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BMS Logic 18

Measuring module

Modular BMS for 24-1000V batteries

BMS Logic 18 extends the second generation of measuring modules and provides the means to measure parameters up to 18 cells. It determines voltage and temperature of the battery cells and does passive balancing of the cells on a command from the BMS controller.

Logic 18

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  • 6-18 cells
    (accuracy ±4mV)
  • 18 temperature sensors
  • Passive balancing (350 mA @4.2V)

image

  • RS-485 (3500V RMS isolation)

Links

Documentation

Downloads

ElectricDeviceMonitor

Compatible controllers: BMS Main 2.1, BMS Main 3

Compatible auxiliary modules: BMS Repeater

ParameterValue
Supply voltage, V 5.0 ± 0.5
Current consumption @5 V, mA (max) 10
Cells stack voltage, V 16 to 78
Power consumption @Cells stack, mW (max) 200
Number of cells 6 to 18
Balancing current @4.2 volts on a cell, mA (max) 350
Cell voltage measurement error, V ± 0.004
Cell temperature measurement error, °С ± 2
Dimensions (length × width × height), mm 214 × 140 × 16
Weight, g 390 ± 20
Operating temperature range, °С -40 to +85
Rated insulation voltage between communication lines and cell stack lines, AC 50Hz, 1 minute, VRMS (minimum) 3500
The degree of protection from external influences IP00
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