UNI-T UPO3000E Series User Manual Download

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UPO3000E Series

Ultra Phosphor Oscilloscope

User Manual

UPO3254E

Summary of Contents for UPO3000E Series

Page 1: ...UPO3000E Series Ultra Phosphor Oscilloscope User Manual UPO3254E ...

Page 2: ...t is declared in the guarantee In order to obtain the warranty service customer must inform the defects within the applicable warranty period to UNI T and to perform appropriate arrangements for the warranty service The customer shall be responsible for packing and shipping the defective products to the designated maintenance center of UNI T pay the shipping cost and provide a copy of the purchase...

Page 3: ...void fire and the large current charge please check all the ratings and the marks on the product Please also refer to the product manual for details on the ratings before connecting to the product Do not open the case cover or front panel during operation Only use fuses with ratings listed in the technical index Avoid circuit exposure Do not touch exposed connectors and components after power is c...

Page 4: ...Hz bandwidth providing 2 channel and 4 channel models Real time sampling rate up to 2 5GS s allowing you to observe faster signals Standard memory depth of 70Mpts per channel which allows the oscilloscope to maintain a high sampling rate in a wider time base and takes into account the waveform integrity and details Waveform capture rate up to 200 000wfms s Hardware real time waveform continuous re...

Page 5: ... 12 12 12 13 13 13 13 13 14 14 14 15 Chapter 4 Sampling System Settings 16 4 1 Sampling Rate 16 4 2 Acquisition Mode 17 4 3 Memory Depth 18 Chapter 5 Trigger System Settings 18 5 1 Trigger System Interpretation 18 5 2 Edge Trigger 19 5 3 Pulse Width Trigger 20 5 4 Video Trigger 20 5 5 Slope Trigger 21 5 6 Runt Trigger 22 5 7 Window Trigger 23 5 8 Delay Trigger 24 5 9 Timeout Trigger 25 5 10 Durati...

Page 6: ...2 Waveform Storage and Load 48 11 3 Print Screen 49 Chapter 12 Auxiliary Function Settings 50 12 1 System Function Settings 50 12 2 Waveform Recording 51 12 3 Pass Fail 52 12 4 System Upgrade 53 Chapter 13 Additional Function Keys 54 13 1 Auto Setting 54 13 2 Run Stop 54 13 3 Clear 54 13 4 Factory Setting 54 Chapter 14 System Prompts and Troubleshooting 56 14 1 System Prompt Information Descriptio...

Page 7: ... the back of the oscilloscope to ON Now the soft power button in the front of the oscilloscope should be lit green 2 Boot Check Press the soft power button and the light should change to red The oscilloscope then will show a boot animation and it will enter the normal interface afterwards 3 Connect Probe Take the probe found in the attachment and connect its BNC terminal to the BNC of channel 1 of...

Page 8: ...be insulation is in good condition and avoid physical contact with any metallic part of the probe 1 3 Front Panel 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Picture 1 3Oscilloscope Front Panel Screen display area Multipurpose knob Waveform recording setting Shuttle knob Function menu Numeric keypad Automatic setting Run stop Single trigger Clear all Probe compensation signal connector and gro...

Page 9: ... CH3 and CH4 The four channel labels are identified by different colors also corresponding to the colors of the waveforms on the screen and the channel input connectors Press any key to open the related channel menu or activate and close the channel MATH Press this key to open the mathematical operation menu for add subtract multiply divide FFT logic and advanced operations REF Loads the previousl...

Page 10: ...MENU Displays the contents of the trigger menu For details see Trigger setting system d FORCE Force trigger button press this button to force a trigger e HELP Displays the built in help system contents 4 Auto Setting When this key is pressed the oscilloscope will automatically adjust the vertical scale factor sweep time base and trigger mode according to the input signals Note When using the auto ...

Page 11: ...elect display settings such as display type format grid brightness waveform brightness duration color temperature inverse color temperature 11 Function Keys STORAGE Press this key to enter the storage interface The types that can be stored include settings waveforms You can store either in the oscilloscope internal or the external USB storage device UTILITY The utility menu can perform the setting...

Page 12: ...ion For example indicates DC coupling e Trigger level Indicates the current trigger level value corresponding to the on the right side of the screen Adjust the LEVEL knob in the trigger control area to change this parameter CH1 Vertical Status Displays CH1 activation state channel coupling bandwidth limitation vertical scale and probe attenuation coefficient Channel activation state When the backg...

Page 13: ...menu has two options Indicates that user can adjust by the Multipurpose knob The number of circles indicates the total pages of the menu There is no small circle for one single page For two pages or more small circles will be shown Press the key to turn the pages 1 7 Special Symbols Introduction Take the left menu as an example ...

Page 14: ...d state Open but not activated 2 2 Channel Coupling Press 1 coupling to select DC AC or grounding mode DC AC Grounding 2 3 Bandwidth limitation Press 1 bandwidth limitation to turn on the bandwidth limitation The B icon will appear on the vertical status bar The bandwidth of the oscilloscope is limited to about 20MHz and attenuates any signal above 20MHz It is commonly used to reduce the high freq...

Page 15: ...for the current channel Press 1 PgDn unit and adjust the Multipurpose knob to select the unit of V A W or U the default unit is V User can also switch the channel unit by consecutively pressing the unit key then press the Multipurpose knob to confirm the corresponding unit will appear on the channel status bar Chapter 3 Horizontal System Settings 3 1 Horizontal Scale Horizontal scale also called t...

Page 16: ... type key to turn on the extended window Or simply press the SCALE knob on the horizontal control area to directly enter the extended window the screen will be divided into two display areas as shown below Waveform before Magnification The upper part of the screen displays the original waveform which can be moved left and right through rotating the horizontal POSITION knob or zoom in and out the s...

Page 17: ...bserve the complex waveforms such as pulse train Hold off time is the amount of time the oscilloscope waits before re enabling the trigger circuit During the hold off period the oscilloscope will not trigger until the hold off time is over For example a set of pulse train which is required to trigger on the first pulse the hold off time can be set to the pulse train width Press the HORI MENU on th...

Page 18: ...g High resolution Envelope Average 2 8192 Auto 7k 70k 700k 7M 70M Acquisition Mode Average Memory Depth 4 1 Sampling Rate 1 Sampling and Sampling Rate Sampling means that the oscilloscope samples the input analog signal converts the sample to digital data and then collects the digital data into waveform records Finally the waveform record is stored in the acquisition memory Analog input signal Sam...

Page 19: ...in the normal sampling mode Noise might be enlarged in this mode 3 High Resolution In this acquisition mode the oscilloscope averages the neighboring points of the sampled waveform which can reduce the random noise on the input signal and produce a smoother waveform on the screen 4 Envelope Acquires multiple waveforms and calculates and displays the maximum and minimum values for all sampling poin...

Page 20: ...cilloscope as a trigger signal External Trigger Select the EXT Trig EXT or EXT 5 input terminal input signal from the back of the oscilloscope as a trigger signal For example the external clock input can be used on the EXT Trig terminal as a trigger source including EXT and EXT 5 EXT trigger level ranges from 1 8V 1 8V can be set EXT 5 trigger level range is increased to 9V 9V AC Line Power supply...

Page 21: ...ger data it can help to find out the cause of the burr 6 Forced Trigger Press the FORCE key to generate a forced trigger signal If the waveform is not displayed in normal or single trigger mode press the FORCE button to collect the signal baseline to check whether the acquisition is normal 5 2 Edge Trigger Edge trigger uses the rising or falling edge of the trigger signal to generate a trigger Pre...

Page 22: ...ng time Pulse Width Setting Adjust the Multipurpose knob shuttle knob or numeric keypad to set the pulse widthtime Pulse Width Polarity Press the pulse width polarity key to select the positive pulse width and negative pulse width In the oscilloscope the time difference between the two points where the trigger level intersects with the positive pulse is defined as the positive pulse width the time...

Page 23: ...early in the video signal you can set the memory depth a little bigger The UPO3000E series utilize the UNI T original digital three dimensional technology it uses a multi level grayscale display function so that different brightness can reflect the frequency of different parts of the signal Experienced users can quickly judge the signal quality during the debugging process and find the unusual con...

Page 24: ...ue between two intersection points where the high level low level intersect with the trigger signal 5 6 Runt Trigger The runt trigger is used to trigger a pulse that has crossed one trigger level but not the other In this oscilloscope the positive runt pulse is the pulse that crosses the lower limit of the trigger level but does not cross the upper limit of the trigger level the negative runt puls...

Page 25: ...essing the type key then press the Multipurpose knob to confirm At this time the trigger setting information is displayed at the upper right corner of the screen the trigger type is window the trigger source is CH1 and the low level of the trigger level is 124mV Window Trigger Menu Source Press the source key to select the source you can select CH1 CH2 CH3 and CH4 The currently selected source is ...

Page 26: ...e knob to confirm At this time the trigger setting information is displayed at the upper right corner of the screen the trigger type is delay the trigger source is CH2 and the low level of the trigger level is 0 00V Delay Trigger Menu Source 1 Press the source 1 key to select the trigger source you can select CH1 CH2 CH3 and CH4 The currently selected source is displayed at the upper right corner ...

Page 27: ... the timeout trigger to trigger the signal that the time interval T from the rising edge or falling edge of the input signal crosses the trigger level to the adjacent falling edge rising edge crosses the trigger level is greater than the set timeout time As shown in the following figure Press TRIG MENU type and select timeout by the Multipurpose knob You can also switch the trigger type by consecu...

Page 28: ...s the Multipurpose knob to confirm At this time the trigger setting information is displayed at the upper right corner of the screen the trigger type is duration the trigger source is CH1 and it is triggered at the rising edge the trigger level is 0 00V Duration Trigger Menu Source Press the source key to select the trigger source you can select CH1 CH2 CH3 and CH4 The currently selected source is...

Page 29: ...el and ends when the specified clock edge arrives The hold time begins when the specified clock edge arrives and ends when the data signal crosses the trigger level again as shown below The oscilloscope will trigger when the setup time or the hold time is less than the preset time Press TRIG MENU type and select setup hold by the Multipurpose knob You can also switch the trigger type by consecutiv...

Page 30: ...le time M M is the time between the 1st rising edge and the next rising edge P is the maximum time between the counting rising edge Press TRIG MENU type and select Nth edge by the Multipurpose knob You can also switch the trigger type by consecutively pressing the type key then press the Multipurpose knob to confirm At this time the trigger setting information is displayed at the upper right corne...

Page 31: ...firm At this time the trigger setting information is displayed at the upper right corner of the screen the trigger type is code pattern the trigger source is CH1 and the trigger level is 0 00V Nth Edge Trigger Menu Source Press the source key to select the trigger source you can select CH1 CH2 CH3 or CH4 The currently selected source is displayed at the upper right corner of the screen Note Only s...

Page 32: ...ransmission is called one frame shown in the figure below RS232 Selection Press DECODE type and select RS232 by the Multipurpose knob You can also switch the trigger type by consecutively pressing the type key then press the Multipurpose knob to confirm Source Press the source key to select the trigger source you can select CH1 CH2 CH3 or CH4 The currently selected source is displayed at the upper...

Page 33: ...me parity error and data 1 Start of Frame The waveform trigger is at the start bit of the RS232 protocol refer to figure Stable waveforms can be observed by choosing the start of frame trigger when single string signals or multiple same string signals are sent If the data being sent is changing the waveform will also change correspondingly 2 Error Frame 0 occurs in the stop state or a data error o...

Page 34: ...e two are compatible and can be combined Both SCL and SDA are connected to power through pull up resistors When the bus is vacant the two lines are at high level When any component of bus outputs low level the bus signals will become low That is to say the signals of multi components are wired AND logic The special logic relationship is the key point to realize bus arbitration The protocol require...

Page 35: ...nu 1 Comparison condition Used to determine the data you can select Valid when the trigger condition is data or address data triggers when the actual I2C protocol data is greater than the set data Valid when the trigger condition is data or address data triggers when the actual I2C protocol data is less than the set data Valid when the trigger condition is data or address data triggers when the ac...

Page 36: ...es 8 types and 5 Data Setting Adjust the Multipurpose knob to set the data value Decode Bus Please refer to the RS232 Decode Bus Trigger Setting Please refer to the Trigger Setting in the Edge Trigger section for more details 6 4 CAN Decode Optional CAN Controller Area Network is a kind of serial communication protocol which allows devices on the network to communicate with each other directly and...

Page 37: ... CAN protocol signal Remote frames are the same as data frames except that there is no data field Remote frames and data frames are differentiated by the arbitration field RTR bit 3 Error Frame Triggers on the error frame of the CAN protocol signal The error frame is represented by a 6 bit continuous level that breaks the bit stuffing rule followed by a recessive value logic 1 of a minimum of 8 bi...

Page 38: ...terface is mainly used for synchronous serial data transmission between the host and low speed peripheral devices Under the shift pulse of the host the data is transmitted in bytes that is to say higher byte first and then lower byte Since the SPI interface does not need to look for the slave address and is full duplex communication the protocol itself is relatively simple and therefore is widely ...

Page 39: ... to set the bid width of each frame of the SPI protocol signal it can be 4 16 Trigger Condition Press PgDn trigger condition to set the SPI trigger condition Enable chip select or idle time Enable chip select includes CS CS MOSI CS MISO CS Any It triggers on the edge where the chip select level jumps from invalid to valid Idle time includes Idle Idle MISO Idle MOSO Idle Any The idle trigger is tri...

Page 40: ...ath menu Source 1 Press the source 1 key to select any of CH1 CH2 CH3 CH4 as source 1 of mathematical operations Operator Press the operator key to select 1 The waveforms of source 1 and source 2 are added point by point 2 The waveforms of source 1 and source 2 are subtracted point by point 3 The waveforms of source 1 and source 2 are multiplied point by point 4 The waveforms of source 1 and sourc...

Page 41: ...recommended Screen Setting Press the screen setting key to set full screen or split screen 1 Split screen Displays the source waveform and the waveform of FFT operation result separately 2 Full screen Displays the source waveform and the FFT operation results on the same window that you can observe the spectrum more clearly and make more accurate measurements FFT Operation Tips Signals with DC com...

Page 42: ...lect any of CH1 CH2 CH3 CH4 as the source of digital filter Filter Type Press the filter type key to select low pass high pass band pass or band stop 1 Low pass Only signals with the source frequency lower than the current frequency upper limit are allowed to pass 2 High pass Only signals with the frequency higher than the current frequency lower limit are allowed to pass 3 Band pass Only signals ...

Page 43: ...s variables and operators The length of the expression must not exceed 36 characters 2 Channel You can select CH1 CH2 CH3 or CH4 3 Function Function options are as follows Descriptions Calculates the logarithm of the selected source Calculates the index of the selected source Calculates the sine value of the selected source Calculates the cosine value of the selected source Calculates the tangent ...

Page 44: ...e knob or shuttle knob to set the waveform brightness Persist Press DISPLAY persist to select MIN 50ms 100ms 200ms 500ms 1s 2s 5s 10s 20s or infinite Color Temperature Press DISPLAY PgDn color temperature select on and it will directly reflect the probability of waveform signal occurrence A waveform with a high frequency of occurrence is displayed in warm colors and a waveform with a low frequency...

Page 45: ... B or C D θ is the phase difference angle between channels and the definition of A B and C D are shown above it can be calculated that the phase difference angle θ arcsin A B or θ arcsin C D If the main axis of the ellipse is in the quadrants I III then the calculated phase difference angle should be in the quadrants I IV i e within 0 π 2 or 3π 2 2π If the main axis of the ellipse is in the quadra...

Page 46: ...reciprocal of the period Rise time Time needed for waveform amplitude rising from 10 to 90 Fall time Time needed for waveform amplitude falling from 90 to 10 Width The width of a positive pulse at 50 amplitude Width The width of a negative pulse at 50 amplitude FRR Time between the first rising edge of source 1 to the first rising edge of source 2 FRF Time between the first rising edge of source 1...

Page 47: ...ameter on the screen Press the user defined key again to close the user defined parameter dialog box Options Ch1 CH2 CH3 CH4 MATH Off On Functions Signal Source All Parameters User Defined Close this function Automatic calculates and displays the current user defined parameters of the average maximum and minimum Only applicable when user defined parameters are present Automatic calculates and disp...

Page 48: ...arameter selection interface is displayed As shown below Select the parameters by adjusting the Multipurpose knob and press the knob to confirm For every selected parameter a symbol will appear in front of the parameter Press the user defined F3 key to close the user defined parameter selection menu and the parameters will be displayed at the bottom of the screen For convenience and immediate view...

Page 49: ...e adjustment method of cursor BX is the same as AX BX AX The time measurement 1 BX AX The reciprocal of time or frequency For a periodic signal if the AX and BX are set at the same position on the rising edge of two adjacent cycles then BX AX is the period of the signal and 1 BX AX is the frequency of the signal Voltage Indicates the waveform voltage value of the current cursor position that is AY...

Page 50: ...the settings to the oscilloscope Press save to save the settings to an external USB storage device Filename can be chosen with the Multipurpose knob Names can be chosen from set001 set002 set255 Saves settings to a specified storage location Loads the previously saved settings in the specified memory location to return the oscilloscope to the previously saved setting state Options Setting DSO USB ...

Page 51: ...ng time base scale and amplitude scale At this point you can use the vertical and horizontal control knob to adjust the Ref wavform s position on the screen the time base scale and the amplitude scale Remark Only when the oscilloscope is connected to an external USB storage device such as a USB flash drive can you select the disk as USB and then save the settings to the USB storage device When the...

Page 52: ... frequency 10Hz 100Hz 1kHz 10kHz Frequency meter Press UTILITY PgDn frequency meter select on and will be displayed at the top of the screen The frequency meter is the counter of trigger event frequency in the trigger channel it is valid when trigger type is edge or pulse width AUX Output Selection Press UTILITY PgDn output selection to select trigger or Pass Fail Trigger AUX output terminal outpu...

Page 53: ...ording Interval Set the interval between each frame of the waveform recording Press the recording interval key and adjust the Multipurpose knob shuttle knob or numeric keypad to set End Frame Press the end frame key and adjust the Multipurpose knob shuttle knob or numeric keypad to set that the waveform recording will automatically stop recording when it reaches this frame Playback Delay Set the i...

Page 54: ...ber of frames failed Stop Setting Press PgDn stop setting to enter its menu as follows Descriptions Set the Pass Fail function to stop the test automatically after it reaches the specified threshold value of pass Set the Pass Fail function to stop the test automatically after it reaches the specified threshold value of failure Set the stop condition Use the Multipurpose knob to set the stop condit...

Page 55: ... Pass Fail function will run continuously and stop once 10 fail tests have been reached or the user manually suspends the test when operate is set to off 12 4 System Upgrade This series oscilloscope can use U disk to upgrade the software to give users a more convenient and flexible experience To use this feature please follow the following steps Press UTILITY to enter the auxiliary function menu t...

Page 56: ...he open channels and not for the closed channels 13 2 Run Stop Use the RUN STOP key on the front panel for control When the key is pressed and the green light is on it indicates the RUN state and if the red light is on after the key press it is the STOP state In the running state the oscilloscope is continuously acquiring waveforms and the upper part of the screen shows AUTO in the stop state the ...

Page 57: ...Menu Display Square Wave Output Backlight Brightness Output Selection Bias Voltage CH2 CH3 CH4 MATH REF Extended Window Off Off Off Off 1μs div 0 Horizontal midpoint 100 00ns Edge CH1 Rising DC Automatic Vector YT 50ms 40 40 Waveform Off Off clear all measurements Off Keep the settings that saved at shutdown Manual 1kHz 30 Keep the settings that saved at shutdown Vertical System Horizontal System ...

Page 58: ...log channel input Check the analog channel of the input signal and that channel is open Connect the probe to the probe compensation signal connector on oscilloscope s front panel and check whether the probe is normal Check to see if there is a signal to be detected solve the problem by comparing the channel with signal generated and the one with problem Press AUTO button for signal re acquisition ...

Page 59: ...ange reaches or exceeds 5 degree Celsius user must turn on the system function menu to perform self correcting Input Input Coupling Input Impedance Probe Attenuation Coefficient Maximum Input Voltage DC AC GND 1MΩ 2 18pF 3pF 0 001 0 01 0 1 1 10 100 1000 CATI 300 Vrms CATII 100 Vrms Transient Overvoltage 1000 Vpk Vertical Model Analog Bandwidth Rise Time Typical Channels Vertical Resolution Vertica...

Page 60: ... negative delay 1 screen width Post trigger positive delay 1s 50s YT XY ROLL 200 000 wfms s Sampling Sampling Mode Real time Sampling Rate Acquisition Mode Average Value Waveform Interpolation Memory Depth Real time sampling 2 5GS s single channel 1 25GS s dual channel 1 25GS s quad channel Sampling peak detection high resolution envelope and average After all channels have reached N samples at th...

Page 61: ...XT S 9V Automatic normal single 80ns 10s 80kHz 8kHz Reduces waveform noise 10 mV div 20 V div the sensitivity of DC coupling trigger is reduced 2 times 1div Edge Trigger Edge Type Rising falling any Pulse Width Trigger Pulse Width Condition Polarity Pulse Width Range Positive negative pulse width 3 2ns 10s Runt Trigger Pulse Width Condition Polarity Pulse Width Range Positive negative polarity 6 4...

Page 62: ... falling edge Greater than less than within range out of range Normal 6 4ns 10s Lower time limit 6 4ns 10s Upper time limit 28 8ns 10s Delay Trigger Edge Type Delay Type Delay time Timeout Trigger Edge Type Timeout Rising edge falling edge any edge 6 4ns 10s Duration Trigger Code Trigger Condition Duration Time H L X Greater than less than within range Normal 6 4ns 10s Lower time limit 6 4ns 10s U...

Page 63: ...6 4ns 10s Video Trigger Signal System Frequency Range Horizontal Scanning Supports standard NTSC PAL and SECAM broadcast system with line numbers ranging from 1 525 NTSC and 1 625 PAL SECAM Code Trigger Code Setting H L X rising edge falling edge RS232 Decode Optional Trigger Condition Baud Rate Data byte width Start of frame error frame parity error data 2400bps 4800bps 9600bps 19200bps 38400bps ...

Page 64: ...lock Edge Chip select timeout 80ns 1s 4 bits to 32 bits H L X Rising edge falling edge USB Decode Optional Signal Speed Trigger Condition Low speed full speed Synchronization reset pause restore packet tail token packet data packet handshake packet SOF error CAN Decode Optional Signal Type Trigger Condition Signal Rate Rx Tx CAN_H CAN_L Difference Frame start frame type ID data ACK missing bit stu...

Page 65: ...gative pulse width rise delay fall delay FRR FRF FFR FFF LRF LRR LFR LFF positive duty ratio negative duty ratio phase area cycle area Displays 5 measurements at the same time Screen or cursor Average maximum minimum standard deviation and the number of measurements 6 bit hardware frequency meter Measure Cursor Automatic Measurement Number of Measurement Measurement Range Measurement Statistics Fr...

Page 66: ...ge device it can also store the relevant parameter information Display Display Type Display Resolution Display Color Duration Menu Duration Display Type 8 inch TFT LCD 800 horizontal RGB 480 vertical pixels Minimum 50ms 100ms 200ms 500ms 1s 2s 5s 10s 20s and infinite 1s 2s 5s 10s 20s manual Point vector Interface Standard Optional Interface Standard USB Host USB Device LAN VGA EXT Trig AUX Out Opt...

Page 67: ...5A T 250V Operational 0 40 Non Operational 20 60 Fan forced cooling Operational below 35 90 relative humidity Non Operational 35 40 60 relative humidity Operational below 3000m Non Operational below 15 000m Environment Temperature Range Cooling Method Humidity Range Altitude Mechanical Specifications Size Weight 370mm W 195mm H 125mm D 4 2kg Calibration Interval Recommend to perform calibration on...

Page 68: ... sale of products from authorized dealer s delivery date of three years without any defects in materials and workmanship If the product is proven to be defective within this period UNI T will repair or replace the product in accordance with the detailed provisions of the warranty To arrange for repair or acquire warranty form please contact the nearest UNI T sales and repair department In addition...

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