Absolute encoder output signal has a parallel output, serial output, bus output, transmitter output, integrated, low number of single-turn encoders are generally parallel with the output signal, and the high number and multi-turn encoder output signal without parallel signal (parallel signal cables and more error-prone code easily damaged), typically a serial or bus output. The most common is where the serial clock synchronous serial signal (SSI); bus is the most common type PROFIBUS-DP, there are other DeviceNet, CAN, Interbus, CC-link, etc; transmitter output integrated and easy to use, but accuracy be sacrificed.
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