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52. EMUS BMS Mini 3 Sleep mode logic description

Mini BMS can be woken up by toggling the sleep pin or the ignition pin if at least one of them is mapped to...

48. Can I use top/bottom isolators in parallel?

No, top/bottom isolators are not designed to be used with parallel-connected cells. Top/bottom isolators can support from 4 up to 80 series-connected cells....

49. How to load new configuration file to EMUS Control Unit?

To load a new configuration file to your Control Unit, you need to open the Control Panel, go to Configuration window, Management tab, and press...

50. Is it possible to have 3D-models of our products?

Yes, it is possible. 3D-models of our products. Models can be found in our website: https://emusbms.com/manuals-downloads...

51. How to save the configuration file of EMUS Control Unit?

To save your configuration file, you just need to open your Control Panel, go to Configuration, then Management and finally press the ‘Save…’ button. After...

47. Does the USB FTDI arrive with the starting kit?

USB FTDI is already integrated in EMUS G1 Control Unit. There is no need of additional hardware, only an USB cable....

43. When is the “number of chargers” parameter appearing?

The “Number of chargers” parameter is appearing only when the Control Unit is uploaded with a firmware that supports a parallel CAN charger....

44. What does the “invert” button on the Control Panel I/O pins window?

The “invert” button determines which logic level corresponds to the active state of the signal. However, there is an exception for EMUS G1 Control Unit...

45. Are all the firmware images from the same version equal?

No, there are few firmware images with the same version, but they differ in supported charger type....

46. Is there any UI written program to get reports and control EMUS G1 Control Unit?

We currently do not offer any SDK or ready to use interfaces. Communication requests are done through Serial or CAN interfaces as per described protocol....

36. How many display modes have the Display Unit have?

Display Unit has two display modes: • Electric Vehicle: It contains layouts related to consumption and speed information. • Energy storage: This mode focuses on displaying detailed...

37. Can statistics and events be cleared from the Control Panel?

Events and some statistics can be cleared from the Control Panel by clicking on the ‘Clear statistics’ and ‘Clear Events’ options. Statistics with the ‘*’...

38. Which length is recommended for data communication cable?

Recommended cable (data and power) length between cell modules is less than 10cm. If longer cables are used, please follow these recommendations (polarity and UP/DOWN...

39. Which conditions need to be met for balancing stage to finish?

The "Balancing stage" is over if at the moment when the charging current drops below "Charging Finished Current" parameter value the max cell voltage is...

40. How to configure CGMs manually?

To manually configure CGMs, you need to open your Control Panel and go to Configuration -> CGMs Map. There you need to specify the total...

41. How to connect CGM system?

CGM system must be connected starting by connecting the green communication wire of the bottom cell communication adapter to the "DN" input of the first...

42. What is the maximum value for maximum balancing current when using CCGMs?

The maximum value for maximum balancing current is 100%, however, it is only possible to set it in intervals of 10% due to different approaches...

31. How is the contactor connected and configured when using a charger/inverter?

In this case, it is possible to use only one contractor. For this, connection with the battery contactor is done through “PF12 Battery Contactor Output”....

32. What type of connector is needed to connect to the EMUS G1 Control Unit?

To connect to 22 pins main connector, Molex Micro-Fit 3.0 receptacle 43025-2200 is needed. Meanwhile, for 8 pin connector, Molex Micro-fit 3.0 receptable 43025-0800 is...

33. What is the difference between User State of Charge and State of Charge?

With User State of Charge, you can set a range of usable real SOC. To set this range you need to go to Control Panel...

34. Is it possible to use Smartphone Connectivity module and Display Unit at the same time?

Unfortunately, it is not possible to use Smartphone Connectivity module and Display Unit at the same time....

35. How to know a firmware image is being updated to your device?

When firmware process is started, you should see the ‘boot’ text displayed inside the ‘Firmware version field. It means that device firmware is indeed being...

30. How to select contactor?

Your system’s charge/discharge current needs to be lower than contactor’s nominal current and voltage of your system needs to be within the working voltage range...

22. Which devices are supported for the SmartPhone Connectivity Module (SCM030A)?

• iPhone iOS 9.0 or later. • Android 4.4 or later. • All Windows OS versions with BLED112 USB dongle....

23. Is it possible to calibrate L and H values when charger is connected?

No, if charger is connected these values could not be changed. Alternatively, if charger needs to be connected, these values could be calculated manually by...

24. Is there any Insulation detector recommended to use with EMUS Control Unit?

Unfortunately, at the moment there is not any Insulation detector recommended for EMUS Control Unit....

25. Which external temperature sensor used CCGM022D?

CCGM022D supports 10kΩ NTC temperature sensor....

26. Does CAN line have to be terminated?

According to high-speed transmission specification in ISO11898-2 standard, both ends of the CAN bus must be terminated in order to minimize reflections and ensure that...

27. Is it possible to power devices from EMUS BMS outputs?

Unfortunately, I/O pins are connected to the ground so it is not possible to power any device from EMUS BMS outputs....

28. What is the usual baud rate for Master Clear Process?

The usual baud rate for the Master Clear process is 57600....

29. When the BMS MINI 3 is used with a non-CAN charger, is the charge port of the BMS always open, or is there a switch to turn it on and off? If there is a switch, how does it open and close?

Mini3 non-CAN charger version uses the "PF3 Charger Mains AC Sense Input" pin to determine if the charger is connected. If PF3 input indicated that...

19. How to interconnect Cell Modules in EMUS G1 system?

Procedure to interconnect Cell Modules, can be found in the image below: There are not specific settings for different cells and chemistries as the values depend...

20. When is BMS entering in Balancing stage?

BMS is entering in Balancing stage once the maximum cell voltage is equal or higher than the Fully Charged Voltage parameter....

21. How to change dependency of the speed from the frequency in Distance Parameters?

It depends in the pulses per Distance Unit. For example, if 1000 pulses are set, 1km will be 1000 pulses. As 1Hz is 1m/s, distance...

15. Is it recommended to use a contactor with the EMUS G1 BMS system?

The main contractor should be installed behind all load devices and its coil terminals should be connected directly between the Control Unit’s power supply positive...

16. Is it possible to use a 3rd party current sensor with EMUS G1 Control Unit?

Yes, it is possible to use 3rd party German Isabellenhuette IVT-S series CAN current sensor. If a 3 rd party current sensor is being used,...

17. Is it necessary to install any fuse in your system?

In order to protect the battery and the system in which it is used from unpredictable, potentially destructive consequences of contactor failure (e.g. welding), load...

18. Is mandatory to connect DC/DC converter to EMUS G1/Mini 3 Control Unit?

It is not mandatory, however, in some applications where the grid power is not available all the time (e.g. off-grid energy storage, electric vehicle, etc.)...

14. Can EMUS Mini 3 measure its internal temperature? How many external sensors can be connected to it?

Yes, EMUS BMS Mini 3 can measure his own temperature. Up to 5 external temperature sensors could be connected to EMUS Mini 3....

11. Can EMUS G1 Control Unit and EMUS Mini 3 be connected to the same Control Panel version?

No, both systems have their own Control Panel versions. Control Panel versions for both devices can be found on the following link: https://emusbms.com/manuals-downloads...

12. Does the BMS Mini 3 have its own current sensor? What are ‘current 1’ and current 2’ parameters measuring?

EMUS BMS Mini 3 has a current sensor that measures his own current consumption. In Current 1 sensor measure battery drain current, Current 2 sensor...

13. How does electric current is measured in EMUS BMS Mini 3?

EMUS BMS Mini 3 has a current sensor that measures its power consumption. It is possible to monitor how much EMUS BMS Mini 3 system...

8. When using analog based charger, which pins should be mapped?

These chargers are controlled by a corresponding PWM signal generated on the “SOC OUT” pin of the Control Unit which has to be mapped with...

9. How many cells can I connect to EMUS BMS Mini?

A minimum of 6 cells and a maximum of 16 cells in series can be connected to EMUS BMS Mini 3....

10. How to connect less than 16 cells in my BMS Mini or Centralized CAN Cell Group Module (CCGM)?

5. Which charges does the EMUS BMS Mini 3 supports?

List of supported chargers and inverters is provided on this link: [edgtf_button size="" type="" text="Supported chargers and inverters" custom_class="" icon_pack="font_awesome" fa_icon="" link="https://emusbms.com/wp-content/uploads/2025/02/EMUS-MINI-3-BMS-Supported-chargers-and-inverters-list-3.0.pdf" target="_blank" color="" hover_color="" background_color=""...

6. When using CAN based charger, which pins should be mapped?

When using a CAN-based charger is controlled by sending the requested output voltage, current values, and other parameters in a CAN message using the charger-specific...

7. When using a non-CAN-based charger, which pins should be mapped?

Non-CAN chargers can be only controlled by switching them on and off as they do not have remote output current and voltage adjustment. In this...

3. Which communication types does EMUS Control Unit supports?

EMUS G1 Control Unit supports serial (RS232/USB) and CAN communication....

4. Which chargers, inverters are supported by EMUS G1 system (Control Unit)?

List of supported chargers and inverters is provided on this link: [edgtf_button size="" type="" text="Supported chargers and inverters" custom_class="" icon_pack="font_awesome" fa_icon="" link="https://emusbms.com/wp-content/uploads/2024/08/EMUS-BMS-Supported-chargers-and-inverters-list-v1.0-1.pdf" target="_blank" color="" hover_color="" background_color=""...