Pel 300 руководство по эксплуатации

Программируемая электронная нагрузка предназначена для работы в качестве нагрузки при испытании, настройке и регулировке блоков питания, усилителей, звуковоспроизводящей аппаратуры и других радиотехнических устройств с напряжением питания до 60 В, током нагрузки до 60 А, потребляемой мощностью до 300 Вт. Электронная нагрузка обеспечивает испытание в различных статических и динамических режимах работы (контроль напряжения, тока, имитация нагрузочного сопротивления).

Технические характеристики нагрузки электронной программируемой PEL-300:

ОБЩИЕ ДАННЫЕ
Напряжение питания: 100 В / 120 В / 220 В / 240 В ±10%, 50 / 60 Гц
Габаритные размеры: 255 х 145 х 346 мм
Масса: 9 кг

Комплект поставки PEL-300:
1.Нагрузка электронная программируемая PEL-300 — 1
2.Руководство по эксплуатации — 1

Производство компании GW Instek (Тайвань)

• 37 FOR UNITED KINGDOM ONLY NOTE: This lead/appliance must only be wired by competent person. WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow: Earth Blue: Neutral Brown: Live (Phase) As the colours of the wires in main leads may not correspond with the colours marking identified in your plug/appliance, proceed as follows: The wire which is coloured Green & Yellow must be connected to the Earth terminal marked with the letter E or by the earth

• 35 5-2 Test Lead The Selection of Output Test Lead and Feedback Test Lead: For safety assurance, please select the adequate output test lead according to the following list: ConductorUL (CSA) Model Wire No. AWG Component pc/mm Cross Section Area (mm) 2 Outer Diameter mm Maximum Conductive Resistor Ω/km Permissible Current A(amp) 24 11/0.16 0.22 0.64 88.6 7.64 22 17/0.16 0.34 0.78 62.5 10.0 20 21/0.18 0.53 0.95 39.5 13.1 18 34/0.18 0.87 1.21 24.4 17.2 16 26/0.254 1.32 1.53 15.6 22.6 14 41/0.254 2.08 2.03 9.90 30.4 12 65/0.254 3.29 2.35 6.24 40.6 1015 T

• 18 (13). Setting of auto execution: n The light of AUTO is out when auto execution is not functioning. o Press AUTO button, the indicator will light up, and the function will be turned on. Note: Be sure to complete the settings of item 1 to 7 and 10 to 12 before proceeding the setting of auto execution. Example: To set auto execution STEP 1. Press AUTO key (the light of AUTO is on) STEP 2. Press LOAD ON/OFF to proceed auto execution
  

• 11 (3). Constant Resistance Mode: n Connect the instrument according to Graph 3-3. o Turn the power switch to “ON” position, then press C.R. MODE button (the light of C.R. MODE is on). p Press LOAD ON/OFF button (the light of LOAD is on), the displays will indicate the value of external voltage and current. Example: To set input resistance at 500Ω in constant resistance mode STEP 1. Press C.R. MODE STEP 2. Press V.I.R. SET STEP 3. Press 500 (unit is specified as “Ω” ) STEP 4. Press ↵ (4). Setting of

• 2 2. SPECIFICATIONS Functions Modes Ranges Voltage Range 3 ~ 60V Current Range 6mA ~ 60AOperational Limits Power Range 1 ~ 300W Applicable Range 3 ~ 60 V Accuracy ±(0.1% + 40mV) Resolution 20mV Constant Voltage (CV) Mode Step 20mV ~ 6V Applicable Range 6mA ~ 60V 6A ~ 60A ±(0.5% + 100mA) 0.6A ~ 6A ±(0.1% + 10mA)Accuracy 6mA ~ 0.6A ±(0.1% + 1mA) 6A ~ 60A 20mA 0.6A ~ 6A 2mAResolution 6mA ~ 0.6A 0.2mA 6A ~ 60A 20mA ~ 6A 0.6A ~ 6A 2mA ~ 6A Constant Current (CC) Mode Step 6mA ~ 0.6A 0.2mA ~ 6A Range 1Hz ~ 1kHz Accuracy ±5% 100Hz ~ 1kHz 5Hz 10Hz ~ 100Hz 0.5Hz Frequency Reso

• 1 1. INTRODUCTION 1-1 Features  Simple operation with smart push buttons  High resolution (20mV, 0.2mA, 0.33mΩ)  With voltage, current and power overload prevention functions  Easy access to maximum 100 files  Voltage range: 3 ~ 60V  Current range: 6mA ~ 60A  Maximum power: 300W  Operational modes: constant voltage (CV), constant current (CC), and constant resistance (CR)  With self-testing and auto software calibration functions  Meet UL CSA IEC requirement
  

• 6 Graph 3-2 Rear Panel
  

• 7 1 POWER : “▃” — power is on; “▉” — power is off. 2 C.C. MODE : To set operation in constant current mode. 3 C.V. MODE : To set operation in constant voltage mode. 4 C.R. MODE : To set operation in constant resistance mode. 5 RCL V : To recall the previous batch of memorized data. 6 RCL W : To recall the next batch of memorized data. 7 STEP V : To add a STEP value to the values of pre-set voltage, current and resistance. 8 STEP W : To subtract a STEP value from the values of pre-set voltage, current and resistance. 9 SW ON/OFF : To sw

• 33 4-19 D/A Calibrating the SENSE current offset of C.C., C.R. MODE n Set voltage of POWER SUPPLY to 60V and current of it to 1A. o Connect the output terminal of POWER SUPPLY to a DMM in 2A range in series. Hook up the DMM with the input terminal of the load. p Test the input terminal of the load by the 200V range of a DMM. Press SHIFT and C.V. MODE, then key in 3, 8, 1, 8, and ↵ . Adjust the POWER SUPPLY until the DMM display reads 60.00V. q When MEMORY indicates “01” and A indicates “CL18”, key in the current reading (7 digits including deci

• 3 4-8 Calibrating the D/A, A/D in 0.6A range of C.C. MODE ………………………………………………………………24 4-9 Calibrating the D/A in 0.6A range of W SET…………………………………………………………………………….24 4-10 Calibrating the D/A, A/D in 60A range of C.C. MODE …………………………………………….

• 20 4-2 Adjusting the reference voltage in 10Ω∼1kΩ range of C.R. MODE n Set voltage of POWER SUPPLY to 60V and current of it to 1A. o Connect the output terminal of POWER SUPPLY to the input terminal of electronic load. p Press SHIFT and C.V. MODE, then key in 3, 8, 0, 2, and ↵. q Test the input terminal of load by the 200V range of a DMM. Adjust the POWER SUPPLY until the DMM display reads 60.00V. Use the 20V range of another DMM to test TP1 of

• 8 13 V.I.R. SET : To set the values of input voltage, current, and resistance. 14 W SET : To set the maximum of input power. 15 FREQ. SET : To set the frequency in dynamic operational mode. 16 DUTY SET : To set DUTY under dynamic operational mode. 17 0 ∼ 9 : The buttons for input numbers. 18 ↵ : To complete data inputting. 19 DC INPUT : The input terminal of the electronic load (Max.10A ). 20 LOCAL : Not used 21 MEMORY : To display different sets of data memorized. 22 DISPLAY A : To display current

• 36 6. SAFETY SUMMARY SAFETY TERMS AND SYMBOLS: These terms may appear in this manual or on the product: WARNING. Warning statements identify condition or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property . WARNING: This equipment is not for measurements performed for CAT II, III and IV. Measurement category I is for measurements performed on circuits not directly connec

• 32 4-18 Calibrating the D/A in 1Hz∼10Hz range of SW MODE n Set voltage of POWER SUPPLY to 60V and current of it to 1A. o Connect the positive output terminal of POWER SUPPLY to a 0.1Ω 5W concrete resistance first, then connect the resistance to the input terminal of the electronic load. Hook up a DMM in 200V range with the input terminal of the load. Connect the input terminal of COUNTER to both ends of the concrete resistance. p Test the input terminal of loa

• 3 Functions Modes Ranges Applicable Range 50mΩ ~ 1kΩ 100Ω ~ 1kΩ±(5% + 1Ω) 10Ω ~ 100Ω±(5% + 100mΩ) 1Ω ~ 10Ω±(5% + 10mΩ) Accuracy 50mΩ ~ 1Ω±(5% + 1mΩ) 100Ω ~ 1kΩ 330mΩ 10Ω ~ 100Ω 33mΩ 1Ω ~ 10Ω 3.3mΩ Resolution 50mΩ ~ 1Ω 0.33mΩ 100Ω ~ 1kΩ 330mΩ ~ 100Ω 10Ω ~ 100Ω 33mΩ ~ 100Ω 1Ω ~ 10Ω 3.3mΩ ~ 10Ω Constant Resistance (CR) Mode Step 50mΩ ~ 1Ω 0.33mΩ ~ 1Ω Applicable Range 1 ~ 300W Accuracy ±(2% + 4W)Power Setting Resolution 0.1W Accuracy

• 12 (5). Setting of operational frequency: n Connect the instrument according to Graph 3-3. o Turn the power switch to “ON” position, then press C.C. MODE button (the light of C.C. MODE is on). p Press FREQ. SET button; then input desired FREQ. value after the display indicating the original FREQ. value. Example: To set operational frequency as 1000Hz STEP 1. Press FREQ. SET STEP 2. Press 1000 (unit is specified as “Hz” ) S