BMS123 - Components of the system
The BMS123 system contains these components: the Main Controller, the Current Sensor, the Cell Modules.
Check the BMS123 manual
http://www.ev-power.eu/docs/pdf/BMS123_Manual_v1_0.pdf
Download the BMS123 software
http://www.ev-power.eu/docs/bin/Setup123BMS_v1.2.0.zip