Instruction Manual

2.1. Features and Capabilities

The SDL1020X-E is a high-performance programmable DC electronic load designed for a wide range of testing requirements. Key features include:

• Single channel operation with DC 150 V/30 A input, total power up to 200 W.
• 3.5-inch TFT-LCD display for clear data visualization.
• Supports 4 static modes: Constant Current (CC), Constant Voltage (CV), Constant Resistance (CR), and Constant Power (CP).
• Dynamic modes with adjustable frequencies: CC Dynamic mode up to 25 kHz, CP Dynamic mode up to 12.5 kHz, CV Dynamic mode up to 0.5 Hz.
• Resolution of 1 mV/1 mA for precise control.
• Adjustable current rise times from 0.001 A/µs to 2.5 A/µs.
• List function supporting up to 100 editable steps for complex test sequences.
• Remote communication via RS232, USB, and LAN interfaces.

2.2. Setup

To set up the SDL1020X-E Electronic Load:

1. Unpacking: Carefully remove the electronic load from its packaging. Inspect for any signs of shipping damage. Retain the packaging for future transport or storage.
2. Power Connection: Connect the provided power cord to the AC input on the rear panel of the device and then to a grounded AC power outlet. Ensure the voltage matches the device's requirements.
3. Load Connection: Connect the device under test (DUT) to the input terminals on the front panel. Observe correct polarity (+ and -).
4. Initial Power On: Press the power button on the front panel. The device will perform a self-test and display the main interface.
5. Remote Interface (Optional): If using remote control, connect the appropriate RS232, USB, or LAN cable to your computer and install the necessary drivers and software as per the detailed user manual.

Figure 1: Front view of the Siglent SDL1020X-E Electronic Load, showing the display, control buttons, and input terminals.

Figure 2: Rear view of the Siglent SDL1020X-E Electronic Load, highlighting the power input, fuse, and communication ports (RS232, LAN, USB).

2.3. Operating the Electronic Load

The SDL1020X-E offers various operating modes for different testing scenarios:

• Constant Current (CC) Mode: Maintains a constant current draw from the DUT. Use the front panel controls to set the desired current value.
• Constant Voltage (CV) Mode: Maintains a constant voltage across the DUT. Set the target voltage using the controls.
• Constant Resistance (CR) Mode: Simulates a constant resistance load. The current drawn will vary with the voltage.
• Constant Power (CP) Mode: Maintains a constant power dissipation. The current and voltage will adjust to keep the power constant.
• Dynamic Mode: Allows for rapid switching between two load levels (A/B) in CC, CV, CR, or CP modes. Configure the levels, dwell times, and rise/fall times.
• List Mode: Program a sequence of up to 100 steps with different load parameters and durations. This is ideal for automated testing and characterization.

Refer to the comprehensive user manual for detailed instructions on configuring each mode, setting parameters, and interpreting measurement results.

2.4. Maintenance

To ensure the longevity and accuracy of your SDL1020X-E:

• Cleaning: Use a soft, dry cloth to clean the exterior. Do not use abrasive cleaners or solvents.
• Ventilation: Ensure adequate airflow around the device. Do not block the ventilation openings.
• Storage: Store the device in a clean, dry environment when not in use.
• Calibration: Periodic calibration by qualified personnel is recommended to maintain measurement accuracy.

2.5. Specifications (SDL1020X-E)

3.1. Features and Capabilities

The SDS1202X-E is a powerful 200 MHz digital oscilloscope, utilizing Siglent's innovative SPO technology for superior signal fidelity and performance. Key features include:

• 200 MHz bandwidth, 2 channels.
• Real-time sampling rate up to 1 GSa/s.
• Record length up to 14 Mpts for capturing long waveforms.
• Minimum vertical input range of 500 µV/Div for observing small signals.
• Innovative digital trigger system with high sensitivity and low jitter.
• Waveform capture rate of 400,000 frames/sec (sequence mode) for capturing infrequent events.
• 256-level intensity grading display function and color temperature display mode.
• Standard serial bus triggering and decoding support for IIC, SPI, UART, RS232, CAN, and LIN.
• History waveform recording and sequential triggering for extended waveform analysis.
• 1M points FFT math function for high-frequency resolution signal spectra analysis.
• Hardware co-processor for fast and accurate measurements.

3.2. Setup

To set up the SDS1202X-E Digital Oscilloscope:

1. Unpacking: Carefully remove the oscilloscope and its accessories (probes, power cord) from the packaging. Inspect for any damage.
2. Power Connection: Connect the power cord to the AC input on the rear panel and then to a grounded AC power outlet.
3. Probe Connection: Connect the oscilloscope probes to the input channels (CH1, CH2) on the front panel. Ensure a secure BNC connection.
4. Probe Compensation: Before making measurements, compensate the probes using the dedicated probe compensation signal output on the front panel. Adjust the trimmer on the probe until a flat-top square wave is displayed.
5. Initial Power On: Press the power button. The oscilloscope will boot up and display the waveform grid.

Figure 3: Front view of the Siglent SDS1202X-E Oscilloscope, showing the display, control panel, and input channels.

Figure 4: Angled view of the Siglent SDS1202X-E Oscilloscope displaying a waveform, illustrating its user interface.

3.3. Operating the Oscilloscope

The SDS1202X-E offers a wide array of functions for signal analysis:

• Vertical Controls: Adjust the vertical scale (Volts/Div) and position for each channel to fit the waveform on the screen.
• Horizontal Controls: Adjust the horizontal scale (Time/Div) and position to view different time segments of the waveform.
• Trigger System: Configure the trigger type (Edge, Pulse, Video, Slope, etc.), source, and level to stabilize repetitive waveforms and capture specific events.
• Measurement Functions: Use the built-in measurement tools to automatically calculate parameters like frequency, period, peak-to-peak voltage, RMS, etc.
• Math Functions: Perform mathematical operations on waveforms, including addition, subtraction, multiplication, division, and FFT (Fast Fourier Transform) for frequency domain analysis.
• Decoding: Utilize the serial bus decoding feature to analyze data from IIC, SPI, UART, RS232, CAN, and LIN protocols.
• Storage: Save waveforms, setups, and screenshots to internal memory or a USB flash drive.

For detailed instructions on advanced features and specific measurement techniques, consult the full SDS1202X-E user manual.

3.4. Maintenance

To maintain the performance and lifespan of your SDS1202X-E:

• Cleaning: Use a soft, damp cloth to clean the casing and screen. Avoid harsh chemicals.
• Probe Care: Handle probes carefully. Avoid bending or stressing the cables. Store them properly when not in use.
• Environment: Operate the oscilloscope within its specified temperature and humidity ranges. Avoid dusty or corrosive environments.
• Firmware Updates: Periodically check the manufacturer's website for firmware updates to ensure optimal performance and access to new features.

3.5. Specifications (SDS1202X-E)