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8. RS232 interface

Connect to the computer via 9-pin RS232 cable.

9. Analog current monitor output

User can observe the DUT output current level by connecting to an
oscilloscope to monitor the current level.

10. Analog voltage monitor output

User can observe the DUT output voltage level by connecting to an
oscilloscope to monitor the current level.

11. FAN

12. Sense terminal, External control terminal, PWM output terminal

Terminals used in conjunction with various external functions.

Summary of Contents for T3EL15030 P Series

Page 1: ...T3EL15030xP Programmable DC Electronic Load User Manual 5 Commonwealth Ave Woburn MA 01801 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com...

Page 2: ...t CC Mode 15 Constant Volatage CV Mode 17 Constant Resistance CR Mode 20 Constant Power CP Mode 22 Continuous Mode 25 Pulse Mode 28 Toggle Mode 31 OCPT Test Function 34 OPPT Test Function 37 Battery T...

Page 3: ...2021 Teledyne LeCroy Inc All rights reserved Users are permitted to duplicate and distribute Teledyne LeCroy Inc documentation for internal educational purposes only Resale or unauthorized duplication...

Page 4: ...lectric shock Before connecting to the instrument read the manual to understand the input output ratings Do not operate with suspected failures If you suspect that the instrument is damaged contact th...

Page 5: ...ame or Chassis Terminal ON Standby Power Operating Environment Temperature 0 C to 40 C Relative Humidity 5 to 80 RH at 30 C Altitude 2000 m at 30 C Use indoors only Pollution degree 2 Use in an operat...

Page 6: ...Handle Adjustment Users can adjust the handle to the required position by pulling the mounting points outward and adjusting the handle position Handle Adjustment Horizontal Position Carrying Position...

Page 7: ...ingle channel DC 150 V 30 A total power up to 200 W T3EL150303P Single channel DC 150 V 30 A total power up to 300 W 4 Static modes Dynamic mode CC CV CR CP CC Dynamic modes continuous pulsed toggled...

Page 8: ...he front panel and display interface of the T3EL15030xP and also tips for how to check and operate the digital load for the first time This chapter includes The front panel The rear panel Connecting p...

Page 9: ...e knob to increase or decrease the value of the digit at the cursor When browsing the setting object sense voltage and current protection store or read files and switch modes etc rotate the knob to qu...

Page 10: ...Press the button to enter the constant power mode Enter Utility mode by pressing the shift button at the same time Press the button to enter the constant resistor mode Enter LED mode by pressing the...

Page 11: ...low the AC power socket 4 Fuse The location of the AC input fuse Please refer to point 2 for the AC input fuse rating 5 AC line power selection switch AC Input Voltages 110 220 V 6 LAN interface Use t...

Page 12: ...vel by connecting to an oscilloscope to monitor the current level 10 Analog voltage monitor output User can observe the DUT output voltage level by connecting to an oscilloscope to monitor the current...

Page 13: ...age selector setting located at the rear panel of the instrument matches the actual input voltage 3 Check the fuse When the instrument leaves the factory the specified fuse is installed Please check t...

Page 14: ...he load s mode 2 Displays the load s state 3 Displays a Short state 4 Remote sense mode 5 LAN connection icon 6 USB connection icon 7 Keyboard lock 8 Setting value 9 Measured output values 10 Voltage...

Page 15: ...ease follow the steps below 1 Turn off the instrument and remove the power cord 2 Insert a small straight screwdriver into the slot at the power socket and gently pry out the fuse seat 3 Adjust the po...

Page 16: ...l Remote Operation Mode Static Operation Mode Transient Test Function OCPT Test Function OPPT Test Function Auto Test Function LED Test Function Waveform Display Function Store and Recall Rear Panel T...

Page 17: ...emote Operation Mode In the Remote operation mode you can send programming commands from a controller computer via any one of the interfaces GPIB USB RS232 or LAN In Remote operation mode all the keys...

Page 18: ...urrent CC Mode In CC mode the electronic load will sink a current in accordance with the programmed value regardless of the input voltage as shown in Figure 2 1 Constant Current Mode Figure 2 1 Voltag...

Page 19: ...e mode 36 V or 150 V Note The lower ranges provide better resolution and accuracy at low current settings 4 Set the current input value This is the amount of current that the load will attempt to draw...

Page 20: ...e 2 4 By default the current waveform is displayed When the input voltage changes the load will sink a constant current Press the Display key again to exit the waveform display interface and return to...

Page 21: ...TION While making a connection the positive polarity of the load should be connected to the terminal of the channel output and the negative polarity of the load to the terminal of the channel output I...

Page 22: ...oltage of the system default value is 0 V Warning To avoid electric shock ensure that the DUT is connected to the input terminals of the load properly before you turn on the channel input 6 Press the...

Page 23: ...Operating Steps 1 Turn off the instrument as shown in Figure 2 2 connect the DUT and the channel input terminals on the front panel of the load CAUTION While making a connection the positive polarity...

Page 24: ...nterface Note The load will begin to sink current only if the input voltage is greater than the conduction voltage of the system default value is 0 V Warning To avoid electrical shock ensure that the...

Page 25: ...power sink following the equation P V I as shown in Figure 2 11 Constant power mode Figure 2 11Voltage Current Relationship Schema under CP Mode Operating Steps 1 Turn off the instrument as shown in...

Page 26: ...wer will be displayed on the main interface Note The load begins to sink power only if the input voltage is greater than the conduction voltage of the system default value is 0 V Warning To avoid elec...

Page 27: ...ful when testing the dynamic performance of a power supply or source Press Shift CC key on the front panel to enter the dynamic test interface Before testing it is important to configure the load set...

Page 28: ...as example other modes function in a similar fashion procedure 1 Connect device Power on instruments Connect the DUT and the channel input terminals of the electronic load as shown in Figure 2 2 2 Set...

Page 29: ...el rising slew rate falling slew rate A_width B_width and trigger selection The interface menu can be divided into three pages Set range Current range 5 A or 30 A Voltage range 36 V or 150 V Set A_lev...

Page 30: ...p Ext sets the trigger type to external which looks for a valid trigger on the rear panel Ext Trig input Bus is a trigger sent over the remote control bus See Set trigger in Section 3 for more details...

Page 31: ...he A values after maintaining B for the set pulse width time as shown in Figure 2 19 Figure 2 19 Transient CC Pulse Mode Cont Take CC mode as an example other modes are similar Operating Steps 1 Conne...

Page 32: ...ly mode that requires a set slew rate Switch to pulse mode by pressing the Mode key as shown in 2 20 2 21 2 22 Figure 2 20 CC pulse mode page 1 Figure 2 21 CC pulse mode page 2 Figure 2 22 CC pulse mo...

Page 33: ...A Set width Width The time duration for the step to sink current Level B Units are s or ms and setting range is 0 020 ms 999 s Slew_RIS and Slew_FALL Slew_RIS and Slew_FALL The rate of change to a ne...

Page 34: ...display function to see the waveform more clearly Toggle mode Under Toggle mode Tog when you enable the dynamic test operation the load will switch from the A value to the B value after receipt of a...

Page 35: ...y the default mode but also the only one mode that requires setting the slew rate Switch to Tog mode by press the Mode key as shown in 2 24 2 25 2 26 Figure 2 24 CC Tog mode page 1 Figure 2 25 CC Tog...

Page 36: ...ew_FALL Slew_RIS and Slew_FALL The rate of change to a new level from the current sink value of the load Its unit is A us and the setting range is 0 001 2 5 A us 3 Enable trigger Press Shift CP key to...

Page 37: ...hat OCPT did not occur If the load has not reached the maximum current set point I_MAX the sink current will increment again The load proceeds to run and increases with regular steps until it reaches...

Page 38: ...Press the Shift CV key on the front panel select OCPT then enter OCPT test operation as shown in 2 28 2 29 2 30 Figure 2 28 OCPT Test Function Page 1 Figure 2 29 OCPT Test Function Page 2 Figure 2 30...

Page 39: ...e load stops the OCPT test sequence The default unit for I_End is Ampere A Set I_MIN The minimum value of the protection current in OCPT test function The default unit for I_End is Ampere A Set I_MAX...

Page 40: ...tarts if the input voltage is less than the Von value the load will start when the delay time specified by the delay setting has expired The power increases with incrementing steps set by P_Step At ea...

Page 41: ...evice Power on the instrument connect the DUT and the channel input terminals of the electronic load as shown in Figure 2 2 2 Set running parameters Press the Shift CV key on the front panel select OP...

Page 42: ...39 Figure 2 33 OPPT Test Function Page 1 Figure 2 34 OPPT Test Function Page 2 Figure 2 35 OPPT Test Function Page 3...

Page 43: ...W Set P_End The sink power when the load stops the OPPT test sequence The default unit for P_End is Watts W Set P_MIN The minimum value of the protection power in the OPPT test function The default u...

Page 44: ...r P Press the Display key again to exit the waveform display interface and return to the main interface of OPPT test mode Figure 2 36 Waveform display interface of OPPT Battery Test Function The Batte...

Page 45: ...her modes are similar Operating Steps 1 Connect device Power on the instrument and connect the DUT and the channel input terminals of the electronic load as shown in Figure 2 2 2 Set running parameter...

Page 46: ...range 36 V or 150 V Set current The discharge current of the Battery test function The default unit for the value is Ampere A Set V_Stop The cut off voltage in the Battery test function When the batt...

Page 47: ...e termination conditions are met the load will pop up a message box stating Battery test compelete which will disappear by pressing any key Note Once the channel input is turned on the load will not s...

Page 48: ...umentation All listed data is stored in non volatile memory with list as the file extension This secures the data and makes it easy to store and edit directly from the SDL front panel As shown in Figu...

Page 49: ...nge Step Count Storage and Trig The interface menu can be divided into two pages To edit the values of the list use the front panel arrows and keypad to navigate the list step table and adjust each st...

Page 50: ...rameter list of List mode includes step sink value of each step running time of each step slew rate readback current readback voltage readback resistor readback power The arrow in the right of paramet...

Page 51: ...o exit the waveform display interface and return to the main interface of List test mode Figure 2 44 Waveform display interface of List mode 5 Storage In the List function interface you can press Save...

Page 52: ...shown in 2 45 Figure 2 45 Program Test Function The parameters for the program test mode include Step Storage Trig Result Set Step Set the number of steps you wish to run in this specific program Set...

Page 53: ...otate the knob to enable it Then the load will short the circuit at this step when running an auto test 5 Set Loading Time Ton This is the time duration of each step and its range is 0 01 100 seconds...

Page 54: ...the input channel Press On Off to turn on the channel input At this time the actual discharge voltage current time and capacity will be displayed on the main interface The parameter status can be disp...

Page 55: ...external memory and you can read and recall it if necessary by pressing Recall The T3EL15030xP can save ten Program files LED Test Function This function adds a break over voltage setting to the conve...

Page 56: ...ear the static working point as shown in the red circle of the curve Users also can calculate the value of Vd and Rd according to methods below Vd V 0 8 Rd 0 2 V I Operating Steps 1 Connect device Pow...

Page 57: ...ting point Set Rco Set Rd by the following formula 3 Turn on the input channel Press On Off to turn on the channel input At this time the actual sink voltage current power resistance will be displayed...

Page 58: ...lay interface and return to the main interface of LED test mode Figure 2 47 Waveform display interface of LED test mode Waveform Display Function The electronic load provides the waveform display func...

Page 59: ...art When the Pause key is pressed the load will suspend the data collection and graphing of the waveform When the Start key is pressed the load will continue to graph waveform These operations govern...

Page 60: ...ss the File softkey to open the file dialog window 3 Use the keypad arrows to navigate and select the data file in CSV format that you wish to replay 4 Press the Read key the instrument will read the...

Page 61: ...es to the USB storage device and you can also copy the files from Disk C to Disk D The number of files that can be saved is determined by the storage space of the disk Press Restore key on the front p...

Page 62: ...aracter selection area in the interface Press up and down key to select character in vertical direction and press left and right key to select character in the horizontal direction Then press Enter ke...

Page 63: ...d press Paste in the target path to paste the file to Disk D Only one file can be copied and pasted at a time Delete Users can delete files in Disk C and Disk D Operating steps 1 Press Restore to ente...

Page 64: ...tage of the DUT the load provides Sense remote sense working mode In this mode the Sense terminals as shown in figure 2 51 are directly connected to the output terminals of the DUT Remote sensing comp...

Page 65: ...oltage of the terminals in any function Tip In case where the DUT outputs large currents the load leads should be as short as possible Twisting the sense leads can also assist in minimizing measuremen...

Page 66: ...that represents the input from zero to full range Users can use an external voltmeter or oscilloscope to observe the trend of the input current or voltage Short Circuit monitor The load can deliver a...

Page 67: ...otect to set relevant parameters such as current value and delay time If the load sink current is greater than the protection current value the load input will automatically be disabled and an overcur...

Page 68: ...hen the temperature of the load decreases and is below the protection point press any key on the front panel of the load to clear the error and exit OTP status Input Reverse Polarity Protection RPP Wh...

Page 69: ...ction System Press Shift and the CP key to enter the System utility function interface Then press System to enter the System info interface as shown in figure 3 1 and 3 2 Figure 3 1 System info page 1...

Page 70: ...nglish Chinese 5 Factory Factory tab Reset the system to the default settings 6 Upgrade Upgrade tab Select software version and upgrade the load 7 BoardTest BoardTest Includes LCD test LED test LCD te...

Page 71: ...nication interface Note The USB and LAN interface of the load are hot swappable and can be connected and disconnected while the instrument is powered on USB RS 232 GPIB LAN cannot be used at the same...

Page 72: ...owing figure For the descriptions of the pins refer to Table 3 2 Figure 3 5 RS232 Interface Table 3 2 Pin description of RS232 Pin Name Description 1 NC No Conjunction 2 TXD Transmit Data Data transmi...

Page 73: ...s ii Parity The available parity modes include None Even and Odd iii Stop Bits The available stop bits include 1 or 2 iv Data Bits The default data bits is 8 v Flow The default flow is None Set GPIB A...

Page 74: ...AN where the computer is visible and ensure sufficient connectivity Press Interface to enter the communication interface tab and then press the LAN key to select the LAN tab to enter the network param...

Page 75: ...IP In this mode the user needs to set sufficient IP net parameters Physical address is also called media access control address MAC address It is also called the hardware address which can be used to...

Page 76: ...buzzer will sound when pop up tips or warning messages Turn off the Tips sound and the buzzer will not sound except during any load protection tips 3 4 Language The load supports English and Chinese l...

Page 77: ...nel Finally select the proper firmware upgrade version in the interface of the USB file list 3 7 BoardTest Users can check the current status of the load by using the BoardTest function This feature t...

Page 78: ...ed even if a failure is detected Break Over Voltage When testing power products with slow voltage rise rates if the electronic load input is opened before power the power may latch protection In this...

Page 79: ...ad will execute a trigger operation when it receives the remote command such as TRG from USB LAN RS232 and GPIB interface The Ext monitor terminals on the rear panel of the load can receive external t...

Page 80: ...oltage is not suggested to be greater than 10V otherwise it may destroy the load Users can simulate input current of the load which ranges from zero to full current range Operating Steps 1 Connect dev...

Page 81: ...range 36 V or 150 V Set External Input Voltage The sink current in ExtI mode can be controled by the external input voltage which range is 0 10 V The default unit of current is A 3 Turn on the input...

Page 82: ...ExtI mode Figure 3 13 Waveform display interface of ExtI mode ExtV After selecting ExtV tab the load will enter ExtV interface It includes Type RangeI RangeV three options The sink voltage of the loa...

Page 83: ...tI interface after press INT and choose ExtV tab as shown in 3 14 Figure 3 14 The main interface of the ExtV mode The parameters for the ExtV mode include RangI and RangV Set Range Current range 5 A o...

Page 84: ...e current until the input voltage is greater than the break over voltage 4 View waveform Press Display key to enter waveform display interface as shown in figure 3 15 By means of observe waveform of E...

Page 85: ...voltmeter or oscilloscope can be connected to display input current change VMON The 0 10 V analog quantity output signal of voltage monitoring output terminal represents input voltage to which the te...

Page 86: ...alling time 8 Close all instruments and finish the test Limits I_Protect T3EL15030xP electronic load can have overcurrent protection set by the electronic load control software Turn on the load input...

Page 87: ...ad can simulate overpower protection by the software of the load Turn on the load input if the sink power of the load is higher than the protection power the load will turn off input automatically and...

Page 88: ...the DC power under test when the power is OFF 4 Set a sink current in CC mode of the load 5 Turn on the power output and the load input Delay a period of time the overpower protection of the load will...

Page 89: ...act Teledyne LeCroy 2 The USB device cannot be identified 1 Check whether the USB device is correctly working 2 Check whether the USB Host interface of the electronic load is correctly working 3 Make...

Page 90: ...t por olio by adding a comprehensive range of test equipment solu ons for its customers The new range of product solu ons deliver engineers with a broad range of quality test solu ons that enables spe...

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