Features include advanced current control, anti-resonance technology, torque ripple smoothing and microstep emulation. STM drive+motor units come standard with protection against over and under voltage, over-temp, motor shorts and motor open phase. They are RoHS compliant and CE certified. The STM is available in lengths of 92.4 mm with an output torque of up to 125 oz-in, or 114.4 mm with an output torque of up to 245 oz-in. They provide three digital inputs, one digital output and one analog output. Users can choose from an RS232 or RS485 communication interface and an optional 1000 line encoder.
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