Does USB change M BUS follows quick -witted circuit module

The utility model relates to a does USB change M BUS follows quick -witted circuit module, including non - isolated form mbus circuit, USB interface circuit, USB interface circuit integrated power circuit and communication circuit, non - isolated form MBUS circuit passes through the interconversion that TSS721A realized TTL level and MBUS signal, USB interface circuit integrateed power supply circuit and communication circuit, the 5V voltage that can directly use the computer USB interface to provide provides operating voltage for this product, need not prepare external power supply alone, the size is small, convenient carrying. The communication circuit passes through CH340G and realizes that USB changes the serial ports, can realize debugging facility and control function to equipment. 本实用新型涉及种USB转M-BUS从机电路模块，包括非隔离型Mbus电路、USB接口电路，USB接口电路集成电源电路和通讯电路，非隔离型MBUS电路通过TSS721A实现TTL电平和MBUS信号的相互转换，USB接口电路集成了电源电路和通讯电路，可直接使用电脑USB接口提供的5V电压为本产品提供工作电压，不用单独准备外接电源，具有体积小，携带方便等优点。通讯电路通过CH340G实现USB转串口，可以实现对设备的调试功能和控制功能。