1. Úvod
This manual provides detailed instructions for the installation, operation, and maintenance of the Aideepen PWM DC Motor Speed Controller, Model BLM-30A. This device is designed to control the speed of DC motors by adjusting the Pulse Width Modulation (PWM) signal. It features a wide input voltage range, high current capacity, and a clear LED display for precise speed monitoring.
Klíčové vlastnosti:
- Odolná konstrukce: Manufactured from robust materials for enhanced durability and wear resistance.
- Snadná instalace: Equipped with screw terminals for convenient and quick wiring.
- LED digitální displej: Zobrazuje otáčky motoru v procentechtage of the maximum speed, allowing for easy data reading.
- Wide Voltage Rozsah: Supports DC input voltages from 6V to 60V, compatible with 12V, 24V, 36V, and 48V power supplies.
- High Output Current: Provides an adjustable output current from 0A to 30A.
- Stabilní výkon: Features an instant start/stop switch and a rotary potentiometer for reliable and precise speed control.
2. Bezpečnostní informace
Před instalací nebo provozem tohoto zařízení si prosím přečtěte a pochopte všechny bezpečnostní pokyny. Nedodržení těchto pokynů může vést k úrazu elektrickým proudem, požáru nebo vážnému zranění.
- Před zahájením jakéhokoli zapojení se ujistěte, že je odpojeno napájení.
- Ověřte, že vstupní objemtage and current ratings match the specifications of the controller and your motor.
- Do not exceed the maximum rated current of 30A.
- Install the controller in a dry, well-ventilated area, away from flammable materials.
- Avoid short circuits during wiring and operation.
- This device is intended for DC motors only. Do not connect to AC power.
3. Konec produktuview
The Aideepen PWM DC Motor Speed Controller features a compact design with an intuitive interface.

Obrázek 3.1: Přední strana view of the speed controller, highlighting the LED display, SET button, PWM OUT indicator, and the multi-function rotary knob for speed adjustment and start/stop control.

Figure 3.2: Close-up of the LED digital display, which indicates the motor speed as a percentage.

Figure 3.3: Close-up of the rotary knob, used for adjusting speed and initiating motor start/stop functions.
4. Specifikace
| Parametr | Hodnota |
|---|---|
| Číslo modelu | BLM-30A (A7XI0023) |
| Vstupní objemtage Dosah | DC 6V - 60V |
| Výstupní proud | 0A - 30A (Continuous current: 20A) |
| Rozsah rychlosti | 0 % - 100 % |
| Typ ovládání | Řídicí proud |
| Řídicí frekvence | 15 kHz |
| Způsob úpravy | Potentiometer (Rotary Knob) |
| Typ zapojení | Šroubový terminál |
| Rozměry produktu (D x Š x V) | 9 x 6 x 3.5 cm (přibližně 3.54 x 2.36 x 1.38 palce) |
| Hmotnost | 100 gramů |
5. Nastavení a instalace
Follow these steps to correctly install and wire your motor speed controller.
Pokyny pro zapojení:

Figure 5.1: Wiring diagram illustrating the connection points for power input and motor output.
- Příkon: Connect your DC power supply to the terminals labeled 'Input positive 6-60V' (positive) and 'negative power supply' (negative). Ensure the voltage je v rozsahu 6V-60V DC.
- Výkon motoru: Connect your DC motor to the terminals labeled 'motor positive' (positive) and 'motor negative' (negative).
- Zabezpečená připojení: Tighten all screw terminals to ensure a secure and stable connection. Loose connections can cause overheating or malfunction.
Always double-check your wiring before applying power to prevent damage to the controller or motor.

Figure 5.2: Detail of the screw terminals for power and motor connections.
6. Návod k obsluze
Once the controller is correctly wired and powered on, you can begin operating your DC motor.
- Zapnutí: Apply power to the controller. The LED display will illuminate, showing the current speed percentage.
- Start/Stop Function: The rotary knob also functions as a start/stop switch. A short press of the knob will start or stop the motor.
- Nastavení rychlosti: Rotate the knob clockwise to increase the motor speed and counter-clockwise to decrease it. The LED display will show the speed as a percentage (0-100 %).
- Setting Mode (Advanced): A long press of the rotary knob will enter the setting mode for advanced parameters. Refer to specific product documentation or manufacturer support for details on advanced settings if needed.

Figure 6.1: Controller interface with labels for function, parameter value, and rotary knob operation.
7. Údržba
To ensure the longevity and optimal performance of your Aideepen PWM DC Motor Speed Controller, follow these maintenance guidelines:
- Čištění: Periodically clean the exterior of the controller with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Inspekce: Regularly inspect the wiring connections for any signs of looseness, corrosion, or damage. Tighten connections as needed.
- Větrání: Ujistěte se, že větrací otvory nejsou zakryty, aby nedošlo k přehřátí.
- Skladování: If storing the controller for an extended period, keep it in a dry, dust-free environment.
8. Řešení problémů
If you encounter issues with your motor speed controller, refer to the following troubleshooting guide:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Motor se nespustí | No power supply; Incorrect wiring; Motor in stop mode; Faulty motor. | Zkontrolujte připojení napájení a napětí napájenítage; Verify wiring according to Figure 5.1; Short press the rotary knob to start the motor; Test motor independently. |
| Motor speed cannot be adjusted | Rotary knob malfunction; Controller fault. | Ensure the knob rotates freely; If issue persists, contact support. |
| LED display is off or flickering | No power; Low input voltage; Loose connection. | Check power supply; Ensure input voltage is within 6-60V; Inspect and tighten all wiring connections. |
| Ovladač se přehřívá | Overload; Poor ventilation; Short circuit. | Reduce motor load; Ensure adequate airflow around the controller; Check for short circuits in wiring. |
9. Záruka a podpora
Information regarding specific warranty terms and conditions for the Aideepen PWM DC Motor Speed Controller is not available in this document. For warranty claims, technical support, or further assistance, please contact your retailer or the manufacturer directly through their official support channels.
Please have your product model (BLM-30A) and purchase details ready when contacting support.