Each BMS is composed of several parts:
CCM :1pcs of CCM(Central Control Module).CCM is the "master" who analyse data and send commends.
DCM:1 or more than 1pcs of DCM(Data Collection module).DCM connects to each cell.it acts as "slave" whose main job is to monitor
all the batteries and send data to CCM on time.each DCM controls 16cells in series at most.
Current sensor:1pcs of current sensor who is in charge of checking current.
we have 300A,500A,1000A current sensor.which one we use determined by client's load parameters.
Touch Screen:1pcs 3.5'' or 5.7''led touch screen who display various battery information
and status and send alarms.
Besides the four basic components above,there are other optional parts:
ISO(insulation test module) which is used to test the leakage of the battery and improve safety of the whole system.
DSM(Data Storage Module) which can store the data of batteries.
High voltage relay which will cut off charge/discharge circuit directly.
PC software which enable the BMS communicate with the PC.
Main features:
Over charge/over discharge/over current/short circuit protection
Balance during charging
SOC estimation(State of Charging)
Color touch screen
CAN-Bus communication with charger
Displaying voltage of each cell
Displaying charger status
Monitoring temperature of the whole battery pack
Alarming for under voltage/ over voltage
Adjustable parameters
Flexible charge and discharge control methods