EK-YT-21 BMS is a new generation of BMS specially developed for mini-cars, light energy storage station and communication base station. The product integrates collecting, controlling and communication together, which has the functions of voltage/temperature collection, balance, charge-discharge control, SOC estimation, and alarm. EK-YT-21 BMS is composed of EK-YT-M2124 module which has functions of system management and information monitoring. The EK-YT-21 system through the current sensor to collect current data, determine the charging and discharging state, complete working current measurement, charge and discharge control of the battery pack, comprehensive utilization of the battery data to do SOC estimation and discrete evaluation.
NO. |
Names |
Specifications |
1 |
Voltage Detection |
Maximum strings support from the voltage detector: 24 |
|
|
Voltage detection range of 0 to 5 V (other voltages can be customized) |
|
|
Voltage detection accuracy of ± 10mV |
2 |
Temperature Detection |
maximum support from temperature detection: 4 |
|
|
Temperature sensing range of -40 ° C to 125 ° C |
|
|
Temperature measurement accuracy ± 2 ° C (-40 ° C ~ 85 ° C) |
3 |
Current Detection |
Current ranges ± 500A (Current sensor optional) |
|
|
Current measurement accuracy of ± 1% |
4 |
Relay control |
2-way relay control, the rated load current ≤ 1A, the peak current ≤ 2A |
5 |
Passive equilibrium |
At the same time, can open 3-way balance under certain conditions, and different balances are independent of each other, the maximum current 250mA |
6 |
Balanced failure protection |
Effective protection of the battery safety |
7 |
485 conmmunications |
2-way 485 communication interface (1-way is only for data storage module) |
8 |
CAN conmmunications |
1-way CAN communication interface |
9 |
Active signal input |
2-way switch signal output, rated load current of 0.5A, peak 1A |
10 |
Data Display |
LCD screen can be connected through the 485 BUS |
|
|
Can connect the host computer via 485 or CAN |
11 |
SOC estimation error |
< 5% |
12 |
Failure alarm |
Buzzer sound alarm |
13 |
Data storage |
Can add data storage module, Support 2 ~ 8G high-capacity SD data storage card |
14 |
System power consumption |
3W |
15 |
Operation voltage range |
12V system: DC9 ~ 18V (excluding LCD screen) |
|
|
24V system: DC18 ~ 32V (excluding LCD screen) |
16 |
Operation tempreture range |
-30º C~75º C |
17 |
Storage Temperature range |
-40º C~85º C |
18 |
Dimensions (mm) |
296*107*31 |
|