Water meter, with M_bus data remote transmission function, used for tiered pricing
A step-by-step pricing and water meter technology, which is applied to coin-operated equipment for rental items, coin-free or similar appliances, and handling coins or valuable banknotes, etc., which can solve unfavorable scientific management and instruments without energy management , Low efficiency of manual meter reading, etc.
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0023] A water meter with M_bus bus data remote transmission function for ladder pricing, which includes a water meter substrate, a water meter chip computer, a clock module connected to the water meter chip computer, a flow sensor measurement circuit, a radio frequency card communication circuit, a UART serial port communication circuit and an actuator , the UART serial port of the water meter chip computer is connected with the upper-level M_bus concentrator through the UART serial port communication circuit, the radio frequency card communication circuit is connected with the user's radio frequency IC card inductively, the radio frequency card communication circuit is connected with the corresponding signal end of the water meter chip computer, and the water meter chip computer The control signal output end is connected with the control signal input e...
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