BMS Main 2R
Controller
Modular BMS for 24-2000V batteries
BMS Main 2R is an updated version of BMS Main 2.1 and delivers next generation features in the same form factor.
BMS Main 2R can control up to 40 measuring modules and manage a battery consisting of 720 cells.
- 4 solid-state relays for contactors
- 4 discrete inputs
- 4 discrete outputs
- SOC, DOD, SOH estimation
- Cycles, energy counting
- 2xCAN, RS-485, Ethernet
- Wi-Fi or GSM (over an extension modules)
- SD-card logging
- IoT ready
ElectricDeviceMonitorCompatible controllers: BMS Main X
Compatible measuring modules: BMS Logic 12S, BMS Logic 18S, BMS Logic 12, BMS Logic 18, BMS Logic 2R
Compatible displays: BMS Display, BMS Indication
| Parameter | Value |
|---|---|
| Supply voltage, V | 9 to 32 |
| Current consumption @12 V, mA (max) | 100 |
| Number of BMS Logic devices | 1 to 40 |
| Number of cells (maximum) | 720 |
| 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, total 200mA) | 4 |
| Number of current sensors (two signal lines on each sensor) | 2 |
| 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 USB interfaces | 1 |
| USB speed, Mbps | 12 |
| Number of CAN interfaces | 2 |
| CAN bus speed, kbps | 125, 250 (default), 500, 1000 |
| Number of RS-485 interfaces | 2 |
| RS-485 baud rate, bps | 600, 1200, 2400, 4800, 9600 (default), 19200, 38400, 57600, 115200 |
| CAN output voltage, V | 5.0 ± 0.5 |
| CAN output current, mA (maximum) | 400 |
| Number of Ethernet interfaces | 1 |
| Ethernet speed, Mbps | 10/100 |
| Dimensions (length × width × height), mm | 120 × 120 × 16 |
| Weight, g | 100 ± 10 |
| Operating temperature range, °С | -40 to +85 |
| The degree of protection from external influences | IP00 |
BMS Main 2R can be configured using the ElectricDeviceMonitor over USB, CAN or a TCP network (in case of wireless connection, the BMS Wi-Fi must be installed).
