Device for transmitting encoder signals through optical fiber communication
A technology of optical fiber communication and encoder, which is applied in the field of encoder, can solve the problems that the transmission line is susceptible to electromagnetic interference, the output signal waveform is unstable, and the power supply voltage is reduced, so as to achieve the possibility of reducing interference, short transmission delay, and simple configuration Effect
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[0015] refer to figure 1 , the present invention is a device for transmitting encoder signals through optical fiber communication. The device has independent and identical encoder signal conversion unit 1 and encoder signal conversion unit 2, hereinafter referred to as conversion unit 1 and conversion unit 2, as well as optical fiber TX and Fiber RX. The hardware of the conversion unit mainly includes optocouplers O1, O2, O3, programmable logic device CPLD, level conversion driver chips IC1, IC2, IC3, and optical fiber socket. The specific implementation is as follows:
[0016] Connect the encoder power supply and output signal cables to terminal T1 of the conversion unit 1. The transmitting fiber base T3 of conversion unit 1 is connected to the receiving fiber base T4 of conversion unit 2 through an optical fiber TX, and the receiving fiber base T4 of conversion unit 1 is connected to the transmitting fiber base T3 of conversion unit 2 through an optical fiber RX. Connect ...
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