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Industry news
2011-01
28
Meter reading system
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Wireless meter reading system points two kinds of ways and cable meter reading way.

Cable way 485 transmission mode and M - BUS transport two kinds. 485 the main characteristic of transmission mode is four lines (two power cords, two signal lines), the polarity of the need to distinguish between line; The main characteristics of the M - BUS transport is two wires, as it did on the power supply and load signal, and two wires polarity.

 

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