... 1-10000mssurveillance function rotating speed , introduction pulse accumulate ,motor torque , motor current, rotor's location, introduction, pulse frequency, operating ... electrical machinery inertia five times 90 Flange ac servo motor motor model90ST-M0242090ST-M0243090ST-M03520 Rated power (KW)0.50 ... Inductance (mH)11.87.29.7Machanical time-constant (ms)1.972.062.39Weight(Kg)2.83.4 3. ...