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PEL-8000 Series Electronic Load

User Manual

MATRIX TECHNOLOGY INC.

Version number: V2.0

Summary of Contents for PEL-8000 Series

Page 1: ...www szmatrix com I PEL 8000 Series Electronic Load User Manual MATRIX TECHNOLOGY INC Version number V2 0 ...

Page 2: ...de 12 4 1 2 3 fixed resistance switch voltage mode 13 4 1 3 Constant voltage operation mode CV 13 4 1 3 1 Standard constant voltage mode 13 4 1 3 2 load unload constant voltage mode 14 4 1 3 3 Soft start constant voltage mode 14 4 1 4 Constant power operation mode CP 15 4 1 4 1 Standard fixed power mode 15 4 1 4 2 Load Unload Constant power mode 15 4 2 DYNAMIC TEST OPERATION 16 4 2 1 Continuous mo...

Page 3: ...2 4 5 4 Reverse input polarity 22 4 5 5 Over Temperature Protection OTP 23 4 6 REMOTE TEST FUNCTION 23 4 7 BATTERY DISCHARGE TEST OPERATION 23 4 8 COMMUNICATION PROTOCOL 24 4 8 1 Overview 24 4 8 2 Select the communication baud rate 25 4 8 3 Data 25 4 8 4 Function Code 25 4 8 5 error checking 25 4 8 6 Complete command frame parsing 25 4 8 7 Coil and register address assignment 28 4 8 8 Command Regi...

Page 4: ...rent constant resistance constant voltage constant power constant current constant voltage constant resistance constant voltage six kinds of high speed action mode Overcurrent overvoltage over power overheating reverse polarity protection High brightness vacuum VFD screen double row four simultaneous display According to temperature change stepless servo intelligent fan system LOAD ON time setting...

Page 5: ...0 150W 0 300W 0 300W Resolution 1mW 10mW 1mW 10mW Accuracy 0 1 0 1 FS 0 1 0 1 FS V Measureme nt Voltage 0 19 999V 0 150V 0 19 999V 0 150V Resolution 1mV 10mV 1mV 10mV Accuracy 0 015 0 03 FS 0 015 0 03 FS 0 015 0 03 FS 0 015 0 03 FS C Measureme nt Current 0 3A 0 30A 0 6A 0 60A Resolution 0 01mA 0 1mA 0 01mA 0 1mA Accuracy 0 03 0 05 FS 0 03 0 08 FS 0 03 0 05 FS 0 03 0 08 FS W Measurement Watt 100W 1...

Page 6: ...5mS 10mS 20mS 50mS 100mS 200mS 500mS 1000mS Accuracy 15 offset 10 FS Short Circuti Current CC 3A 33A 6 6A 66A Valtge CV 0V Resistance CR 55mΩ 25mΩ Temperature Operating 0 40 Storage 10 70 Dimension W H D mm 214 108 365 Weight Kg 3 5 3 5 ...

Page 7: ... flat blade screwdriver to open the small plastic cover under the power input socket on the rear panel of the load to see the fuses Use fuses of the above specifications Fuse position as shown below Figure 3 1 fuse position step VFD display details When the electronic load power is turned on SYSTEM SELF TEST Vx x System self test and display the product model and software version number After abou...

Page 8: ...display and knob 2 The lower part of the panel from left to right are 0 9 numeric keys and ESC exit key function key up and down move key and Enter key input and output terminals PEL 8000 series electronic load rear panel as shown below Remote measurement terminal trigger input and output interface Multi function communication interface GPIB RS232 RS425 USB transfer ...

Page 9: ...on keys and or knob to turn VFD screen the following functions will appear in sequence Press the Enter key at this time and you will be taken to the function selection where the cursor is You can use the up down keys and or the knob to turn the VFD screen Press the Enter key to enter the next submenu Press Esc to return to the previous menu MENU CONFIG INPUT RECALL Set the input state at load powe...

Page 10: ... selection FRONT Select front panel terminal input BACK Select the rear panel terminal input EXIT LIST LOAD LIST Select LIST file 1 8 EDIT LIST Edit LIST file MINIMUM TIME Editing the minimum time fineness 0 02 1310 7mS LIST MODE LIST output mode CONTINOUS Continuous output END HOLD The end of the output holds the last output level END RESET End of output to maintain no load output STEP LENGTH Tot...

Page 11: ...e test parameter MAXIMUM xxxx Enter the test parameter limit SETUP AUTO TEST TRIGGER Trigger output selection WHEN PASS When the test is passed the trigger output is activated WHEN FAIL When the test fails the trigger output is activated WHEN TEST END When the test is completed the trigger output is activated DISABLE Prohibit triggering output OUTPUT Output electrical characteristics of choice PUL...

Page 12: ...cted constant current value is reached If Unreg indicates that the load can not be adjusted to the preset current value correctly check whether the source under test is properly connected and turned on or whether the source under test can output the preset current value In this case if you want to fine tune the set current value you can use the rotary encoder in the upper right corner clockwise to...

Page 13: ...el will display OFF To change the input status to ON press the On Off button The CC_UN or Unreg CC_UN indicates that the expected constant current value is reached If Unreg indicates that the load can not be adjusted to the preset current value correctly check whether the source to be measured is correctly connected and turned on whether the voltage is within the normal range or whether the source...

Page 14: ...On the number keys and decimal point keys enter the desired constant voltage value from high to low and press Enter key to confirm then the load into the constant current transfer voltage mode In this case if the input status is OFF the upper right corner of the display panel will display OFF To change the input status to ON press the On Off button The CC CV or Unreg CC CV indicates that the expec...

Page 15: ...n order to achieve the adjustment fineness adjustment 4 1 2 2 Loading and unloading fixed resistance mode The principle of loading and unloading mode please refer to 4 1 1 2 instructions In the standard constant resistance mode press Shift 1 V_Level key to enter the load and unload constant resistance mode the load display ONSET VOLT xxxxxxxxV prompts the current load voltage at this time you can ...

Page 16: ...ase check whether the source under test is properly connected and turned on and the voltage is within the normal range Pressing Shift 5 CR CV while loading unloading resistor mode the load will return to the standard constant resistance mode 4 1 3 Constant voltage operation mode CV In constant voltage mode the electronic load will consume enough current to maintain the input voltage at the set vol...

Page 17: ... and press Enter key to confirm the load display OFFSET VOLT xxxxxxxxV prompts the current unloading voltage at this time you can press the number keys and decimal point keys on the panel from high to Low enter the desired unloading voltage value in turn and press the Enter key to confirm the load into the load unload resistance mode If the input status is OFF the upper right corner of the display...

Page 18: ...upper right corner of the display panel will display OFF To change the input status to ON press the On Off button The upper right corner of the display panel displays CW or Unreg Indicates that the expected power value has been reached If Unreg indicates that the load can not be adjusted to the preset power value correctly check whether the power source is properly connected and turned on or if th...

Page 19: ...r mode 4 2 dynamic test operation Dynamic test operation enables the load to repeatedly switch between the two load currents or voltages This function can be used to test the dynamic characteristics of the power supply Dynamic test operations can be enabled or disabled using the Shift Tran key Prior to a dynamic test operation the relevant parameters of the dynamic test operation Shift S Tran shou...

Page 20: ...s FALLING TM xxxxxxxxmS to indicate the falling time of the current setting from B to A Press the numeric keys and decimal point keys on the panel to enter the desired value from high to low sequentially and press Enter to confirm At this time the load displays TRANMODE CONTINUOUS TRANMODE PULSE TRANMODE TRIGGER to indicate the currently set dynamic test mode Press or key to select the mode you wa...

Page 21: ...prompt MINIMUM TM xxxxxx mS which is prompted to enter the minimum time unit to be set This value affects the fineness and operational length of arbitrary waveforms Please choose your own parameters carefully After entering the data and pressing Enter the load prompts the following three output modes The user can select with or and confirm with Enter LIST CONTINOUS Expressed as a continuous output...

Page 22: ...r trigger 4 2 8 1 Edit automatic test list 1 Press Shift 0 to enter the menu setting press or key until the load prompts MENU AUTO TEST press Enter key to enter press or key until the load prompts EDIT AUTO TEST press Enter key to enter Press or key to select the serial number to be set and press Enter to enter the automatic test list edit menu 2 The load shows STEP LENG XX at this time prompting ...

Page 23: ...hen the test fails to start a trigger output TRIGGER WHEN TEST END When the test is completed trigger the output once TRIGGER DISABLE Prohibit triggering output At this point the load prompts the following two trigger output electrical characteristics Prompt information significance OUTPUT LEVEL When the output is triggered the level goes from low to high and only lowers when there is a key or tri...

Page 24: ... not affect the current set value when the short circuit operation is switched back to the OFF state the load returns to the original setting state The actual current consumed when the load is short circuited depends on the operating mode and current range of the current load The maximum short circuit current is 120 of the current range in CC CW and CR modes In CV mode the short circuit is equival...

Page 25: ...me users can input the maximum current value required by numeric keys and decimal point and press Enter key to confirm At this point the user can press the Esc key to exit the MENU main menu Please note that the maximum current for the PEL 8150 load is 30 A maximum and settings in excess of 30 A will be automatically adjusted to 30 A In addition the setting of the current maximum will affect the r...

Page 26: ...y voltage is near zero without any change of signal please check whether the connection mode is in phase with the remote test function match 4 7 battery discharge test operation Experiments show that the best way to determine whether the battery is working with a load test Only by performing the correct load test can you determine if the battery is at the expected life curve position The PEL 8150 ...

Page 27: ...tion methods Support 2400 9600 14400 28800 57600 115 200 total of 6 baud rate options 1 Additional address and communication parameter setting The additional address is single byte hexadecimal data and the load only responds to the request data frame whose additional address is the same as the local additional address 2 Set the additional address Press Shift 0 to enter the main menu the load will ...

Page 28: ... the hexadecimal data in the data field as well as the floating point numbers are high byte first and low byte last In addition in the write coil output value the data must be 0x0000 and 0xFF00 where 0x0000 means the position is zero and 0xFF00 means the position 1 4 8 4 Function Code Function code is single byte hexadecimal data currently only open the following four kinds of functional modes fun...

Page 29: ...AT address known as 0x0510 Send request 0x01 0x01 0x05 0x10 0x00 0x01 0xFC 0xC3 Get normal reply 0x01 0x01 0x01 0x48 0x51 0xBE Wherein 0x48 is the data that is read back and the lowest bit is 0 then the input status ISTATE of the load is OFF 2 Write the coil Request frame Byte length value Additional address 1 1 200 function code 1 0x05 initial address 2 0 0xFFFF output value 2 0x0000 or 0xFF00 Ch...

Page 30: ...mal frame Byte length value Additional address 1 1 200 function code 1 0x83 Abnormal code 1 1 4 Check code 2 Example Load communication address is 1 read the current voltage value U Table 4 8 7 Table 2 shows the current voltage value U register address 0x0B00 Send request 0x01 0x03 0x0B 0x00 0x00 0x02 0xC6 0x2F Get the normal reply 0x01 0x03 0x04 0x41 0x20 0x00 0x2A 0x6E 0x1A One 0x41 0x20 0x00 0x...

Page 31: ...G 0x0502 1 W R Trigger marker bit software can be set to complete a trigger REMOTE 0x0503 1 W R 1 Voltage remote input ISTATE 0x0510 1 R Enter the state 1 for the input ON 0 for the input OFF TRACK 0x0511 1 R Tracking status 1 for voltage tracking 0 for current tracking MEMORY 0x0512 1 R 1 is the input status memory VOICEEN 0x0513 1 R 1 for key sound enable CONNECT 0x0514 1 R 1 is multi machine 0 ...

Page 32: ...unload voltage register double type UCPONSET 0x0A15 2 W R Constant power load voltage register double type UCPOFFSET 0x0A17 2 W R Constant power unload voltage register double type UCRONSET 0x0A19 2 W R Constant resistance load voltage register double type UCROFFSET 0x0A1B 2 W R Constant resistance unload voltage register double type UCCCV 0x0A1D 2 W R Constant current transfer voltage and voltage...

Page 33: ... High end target voltage double type TAGSCAL 0x0A42 1 W R Calibration status mark u16 type U 0x0B00 2 R Voltage register double type I 0x0B02 2 R Current register double type SETMODE 0x0B04 1 R Operating mode register u16e type INPUTMODE 0x0B05 1 R Input status register u16 type MODEL 0x0B06 1 R Model register u16 type EDITION 0x0B07 1 R Software version number register u16 type 4 8 8 Command Regi...

Page 34: ...il PC2 1 required Table 4 Locally allowed operations operating register value Description Write coil PC2 0 required Table 5 Input ON Operation operating register value Description Write register CMD 42 required Table 6 Input OFF Operation operating register value Description Write register CMD 43 required Table 7 Short circuit operation operating register value Description Write register CMD 26 re...

Page 35: ...ister TMCVS Double Optional Write register CMD 39 required Table 14 Constant Current Load Unload Mode operating register value Description Write register IFIX Double Optional Write register UCCONSET Double Optional Write register UCCOFFSET Double Optional Write register CMD 30 required Table 15 constant voltage loading and unloading mode operating register value Description Write register UFIX Dou...

Page 36: ...ttery Test Modes operating register value Description Write register IFIX Double Optional Write register UBATTEND Double Optional Write register CMD 38 Optional Table 21 Dynamic test mode operating register value Description Write register IA Double Optional Write register IB Double Optional Write register TMAWD Double Optional Write register TMBWD Double Optional Write register TMTRANRIS Double O...

Page 37: ...tors Quality assurance The Company of the product materials and manufacturing from the date of shipment give one year quality assurance Maintenance service If this product is for repair please send the product back to our designated maintenance organization Customer shall bear the repair products will be sent to the maintenance department of the one way freight the company will be responsible for ...

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