Abstract
Problems of coal level measuring device, such as low accuracy and big error, make it difficult to monitor the real level of the coal in mugua mine, LvLiang, Shanxi. An automatic monitoring system consists of the SITRANS LR 460 radar coal level meter, S7-300 series PLC and configuration software is designed in this paper. By displaying the information of coal with the WinCC configuration management software in real time, functions such as automatic detection of the bunker level, overrun alarm are realized. The experimental results show that the SITRANS LR 460 has higher accuracy and stability under the high dust environment.
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