Deligreen BI51 - System Components and Structure

. BI51 Type User Manual V2.4
8
Electric environment
Supply voltage
9
18
V
Direct current, typical value:12v
Detection range of total
voltage
9
400
V
\
Detection range of single
cell voltage
0
5
V
\
Detection range of current
-500
500
A
\
Series of battery
4
160
cell
Each board collects 16/32/48 cell
at most, cascade extension is
supported.
2. System overview
2.1 System components
Table 2 Components List
Item
Number
Function
BIU
Necessary,
1pce
Internal communication; External communication; State estimate; Safety
management; Charge&discharge management; Input control; Output control;
Total voltage detection; Insulation detection; Single cell voltage collection;
Temperature collection
CSU
Necessary,
1pce
Current collection, hall current sensor and diverter are supported
Cables
Necessary,
1set
Voltage detection; Temperature detection; Communicating connection; Power
connection; Sensor connection; Control connection
Optional components
BMU
Max≤10 pcs
Cell voltage collection; temperature collection, DCT communication;
suitable for numbers of batteries in several separated boxes
LCD
Optional, 1pce
Data display; Parameter configuration; Failure warning
DTU
Optional, 1pce
Data remote upload; Data remote download; Mobile application
PDU
Optional, 1set
Pre-charge circuit; Charging relay; Discharging relay, Main circuit over-
current protection; Other power protector of the vehicle
2.2 System Structure