisition time, etc., to improve the utilization rate , Reduce acquisition delay and save acquisition time
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[0017] See figure 1 , The present invention includes a multi-channel electronic switch, a voltage amount acquisition chip, and an FPGA control module for realizing multi-channel electronic switch channel switching, voltage amount acquisition timing work control, data smoothing operation, and data storage and reading functions; multi-channel electronic switch The several input terminals of the multi-channel electronic switch are connected to corresponding signal sources, the analog signal output terminal of the multi-channel electronic switch is connected with the analog signal input terminal of the voltage acquisition chip, and the control signal input of the multi-channel electronic switch and the voltage acquisition chip The terminals are respectively connected with the FPGA control module; the data output terminal of the voltage acquisition chip is connected with the data input terminal of the FPGA control module. The FPGA control module includes a channel switching module fo...
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