XY7025S CNC DC Buck Boost Converter User Manual

1. Pengenalan

The XY7025S is a high-performance CNC DC Buck Boost Converter designed for laboratory and charging applications. It functions as a constant voltage and constant current power regulator, capable of handling up to 25A and 1750W. Key features include MPPT solar charging support, external temperature probe for over-temperature protection, and a user-friendly 1.8-inch full-view high-brightness true color LCD.

2. Amaran Keselamatan Penting

• Perlindungan Sambungan Terbalik: This product does NOT have output reverse connection protection. Reversing the positive and negative terminals of the battery or load will damage the device. Always double-check polarity before connecting.
• Pengecasan Bateri: Battery charging requires specific professional knowledge. Non-professionals should NOT attempt to charge batteries directly with this device without proper understanding and safety measures to prevent fire and explosion.
• Anti-Backflow Diode: When charging rechargeable batteries, an external anti-backflow diode MUST be connected to the output terminal to prevent current from flowing back into the converter, unless you are a professional and understand the implications of not using one.
• Pengudaraan: Pastikan pengudaraan yang mencukupi semasa operasi untuk mengelakkan terlalu panas.
• Penarafan Kuasa: Jangan melebihi vol input maksimumtage, output current, or output power ratings specified in the technical specifications.

3. Ciri-ciri Produk

• Julat Input/Output yang Luas: Masukan voltage 12-85V, Output voltage 0-70V, Output current 0-25A.
• Output Kuasa Tinggi: Up to 1750W.
• MPPT Functionality: Supports Maximum Power Point Tracking for efficient solar charging.
• Siasatan Suhu Luaran: Provides over-temperature protection for connected batteries, automatically stopping charging if temperature limits are exceeded.
• Pemalar Voltage (CV) & Constant Current (CC) Modes: Precise control over output parameters.
• Penyimpanan Data: 10 groups of user-defined settings can be stored and recalled.
• Paparan Lanjutan: 1.8 inci Penuh-View High-Brightness True Color LCD with customizable color schemes and 4-way rotation support.
• Komunikasi: Supports standard Modbus protocol for serial communication, including independent dual serial ports, TTL, and on-board RS485 communication.
• Penyejukan yang cekap: Intelligent Temperature-Controlled Fan with large-area heat sinks.
• Low Ripple Output: Achieved through input common-mode inductors and output 2-stage penapisan.
• Reka Bentuk Teguh: Employs high-power, high-temperature iron-silicon-aluminum magnetic ring inductors.
• Peningkatan Firmware: Supports future firmware updates.

4. Spesifikasi Teknikal

5. Komponen Selesaiview

The XY7025S consists of a main circuit board and a display unit. Below are the key components and their functions:

• IN+/IN-: Input terminals for connecting the power source (e.g., solar panel, DC power supply).
• OUT+/OUT-: Output terminals for connecting the load or battery.
• Power Switch (hard switch ON/OFF): Physical switch to turn the entire unit on or off.
• MPPT Hardware Switch: Activates the MPPT function; an indicator light illuminates when active.
• NTC Temperature Probe Interface: Port for connecting the external temperature probe.
• Intelligent Temperature-Controlled Fan: Automatically adjusts speed based on internal temperature to ensure optimal cooling.
• Input Common-Mode Inductors: Reduce input power ripple for a stable output.
• Output 2-StagPenapisan e: Further refines the output for cleaner power delivery.

• VSET Button: Short press to set Constant Voltage (CV). Long press to quickly recall data set M1.
• Butang SW: Short press to enter quick settings. Long press to enable four-way screen rotation.
• ISET Button: Short press to set Constant Current (CC). Long press to enter or exit the data group settings UI.
• Butang Pengekod: Short press to shift between parameters. Long press to lock/unlock the buttons.
• Power Button (ON/OFF on display): Short press to turn power output on/off. Long press to shut down the device.

6. Persediaan dan Pemasangan

Ikuti langkah ini untuk pemasangan yang selamat dan betul:

1. Sambungkan Kuasa Input: Connect your DC power source (e.g., 12-85V DC supply, solar panel) to the IN+ and IN- terminals. Ensure correct polarity.
2. Connect Output Load/Battery: Connect your load or battery to the OUT+ and OUT- terminals.
3. Anti-Backflow Diode (for Battery Charging): If charging a rechargeable battery, and you are not a professional, connect an appropriate anti-backflow diode in series with the OUT+ terminal to prevent reverse current flow.
4. Connect External Temperature Probe (Optional): For over-temperature protection during battery charging, connect the NTC temperature probe to the dedicated interface and attach the probe to the battery.

WARNING: Ensure all connections are secure and correct before applying power. Incorrect wiring can damage the device and connected equipment.

7. Arahan Operasi

7.1 Operasi Asas

1. Hidupkan kuasa: Flip the hard power switch (ON/OFF) on the main circuit board. The LCD display will light up.
2. Turn Output On/Off: Short press the green ON/OFF button on the display unit to enable or disable the power output.
3. Set Voltage (CV Mode): Short press the 'VSET' button. Use the encoder to adjust the desired output voltage. Short press the encoder to confirm or move to the next digit.
4. Set Current (CC Mode): Short press the 'ISET' button. Use the encoder to adjust the desired output current limit. Short press the encoder to confirm or move to the next digit.
5. Tutup: Long press the green ON/OFF button on the display unit to shut down the device.

7.2 Fungsi Lanjutan

• Fungsi Kunci: To prevent accidental changes, long press the encoder button for more than 2 seconds to lock the buttons. Repeat the long press to unlock.
• Quickly Recall Data Sets:
  • To quickly load data set M1, long press the 'VSET' button.
  • To access the data set selection window, long press the 'ISET' button. Rotate the encoder to choose the desired data set (M0-M9). Then, either long press 'ISET', briefly press 'SW', or briefly press the encoder to load the selected data set. The display will show the currently loaded data set.
• Adjust System Parameters:
  • On the main screen, briefly press the 'SW' button to select a status bar parameter.
  • Rotate the encoder to switch between different parameters.
  • Briefly press the 'SW' button again to adjust the parameter or open the parameter setting interface.
  • Use the encoder to set the value.
  • To save and exit, either hold the 'SW' button, hold the encoder button, or wait 6 seconds without any button press. All settings are saved automatically.
• MPPT Indicator: When the MPPT function is active, the 'P' indicator on the display will light up.
• Putaran Skrin: Long press the 'SW' button to enable four-way screen rotation.

8. Petua Pengguna

• Always start with lower voltage and current settings when connecting a new load or battery to avoid damage.
• Utilize the data storage groups (M0-M9) to save frequently used voltage and current settings for quick recall.
• For critical applications, regularly monitor the external temperature probe readings to ensure safe operating conditions, especially during prolonged charging cycles.
• Familiarize yourself with the lock function to prevent accidental parameter changes during operation.

9. Penyelesaian masalah

• Tiada Kuasa/Paparan:
  • Check if the hard power switch on the main board is ON.
  • Verify input power connections and ensure the input voltage berada dalam julat 12-85V.
• Tiada Output:
  • Ensure the output is enabled by short pressing the green ON/OFF button on the display.
  • Check output connections to the load/battery.
  • Verify that the set output voltage and current are appropriate for the load.
• Device Damage After Battery Connection:
  • This often indicates reverse polarity connection. Refer to safety warnings regarding output reverse connection protection.
• Charging Stops Unexpectedly (with temperature probe):
  • The external temperature probe may have detected an over-temperature condition. Check the battery temperature and ensure proper cooling.
• Bacaan Tidak Tepat:
  • Pastikan semua sambungan adalah ketat dan bebas daripada kakisan.
  • Recalibration may be necessary if persistent inaccuracies are observed (refer to advanced settings or contact support).

10. Penyelenggaraan

• Pembersihan: Pastikan peranti bersih dan bebas daripada habuk. Gunakan kain lembut dan kering untuk pembersihan. Jangan gunakan pembersih cecair.
• Persekitaran: Operate and store the device in a dry, well-ventilated area, away from direct sunlight, high temperatures, and corrosive gases.
• Pengudaraan: Ensure the cooling fan and heat sinks are not obstructed to maintain proper airflow.
• Sambungan: Periodically check all input and output connections for tightness and signs of wear.

11. Waranti dan Sokongan

For any issues, technical support, or warranty claims, please contact the seller or manufacturer directly. Provide your product model (XY7025S) and a detailed description of the problem to facilitate assistance.