Device and method for automatic calibrating in water treatment analog data collecting system
A technology of analog data and acquisition system, which is applied in the field of automatic calibration device of water treatment analog data acquisition system, can solve the problems of large calibration method error, complicated operation, can not meet industrial standards, etc. Effect
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[0017] Specific implementation mode 1: the following combination figure 1 To explain this embodiment, the automatic calibration device for water treatment analog data acquisition system in this embodiment includes a single-chip control module 1, a DA conversion module 2, a VI conversion module 3, a liquid crystal display module 4, a keyboard input module 5, and an analog input interface Module 6,
[0018] The output terminal of the keyboard input module 5 is connected with the key information input terminal of the single-chip control module 1, and the display output terminal of the single-chip control module 1 is connected with the input terminal of the liquid crystal display module 4.
[0019] The standard current signal control output terminal of the single-chip control module 1 is connected to the digital signal input terminal of the DA conversion module 2, and the analog signal output terminal of the DA conversion module 2 is connected to the voltage signal input terminal of the...
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[0022] Specific implementation manner 2: This implementation manner further illustrates the implementation manner. The single-chip microcomputer control module 1 is implemented by using an enhanced 51 single-chip microcomputer STC12C5A60S2.
Example Embodiment
[0023] Specific implementation manner 3: This implementation manner further illustrates the first implementation manner. The DA conversion module 2 is implemented by a 14-bit or 16-bit DA chip. This embodiment provides a specific model: the 14-bit DA chip MAX5170 of Maxim.
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