ITECH IT6721 Variable DC Power Supply User Manual

1. សេចក្តីផ្តើម និងជាងview

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.

Figure 1: ITECH IT6721 Variable DC Power Supply

លក្ខណៈសំខាន់ៗ៖

• ការគ្រប់គ្រងឌីជីថល៖ ទិន្នផលវ៉ុលtage: 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 Voltage Protection (OVP), and Over Temperature Protection (OTP).
• ជួរកម្មវិធីធំទូលាយ៖ Suitable for various testing needs, providing flexible Volt/Amp combinations within rated power.
• មុខងារ​ចងចាំ៖ Allows saving and recalling frequently used settings.

កម្មវិធី៖

• 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.

រូបភាព ៤.១៖ លើសview of typical applications for the ITECH IT6721

2. ព័ត៌មានសុវត្ថិភាព

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.

• Always connect the power supply to a grounded outlet.
• កុំដំណើរការក្នុងសើមឬឃamp លក្ខខណ្ឌ។
• ធានា​ឱ្យ​មាន​ខ្យល់​ចេញចូល​ត្រឹមត្រូវ​ដើម្បី​ការពារ​ការ​ឡើង​កម្ដៅ​ខ្លាំង។ កុំ​បិទ​រន្ធ​ខ្យល់។
• កុំបើក គasing; មិនមានគ្រឿងបន្លាស់ដែលអាចជួសជុលបាននៅខាងក្នុងទេ។ សូមទាក់ទងបុគ្គលិកដែលមានសមត្ថភាពដើម្បីជួសជុល។
• ផ្ទៀងផ្ទាត់ការបញ្ចូលវ៉ុលtage 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. មាតិកាកញ្ចប់

នៅពេលវេចខ្ចប់ សូមផ្ទៀងផ្ទាត់ថាធាតុទាំងអស់ដែលបានរាយខាងក្រោមមានវត្តមាន និងមិនមានការខូចខាតទេ៖

• ITECH IT6721 Bench Power Supply x 1
• ខ្សែថាមពល x ១
• Ex-factory Test Report x 1

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

4. ការកំណត់អត្តសញ្ញាណសមាសធាតុ

បន្ទះខាងមុខ៖

រូបភាពទី 3: ប្លង់បន្ទះខាងមុខ

1. CC/CV Indicator: Lights up to indicate Constant Current (CC) or Constant Voltage (CV) របៀប។
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: Locks the front panel controls to prevent accidental changes.
5. Output ON/OFF Button: បិទ/បើក​ទិន្នផល​ថាមពល។
6. វ៉ុលtage/Current Adjust Knob: Rotary encoder for adjusting voltage និងតម្លៃបច្ចុប្បន្ន។
7. បង្ហាញប៊ូតុងប្តូរ៖ Cycles through different display modes or parameters.
8. Air Flow Input: Vents for cooling air intake.
9. បិទ/បើកថាមពល៖ កុងតាក់ថាមពលចម្បងសម្រាប់អង្គភាព។
10. Output Terminals (+, -, Ground): Connectors for positive, negative, and ground output.

បន្ទះខាងក្រោយ៖

រូបភាពទី ២៖ ប្លង់បន្ទះខាងក្រោយ

1. Power Switch (Voltage Selector): Used to select between 110V and 220V input voltage. Ensure this matches your local power supply before connecting.
2. បញ្ចូលថាមពល AC៖ Connector for the main AC power cord.
3. 9-pin Connector: សម្រាប់តែរោងចក្រប៉ុណ្ណោះ។
4. កង្ហារត្រជាក់៖ Provides active cooling for the internal components.

5. រៀបចំ

1. ការវេចខ្ចប់៖ Carefully remove the power supply from its packaging and inspect for any signs of damage.
2. ទីតាំង៖ Place the unit on a stable, level surface with adequate ventilation. Ensure that the front and rear air vents are not obstructed.
3. វ៉ុលtage ការជ្រើសរើស៖ On the rear panel, verify that the power switch (voltage selector) is set to the correct voltagសម្រាប់តំបន់របស់អ្នក (110V ឬ 220V)។
4. ការតភ្ជាប់ថាមពល៖ Connect the provided power cord to the AC power input on the rear panel and then to a grounded wall outlet.
5. ការបើកដំណើរការដំបូង៖ Flip the main power ON/OFF switch on the front panel to the 'ON' position. The display should illuminate.

6. សេចក្តីណែនាំប្រតិបត្តិការ

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

ប្រតិបត្តិការជាមូលដ្ឋានview:

ការកំណត់វ៉ុលtagអ៊ី និងបច្ចុប្បន្ន៖

1. Ensure the output is OFF (Output ON/OFF button is not illuminated).
2. ប្រើ វ៉ុលtage/Current Adjust Knob to set the desired voltage. Press the knob to switch between coarse and fine adjustment modes.
3. ចុច ប្ដូរ ប៊ូតុងហើយបន្ទាប់មក វ៉ុលtage/Current Adjust Knob to switch to current setting mode. Adjust the current limit using the knob.
4. The display will show the set voltage និងតម្លៃបច្ចុប្បន្ន។

Figure 5: Adjust Step Value for Voltage និងបច្ចុប្បន្ន

ការត្រួតពិនិត្យទិន្នផល៖

• After setting the desired voltage and current, press the បើក / បិទទិន្នផល button to enable the output. The button will illuminate.
• To disable the output, press the បើក / បិទទិន្នផល ប៊ូតុងម្តងទៀត។

មុខងារ​ចងចាំ៖

The power supply allows you to save and recall up to four sets of voltage និងការកំណត់បច្ចុប្បន្ន។

1. ការរក្សាទុកការកំណត់៖ កំណត់វ៉ុលដែលចង់បានtage និងបច្ចុប្បន្ន។ ចុចឱ្យជាប់មួយក្នុងចំនោម Memory Save buttons (A, B, C, or D) until the display indicates the setting is saved.
2. Recalling Settings: ចុច​ដោយ​សង្ខេប​លើ​ចំណុច​ដែល​ត្រូវ​គ្នា Memory Save button (A, B, C, or D) ដើម្បីរំលឹកឡើងវិញនូវការកំណត់ដែលបានរក្សាទុក។

ចាក់សោក្តារចុច៖

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

• ចុច ចាក់សោក្តារចុច button to activate or deactivate the lock function. A lock icon may appear on the display when active.

Figure 6: Keyboard Lock Feature

ការគ្រប់គ្រងកម្មវិធី៖

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. ការថែទាំ

Proper maintenance ensures the longevity and reliable operation of your power supply.

• ការសម្អាត៖ ប្រើក្រណាត់ទន់ និងស្ងួតដើម្បីសម្អាតផ្នែកខាងក្រៅនៃគ្រឿង។ កុំប្រើសារធាតុសម្អាត ឬសារធាតុរំលាយ។
• ខ្យល់ចេញចូល៖ Regularly check that the air vents are clear of dust and debris to ensure proper cooling.
• ការផ្ទុក៖ When not in use for extended periods, store the power supply in a cool, dry environment, away from direct sunlight and extreme temperatures.
• ការក្រិតតាមខ្នាត៖ Periodic calibration by qualified personnel is recommended to maintain measurement accuracy.

8. ការដោះស្រាយបញ្ហា

ផ្នែកនេះផ្តល់នូវដំណោះស្រាយចំពោះបញ្ហាទូទៅដែលអ្នកអាចជួបប្រទះ។

ប្រសិនបើបញ្ហានៅតែបន្តកើតមានបន្ទាប់ពីការព្យាយាមដំណោះស្រាយទាំងនេះ សូមទាក់ទងផ្នែកជំនួយបច្ចេកទេស។

9. លក្ខណៈបច្ចេកទេស

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

រូបភាពទី 8: វិមាត្រផលិតផល

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

10. ការធានា និងការគាំទ្រ

ITECH provides professional technical support for its products.

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

សូមរៀបចំគំរូផលិតផល និងលេខសៀរៀលរបស់អ្នក នៅពេលទាក់ទងផ្នែកជំនួយ។