Sensorless control for multiple motor types

Hillsboro, Ore.— SpindleBlok Drive Module (SDM) versions are now available for use with ac induction, brushless servo and brushless dc motors. It runs virtually any three-phase motor from 1 to 20 hp without a sensor. SDM can be interfaced with machine mounted operator stations (0-10 V dc) or PC machine controllers (voltage input mains from 110 to 480 V ac. www.semipower.com Semipower Systems Inc

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