---
title: Speed Control Motors | FAQ / KnowledgeBase
description: Speed Control Motors
---

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1. [FAQ / KnowledgeBase](https://faq.orientalmotor.com/)
2. [Speed Control Motors](https://faq.orientalmotor.com/speed-control-motors)

# Speed Control Motors

- [What applications are BLDC motors best used for?](https://faq.orientalmotor.com/what-applications-are-bldc-motors-best-used-for)
- [What is the feedback system used for speed control on the DSC and US2 AC speed control series?](https://faq.orientalmotor.com/what-is-the-feedback-system-used-for-speed-control-on-the-dsc-and-us2-ac-speed-control-series)
- [I am using the DSC series and an alarm code beginning with AL is displayed on the front panel of the speed controller. What is the meaning of this alarm code?](https://faq.orientalmotor.com/i-am-using-the-dsc-series-and-an-alarm-code-beginning-with-al-is-displayed-on-the-front-panel-of-the-speed-controller.-what-is-the-meaning-of-this-alarm-code)
- [Can I set acceleration/deceleration on the BMU series?](https://faq.orientalmotor.com/can-i-set-acceleration/deceleration-on-the-bmu-series)
- [I connected the external operation signal FWD input/REV input to the BMU series and turned the input ON, but it doesn't work. Why doesn't it work?](https://faq.orientalmotor.com/i-connected-the-external-operation-signal-fwd-input/rev-input-to-the-bmu-series-and-turned-the-input-on-but-it-doesnt-work.-why-doesnt-it-work)
- [Is the output voltage of the tachogenerator wire of the AC speed control motor (6 to 90W) DC or AC? Also, what is the voltage level?](https://faq.orientalmotor.com/is-the-output-voltage-of-the-rate-generator-wire-of-the-ac-speed-control-motor-6-to-90w-dc-or-ac-also-what-is-the-voltage-level)
- [I am using the BMU series and the message "AL30" is displayed on the front panel of the driver. What does AL30 mean?](https://faq.orientalmotor.com/i-am-using-the-bmu-series-and-the-message-al30-is-displayed-on-the-front-panel-of-the-driver.-what-does-al30-mean)
- [The alarm LED on the MSC series speed control motor unit is flashing twice. What is the cause?](https://faq.orientalmotor.com/the-alarm-led-on-the-msc-series-speed-control-motor-unit-is-flashing-twice.-what-is-the-cause)

See less ▼

- [αSTEP Step-Servo](https://faq.orientalmotor.com/%CE%B1step-step-servo)
- [Stepper Motors](https://faq.orientalmotor.com/stepper-motors)
- [Speed Control Motors](https://faq.orientalmotor.com/speed-control-motors)
- [Linear / Rotary Actuators](https://faq.orientalmotor.com/linear-rotary-actuators)
- [AC Gearmotors](https://faq.orientalmotor.com/ac-gearmotors)
- [Industrial Robots](https://faq.orientalmotor.com/industrial-robots)
- [Cooling Fans](https://faq.orientalmotor.com/cooling-fans)
- [Controllers / Drivers](https://faq.orientalmotor.com/controllers-drivers)
- [Software](https://faq.orientalmotor.com/software)
- [Networking](https://faq.orientalmotor.com/networking)
- [General](https://faq.orientalmotor.com/general)
- [Servo](https://faq.orientalmotor.com/servo)
- [Cleanroom](https://faq.orientalmotor.com/cleanroom)

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