wiki:01_btms:00_hw:04_bm-cs
Table of Contents
BM-CS
BTMS Cell sensor
| Order code: | BM-CS-12 | for 12 V battery |
|---|---|---|
| BM-CS-02 | for 2 V battery | |
| Mounting: | On battery, 3M double sided adhesive tape | |
| Dimensions: | 60 × 95 × 25 mm | |
Highlights & Features
- Real-time cell voltage measurement
- Internal resistance measurement on line
- Negative pole temperature measurement
- Balancing function
Technical specification
| Power supply | BM-SS-02 | 2 VDC (1.6 .. 2.6 VDC) |
|---|---|---|
| BM-SS-12 | 12 VDC (7.5 .. 15.6 VDC) | |
| Power loss | BM-SS-02 | 110 mW |
| BM-SS-12 | 90 mW | |
| Operating temperature | standard | 0 .. 45 °C |
| max | -10 .. 55 °C | |
| Storage temperature | -40 .. 70°C | |
| Operating humidity | 5 .. 95 % RH, Non condensing | |
| Dimensions: | width | 60 mm |
| height | 80 mm | |
| height max | 95 mm | |
| depth | 25 mm | |
| Voltage measurements | BM-SS-02 | 1.6 .. 2.6 VDC |
| BM-SS-12 | 7.5 .. 15.6 VDC | |
| accuracy | ±0.2 % | |
| resolution | 0.001 V | |
| Resistance measurements | range | 0.1 .. 50 mΩ |
| consistency | ±(1.5 % + 25 μΩ) | |
| repeatability | ±(1.0 % + 25 μΩ) | |
| resolution | 0.001 mΩ | |
| Balancing | Current | 0.2 A |
| Time | 1 min | |
LED indicator
| Normal operation | Green LED breathing mode |
|---|---|
| Alarm | Red LED flashing |
Battery SOC is calculated using the default battery characteristic parameters:
| Battery voltage level | 2 V | 12 V |
|---|---|---|
| Float range | -0.02 C* .. +0.02 C* | |
| Float voltage | 2.23 V | 13.38 V |
| Cut-off voltage | 1.75 V | 10.8 V |
| Recovery voltage | 2.12 V | 12.68 V |
* C is the battery capacity
Wiring
wiki/01_btms/00_hw/04_bm-cs.txt · Last modified: 2023/05/26 13:04 by 127.0.0.1