1. Technical specifications

Last modified by Admin on 2025/02/20 12:59

Technical specifications

BMS Main 2.1

BMS Main 2.1 is a modular BMS controller for 24-1200V batteries. It interacts with measuring modules, calculates the battery state, and protects the battery from damage.

BMS based on the Main 2.1 can control up to 23 measuring modules and manage a battery consisting of 414 cells.

Specifications

ParameterValue
Supply voltage, V9÷30
Current consumption @12 V, mA (max)100
Number of BMS Logic devices1 to 23
Number of cells (maximum)414
Number of programmable solid-state relays for contactors (55V, 3A)4
Number of programmable discrete inputs (dry contact)4
Number of programmable discrete outputs (+5V)4
Current sensor type

Hall-Effect sensor, bidirectional, supply voltage 5 V (LEM series HASS, HTFS)

Current sensor signal measurement error, V (maximum)0.001
Number of CAN interfaces1
CAN bus speed, kbps125, 250 (by default), 500, 1000
Number of RS-485 interfaces2
RS-485 baud rate, bps600, 1200, 2400, 4800, 9600 (by default), 19200, 38400, 57600, 115200
CAN output voltage, V5.0 ± 0.5
CAN output current, mA (maximum)400
Number of Ethernet interfaces1
Ethernet speed, Mbps10/100
Dimensions (length × width × height), mm120 × 120 × 32
Weight, g100±5
Operating temperature range, °С-40÷75
The degree of protection from external influencesIP00
Headers P1, P6-P9 type Molex series Mini-Fit
Headers P11-P15 type Molex series Micro-Fit

Overall and mounting dimensions

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