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GW Instek PSU Series User Manual

GW Instek PSU Series User Manual

Battery simulation / test function
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Battery Simulation / Test Function
PSU Series
USER MANUAL
ISO-9001 CERTIFIED MANUFACTURER

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Summary of Contents for GW Instek PSU Series

  • Page 1 Battery Simulation / Test Function PSU Series USER MANUAL ISO-9001 CERTIFIED MANUFACTURER...
  • Page 2 This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will company. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.

  • Page 3: Table Of Contents

    Table of Contents Table of Contents Outline ................4 Battery simulation ............5 Battery test ..............6 Menu configuration ............7 Menu structure ............7 Menu configuration table ........... 8 Function introduction ............14 Battery simulation ............ 14 Battery test ............... 19 SCPI command ...............

  • Page 4: Outline

    Battery Simulation / Test Function Manual Outline With the development of the battery industry, Background battery testing has received more and more attention. The PSU provides two battery functions for this, battery simulation and battery test. In the battery function, there are five built-in battery models: lithium battery, lead-acid battery, 1.2V NiMH battery, 12V NiMH battery, and NiCd battery for users to use.

  • Page 5: Battery Simulation

    Outline This function can only be enabled after paid purchase, Note please contact GW Instek for purchase details. Please note that this battery function is only available Note with firmware version 2.18 or later version Battery simulation In general testing with real batteries,...

  • Page 6: Battery Test

    Battery Simulation / Test Function Manual The five groups of preset battery models voltage and internal resistance ranges are as follows: There are also five sets of battery models available for user customization. According to the battery simulation method, it is Simulation divided into dynamic and static: Method...

  • Page 7: Menu Configuration

    Menu configuration Menu configuration Menu structure...

  • Page 8: Menu Configuration Table

    Battery Simulation / Test Function Manual Menu configuration table Please use the configuration settings listed below when applying the configuration settings. Battery function setting Setting Setting Range 0 = Disable, 1 = Battery Battery mode T-40 Simulation, 2 = Battery Test Battery simulation function Battery simulation Model T-41...
  • Page 9 Menu configuration Displays the current remaining Remaining battery capacity -3 T-53 battery capacity. ESR offset T-54 -100.000 ~ 100.000 ESR offset T-55 -100.000 ~ 100.000 0.6 ~ 6.300V (PSU6-200) 0.8 ~ 8.400V (PSU8-180) 1.25 ~ 13.12V (PSU 12.5-120) 1.5 ~ 15.75V (PSU 15-100) 2 ~ 21.00V (PSU 20-76) 3 ~ 31.50V (PSU 30-50) 4 ~ 42.00V (PSU 40-38)
  • Page 10 Battery Simulation / Test Function Manual 0 ~ 120.0A (PSU 12.5-120) 0 ~ 100.0A (PSU 15-100) 0 ~ 76.00A (PSU 20-76) 0 ~ 50.00A (PSU 30-50) 0 ~ 38.00A (PSU 40-38) 0 ~ 30.00A (PSU 50-30) 0 ~ 25.00A (PSU 60-25) 0 ~ 19.00A (PSU 80-19) 0 ~ 15.00A (PSU 100-15) 0 ~ 10.00A (PSU 150-10)
  • Page 11 Menu configuration 0 ~ 6.000V (PSU6-200) 0 ~ 8.000V (PSU8-180) 0 ~ 12.50V (PSU 12.5-120) 0 ~ 15.00V (PSU 15-100) 0 ~ 20.00V (PSU 20-76) 0 ~ 30.00V (PSU 30-50) 0 ~ 40.00V (PSU 40-38) oc_min *1 Battery V T-67 0 ~ 50.00V (PSU 50-30) (SOC = 0%) 0 ~ 60.00V (PSU 60-25)
  • Page 12 Battery Simulation / Test Function Manual Press the Current knob to switch to the leftmost parameter. Rotate the current knob to change the Battery capacity Current display. Suppose set to 99.99AH, As shown on the below, 0- 00 starts to display from the highest digit. If T-48: _ _12., T-49: 3450 Current ESR : 12.345 If T-50 set (0), T-51: 1234, T-52: 5678, T-53: 9.012...
  • Page 13 Menu configuration If the cut-off current is set too small, it may cause the charging time to be too long. This delay time is to ensure that the current rises to the set value and then obtain the correct sampling data to calculate the equivalent series resistance.

  • Page 14: Function Introduction

    Battery Simulation / Test Function Manual Function introduction Battery simulation In this application, the PSU will discharge Overview according to the battery model. In terms of battery models, we provides five sets of preset models for lithium batteries, lead-acid batteries, 1.2V Ni-MH batteries, 12V Ni-MH batteries, and Ni-Cd batteries for use.
  • Page 15 Function introduction The battery model contains the following parameters: Capacity SOC: State of charge Open circuit voltage ESR: battery resistance There are two methods to simulate battery discharge, dynamic or static. Dynamic: As the capacity is consumed, the SOC (State of charge) will decrease with time, and the corresponding ESR will be changed with the current SOC, and the corresponding V (open circuit...
  • Page 16 The following example demonstrates the Example procedure of simulating a battery with PSU in the battery simulation function. Equipment required: PSU Series Load Wires The operation steps and the corresponding SCPI commands are as follows: Set the T-40 Battery mode setting to 1(Battery simulation).
  • Page 17 Function introduction :BATTery:SIMulator:VOC:EMPTy 3.683 Set the current (T-44) to 1A. :BATTery:SIMulator:CURRent:LIMit 1 Set Capacity (T-45) to 0.1AH. This menu allows you to change the default battery capacity. :BATTery:SIMulator:CAPacity:LIMit 0.1 Set SOC (T-47) to 80% and V (T-46) to 4.199V. The value of SOC will change with the value of Voc and vice versa.
  • Page 18 Battery Simulation / Test Function Manual +3.783V Current +1.0000A +0.066 10.00% Capacity 0.01AH When the discharge reaches V = Empty V, the output will automatically turn off to end the discharge. After the battery simulation discharge is completed, you can open the .csv file stored in the mass storage to view the simulation status.

  • Page 19: Battery Test

    Function introduction Battery test The battery test function allows you to generate battery models, perform charge and discharge tests and A-H measurements. Generate a battery model The diagram below shows a simplified circuit Overview when the PSU is charging the battery. I (Charge current) I: Charge current.
  • Page 20 The following example demonstrates the process Example of generating a battery model for an 18650 Li-Ion battery using the PSU in the battery test function. Equipment required: PSU Series 18650 Li-Ion battery Wires The operation steps and the corresponding SCPI commands are as follows: Set the T-40 Battery mode setting to 2 (Battery test).
  • Page 21 Function introduction charged. :BATTery:TEST:VOLTage 4.3 Set the Charge limit to 1A (T-62). This value is set according to the battery specification. Charge current greater than the upper battery current limit may cause damage. BATTery:TEST:SENSe:AH:ILIMit 1 Set the termination current for end condition to 0.05A (T-63).
  • Page 22 Battery Simulation / Test Function Manual Before charging to generate a battery model, make Note sure the battery is fully discharged. An incomplete charging may not be able to provide Note the basis covering battery performance in all situations for generating a battery model. Battery charge test In this application, the PSU performs a charging Overview...
  • Page 23 The following example demonstrates the process Example of testing the charging of an 18650 Li-Ion battery using the PSU in the battery test function. Equipment required: PSU Series 18650 Li-Ion battery Wires The operation steps and the corresponding SCPI commands are as follows: Set the T-40 Battery mode setting to 2 (Battery test).
  • Page 24 Battery Simulation / Test Function Manual :BATTery:PROGram:STATe RUN After pressing output, start battery charge :BATTery:TEST:PROGram:STATe RUN Battery discharge test In this application, the PSU performs a discharging Overview test on the battery, and the discharging is shown in the figure below. The PSU uses the constant current mode to discharge the battery, and the sink current cannot be set in the discharge mode.
  • Page 25 Function introduction PSU Series Equipment required 18650 Li-Ion battery Wires The operation steps and the corresponding SCPI commands are as follows: Set the T-40 Battery mode setting to 2 (Battery test). :BATTery:MODE 2 Set the Test mode (T-60) to 1 (Charge or Discharge).

  • Page 26: Scpi Command

    Battery Simulation / Test Function Manual SCPI command For detailed PSU SCPI commands, please refer to Note PSU_Programming_Manual.PDF Command List Battery :BATTery:SIMulator:PROGram:STATe ....28 simulation :BATTery:SIMulator:OUTPut:OFF:AUTO ..29 commands :BATTery:SIMulator:METHod ......29 :BATTery:SIMulator:MODel:RECall ....29 :BATTery:SIMulator:VOC .........30 :BATTery:SIMulator:SOC .........30 :BATTery:SIMulator:VOC:EMPTy ......31 :BATTery:SIMulator:RESistance .......31 :BATTery:SIMulator:RESistance:OFFSet ...32 :BATTery:SIMulator:CAPacity:LIMit ....32 :BATTery:SIMulator:CAPacity ......33 :BATTery:SIMulator:MEASure:ALL ....33...
  • Page 27 SCPI command :BATTery:MODel<6|10>:VOC:STEPs ....44 :BATTery:MODel<6|10>:RESistance ....44 :BATTery:MODel<6|10>:VOC ......45 :BATTery:MODel<6|10>:RESistance:END ..46 :BATTery:MODel<6|10>:VOC:END ....46 :BATTery:MODel<6|10>:SAVE:INTernal ... 46 :BATTery:MODel<6|10>:ROW<0|100> ..... 47 Battery file :MEMory:BATTery:DATA ......... 48 commands :MEMory:DELete:BATTery:ALL ......49 :MEMory:DELete:BATTery ....... 49 :MEMory:BATTery:STATe ......... 49 Battery data log :BATTery:DLOG:STATe ........

  • Page 28: Battery Simulation Commands

    Battery Simulation / Test Function Manual Battery simulation commands :BATTery:SIMulator:PROGram:STATe ....28 :BATTery:SIMulator:OUTPut:OFF:AUTO ..29 :BATTery:SIMulator:METHod ......29 :BATTery:SIMulator:MODel:RECall ....29 :BATTery:SIMulator:VOC ......... 30 :BATTery:SIMulator:SOC ......... 30 :BATTery:SIMulator:VOC:EMPTy ...... 31 :BATTery:SIMulator:RESistance ....... 31 :BATTery:SIMulator:RESistance:OFFSet ... 32 :BATTery:SIMulator:CAPacity:LIMit ....32 :BATTery:SIMulator:CAPacity ......33 :BATTery:SIMulator:MEASure:ALL ....

  • Page 29: Simulation :Battery:simulator:output:off:auto

    SCPI command :BATTery:SIMulator:OUTPut:OFF:AUTO Query Set or queries whether the output is automatically Description turned off when the SOC is equal to 0%. Syntax :BATTery:SIMulator:OUTPut:OFF:AUTO <bool>|DISable|ENABle Query Syntax :BATTery:SIMulator:OUTPut:OFF:AUTO? 0 | DISable The output is automatically turned off. Parameter 1 | ENABle The output does not turn off automatically.

  • Page 30: Battery:simulator:voc

    Battery Simulation / Test Function Manual Syntax :BATTery:SIMulator:MODel:RECall <NR1> Query Syntax :BATTery:SIMulator:MODel:RECall? <NR1> 1~10 Parameter/ Return parameter Example BATT:SIM:MOD:REC 1 Recall model 1 in the battery simulation function. :BATTery:SIMulator:VOC Query This command sets or queries the open circuit Description voltage value for the battery simulator function. Syntax :BATTery:SIMulator:VOC <NRf>|MINimum|MAXimum...

  • Page 31: Battery:simulator:voc:empty

    SCPI command MINimum Minimum the state of charge. MAXimum Maximum the state of charge. Returns the state of charge value in Return parameter <NRf> percentage. Example BATT:SIM:SOC? MAX >100 Returns the maximum SOC is 100%. :BATTery:SIMulator:VOC:EMPTy Query This command sets or queries the threshold the Description open circuit voltage value for the discharging to stop in the battery simulator function.

  • Page 32: Battery:simulator:resistance:offset

    Battery Simulation / Test Function Manual Example BATT:SIM:RES? >+0.670 The real-time internal resistance is +0.670 :BATTery:SIMulator:RESistance:OFFSet Query This command sets and queries the resistance Description offset value in the battery simulation function. Syntax :BATTery:SIMulator:RESistance:OFFSet <NRf>|MINimum|MAXimum Query Syntax :BATTery:SIMulator:RESistance:OFFSet? [MINimum|MAXimum] -100.000 ~ 100.000 Parameter <NRf>...

  • Page 33: Battery:simulator:capacity

    SCPI command MAXimum The maximum value of the maximum battery capacity. Returns the capacity value in AH. Return parameter <NRf> Example BATT:SIM:CAP:LIM 2.5 Sets the maximum capacity value of the battery to 2.5AH. :BATTery:SIMulator:CAPacity Query This command queries the real-time battery Description capacity of the battery simulator.

  • Page 34: Battery:simulator:current:limit

    Battery Simulation / Test Function Manual :BATTery:SIMulator:CURRent:LIMit Query This command sets and queries the value of the Description current limit for stopping the discharging in the battery simulation function. Syntax :BATTery:SIMulator:CURRent:LIMit <NRf>|MINimum|MAXimum Query Syntax :BATTery:SIMulator:CURRent:LIMit? [MINimum|MAXimum] 0%~105% of the rated current output Parameter <NRf>...
  • Page 35 SCPI command Returns the open circuit voltage Return parameter <NRf> protection value in volts. Example BATT:SIM:VOLT:PROT 50 Set the open circuit voltage protection value to 50V.

  • Page 36: Battery Test Commands

    Battery Simulation / Test Function Manual Battery test commands :BATTery:TEST:MODE ........36 :BATTery:TEST[:SOURce]:VOLTage[:LEVel] ..36 :BATTery:TEST:SENSe:AH:ILIMit ..... 37 :BATTery:TEST[:SOURce]:CURRent:END ..38 :BATTery:TEST:SENSe:AH:ESRinterval ..... 38 :BATTery:TEST:SENSe:ESR:DELay ....39 :BATTery:TEST:SENSe:AH:GMODel:RANGe ..39 :BATTery:TEST:SENSe:AH[:LEVel] ....40 :BATTery:TEST:SENSe:AH:GMODel:SAVE ..40 :BATTery:TEST:PROGram:STATe ...... 40 :BATTery:TEST:MODE Query This command sets and queries the test mode in Description...

  • Page 37: Battery:test:sense:ah:ilimit

    SCPI command Syntax :BATTery:TEST[:SOURce]:VOLTage[:LEVel] <NRf>|MINimum|MAXimum Query Syntax :BATTery:TEST[:SOURce]:VOLTage[:LEVel]? [MINimum|MAXimum] 0%~105% of the rated output voltage Parameter <NRf> in volts. MINimum Minimum V-set value. MAXimum Maximum V-set value. Returns the V-set value in volts. Return parameter <NRf> Example BATT:TEST:VOLT 5 Set the V-set value to 5V. :BATTery:TEST:SENSe:AH:ILIMit Query This command sets and queries the maximum...

  • Page 38: Battery:test[:Source]:Current:end

    Battery Simulation / Test Function Manual :BATTery:TEST[:SOURce]:CURRent:END Query This command sets and queries the end current Description for stopping the charging in the battery test function. Syntax :BATTery:TEST[:SOURce]:CURRent:END <NR1>|MINimum|MAXimum Query Syntax :BATTery:TEST[:SOURce]:CURRent:END? [MINimum|MAXimum] 0 ~ 0.1A Parameter <NRf> MINimum Minimum end current value. MAXimum Maximum end current value.

  • Page 39: Battery:test:sense:esr:delay

    SCPI command 10 seconds Return parameter S10 30 seconds 60 seconds 120 seconds S120 600 seconds S600 Example BATT:TEST:SENS:AH:ESR S10 Sets the ESR sample interval to 10 seconds. :BATTery:TEST:SENSe:ESR:DELay Query This command sets and queries the ESR delay in Description the battery test function.

  • Page 40: Battery:test:sense:ah[:Level]

    Battery Simulation / Test Function Manual <NRf> 0%~105% of the rated voltage output in Parameter volts. Return parameter <NRf> Returns the voltage level in volts Example BATT:TEST:SENS:AH:GMOD:RANG 3.2,4.2 Set the open-circuit voltage range as 3.2 to 4.2 V. :BATTery:TEST:SENSe:AH[:LEVel] Query This command queries the real-time value of the Description battery capacity.
  • Page 41 SCPI command Stop battery test. Parameter/ 0 | STOP Return parameter Run battery test. 1 | RUN Example BATT:TEST:PROG:STAT? >STOP Return the battery test execution status.

  • Page 42: Battery Model Commands

    Battery Simulation / Test Function Manual Battery model commands :BATTery:MODel<6|10>:RESistance:SIMPlify ... 42 :BATTery:MODel<6|10>:VOC:SIMPlify ..... 43 :BATTery:MODel<6|10>:RESistance:STEPs ..43 :BATTery:MODel<6|10>:VOC:STEPs ....44 :BATTery:MODel<6|10>:RESistance ....44 :BATTery:MODel<6|10>:VOC ......45 :BATTery:MODel<6|10>:RESistance:END ..46 :BATTery:MODel<6|10>:VOC:END ....46 :BATTery:MODel<6|10>:SAVE:INTernal .... 46 :BATTery:MODel<6|10>:ROW<0|100> ....47 :BATTery:MODel<6|10>:RESistance:SIMPlify Query This command sets and queries 11 points of the Description...

  • Page 43: Battery:model<6|10>:Voc:simplify

    SCPI command :BATTery:MODel<6|10>:VOC:SIMPlify Query This command sets and queries 11 points of the Description open-circuit voltage value for a battery model in a rough form. Syntax :BATTery:MODel<6|10>:VOC:SIMPlify <string> Query Syntax :BATTery:MODel<6|10>:VOC:SIMPlify? Model index. (model 6 ~ model 10) Parameter <6|10> <string>...

  • Page 44: Battery:model<6|10>:Voc:steps

    Battery Simulation / Test Function Manual :BATTery:MODel<6|10>:VOC:STEPs Query This command queries the length of the open Description circuit voltage of the specified model. Query Syntax :BATTery:MODel<6|10>:VOC:STEPs? Return parameter <NR1> 0 ~ 101 The length of the resistance of the specified model. Example BATT:MOD6:VOC:STEP? >6...

  • Page 45: Battery:model<6|10>:Voc

    SCPI command :BATTery:MODel<6|10>:VOC Query This command sets and queries a list of custom Description open circuit voltage values for a specified battery model. Syntax :BATTery:MODel<6|10>:VOC <string> Query Syntax :BATTery:MODel<6|10>:VOC? Model index. (model6 ~ model10) Parameter <6|10> <string> The open-circuit voltage values separated by commas.

  • Page 46: Battery:model<6|10>:Resistance:end

    Battery Simulation / Test Function Manual :BATTery:MODel<6|10>:RESistance:END Query This command adds resistance values to the Description specified model. The new values are added to the end of the existing values. Syntax :BATTery:MODel<6|10>:RESistance:END <string> Model index. (model 6 ~ model 10) Parameter <6|10>...

  • Page 47: Battery:model<6|10>:Row<0|100

    SCPI command Model index. (model 6 ~ model 10) Parameter <6|10> If the open circuit voltage and the resistance number Note is not 101, error -231, Data questionable occurs. Example BATT:MOD8:SAVE:INT Save a battery model into the internal memory as model 8.

  • Page 48: Battery File Commands

    Battery Simulation / Test Function Manual Battery file commands :MEMory:BATTery:DATA ........48 :MEMory:DELete:BATTery:ALL ......49 :MEMory:DELete:BATTery ....... 49 :MEMory:BATTery:STATe ......... 49 :MEMory:BATTery:DATA Query The command uploads and downloads battery Description model. Syntax :MEMory:BATTery:DATA <string>,<block> Query Syntax :MEMory:BATTery:DATA? <string> <string> Model index.(model 6 ~ model 10) Parameter <block>...

  • Page 49: Commands :Memory:delete:battery:all

    SCPI command 96, 10.8, 0.179 97, 11, 0. 179 98, 11.2, 0.178 99, 11.4, 0.177 100, 11.6, 0.173 Return the data in model 4. :MEMory:DELete:BATTery:ALL Query This command deletes all battery models. Description Syntax :MEMory:DELete:BATTery:ALL Example MEM:DEL:BATT:ALL Deletes all battery models. :MEMory:DELete:BATTery Query This command deletes the specified battery...
  • Page 50 Battery Simulation / Test Function Manual Example >1 Return to battery model 8 status.

  • Page 51: Battery Data Log Command

    SCPI command Battery data log command :BATTery:DLOG:STATe Query This command sets and queries the data log status Description of the battery type. Syntax :BATTery:DLOG:STATe <NR1> Query Syntax :BATTery:DLOG:STATe? <NR1> 0 ~ 2 Parameter/ Return parameter Disable. Stored in the USB storage. Remote control.

  • Page 52: Other Commands

    Battery Simulation / Test Function Manual Other commands :BATTery:MODE ..........52 :BATTery:PROGram:STATe ....... 52 :BATTery:MODE Query This command sets and queries the battery Description function mode. Syntax :BATTery:MODE <NR1> Query Syntax :BATTery:MODE? <NR1> 0 ~ 2 Parameter/ Return parameter Disable Battery Simulation Battery Test Example...
  • Page 53 SCPI command Example BATT:PROG:STAT? >1 Return the battery execution status.

  • Page 54: Error Message

    Battery Simulation / Test Function Manual Error Message The following error messages may appear on the PSU screen during operation. Error Code Description File not found BATT ER01 File is too large BATT ER02 Allocate memory error BATT ER03 File open error BATT ER04 Read data error BATT ER05...
  • Page 55 Error Message ESR is negative BATT ER36 ESR is too large BATT ER37 ESR is too small BATT ER38 ESR missing BATT ER39 Capacity AH data error BATT ER40 Capacity AH is negative BATT ER41 Capacity AH is too large BATT ER42 Capacity AH is too small BATT ER43...

  • Page 56: Appendix

    Battery Simulation / Test Function Manual Appendix Front Panel Operation flow chart ........57 Battery Simulation ................57 Generate a battery model ..............58 Charge or Discharge ................. 59 Using SCPI Command Operation Flow ......60 Battery Simulation ................60 Generate a battery model ..............61 Charge or Discharge .................

  • Page 57: Front Panel Operation Flow Chart

    Appendix Front Panel Operation flow chart Battery Simulation...

  • Page 58: Generate A Battery Model

    Battery Simulation / Test Function Manual Generate a battery model...

  • Page 59: Charge Or Discharge

    Appendix Charge or Discharge...

  • Page 60: Using Scpi Command Operation Flow

    Battery Simulation / Test Function Manual Using SCPI Command Operation Flow Battery Simulation...

  • Page 61: Generate A Battery Model

    Appendix Generate a battery model...

  • Page 62: Charge Or Discharge

    Battery Simulation / Test Function Manual Charge or Discharge...

  • Page 63: Upload Battery File

    Appendix Upload battery file...

  • Page 64: Delete Battery File

    Battery Simulation / Test Function Manual Delete battery file...

  • Page 65: Web Server Remote Control Battery Function

    Appendix Web Server Remote Control Battery Function The web server allows you to remote control the Overview battery function settings of the PSU. Enter the IP address of the power supply in a web Configure browser after the instrument has been configured as a web server.
  • Page 66 Battery Simulation / Test Function Manual Generate model Charge or Discharge...

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