ITECH IT6721

Manual d'usuari de la font d'alimentació de CC variable ITECH IT6721

Model: IT6721

1. Introducció i finalview

This manual provides essential information for the safe and efficient operation of the ITECH IT6721 Variable DC Power Supply. The IT6721 is a digital-control lab bench power supply offering adjustable voltage and current outputs, designed for a wide range of applications in electronics, research, and education.

ITECH IT6721 Variable DC Power Supply front view

Figure 1: ITECH IT6721 Variable DC Power Supply

Característiques principals:

  • Control digital: Vol. De sortidatage: 0~60V, Output Current: 0~8A, Power: 0~180W. Resolution: 0.01V/0.001A.
  • CC/CV Automatic Conversion: Seamless switching between constant voltage and constant current modes.
  • High Reliability Protection: Equipped with Over Current Protection (OCP), Over Voltagprotecció contra e (OVP) i protecció contra sobretemperatura (OTP).
  • Àmplia gamma d'aplicacions: Suitable for various testing needs, providing flexible Volt/Amp combinations within rated power.
  • Funció de memòria: Allows saving and recalling frequently used settings.

Aplicacions:

  • Aging test of power modules, display boards, DC contacts, and fuses.
  • Various consumer electronics testing.
  • Low-power battery charging tests.
  • Auxiliary power supply (12V/24V or 48V).
  • Electronic water pump/fuel pump and other low power product tests.
  • Suitable for university laboratories, testing, and certification authorities.
Diagram showing various applications of the power supply

Figura 2: Mésview of typical applications for the ITECH IT6721

2. Informació de seguretat

Please read and understand all safety instructions before operating the device. Failure to comply with these instructions may result in electric shock, fire, or damage to the product.

  • Connecteu sempre la font d'alimentació a una presa de corrent amb connexió a terra.
  • No opereu en mullat o damp condicions.
  • Assegureu-vos de ventilar correctament per evitar el sobreescalfament. No bloquegeu les reixetes de ventilació.
  • No obriu la c.asing; no hi ha peces a l'interior que l'usuari pugui reparar. Demaneu el servei tècnic a personal qualificat.
  • Verifiqueu el volum d'entradatage settings (110V/220V) match your local power supply before connecting.
  • Use only the specified power cord and accessories.
  • Disconnect power before making any connections or disconnections to the output terminals.

3. Contingut del paquet

En desembalar, comproveu que tots els elements que s'enumeren a continuació siguin presents i no estiguin danyats:

  • ITECH IT6721 Bench Power Supply x 1
  • Cable d'alimentació x 1
  • Ex-factory Test Report x 1

If any items are missing or damaged, please contact ITECH customer support immediately.

4. Identificació de components

Panell frontal:

Front panel of ITECH IT6721 with labeled components

Figura 3: Disseny del panell frontal

  1. CC/CV Indicator: Lights up to indicate Constant Current (CC) or Constant VoltagMode e (CV).
  2. OCP/OVP Indicator: Lights up when Over Current Protection or Over Voltage Protection is active.
  3. Memory Save Buttons (A, B, C, D): Used to save and recall settings.
  4. Keyboard Lock Button: Bloqueja els controls del panell frontal per evitar canvis accidentals.
  5. Botó d'activació/desactivació de la sortida: Alterna la sortida de potència.
  6. Voltage/Current Adjust Knob: Rotary encoder for adjusting voltage i valors actuals.
  7. Botó de commutació de la pantalla: Cycles through different display modes or parameters.
  8. Air Flow Input: Vents for cooling air intake.
  9. Interruptor d'encesa / apagat: Interruptor d'alimentació principal de la unitat.
  10. Output Terminals (+, -, Ground): Connectors for positive, negative, and ground output.

Panell posterior:

Rear panel of ITECH IT6721 with labeled components

Figura 4: Disseny del panell posterior

  1. Power Switch (Voltage Selector): Used to select between 110V and 220V input voltage. Ensure this matches your local power supply before connecting.
  2. Entrada d'alimentació de CA: Connector for the main AC power cord.
  3. 9-pin Connector: Només per a ús de fàbrica.
  4. Ventilador de refrigeració: Provides active cooling for the internal components.

5. Configuració

  1. Desembalatge: Carefully remove the power supply from its packaging and inspect for any signs of damage.
  2. Col·locació: Place the unit on a stable, level surface with adequate ventilation. Ensure that the front and rear air vents are not obstructed.
  3. Voltage Selecció: On the rear panel, verify that the power switch (voltage selector) is set to the correct voltage for your region (110V or 220V).
  4. Connexió d'alimentació: Connect the provided power cord to the AC power input on the rear panel and then to a grounded wall outlet.
  5. Encesa inicial: Flip the main power ON/OFF switch on the front panel to the 'ON' position. The display should illuminate.

6. Instruccions de funcionament

This section details the basic operation of the ITECH IT6721 power supply.

S'ha acabat l'operació bàsicaview:

Video 1: Demonstration of ITECH IT6700 series DC power supply basic operation, including setting voltage and current, and toggling output.

Configuració Voltage i actual:

  1. Ensure the output is OFF (Output ON/OFF button is not illuminated).
  2. Utilitza el Voltage/Current Adjust Knob to set the desired voltage. Press the knob to switch between coarse and fine adjustment modes.
  3. Premeu el botó Canvi botó i després el Voltage/Current Adjust Knob to switch to current setting mode. Adjust the current limit using the knob.
  4. The display will show the set voltage i valors actuals.
Diagram showing adjust step value settings for voltage i corrent

Figure 5: Adjust Step Value for Voltage i Actual

Control de sortida:

  • Després d'ajustar el volum desitjattage and current, press the Sortida ON/OFF button to enable the output. The button will illuminate.
  • To disable the output, press the Sortida ON/OFF botó de nou.

Funció de memòria:

The power supply allows you to save and recall up to four sets of voltage i la configuració actual.

  1. Desar la configuració: Establiu el volum desitjattage i corrent. Premeu i manteniu premut un dels Memory Save buttons (A, B, C, or D) until the display indicates the setting is saved.
  2. Recalling Settings: Premeu breument el botó corresponent Memory Save button (A, B, C, or D) per recuperar la configuració desada.

Bloqueig del teclat:

To prevent accidental changes to settings during operation, you can lock the front panel controls.

  • Premeu el botó Bloqueig del teclat button to activate or deactivate the lock function. A lock icon may appear on the display when active.
Diagram showing the key lock feature

Figure 6: Keyboard Lock Feature

Control de programari:

The ITECH IT6721 can be controlled via software for advanced applications and data logging.

Image showing the power supply connected to a laptop with control software

Figure 7: Power Supply with Free Software Interface

Refer to the separate software manual for detailed instructions on installation and usage.

7. Manteniment

Un manteniment adequat garanteix la longevitat i el funcionament fiable del vostre subministrament elèctric.

  • Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu productes de neteja abrasius ni dissolvents.
  • Ventilació: Regularly check that the air vents are clear of dust and debris to ensure proper cooling.
  • Emmagatzematge: When not in use for extended periods, store the power supply in a cool, dry environment, away from direct sunlight and extreme temperatures.
  • Calibració: Periodic calibration by qualified personnel is recommended to maintain measurement accuracy.

8. Solució De Problemes

Aquesta secció ofereix solucions a problemes comuns que podeu trobar.

Problema Causa possible Solució
Sense engegada/Pantalla apagada Power cord not connected; Main power switch off; Incorrect voltage selection; Blown fuse. Check power cord connection; Ensure main power switch is ON; Verify voltage selector setting; Replace fuse if necessary (refer to safety guidelines).
Sense sortida voltage/actual Output OFF; OCP/OVP active; Load issue. Press Output ON/OFF button; Check OCP/OVP indicators and adjust settings; Verify load connection and resistance.
El ventilador no funciona Normal operation at low load; Overheating. The fan operates based on internal temperature. It may not run at low loads. If unit is hot and fan is off, check for blocked vents.
Settings cannot be changed Keyboard lock active. Press the Keyboard Lock button to deactivate.

Si el problema persisteix després d'intentar aquestes solucions, poseu-vos en contacte amb l'assistència tècnica.

9. Especificacions

Detailed technical specifications for the ITECH IT6721 Variable DC Power Supply.

Paràmetre Valor
ModelIT6721-US
Vol. De sortidatage0-60V
Corrent de sortida0-8A
Potència de sortida0-180W
Voltage Resolució0.01 V
Resolució actual0.001A
Voltage Precisió<0.05%+10mV
Precisió actual<0.3%+5mA
Dimensions del producte (L x A x A)11.1 x 6.9 x 3.5 polzades (282 x 175 x 88 mm)
Pes de l'article8 lliures
Mètode de refrigeracióAire
Recompte de fans1
Factor de formaSobre de banc
Dimensions of the ITECH IT6721 power supply

Figura 8: Dimensions del producte

Multiple ITECH power supplies mounted in a standard 19-inch rack

Figure 9: Standard Size for 19" Rack Mount (multiple units shown)

10. Garantia i Suport

ITECH provides professional technical support for its products.

  • For technical assistance, product inquiries, or warranty claims, please contact our technical support team.
  • Correu electrònic: fae@itech.sh

Si us plau, tingueu a mà el model i el número de sèrie del producte quan contacteu amb el servei d'assistència.

© 2024 ITECH. Tots els drets reservats.

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