1. परिचय
The VOTOL EM50-4 is a high-performance programmable motor controller designed for electric scooters, supporting 48V-72V battery systems and motors ranging from 400W to 2000W. This controller features a sine wave output for smooth operation and offers extensive customization through PC programming. This manual provides essential information for the proper installation, operation, and maintenance of your EM50-4 controller.
2. तपशील
| वैशिष्ट्य | तपशील |
|---|---|
| मॉडेल | EM50-4 ECU Sine Wave Controller |
| Available Battery Voltage | 48V-72V |
| रेट केलेले डीसी वर्तमान | 40A |
| Boost DC Current | 80A |
| पीक फेज वर्तमान | 170A |
| कमाल शक्ती | 5760W |
| MOSFETs | 12 FET |
| Matched Motor Rated Power | 800W-2000W |
| कमाल कार्यक्षमता | 92% |
| जलरोधक रेटिंग | IP65 |
| Flux Weakening Ratio | 150% |
| प्रमाणन | सीई, सीसीसी |
| संवाद | हॉल सेन्सर |
| निव्वळ वजन | ३३० ग्रॅम (०.७३ पौंड) |
| परिमाण (L x W x H) | ६३ मिमी x ८८ मिमी x १ मिमी (२.४८" x ३.४६" x ०.०३") |
| प्रोग्राम करण्यायोग्य | Yes, via PC |
३.२. समाविष्ट घटक
The package for the VOTOL EM50-4 controller typically includes the following items:
- 1 x EM50-4 Controller with pre-attached function cables
- 1 x USB cable for PC programming
4. सेटअप आणि स्थापना
Proper installation is crucial for the safe and efficient operation of your EM50-4 controller. It is recommended that installation be performed by a qualified technician. Ensure the battery is disconnected before beginning any wiring procedures.
4.1 भौतिक स्थापना
Mount the controller securely in a location that provides adequate ventilation and protection from direct water exposure. The aluminum heat sink on the bottom of the controller (Image 4.1) is designed to dissipate heat, so ensure it is not obstructed.

प्रतिमा १: The VOTOL EM50-4 controller, showing its main body, attached wiring harness, and the included USB programming cable.

प्रतिमा १: तळ view of the EM50-4 controller, highlighting the aluminum heat sink fins for thermal management.

प्रतिमा १: Dimensional drawing of the VOTOL EM50-4 controller, providing measurements in millimeters for mounting purposes.
4.2 वायरिंग कनेक्शन
Refer to the following diagrams for correct wiring of the controller to your electric scooter's components. Incorrect wiring can cause damage to the controller or other electrical systems.

प्रतिमा १: क्लोज-अप view of the EM50-4 controller's wiring harness, with individual wires and connectors labeled for various functions such as throttle, brakes, and anti-theft.

प्रतिमा १: Pinout diagram illustrating the connections for the EM50-4 controller, detailing each pin's function and corresponding wire color.

प्रतिमा १: Comprehensive circuit diagram for the VOTOL EM50-4 controller, showing wiring configurations for both hub motors and mid-drive motors, including connections for various peripherals.
वायरिंगचे प्रमुख मुद्दे:
- वीज कनेक्शन: Connect the main battery positive (B+) and negative (B-) terminals to the corresponding controller inputs.
- मोटर फेज वायर्स: Connect the three phase wires from the motor to the controller's phase outputs.
- हॉल सेन्सर वायर्स: Connect the motor's Hall sensor wires to the controller's Hall sensor input.
- गळ घालणे: Connect the throttle (0-5V) signal wire, positive, and negative wires.
- ब्रेक: Connect low brake (0V) and high brake (12V) wires as per your system.
- प्रज्वलन: Connect the ignition wire to the vehicle's ignition switch.
- Learning Wires: Two learning wires are provided to assist in motor phase angle detection. Connect them temporarily during initial setup to allow the controller to learn the motor's phase angle, then disconnect.
- इतर कार्ये: Connect wires for reverse, one-LIN/Hall speed sensor, program port, three-speed switch, sport mode, parking, anti-theft, and regen charge as required by your setup.
5. ऑपरेशन
5.1 Default Functions
The EM50-4 controller comes with the following default functions enabled:
- Hall Plug
- उलट
- Low Brake (0V)
- Throttle (0-5V)
- High Brake (12V)
- प्रज्वलन
- One-LIN/Hall Speed Sensor
- कार्यक्रम पोर्ट
- तीन गती
- स्पोर्ट मॉडेल
- पार्किंग
- विरोधी चोरी
- Regen Charge
- Flux Weaken Current
४.२.२ पीसी प्रोग्रामिंग
The EM50-4 controller is fully programmable via a PC using the provided USB cable. This allows for fine-tuning of various parameters to match your motor and riding preferences. The programming interface typically includes settings for:
- बॅटरी व्हॉल्यूमtage limits (overvoltage, undervoltage)
- Current limits (busbar current, phase current)
- थ्रोटल व्हॉलtagई सेटिंग्ज
- Start torque and rate of rise
- Brake settings
- गती मोड
- Flux weakening parameters
Connect the controller to your PC using the USB cable. Open the programming software (not included, typically provided by the manufacturer or seller) and follow the on-screen instructions to adjust parameters. Always save your current configuration before making significant changes.

प्रतिमा १: Screenshot of the PC programming interface for the VOTOL EM50-4 controller, showing various adjustable parameters and settings.
6. देखभाल
The VOTOL EM50-4 controller is designed for durability and requires minimal maintenance. However, adhering to the following guidelines can extend its lifespan:
- नियमित तपासणी: सर्व वायरिंग कनेक्शन घट्टपणा आणि झीज किंवा गंजण्याच्या लक्षणांसाठी वेळोवेळी तपासा.
- स्वच्छता: Keep the controller free from dust, dirt, and moisture. Use a dry, soft cloth for cleaning. Avoid using harsh chemicals or solvents.
- वायुवीजन: Ensure the controller's mounting location allows for adequate airflow around the heat sink to prevent overheating.
- ओव्हरलोडिंग टाळा: कंट्रोलरला त्याच्या निर्दिष्ट व्हॉल्यूममध्ये चालवा.tage आणि वर्तमान मर्यादा नुकसान टाळण्यासाठी.
7. समस्या निवारण
If you encounter issues with your EM50-4 controller, consider the following common troubleshooting steps:
- शक्ती नाही: Check battery connections, ignition switch, and main power fuses. Ensure the battery voltage is within the controller's operating range (48V-72V).
- मोटर प्रतिसाद देत नाही: Verify throttle connections and functionality. Check motor phase wire connections and Hall sensor connections. Ensure the motor's Hall sensors are functioning correctly.
- अनियमित ऑपरेशन: Inspect all wiring for loose connections or shorts. Ensure no water or moisture has entered the controller. If recently programmed, revert to a known working configuration or default settings.
- जास्त गरम होणे: Check for obstructions around the controller's heat sink. Reduce continuous high-power operation if possible. Ensure the motor is not drawing excessive current.
- प्रोग्रामिंग समस्या: Ensure the correct USB cable is used and drivers are installed on your PC. Verify the programming software is compatible with your controller model.
For persistent issues, consult a qualified technician or contact the product support for assistance.
8. हमी आणि समर्थन
Specific warranty terms and conditions are typically provided by the seller or manufacturer at the time of purchase. Please refer to your purchase documentation for details regarding warranty coverage and duration.
For technical support, troubleshooting assistance beyond this manual, or inquiries about replacement parts, please contact the retailer or manufacturer directly. Have your product model number (EM50-4) and purchase information ready when seeking support.