The XL4s linear amplifier is designed for closed-loop servo control of voice coil and single-phase motors, eliminating the nonlinearities common with PWM amplifiers. The amplifier provides deterministic behavior, auto-identification and easy software setup and features a multicore, double-precision, floating-point DSP that controls the digital PID. All parameters are software-settable, including control-loop gains and system safety functions. The unit helps to achieve long-term thermal stability and submicron-level tracking accuracy with features such as full state feed-forward, 192-kHz servo rates and look-ahead-based velocity control. It can be panel-mounted in a machine enclosure.
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