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.
CC/CV Automatic Conversion: Seamless switching between constant voltage and constant current modes.
High Reliability Protection: Equipped with Over Current Protection (OCP), Over Voltage Protection (OVP), and Over Temperature Protection (OTP).
Oke ngwa ngwa: Suitable for various testing needs, providing flexible Volt/Amp combinations within rated power.
Ọrụ ebe nchekwa: Allows saving and recalling frequently used settings.
Ngwa:
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.
Nyocha 2: N'eluview of typical applications for the ITECH IT6721
2. Ozi nchekwa
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.
Jikọọ ọkụ eletrik ahụ na ebe a na-etinye ihe n'ala mgbe niile.
Arụla ọrụ na mmiri ma ọ bụ damp ọnọdụ.
Hụ na ikuku na-abata nke ọma iji gbochie oke okpomọkụ. Ekpuchila oghere ikuku.
Emeghela casing; there are no user-serviceable parts inside. Refer servicing to qualified personnel.
Nyochaa ntinye voltage 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. Ihe ngwugwu
Mgbe ebupuchara, biko chọpụta na ihe niile edepụtara n'okpuru dị ugbu a na enweghị mmebi:
ITECH IT6721 Bench Power Supply x 1
eriri ike x 1
Ex-factory Test Report x 1
If any items are missing or damaged, please contact ITECH customer support immediately.
4. Njirimara akụrụngwa
Ogwe ihu:
Onyonyo 3: Nhazi Ogwe ihu
CC/CV Indicator: Lights up to indicate Constant Current (CC) or Constant Voltage (CV) ọnọdụ.
OCP/OVP Indicator: Lights up when Over Current Protection or Over Voltage Protection is active.
Memory Save Buttons (A, B, C, D): Used to save and recall settings.
Keyboard Lock Button: Locks the front panel controls to prevent accidental changes.
Output ON/OFF Button: Toggles the power output.
Voltage/Current Adjust Knob: Rotary encoder for adjusting voltage na ụkpụrụ dị ugbu a.
Gosipụta bọtịnụ Mgbanwe: Cycles through different display modes or parameters.
Air Flow Input: Vents for cooling air intake.
Mgba ọkụ/ Gbanyụọ Ike: Isi mgba ọkụ maka otu.
Output Terminals (+, -, Ground): Connectors for positive, negative, and ground output.
Ngbanwe azụ:
Onyonyo 4: Nhazi Ogwe azụ
Power Switch (Voltage Selector): Used to select between 110V and 220V input voltage. Ensure this matches your local power supply before connecting.
Ntinye ike AC: Connector for the main AC power cord.
9-pin Connector: Maka iji naanị ụlọ ọrụ mmepụta ihe.
Onye ofufe jụrụ oyi: Provides active cooling for the internal components.
5. Nhazi
Iwepu: Carefully remove the power supply from its packaging and inspect for any signs of damage.
Nkwanye: Place the unit on a stable, level surface with adequate ventilation. Ensure that the front and rear air vents are not obstructed.
Voltage Nhọrọ: On the rear panel, verify that the power switch (voltage selector) is set to the correct voltage for your region (110V or 220V).
Njikọ ike: Connect the provided power cord to the AC power input on the rear panel and then to a grounded wall outlet.
Ike izizi: Flip the main power ON/OFF switch on the front panel to the 'ON' position. The display should illuminate.
6. Ntuziaka ọrụ
This section details the basic operation of the ITECH IT6721 power supply.
Basic arụmọrụ gafereview:
Video 1: Demonstration of ITECH IT6700 series DC power supply basic operation, including setting voltage and current, and toggling output.
Ntọala Voltage na ugbu a:
Ensure the output is OFF (Output ON/OFF button is not illuminated).
Jiri ihe Voltage/Current Adjust Knob to set the desired voltage. Press the knob to switch between coarse and fine adjustment modes.
Pịa Mgbanwe bọtịnụ na mgbe ahụ Voltage/Current Adjust Knob to switch to current setting mode. Adjust the current limit using the knob.
The display will show the set voltage na ụkpụrụ dị ugbu a.
Figure 5: Adjust Step Value for Voltage na Ugbu a
Njikwa mmepụta:
Mgbe ịtọchara vol achọrọtage and current, press the Mbupute GBANYE/ Gbanyụọ button to enable the output. The button will illuminate.
To disable the output, press the Mbupute GBANYE/ Gbanyụọ bọtịnụ ọzọ.
Ọrụ ebe nchekwa:
The power supply allows you to save and recall up to four sets of voltage na ntọala dị ugbu a.
Ịchekwa ntọala: Tọọ voltaji achọrọtage and current. Press and hold one of the Memory Save buttons (A, B, C, or D) until the display indicates the setting is saved.
Recalling Settings: Briefly press the corresponding Memory Save button (A, B, C, or D) iji cheta ntọala echekwara.
Mkpọchi ahụigodo:
To prevent accidental changes to settings during operation, you can lock the front panel controls.
Pịa Mkpọchi ahụigodo button to activate or deactivate the lock function. A lock icon may appear on the display when active.
Figure 6: Keyboard Lock Feature
Njikwa ngwa ngwa:
The ITECH IT6721 can be controlled via software for advanced applications and data logging.
Figure 7: Power Supply with Free Software Interface
Refer to the separate software manual for detailed instructions on installation and usage.
7. Nlekọta
Mmezi kwesịrị ekwesị na-eme ka ọkụ eletrik gị dị ogologo ma nwee ike ịrụ ọrụ nke ọma.
Nhicha: Jiri akwa dị nro dị nro hichaa mpụta nke unit ahụ. Ejila ihe nchacha abrasive ma ọ bụ ihe mgbaze.
Igwe ikuku: Regularly check that the air vents are clear of dust and debris to ensure proper cooling.
Nchekwa: When not in use for extended periods, store the power supply in a cool, dry environment, away from direct sunlight and extreme temperatures.
Nhazi A na-atụ aro ka ndị ọrụ ruru eru na-agbanwe nha ha mgbe ụfọdụ iji hụ na nha ha ziri ezi.
8. Nchọpụta nsogbu
Akụkụ a na-enye azịza maka nsogbu nkịtị ị nwere ike izute.
Nsogbu
Ihe nwere ike ime
Ngwọta
Enweghị ike/Ngosipụta
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).
Enweghị volta mmepụtatage/ugbu a
Output OFF; OCP/OVP active; Load issue.
Press Output ON/OFF button; Check OCP/OVP indicators and adjust settings; Verify load connection and resistance.
Onye ofufe anaghị agba ọsọ
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.
If the problem persists after attempting these solutions, please contact technical support.
9. Nkọwapụta
Detailed technical specifications for the ITECH IT6721 Variable DC Power Supply.
Oke
Uru
Nlereanya
IT6721-US
Mmepụta Voltage
0-60V
Mmepụta ugbu a
0-8A
Ike mmepụta
0-180W
Voltage Mkpebi
0.01V
Mkpebi ugbu a
0.001A
Voltage ziri ezi
<0.05%+10mV
Izi ezi ugbu a
<0.3%+5mA
Akụkụ ngwaahịa (L x W x H)
11.1 x 6.9 x 3.5 sentimita (282 x 175 x 88 mm)
Ibu Ibu
8 pound
Usoro jụrụ oyi
Ikuku
Ọnụọgụ Fans
1
Ụdị Ihe
Benchtop
Ọgụgụ 8: Akụkụ ngwaahịa
Figure 9: Standard Size for 19" Rack Mount (multiple units shown)
10. Akwụkwọ ikike na nkwado
ITECH provides professional technical support for its products.
For technical assistance, product inquiries, or warranty claims, please contact our technical support team.