Abstract
Distributed electrode switching device is an important part of high density resistivity instrument, and its performance will directly affect the usage of high density resistivity instrument in field work. This thesis introduces a design method of distributed electrode switching device. The device utilizes MCU to control magnetic latching relays to switch, and thus controls electrodes to switch automatically. It also utilizes RS485 chips to complete communication with adjoining electrode switching circuits. In order to test the device, this thesis introduces a software design method and the device turns out to be low power, small size and high reliable.
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