ZSOM-Mini BMS
The ZSOM-BMS (meaning Battery Managment System is an add-on that expands to the ZSOM-Mini, allowing a use in a mobile environment powered by a battery.
Core Functions
- Powering the ZSOM-Mini from a single cell li-ion battery
- Recharging the Battery with power supplied over a USB-C port
- Monitoring the Battery level and indicating it with an led bar
- Providing supply for external circuits with switchable voltage of 5V or 12V and a current up to 500mA
Red Warn LED
Off
Meaning: No warning
On
Meaning: Battery overvoltage
Description: Remove the power supply immediately.
Slow Flashing
Meaning: Charge error
Description: The power supply is to weak for charging. Try using another one.
Fast Flashing
Meaning: Device operation blocked
Description: The battery charge level is to low for powering the ZSOM. Recharge the Battery.
Can Communication
The BMS periodically transmits values by Can to be used by the user code. The following values are transmitted:
| CAN id | description | format | example |
|---|---|---|---|
| 0x2D9 | is battery currently charging | 1 Bit Boolean | 1 |
| 0x2DA | battery voltage | voltage as ASCII-Text: X.XX | 3.82 |
| 0x2DB | approximate battery charge level | percentage as ASCII-Text: XXX% | 075% |
| ————– | ————————————————— | ———————————————– | ————— |