Battery Management System Tester | BMS Functional Testing Stand

Battery management system tester is a professional BMS functional test stand for EOL quality testing of BMS manufacturers and incoming inspection of ESS/EV battery pack manufacturers.

  • Model:

    WA-BMST-I108S
  • Number of strings:

    108S (Customizable)
  • Cell Balancing current:

    0A~1A (Customizable)
  • Sleep current range:

    0uA ~2000uA (Customizable)
  • Current range:

    -500A~+500A (Customizable)
  • Communication methods:

    CAN bus (Customizable)
  • Product Detail

Battery Management System Test Stand | BMS Functional Testing


Product overview:

The battery management system tester is mainly used to test whether the various functional indicators of the BMSs are within the range of the technical specifications and whether they meet the functional requirements. Such as, over-voltage protection function, under-voltage protection function, charging and discharging over-current protection function, high and low temperature protection function and short-circuit protection function, etc.


Scope of application:

For BMS manufacturers, the battery management system tester is suitable for end-of-line quality inspection and R&D testing of BMS.

For battery pack manufacturers, the battery management system tester is suitable for incoming quality inspection of BMS.


Features: 

1) Each cell can be set independently and arbitrarily.

2) Each temperature channel can simulate any temperature value according to the R-T table.

3) A small voltage is used to simulate the total current of a Hall current sensor or shunt.

4) The total current is a real high current.

5) A programmable high voltage source is used as the total voltage output.

6) The standard communication methods are RS485 bus and CAN bus. Other communication methods are customizable.

7) The upper computer uses LabVIEW graphical programming software for easy integration.

8) The upper computer software comes standard with data analysis, case editing, data management, user management, device management, etc.

9) The barcode scanning function is optional.


BMS Test Items:

1. Battery system overcharge and over-discharge protection test:

1.1 Battery system total voltage accuracy test

1.2 Battery system overcharge and over-discharge alarm function test

1.3 Battery system overcharge and over-discharge protection function test

1.4 Battery system overcharge and over-discharge protection recovery function test

2. Single-cell overcharge and over-discharge protection test:

2.1 Single-cell voltage accuracy test

2.2 Single-cell overcharge and over-discharge alarm function test

2.3 Single-cell overcharge and over-discharge protection function test

2.4 Single-cell overcharge and over-discharge protection recovery function test

3. Battery system current overcharge and over-discharge protection test:

3.1 Battery system current accuracy test

3.2 Battery system current overcharge and over-discharge alarm function test

3.3 Battery system current overcharge and over-discharge protection function test

3.4 Battery system current overcharge and over discharge protection recovery function test

4. Battery temperature protection test:

4.1 Battery temperature accuracy test

4.2 Battery temperature alarm function test

4.3 Battery temperature protection function test

4.4 Battery temperature protection recovery function test

5. Active balancing and passive balancing function test:

5.1 Active balancing and passive balancing control function test

5.2 Independent balancing, multi-cell balancing, balancing voltage difference range test, balancing current test

6. Sleep function test:

6.1 Sleep function test

6.2 Sleep current test

7. Activation wake-up test:

7.1 Charge wake-up test

7.2 CAN wake-up test

8. Static power consumption test:

8.1 Static power consumption current test of single cells

9. Insulation withstand voltage test:

9.1 Insulation impedance test

9.2 Insulation withstand voltage test

10. Relay drive test:

10.1 High-side drive capability test of total positive and total negative relays

10.2 Low-side drive capability test of total positive and total negative relays

11. Total current accuracy calibration test:

11.1 Hall sensor accuracy calibration test

11.2 Shunt signal simulation accuracy calibration test

12. Single-cell voltage accuracy calibration test:

12.1 Single-cell voltage accuracy calibration test

12.2 Single-cell voltage calibration software


Technical Specifications

Product name

Battery Management System Tester

Product model

WA-BMST-I108S

Number of strings

108S (Customizable)

AC input power

 

(Good grounding is required.)

Single-phase 220VAC±10% / 50Hz±5

Power: ≤5000W

Current: ≤20A

Operating environment

Allowable temperature: -10~40

Recommended temperature: 15~35

Relative Humidity: ≤70%RH (No condensation)

Storage environment

Temperature: -20~50

Relative Humidity: ≤80%RH (No condensation)

Noise

≤65dB

Cooling method

Forced air-cooling

Dimensions (W*D*H)

800*1400*1800mm

Net weight

400KG

NO.

Function Modules

Technical specifications

BMS test items

Test channels

1

Battery Simulator

  • Voltage range: 0V~5V
  • Output accuracy: ±(0.01%FS+0.01%RD)
  • Driving load: 5A, active balancing and passive balancing.
  • Single-cell voltage simulation
  • Passive balancing function testing
  • Active balancing function testing
  • Static power consumption current testing

108

  • Balancing current range:0A~1A
  • Accuracy:≤±1mA
  • Sleep current range: 0uA ~2000uA
  • Accuracy:≤±0.1%

2

Temperature simulation detection module

  • Simulation resistance range: 50Ω~1MΩ
  • Resistance accuracy: ≤±0.5%, power: 1/16W
  • Programmed output to simulate real resistance:

         50Ω~1KΩ: 1Ω/step

         1KΩ~10KΩ: 10Ω/step

         10KΩ~100KΩ: 100Ω/step

         100KΩ~1MΩ: 1KΩ/step

  • Temperature simulation of single-cell.

60

  • Simulation temperature range: -50~120
  • Temperature test accuracy: 1℃

3

Large-range constant current source module

  • Current range: -500A+500A
  • Current accuracy: ±(0.1%FS+0.1%RD)
  • Comparison of total current test accuracy
  • Charge current protection simulation test
  • Discharge current protection simulation test

1

  • Voltage range: 0V~5V
  • Voltage accuracy: ±(0.1%FS+0.1%RD)
  • Total power: 2500W

4

Small-range constant current source module

  • Current range: -45A+45A
  • Current accuracy: ±(0.1%FS+0.1%RD)
  • Comparison of total current test accuracy
  • Charge current protection simulation test
  • Discharge current protection simulation test

1

  • Voltage range: 0V~20V
  • Voltage accuracy: ±(0.1%FS+0.1%RD)
  • Total power: 900W

5

High-voltage DC power module

  • Voltage range: 0V~1500V
  • Voltage accuracy: ±(0.1%FS+0.1%RD)
  • BMS powering and activation
  • IO driver detects the high level voltage

1

  • Current range: 0A1A
  • Current accuracy: ±(0.1%FS+0.1%RD)
  • Total power: 1500W

6

BMS power supply module

  • Voltage range: 0V~80V
  • Voltage accuracy: ±(0.1%FS+0.1%RD)
  • BMS powering and activation
  • IO driver detects the high level voltage

1

  • Current range: 0A20A
  • Current accuracy: ±(0.1%FS+0.1%RD)
  • Total power: 400W

7

CAN communication module

  • Support CAN2.0A protocol
  • Support CAN2.0B protocol
  • Adjustable baud rate range: 5Kbps~1Mbps
  • Support standard and extended frames
  • Support multi-frame UDS protocol
  • Support DBC file import
  • CAN message communication
  • CAN burning programs

4

8

HSD/LSD module

  • Operating voltage: 0V~80V
  • Operating current: 0A~2A
  • Fixed load 50Ω/10W resistor
  • Receive commands from the host computer to select pull-up, pull-down or hover operation.
  • Test IO port high side drive capability
  • Test IO port low side drive capability

8

9

Current sampling module

  • Range: 2A
  • Accuracy: ±0.2%
  • 8-channel isolated current sampling
  • HSD/LSD current value detection

8

10

Digital level output module

  • Operating voltage: 0V~80V
  • Receive commands from the host computer to select pull-up, pull-down or hover operation.
  • Give the BMS simulated buttons and input signals.

16

11

PWM output module

  • PWM output frequency: 0Hz~10KHz
  • PWM output duty cycle: 0% ~ 99%
  • Both internal pull-ups and external pull-ups are available.
  • 4-channel independent outputs
  • Simulate output PWM square wave to BMS.

4

12

Hall sensor signal simulation module

  • Output voltage range: ±5V
  • Output accuracy: ±0.2%
  • 2-channel independent outputs
  • The high range and low range voltage signals of the Hall sensor are simulated to the BMS to achieve the simulation of the total current.

2

13

Shunt signal simulation module

  • Output voltage range: ±200mV
  • Output accuracy: ±0.2%
  • 1-channel independent outputs
  • The shunt signals are simulated to the BMS to achieve the simulation of the total current.

1

14

PWM input module

  • Sampling bandwidth: 200MHz
  • Max. input voltage: 400V (DC+AC Peak)
  • PWM sampling duty cycle: 0.5% ~ 99.5%
  • Sampling PWM square wave signal from the BMS output.

1

15

Insulation impedance test module

  • Output range: 10KΩ~10MΩ
  • Output accuracy: ±1%
  • 2-channel independent outputs
  • Positive bus to ground, negative bus to ground.

1

16

Central controller module

  • 1 input and output board, 1 base board, up to 13 slots can be inserted.
  • Support RS232 communication and RS485 communication
  • Test boards such as temperature simulator cards, HSD/LSD cards can be quickly inserted.

1

 Kindly reminder: Test items and test ranges are customizable.


Battery Management System Test Stand

* Reference picture (Picture just as reference, please in kind prevail)

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