In commercial absolute encoders there are several techniques for transmission of absolute encoder data, including parallel binary,analog current, analog voltage, PWM, SSI, BiSS interface, ISI, Profibus, Profinet, Ethernet Powerlink, EtherNet TCP/IP, Modbus,DeviceNet, CANopen, EtherCAT, Endat and Hiperface, depending on the manufacturer of the device.
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