General Description The D30/5/4QF-E2 is a small 4-quadrant digital controller for the control of brushless motor up to 150 W without 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 (0 ... +3.3 V) • Set value input through external PWM 200 Hz • FOC with closed-loop torque regulation • 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) • Standardized connector strip with 2.54 mm and 2 mm pitch