REC 2Q Series 16S BMS-Slave

June 2023, Just released!

Includes dual temperature probes and current shunt wiring harness.

Both a  basic connector kit and prewired set of cables are available separately:  https://ogm-energy.com/products/rec-2q-wiring-harness-kit

2Q Slave Features:

• robust and small design

• 5-16 cells connections (14 – 68 V system)

• up to 4 digital temperature sensors DS18B20

• single cell voltage measurement (0.1 – 5.0 V, resolution 1 mV)

• single cell - under/over voltage protection

• single cell internal resistance measurement

• SOC and SOH calculation

• over temperature protection

• under temperature charging protection

• 4 Ω passive cell balancing with temperature protection

• shunt current measurement (resolution 19.5 mA @ ± 500 A)

• two galvanically isolated user defined multi-purpose digital output

• internal DC opto-relay output

• galvanically isolated RS-485 communication (in and out port with enable)

• CAN communication

• error LED + buzzer indicator

• PC user interface/Wi-Fi for changing the settings and data-logging (optional accessory)

• Remote ON/OFF

• Control pilot (CP) for EVSE

• Integrated 25 Ohm pre-charge with adjustable time delay

• Integrated RTC with last 7 errors

• ISO16315, ISO10133, EN61558-1, EN61558-2 and EN50498 compliant