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17 May 2018
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PMB

PMB
Battery Management

The PMB is equipped with a logical, galvanically isolated limit monitoring, a tried and tested technology for high-precision current measurement.

TECHNOLOGIES
The PMB (Power Measurement Board) is an intelligent sensor for the accurate measurement of voltage and current in DC currents. The shunt (resistance)-based system is connected via CAN to the BMS with a redundant safety circuit, whereby the state of charge (SOC) of the lithium-ion battery is accurately determined.

Statements
PMB is a product of
Sensor-Technik Wiedemann GmbH
All rights are reserved.

 

 

Specifications

Dimensions (approx.)95 x 61 x 15 mm
(3.7“ x 2.4“ x 0.6“)
Weight (approx.)100 g (0.22 lbs.)
Temperature range−40° C ... +80° C (−40° F ... 176° F) environment temperature
ConnectorMicro-Fit (Molex)
Power supplypowered by the BMS
Power consumption (in operation)included in the BMS consumption
Power consumption (sleep mode)
Communication Interfaces1 x CAN 2.0 B
I/O’sShunt for current measurement
3 inputs for high voltage measurement
OperationCurrent measurement
Range: ± 1000 A (1 s), ± 600 A (10 s) @ 100 μΩ
± 2000 A (1 s), ± 900 A (10 s) @ 50 μΩ Accuracy: Offset ±0.1 A, gain 1 %

High voltage measurement
Range: 0 … 800 V Accuracy: Offset ±0.1 V, Gain 1 %

Code: 1030118000100  ECU POWER MEASUREMENT

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