General Description The D30/15/4Q-E1 is a small 4-quadrant digital controller for the control of brushless motor up to 450 W, equipped with digital hall sensors. Features: • Digital speed control - operates as «closed loop» speed controller • Maximum speed 60,000 rpm (motor with 2 poles) • Set value input through external analogue voltage • Set value input through external PWM 200 Hz • Direction of rotation preset by a digital signal • The output stage can be enabled or disabled • Motor speed monitoring via «FG» output • Status indication via «Ready» output • Motor blocked protection (current limit for blocked motor) • Protection: over-voltage, under-voltage, motor block, short-circuit • The built-in shunt regulator is designed to limit the supply voltage of the controller • Compact aluminum housing (110 x 80 x 34 mm) compliant