Posted to News on 19th Nov 2008, 00:00
Brushless DC motors integrate speed control electronics
Mclennan Servo Supplies has released a new miniature brushless DC motor with integral drive electronics for precision speed control from Allied Motion/Premotec. Measuring just 32mm diameter with a nominal length of 42mm, the compact BL30 EB delivers an output torque of 30mNm at 3500 rpm with an 11W power output rating.
The motor's outer rotor design ensures minimal cogging and a high-load bearing system and IP54 protection sealing makes it an ideal choice for applications where compact design, long life and high performance is essential. The BL30 EB includes an integrated speed control loop with a speed-set input to adjust the motor speed from 200 to 5000 rpm. Available in CW and CCW variants with 12V DC or 24V DC supply, a two-wire version operates from a simple DC voltage and the four-wire alternative includes an 18 pulse per rev tachometer output for speed monitoring.
The motor fully complies with EN 55014 for EMC and protection is included for reverse supply voltage and thermal overload with automatic recovery.
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