HANMATEK HM305T Programmable DC Power Supply Instruction Manual

1. Uvod

This manual provides detailed instructions for the safe and efficient operation of your HANMATEK HM305T Programmable DC Power Supply. The HM305T is a high-precision, adjustable DC power supply designed for laboratory, research, and repair applications, offering stable and reliable power output.

Figure 1: HANMATEK HM305T Programmable DC Power Supply overview, highlighting key features such as overvoltage protection, overcurrent protection, and intelligent temperature control.

2. Ključne karakteristike

The HANMATEK HM305T is equipped with advanced features to ensure precision, safety, and versatility:

• High Precision Output: Provides adjustable voltage from 0-30V and current from 0-5A, with a resolution of 10mV and 1mA.
• Four-Digit Display: Simultaneously displays output voltage, current, power, and time with high accuracy.
• Višestruke zaštitne funkcije: Uključuje prekomjerni volumentage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short-Circuit Protection.
• Programabilna kontrola: Connects to a PC via USB for software control and programming functions.
• Dvostruki USB portovi za punjenje: Front-panel 5V 1.5A USB ports for convenient device charging.
• Memorijska pohrana: Six groups of parameter shortcut keys (M1-M6) for quick recall of frequently used settings.
• Inteligentni ventilator za hlađenje: Automatically adjusts fan speed based on temperature to maintain optimal operating conditions.
• Prekidač za uključivanje/isključivanje izlaza: One-key control for output, allowing pre-setting of values before activation.
• Zaključavanje tastature: Sprečava slučajne promjene postavki tokom rada.

Figure 2: The HM305T features a high-precision four-digit display for voltage, current, and power, shown alongside other measurement devices for comparison.

3. Sadržaj paketa

Prilikom raspakivanja provjerite da li se u paketu nalaze svi artikli:

• HANMATEK HM305T Programmable DC Power Supply
• Power Cable
• USB komunikacijski kabel
• Test Leads (Alligator clips)
• Uputstvo za upotrebu
• Software CD (for PC control)

Figure 3: All items included in the HANMATEK HM305T package, neatly arranged.

4. Proizvod je gotovview i kontrole

Familiarize yourself with the front and rear panels of the power supply.

Figure 4: Detailed diagram of the HM305T's front and rear panels, indicating the location and function of all controls and ports.

Kontrole na prednjoj ploči:

• Voltage Displej: Prikazuje izlaznu jačinu zvukatage.
• Trenutni prikaz: Prikazuje izlaznu struju.
• Power/Menu/Status Display: Shows output power, menu options, or status.
• Time/Status Display: Shows output time or status.
• Voltage Setting Key (U_CV): Press to adjust voltage.
• Current Setting Key (I_CC): Press to adjust current.
• Rotating Jog Wheel: Used to adjust values when setting voltage ili struja.
• Over Voltage Setting Key (OVP): Sets the overvoltage granica zaštite.
• Over Current Setting Key (OCP): Sets the overcurrent protection limit.
• Output On/Off Switch: Prebacuje/isključuje izlaznu snagu.
• Memory Shortcut Keys (M1-M6): Store and recall up to six sets of voltage i trenutni parametri.
• List Next/Mode Key: Navigates through lists or changes modes.
• ESC/Keyboard Lock Key: Exits menu or locks/unlocks the keyboard.
• Dual USB Output Charging Key (5V/1.5A): Activates the front USB charging ports.
• Izlazni priključci: Positive (+), Negative (-), and Ground (GND) connections for load.

Komponente stražnje ploče:

• ventilator za hlađenje: Dissipates heat from the unit.
• USB komunikacijski interfejs: Connects to a PC for software control.
• Ulaz za izmjeničnu struju: Connects the power supply to the mains electricity.
• Držač osigurača: Sadrži zaštitni osigurač.

5. Podešavanje

1. plasman: Postavite napajanje na stabilnu, ravnu površinu s odgovarajućom ventilacijom. Osigurajte da ventilator za hlađenje na stražnjoj strani nije blokiran.
2. Priključak za napajanje: Connect the provided AC power cable to the AC Power Input on the rear panel and then to a suitable mains power outlet.
3. USB priključak (opciono): For PC control, connect the provided USB communication cable from the USB Communication Interface on the rear panel to your computer. Install the software from the included CD or download the latest version from the HANMATEK website.
4. Početno uključivanje: Press the Power Button on the front panel to turn on the unit. The display will illuminate.

6. Uputstvo za upotrebu

6.1 Podešavanje Voltage i struja

1. Ensure the output is OFF (Output button LED is off).
2. Pritisnite U_CV (Voltage Setting) key. The voltage display will start blinking.
3. Rotirajte Rotating Jog Wheel to adjust the desired voltage. Press the jog wheel to move between digits for fine adjustment.
4. Pritisnite I_CC (Current Setting) key. The current display will start blinking.
5. Rotirajte Rotating Jog Wheel to adjust the desired current limit. Press the jog wheel to move between digits.
6. Once settings are complete, press the Izlaz button to enable the power output. The Output button LED will illuminate.

6.2 Using Memory Functions (M1-M6)

Figure 5: The memory buttons (M1-M6) allow for quick storage and recall of frequently used voltage i trenutne postavke.

1. To Save Settings: Podesite željeni volumentage and current. Press and hold one of the memory keys (M1-M6) for approximately 3 seconds until a confirmation beep or display change indicates the settings are saved.
2. To Recall Settings: Briefly press the desired memory key (M1-M6). The stored voltage i trenutne vrijednosti će biti učitane.

6.3 Preko VoltagZaštita od električne energije (OVP) i zaštita od preopterećenja strujom (OCP)

These functions protect your connected load from excessive voltage ili struja.

1. Setting OVP: Pritisnite OVP key. The OVP value will blink. Use the Rotating Jog Wheel to set the maximum allowable output voltage. Pritisnite OVP ponovo za potvrdu.
2. Setting OCP: Pritisnite OCP key. The OCP value will blink. Use the Rotating Jog Wheel to set the maximum allowable output current. Press OCP ponovo za potvrdu.

6.4 Zaključavanje tastature

Da biste spriječili slučajne promjene postavki, pritisnite i držite ESC/Lock key for 3 seconds to lock the keyboard. Repeat to unlock.

6.5 Using Dual USB Charging Ports

Figure 6: The front panel features two 5V 1.5A USB ports for convenient charging of external devices.

Connect your USB-powered devices to the 5V/1.5A USB ports on the front panel. These ports provide a fixed 5V output at up to 1.5A for charging or powering compatible devices.

6.6 Upravljanje PC softverom

Figure 7: The PC software interface allows for remote control, data logging, and advanced programming of the HM305T power supply.

Install the provided software on your computer. Connect the power supply to your PC using the USB communication cable. The software allows for remote control of voltage and current, data logging, and advanced programming functions. Refer to the software's dedicated help documentation for detailed usage instructions.

7. Održavanje

7.1 Čišćenje

Regularly clean the exterior of the power supply with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the unit is powered off and disconnected from the mains before cleaning.

7.2 Ventilator za hlađenje

Figure 8: The rear cooling fan ensures proper heat dissipation for stable operation.

Periodically check the cooling fan and its vents for dust accumulation. Use compressed air to gently clear any dust to ensure proper airflow and prevent overheating. Do not attempt to disassemble the unit to clean the fan.

7.3 Zamjena osigurača

Figure 9: The fuse holder is located on the rear panel, integrated with the AC power input.

If the unit fails to power on, the fuse may need replacement. Ensure the power supply is disconnected from the mains. Carefully remove the fuse holder from the AC power input socket using a small flat-head screwdriver. Replace the fuse with one of the same type and rating (refer to specifications for details). Reinsert the fuse holder securely.

8. Otkrivanje problema

• Nema napajanja:
  • Check if the power cable is securely connected to both the unit and the mains outlet.
  • Verify the mains outlet is functional.
  • Check and replace the fuse if necessary (refer to Section 7.3).
• No Output Voltage/Current:
  • Osigurajte Izlaz button is pressed and its LED is illuminated.
  • Check if OVP or OCP limits have been triggered. Adjust limits or reset the unit if protection is active.
  • Verify that the load is correctly connected to the output terminals.
  • Osigurajte podešenu voltage and current values are not zero.
• Netačna očitanja:
  • Ensure proper connection of test leads to the load.
  • Compare readings with a calibrated multimeter to verify accuracy. If significant discrepancies exist, contact support.
• Memory Settings Not Saving (M1-M6):
  • Ensure you are pressing and holding the memory key for approximately 3 seconds to save. A brief press will recall.
  • If issues persist, try a factory reset (refer to manual for specific procedure, if available, or contact support).
• PC Software Connection Issues:
  • Proverite da li je USB kabl dobro povezan.
  • Ensure the correct drivers are installed on your PC.
  • Check the software settings for the correct COM port selection.

9. Sigurnosne informacije

Observe the following safety precautions to prevent electric shock, injury, or damage to the unit:

• Uvijek priključite napajanje na uzemljenu utičnicu.
• Ne koristite uređaj u mokrom iliamp uslovima.
• Ne otvarajte casing of the power supply. There are no user-serviceable parts inside, and doing so voids the warranty and poses a risk of electric shock.
• Osigurajte odgovarajuću ventilaciju oko jedinice kako biste spriječili pregrijavanje.
• Ne prekoračite maksimalni voltage and current ratings of the power supply or the connected load.
• Utilize the Over Voltage Protection (OVP) and Over Current Protection (OCP) features to safeguard your circuits.
• Disconnect the power supply from the mains before performing any maintenance or connecting/disconnecting loads.
• Držite djecu podalje od uređaja.

Figure 10: The internal components of the HM305T are designed with multiple protection features including overvoltage, overcurrent, overpower, overtemperature, and short-circuit protection.

10. Specifikacije

Figure 11: Approximate dimensions of the HM305T power supply.

11. Garancija i podrška

The HANMATEK HM305T Programmable DC Power Supply comes with a standard manufacturer's warranty. For specific warranty terms, please refer to the warranty card included in your package or visit the official HANMATEK website.

For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact HANMATEK customer service through their official channels. Provide your model number (HM305T) and purchase details when contacting support.