Related Manuals for UCORE ELECTRONICS UCE-DSO4200C
Summary of Contents for UCORE ELECTRONICS UCE-DSO4200C
- Page 1 UCE-DSO4200C FAULT LOCATOR USER MANUAL UCORE ELECTRONICS https://ucore-electronics.com 2023...
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Page 2: Table Of Contents
Contents Introduction.............................. 3 Device Overview ............................5 2.1. Rotary encoder functions ......................... 7 Oscilloscope Mode ........................... 8 3.1. Adjusting the vertical system ........................9 3.2. Adjusting the horizontal time base ......................11 3.3. Trigger mode ............................11 3.4. Operations and measurements ......................12 3.5. - Page 3 9.2. System info ............................. 36 9.3. LCD Back Light ............................36 9.4. Calibration & Settings ..........................36 10. PC Program ............................. 44 10.1. Oscilloscope menu .......................... 44 10.2. Signal generator ..........................47 10.3. Curve tracer ............................ 48 10.3.1. Creating a database ........................52 10.3.2.
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Page 4: Introduction
With this unique device, you will have the basic devices needed for fault detection of electronic boards: Oscilloscope, curve tracer, signal generator and short circuit finder. UCE-DSO4200C can transmit all data to a PC via USB connection. This USB connection provides the possibility to use the device with PC software. - Page 5 Source Resistance: 10Ω, 47Ω, 100Ω, 470Ω, 1kΩ, 4.7kΩ, 10kΩ • 5 programmable user buttons Package List: • Carrying Case • UCE-DSO4200C Device • Multi-Device Wireless Mouse • 2 sets 4mm banana multimeter probes • 2 pcs X1, X10 Oscilloscope Probe •...
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Page 6: Device Overview
2. Device Overview There is a 5-inch LCD on the device. LCD has resistive type touch. While general control of the device can be made on the screen, it is also possible to perform basic controls more quickly with 3 rotary encoders. Additional features are gained with the buttons on the rotary encoder. - Page 7 Figure 2. Back and side views of the device When the device is turned on, the main menu in Figure 3 is displayed. There are 7 icons here. These menus will be explained in detail in the next sections. Figure 3. Device main menu https://ucore-electronics.com...
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Page 8: Rotary Encoder Functions
2.1. Rotary encoder functions Rotary-1 Function Clockwise counterclockwise Button Menu Booting When pressed and held, the device connects as a USB disk. (If connected to computer with USB cable) Main menu Oscilloscope CH-1 Volt/div value decreases CH-1 Volt/div value increases Pressing the button once will switch CH-1 offset value increases CH-1 offset value decreases... -
Page 9: Oscilloscope Mode
3. Oscilloscope Mode To enter the oscilloscope mode, the "OSCILLOSCOPE" icon in the "Main Menu" is clicked. The general view of the scope mode is as in Figure 4. Oscilloscope icon At the top of the screen; Status information of measurement channels (Volt/div, coupling), operating status, time base mode, trigger status information, sampling status information (time/div), frame refresh rate and battery status information are included. -
Page 10: Adjusting The Vertical System
3.1. Adjusting the vertical system The UCE-DSO4200C has two analog input channels and each channel is equipped with an independent vertical control system. The adjustment methods for the vertical systems of the two channels are the same. This section takes CH-1 as an example to introduce the vertical system adjustment method. - Page 11 Vertical offset can be adjusted in three ways. • When the channel is active, the signal is moved up and down the graphics area by holding and dragging the touchscreen pen (left button if using the Mouse). • When the Rotary-1 button is pressed once, the offset adjustment mode is entered. After switching to offset mode, the offset level is changed by rotating Rotary-1.
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Page 12: Adjusting The Horizontal Time Base
3.2. Adjusting the horizontal time base Horizontal time base, also called the horizontal scale, refers to the time of each grid in the horizontal direction of the screen. It is usually expressed in s/div. When changing the horizontal time base, the displayed waveforms of all channels are expanded or compressed horizontally relative to the trigger reference point. -
Page 13: Operations And Measurements
Trigger edge: Triggering occurs at the trigger level of the specified edge of the input signal. At this time, the current trigger setting information (trigger edge and trigger source) is displayed in the upper right corner of the screen, as shown in the figure below. When the voltage of the waveform reaches a required level, then a comparator switches and send a start signal to the time base. - Page 14 CH-1 FFT CH-2 FFT CH-1 + CH-2 Automatic measurement: Some data of the waveform can be automatically calculated. When the “Measure” button is clicked, there are 4 different measurements in the submenu. • Frequency: Frequency (channel triggering needs to be set accordingly to be calculated) •...
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Page 15: Running Mode
Cursor measurement: Cursor measurement can measure X-axis values (time) and Y-axis values (voltage) of the selected waveform. By clicking the “Cursor” button, the submenu is opened and activated by clicking the “ON” button in the submenu. A total of 4 orange colored and dashed cursors appear on the screen, 2 horizontally and 2 vertically. -
Page 16: Time Base Mode
If the Rotary-3 button is pressed in the stop mode, it is possible to view the sampled but not displayed data by rotating the Rotary-3. At the top of the screen, it is shown which position of the buffer is reflected on the screen. -
Page 17: Curve Tracer Mode
4. Curve Tracer Mode To enter the Tracer mode, click the “CURVE TRACER” icon in the “Main Menu”. The general view of the Tracer mode is as in Figure 5. Curve Tracer icon At the top of the screen; test voltage, test frequency, limit resistance and scanning period (if scanning mode is active). -
Page 18: Before Test
Figure 6. Component characteristics in XY mode (horizontal trace voltage, vertical trace current) UCE-DSO4200C is designed to diagnose the failures in all types of electronic circuit boards. The product is provided with two channels and allows the comparison of the defective boards with the intact boards. All V-I impedance curves consist of 12-bit 256 different measurements per channel. -
Page 19: Setting Test Parameters
4.3. Setting test parameters The component to be tested may be requested to be tested in different conditions. For this purpose, the device has Test voltage, Limit resistance and Frequency values in different stages. Although the UCE- DSO4200C curve tracer mode is dual channel, unlike the oscilloscope, test parameters are common to both channels. - Page 20 Figure 8 shows the impedance curves of a parallel connected diode and 10uF capacitor at 5V and 0.2V stages. While a combination of diode and capacitor characteristics is seen at 5V, only the capacitor curve is seen at 0.2V. Figure 8. Impedance curve of parallel connected diode and capacitor at different stages As seen in the examples above, the diode impedance is eliminated at the 0.2V stage and only the curves of passive components such as resistors and capacitors are obtained.
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Page 21: Menu Usage
4.4. Menu usage In this section, the tracer menu usage of the UCE-DSO4200C device is explained. There are some buttons in the tracer menu in Figure 5; EXIT: Used to return to the Main Menu. Also, during this process, the setting data is saved in the memory (ct_settings.cfg). - Page 22 PROG 1-5: There are 5 programmable user buttons. The voltage, frequency and limit resistor combinations selected with rotary encoders (Rotary1-3) are stored in the memory. Thus, these settings are restored very quickly when the button is clicked. Click the “CONFIG. BTN” button to memorize the set combination. When the button is clicked, the names of the user buttons change to “SAVE 1-5”.
- Page 23 Figure 10. High voltage measurement detection There are protection and detection circuits on both inputs of the device against high voltage measurement. The device gives a warning when high voltage is detected in any of the channels during the measurement. In this case, the measurement must be terminated immediately.
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Page 24: Signal Generator
5. Signal Generator The UCE-DSO4200C has a single channel, 20 MHz (-3dB) signal source and provides great convenience for users who need to use the signal source and the oscilloscope (or curve tracer) simultaneously. Click the “SIGNAL GENERATOR” icon in the “Main Menu” to enter the signal generator menu. Its general view is as in Figure 11. -
Page 25: Sine Wave
5.1. Sine wave Click the “Sine” button for a sine wave. At this time, you can set the parameters for the sine waveform. Click the parameter or rotate the Rotary-3 to select it to be adjusted. An upper parameter is selected when the Rotary-3 is rotated clockwise, and a lower parameter is selected when rotated counterclockwise. -
Page 26: Square Wave
5.2. Square wave Click the “Square” button for a square wave. At this time, you can set the parameters for the square waveform. For the adjustment methods, see the explanations in the "Sine wave" section. In the square wave form, the duty cycle is active. When the duty cycle value is changed, the waveform changes accordingly on the screen. -
Page 27: Sawtooth Wave
5.4. Sawtooth wave There are two different forms of sawtooth wave, positive and negative. Click the “Sawtooth” button for a positive sawtooth wave. Click “Sawtooth_n” button for negative sawtooth wave. At this time, you can set the parameters for the sawtooth waveform. For the adjustment methods, see the explanations in the "Sine wave"... -
Page 28: Exponential Wave
5.7. Exponential wave There are two different forms of the exponential wave, positive and negative. For positive exponential wave, “Exp_p” button is clicked. For negative exponential wave, “Exp_n” button is clicked. At this time, you can set the parameters for the exponential waveform. For the adjustment methods, see the explanations in the “Sine wave”... -
Page 29: Half Wave Rectification
5.9. Half wave rectification There are two different forms of half-wave rectification, positive and negative. Click “Half_p” button for positive half wave rectification. Click “Half_n” button for negative half wave rectification. At this time, you can set the parameters for half-wave rectification. For the adjustment methods, see the explanations in the “Sine wave”... -
Page 30: Staircase Wave
6. Short Circuit Finder Mode One of the unique features of the UCE-DSO4200C is its ability to find the location of the short circuit. It is useful in finding short circuits in defective electronic boards. The menu is accessed by clicking the “SHORT CIRCUIT”... - Page 31 In short-circuit mode, the measurement input is Probe-1. If 0.000R is not visible on the screen when the probe tips are short-circuited, the “Relative” button is clicked and the absolute value of the resistance value is taken. A message appears on the screen that the offset calibration is complete. The magnifying glass in the animation focuses where the short circuit is.
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Page 32: Usb Disk
7. USB Disk For USB connection feature, a cable connection must be provided between the USB port of the device and the computer. After the connection is established, it establishes a connection with the computer in USB HID protocol at the first power-on of the device. This connection provides control of the device via PC software. -
Page 33: File Browser
8. File Browser The file browser menu is the menu where the files in the internal memory are managed. Access to the menu is provided by clicking the “FILE BROWSER” icon in the “Main Menu”. Its general view is as in Figure File browser icon Figure 14. - Page 34 Selecting a file, folder or directory: In order to process on a file, it must first be selected. There are different methods of selecting a file or folder. • Clicking with the touch pen on one of the items listed in the Files menu. •...
- Page 35 Delete a file or folder: To delete an item, it must first be selected. Then click the “DELETE” button. The information that the “DELETE button must be clicked again to complete the operation” is displayed on the screen. Clicking the “DELETE” button a second time deletes the item. Device Settings folder: The “Device Settings”...
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Page 36: System Menu
9. System Menu The system menu contains system information about the device and is also where the instrument is calibrated. Access to the menu is provided by clicking the “SYSTEM INFO” icon in the “Main Menu”. Its general view is as in Figure 15. System menu icon Figure 15. -
Page 37: System Info
9.2. System info It is the section that shows some analog data read on the motherboard. It contains information about system voltages and internal battery. 9.3. LCD Back Light The backlight of the LCD can be adjusted here. By clicking the “+” and “-” buttons, the backlight intensity is adjusted between 25% and 100%. - Page 38 30% attenuation. A 20 MHz oscilloscope is generally guaranteed to have less than 30% attenuation at 20 MHz. To achieve voltage accuracy better than 2% on the UCE-DSO4200C, the frequency of the signal applied to the inputs must be less than 7 MHz.
- Page 39 DDS OFFSET calibration: This calibration is done for the offset adjustment of the signal generator. To calibrate, first click the “DDS OFFSET” button. In the submenu, an information message appears that the signal generator output (GEN) should be measured with a multimeter. In the submenu, there are two parameter settings as +3Vdc and -3Vdc.
- Page 40 The parameter can be adjusted in three different ways. • By clicking the “+” and “-” buttons next to the parameters. • By turning Rotary-1 for 3Vrms and Rotary-2 for 1.5Vrms (Clockwise turn increases the value, counterclockwise decreases the value). •...
- Page 41 If you want the screen to be recalibrated, click the “Calibrate” button. 5 boxes appear on a white screen with 2 second intervals. The center of the box is kept pressed with the help of a pencil until the next box appears on the screen.
- Page 42 The calibration process consists of 10 steps. Click the “START” button to start. In the first stage, it is requested to measure the Probe-1 input with a multimeter and set the output voltage to 141mVrms. A multimeter with TRUE RMS feature is connected to the Probe-1 and the measurement is made in AC range.
- Page 43 In the 5th stage, the gain adjustment is made automatically. This step may take some time to complete. When the stage is completed, the “NEXT” button becomes active. Clicking the button will move to the next step. In the 6th step, offset adjustment is made automatically.
- Page 44 In the 9th step, probe calibration is performed. The probes of the device are connected to the probe-2 input and the terminals are short-circuited. When short-circuited, the impedance value is seen and the “NEXT” button becomes active. Clicking the button will move to the next step. In the 10th and last stage, the calibration data is saved to the disk.
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Page 45: Pc Program
10. PC Program Control of three modes of UCE-DSO4200C can be done with PC program (PC_DSO4200.exe). There are vertically arranged tabs on the left side of the screen (Figure 16). • Oscilloscope, • Signal Generator, • Curve Tracer, • About. - Page 46 When the oscilloscope menu is opened, the device also switches to oscilloscope mode and simultaneously the data is reflected in the graphics area. As shown below, channel-1 is set in the yellow section, while channel-2 is set in the red colored section. To set the vertical scale of the channel, click on the parameter to open the scale list and click on the desired value.
- Page 47 To activate the channel, is checked (unchecked to make it passive). The horizontal time base is set in this section. When the parameter is clicked, the desired value is selected from the drop-down list. In the trigger section; settings such as the channel where the trigger will be made, the trigger edge, the trigger level is made.
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Page 48: Signal Generator
Manual measurement of waveforms is also available in the PC program, similar to the instrument. The “ON” checkbox is marked to activate the measurement. If it is desired to measure on the Y axis, the second parameter is selected as “Amplitude”. In this case, horizontal cursors are active. -
Page 49: Curve Tracer
The parameter is set in three different ways. • With the up-down arrows next to it, • Entering numbers from the numeric keypad in the parameter field and then clicking Enter, • By scrolling the mouse cursor over the parameter. While changing the parameter, the generated signal is updated instantly. - Page 50 Dual Mode: It allows simultaneous use of Probe-1 (yellow color) and Probe-2 (red color) channels. If a single channel is used, only Probe-1 is active. Compare: Compares the similarity between two channels. DUAL mode must be active for comparison. Prog 1-5: There are 5 programmable user buttons. Selected voltage, frequency and limit resistor combinations are stored in the memory.
- Page 51 Figure 18. Advanced mode There are many buttons in this section. These buttons; Add: Adds a new test point to the database list. Delete: Deletes the test point selected in the list. Delete All: Deletes the entire list. Move Up: Moves the selected test point up one position. Move Down: Moves the selected test point down one position.
- Page 52 Figure 19. Two channel comparison in Dual Mode When “Compare” is active, the comparison algorithm is also active. The impedance curve in both channels is compared with the algorithm. As a result of the comparison, a percentage value called “Impedance difference”...
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Page 53: Creating A Database
10.3.1. Creating a database In the “Advanced Mode” tab, the “Enable Database Mode” checkbox is checked to activate the database mode. The first thing to do when creating a database is to load the electronic board image. To do this, click the “Load Image”... -
Page 54: Comparison From Database
Before starting the database creation, an electrical connection must be established between the GND point of the electronic board to be registered and the black probe at the Probe-1 input. After the PCB image is loaded, the database creation can be started. First, the point to be measured is marked by clicking on the PCB image (Figure 21). - Page 55 Figure 23. Comparison from database When the “Auto Test” checkbox is checked, it switches to auto-test mode. From which point the test is desired, that point is selected by clicking on the list. Testing can now begin. When measuring with a probe on the real board, in the coordinate shown on the board image, impedance curves are compared by the algorithm.
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Page 56: About Tab
10.4. About tab Click the “About” tab on the left to open the about menu. Figure 25. About tab overview This is the section with information about the device and the PC program. It contains version information of device and PC program software. There is also a “Check for updates” button on the page. When the button is clicked, it is checked whether there is a software update related to the system.