Absolute encoder circuit with controller local area network bus
A local area network bus and controller technology, applied in telephone communication, electrical components, data exchange through path configuration, etc., to achieve the effect of good openness and flexible communication methods
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[0016] The present invention is implemented according to the circuit structure shown in FIG. 2 . Wherein the light source 5 adopts an infrared light-emitting diode; the code disc 6 adopts a code disc and a slit matching structure, and the number of digits is determined according to needs; the amplification and data processing circuit 7 adopts the LM2902 amplifier produced by National Semiconductor Corporation of the United States and the MAX114 A / D of Maxim Corporation of the United States Converter; MCU 8 adopts American Intel N80C196KC MCU; controller LAN bus 9 adopts Dutch Philips SJA1000; output photoelectric isolator 10 and input photoelectric isolator 11 adopt American 6N137 device; input / output driver 12 adopts Dutch Philips the TJA1050 device.
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