If you want to install cell modules in a centralized location, we can produce them with 16 modules on one
PCB, in a 4x4 matrix. Please notify us for this option . In this option instead of ring terminals we will install QD
tabs for each battery connection, so you can run wires from the BMS board to your cells
PCB, in a 4x4 matrix. Please notify us for this option . In this option instead of ring terminals we will install QD
tabs for each battery connection, so you can run wires from the BMS board to your cells
MiniBMS carries one year warranty from the day of purchase for parts and labor. We
are not responsible for damage to BMS or your other property due to incorrect
installation or operation
are not responsible for damage to BMS or your other property due to incorrect
installation or operation
Cell Module - $16.00
you should get one module for each cell, be sure to order correct
quantity for your battery pack. Modules come fully assembled and
ready to be installed on the battery cells. HVC (high voltage cutoff)
voltages available are 3.6V for SkyEnergy cells and 3.8V for
ThunderSky and PowerForce cells. Order optional Shunting if you
want to "top balance" your pack. Shunting voltage is set to 0.1V less
than HVC voltage.
you should get one module for each cell, be sure to order correct
quantity for your battery pack. Modules come fully assembled and
ready to be installed on the battery cells. HVC (high voltage cutoff)
voltages available are 3.6V for SkyEnergy cells and 3.8V for
ThunderSky and PowerForce cells. Order optional Shunting if you
want to "top balance" your pack. Shunting voltage is set to 0.1V less
than HVC voltage.
Head End Control Board - $40.00
EV, to interface your cell modules with
your charger and motor controller.
EV, to interface your cell modules with
your charger and motor controller.
MINI-bms BATTERY MANAGEMENT SYSTEM (BMS)
Designed for Electric Vehicles. MiniBMS is designed to be reliable and cost effective
solution; it has THE most basic functions, implemented via simple analog circuit and
one wire interface, which also allows easy installation and troubleshooting
Designed for Electric Vehicles. MiniBMS is designed to be reliable and cost effective
solution; it has THE most basic functions, implemented via simple analog circuit and
one wire interface, which also allows easy installation and troubleshooting
LVC function- warning of individual cell low voltage-audible and/or
relay enabled for limiting power
HVC function- can shut down your charger when individual cells
reach a set limit-either though your charger, or with additional relay
Charge shunting-can "top balance" with a .75a shunting ability
relay enabled for limiting power
HVC function- can shut down your charger when individual cells
reach a set limit-either though your charger, or with additional relay
Charge shunting-can "top balance" with a .75a shunting ability
Build a car for you, not for them ! (the oil companies!) |
EV-PROPULSIONllc
| "The EV CONVERSIONISTS'" |
conversions since 1975
QUALITY ELECTRIC VEHICLE CONVERSIONS AND QUALITY PARTS
NEW ITEMS
centralized board
Main features of the EMUS BMS
Type Distributed with central control unit
Cell count 2÷255
Cell type Any in 2÷5 V range (LiIon, LiPO, LiFePO4, ...) prismatic cells, other custom shapes cell modules available upon request
Battery pack voltage From 4 to 1300 V
Balancing type Dissipative
Cell module shunt resistor 2,7 Ohm 5W
Maximum balancing current 1.5 A
Cell Module consumption 0,5 mA average, 8 mA peaks
Control Unit consumption 40 mA average
Cell Module communicationspeed ~2,3 ms per cell, allows to receive 45 cells parameters information in approx. 0,1 second
Control Unit RS232 speed 57600 bits/s 8N1
Control Unit supply voltage range 7 – 20 V
Control Unit outputs maximum drive current 0,5 A
Cell Module dimensions 50 x 30 x 17 mm
Control Unit dimensions 95 x 50 x 30 mm
Additional features highlights of the EMUS BMS
*Weather protection Control Unit is hermetically sealed to meet IP55 requirements.
Internal electronics protected with conformal silicone coating. Cell Module's electronic parts coated with silicone conformal coating
protecting circuits from moisture and dust.
*Suitable for different cell sizes
Small size of the cell modules and variable length „+“ terminal wire allows installation on the prismatic cells of different sizes
*Tool-less installation
Cell modules can be installed without tools (only a bolt wrench is needed for cell terminals) as cell modules have spring loaded terminals that
allow reliable connection of wires by hand. Pre-cut inter-connection wires are supplied in the shipped package for quicker installation
*When connected to Control Unit blinking green LEDs on Cell Modules indicate live communication and allow quick identification
of problematic cell connection.
*Configurable BMS has various parameters that are configurable by using convenient Emus BMS Control Panel PC software over USB
connection: pre-charge, pre-heat, timeouts, cell voltages (min andmax allowed, early balancing threshold, allowed disbalance, etc),
currents (maximum balancing current, charge modes), cell parameter read interval, etc...
*Configurable balancing current range Linear zero to max, configurable maximum balancing current –
useful to define maximum balancing current and amount of heat dissipated by modules during balancing.
*Cell voltage measurement Real-time bar graph on LCD or PC – useful to detect faulty cells and track battery health, or as general visualisation
for advanced users.
*Cell temperature measurement Real-time value on LCD and bar graph on PC – useful for controlling charger and load in high temperatures, for
setting charging mode and contol of battery heater in cold weather (lithium batteries can‘t becharged below freezing point). Many other BMS
systems are not suitable for use in cold environment.
*Early cell balancing Balancing is done while charging, battery pack is in balance when charged – takes no additional time. Many other BMS
systems start the balancing only when at least one cell is fully charged and overall charging time is drastically increased (in terms of hours).
*Digital one-wire interface between cells Allows neat and robust installation with lowest count of wires that could break; with Forward Error
Correction – increases data transfer robustness and drastically reduces possibility of faulty data – data is corrected by Control Unit, even if it
arrives with errors caused by high EMI levels.
*USB interface USB 2.0 compatible, with free, intuitive and easy to use, good quality Emus BMS Control Panel windows application.
RS-232 interface Periodically sending the working status and parameters which can be received by LCD display or other device. Parameters
output format specification is available upon request.
*CAN interface Used for controlling CAN-capable charger and broadcasting working status and parameters to other devices that could be
connected on CAN bus. Broadcasted parameters specification is available upon request. Other peripherals support is possible after firmware
upgrade.
*CAN-equipped charger controlPrecise charging process control by setting required charging voltage and current and monitoring actual values.
Currently chargers produced by www.hztiecheng.com are supported. Additional models can be added by software upgrade
*Simple charger control Ordinary charger may be conveniently used as BMS detects charger's plug connection to AC mains outlet via optional
isolated charger sensing solid state relay. Charger switched on and off via same solid state relay.
*Charge rate selection A switch input which can be used by driver to select charging speed when CAN-equipped charger is used. This allows to
use lower power AC mains sockets for charging the vehicle.
*Battery pre-heat control Ability to use external battery heater: in cold weather heater is switched on and charge rate is significantly lowered, until
battery temperature reaches specified value which is configurable. For hot weather regions this function output may be re-mapped to control the
cooling fan of cells or for other tasks.
*Current measurement Dual range isolated sensor for measuring currents up to 1000A inboth directions. Dual range allows precise measurement
of smaller currents up to 100A while keeping possibility to measure big currents up to 1000 A with the same sensor. If needed bigger current
sensors are available upon request.
*State-Of-Charge (upcoming with current sensor release in June 2011) When current sensor is used Emus BMS calculates remaining
available energy which can be displayed on graphical LCD screen, sent over CAN bus to other devices or sent to analog gauge as pulses
or analog voltage of SOC output. It also estimates remaining charge and driving range/time left; on stock fuel gauge: current remaining charge
(just like fuel left in the tank).
*Distance / speed sensor input (upcoming with current sensor release in June 2011) Control Unit has dedicated input for vehicle speed sensor
which enables BMS to count traveled distance and energy consumption. This allows to forecast the driving distance left based on energy
remaining in the battery and driving style.
*Battery low indication Early, based on configured warning voltage, or calculated upon consumption (if current sensor is used); buzzer, lamp,
stock fuel gauge, LCD.
*Integrated real-time clock Control Unit contains realtime clock which is used for accurate time tracking of charging events.
*Voltage transients protection Inputs and outputs protected from transient voltage spikes
Control Unit reverse connection protection
Fuse protected control outputs
Outputs are protected by 0,5A resettable fuses
Simple LED / Buzzer indication If LCD screen is not used a simple LED indicators along with Buzzer output may be used for audio-visual
information about BMS operation
Flexible inputs and outputs function mapping Several functional inputs and output like buzzer output and ingition key input etc. can be remapped
for different functions to allow flexible customization for different applications and addition of new functions in future by software upgrade. Inputs
and outputs remapping is configured in BMS Control Panel software for PC.
Fault condition logging Read over PC software – useful for problem solving and warranty
service.
BMS operation statistics (coming in July 2011) BMS stores the statistical data into memory such as lowest recorded cell voltage which cell had this
voltage etc.The statistics may be reset to accumulate data.
Free firmware upgrades Control Unit firmware is easily upgradable over USB by using Emus
BMS Control Panel software for PC; bugfixes and new features
constantly released, feature requests accepted – each request counts.
Free LCD screen software Open-source Windows Mobile application EVGUI is available.
Anyone can use and edit to their needs; used on pocket PCs, such as
iPAQ (with RS-232 interface).
EVGUI is a framework allowing to customize the way information is
displayed on iPAQ LCD screen without programming languages
knowledge by editing configuration text file and preparing suitable
background bitmaps.
Quality control Designed and manufactured in European Union, each unit checked
and has it‘s own barcode for extensive quality control.
User‘s manual English, multiple pages with images, diagrams and install guide.
Type Distributed with central control unit
Cell count 2÷255
Cell type Any in 2÷5 V range (LiIon, LiPO, LiFePO4, ...) prismatic cells, other custom shapes cell modules available upon request
Battery pack voltage From 4 to 1300 V
Balancing type Dissipative
Cell module shunt resistor 2,7 Ohm 5W
Maximum balancing current 1.5 A
Cell Module consumption 0,5 mA average, 8 mA peaks
Control Unit consumption 40 mA average
Cell Module communicationspeed ~2,3 ms per cell, allows to receive 45 cells parameters information in approx. 0,1 second
Control Unit RS232 speed 57600 bits/s 8N1
Control Unit supply voltage range 7 – 20 V
Control Unit outputs maximum drive current 0,5 A
Cell Module dimensions 50 x 30 x 17 mm
Control Unit dimensions 95 x 50 x 30 mm
Additional features highlights of the EMUS BMS
*Weather protection Control Unit is hermetically sealed to meet IP55 requirements.
Internal electronics protected with conformal silicone coating. Cell Module's electronic parts coated with silicone conformal coating
protecting circuits from moisture and dust.
*Suitable for different cell sizes
Small size of the cell modules and variable length „+“ terminal wire allows installation on the prismatic cells of different sizes
*Tool-less installation
Cell modules can be installed without tools (only a bolt wrench is needed for cell terminals) as cell modules have spring loaded terminals that
allow reliable connection of wires by hand. Pre-cut inter-connection wires are supplied in the shipped package for quicker installation
*When connected to Control Unit blinking green LEDs on Cell Modules indicate live communication and allow quick identification
of problematic cell connection.
*Configurable BMS has various parameters that are configurable by using convenient Emus BMS Control Panel PC software over USB
connection: pre-charge, pre-heat, timeouts, cell voltages (min andmax allowed, early balancing threshold, allowed disbalance, etc),
currents (maximum balancing current, charge modes), cell parameter read interval, etc...
*Configurable balancing current range Linear zero to max, configurable maximum balancing current –
useful to define maximum balancing current and amount of heat dissipated by modules during balancing.
*Cell voltage measurement Real-time bar graph on LCD or PC – useful to detect faulty cells and track battery health, or as general visualisation
for advanced users.
*Cell temperature measurement Real-time value on LCD and bar graph on PC – useful for controlling charger and load in high temperatures, for
setting charging mode and contol of battery heater in cold weather (lithium batteries can‘t becharged below freezing point). Many other BMS
systems are not suitable for use in cold environment.
*Early cell balancing Balancing is done while charging, battery pack is in balance when charged – takes no additional time. Many other BMS
systems start the balancing only when at least one cell is fully charged and overall charging time is drastically increased (in terms of hours).
*Digital one-wire interface between cells Allows neat and robust installation with lowest count of wires that could break; with Forward Error
Correction – increases data transfer robustness and drastically reduces possibility of faulty data – data is corrected by Control Unit, even if it
arrives with errors caused by high EMI levels.
*USB interface USB 2.0 compatible, with free, intuitive and easy to use, good quality Emus BMS Control Panel windows application.
RS-232 interface Periodically sending the working status and parameters which can be received by LCD display or other device. Parameters
output format specification is available upon request.
*CAN interface Used for controlling CAN-capable charger and broadcasting working status and parameters to other devices that could be
connected on CAN bus. Broadcasted parameters specification is available upon request. Other peripherals support is possible after firmware
upgrade.
*CAN-equipped charger controlPrecise charging process control by setting required charging voltage and current and monitoring actual values.
Currently chargers produced by www.hztiecheng.com are supported. Additional models can be added by software upgrade
*Simple charger control Ordinary charger may be conveniently used as BMS detects charger's plug connection to AC mains outlet via optional
isolated charger sensing solid state relay. Charger switched on and off via same solid state relay.
*Charge rate selection A switch input which can be used by driver to select charging speed when CAN-equipped charger is used. This allows to
use lower power AC mains sockets for charging the vehicle.
*Battery pre-heat control Ability to use external battery heater: in cold weather heater is switched on and charge rate is significantly lowered, until
battery temperature reaches specified value which is configurable. For hot weather regions this function output may be re-mapped to control the
cooling fan of cells or for other tasks.
*Current measurement Dual range isolated sensor for measuring currents up to 1000A inboth directions. Dual range allows precise measurement
of smaller currents up to 100A while keeping possibility to measure big currents up to 1000 A with the same sensor. If needed bigger current
sensors are available upon request.
*State-Of-Charge (upcoming with current sensor release in June 2011) When current sensor is used Emus BMS calculates remaining
available energy which can be displayed on graphical LCD screen, sent over CAN bus to other devices or sent to analog gauge as pulses
or analog voltage of SOC output. It also estimates remaining charge and driving range/time left; on stock fuel gauge: current remaining charge
(just like fuel left in the tank).
*Distance / speed sensor input (upcoming with current sensor release in June 2011) Control Unit has dedicated input for vehicle speed sensor
which enables BMS to count traveled distance and energy consumption. This allows to forecast the driving distance left based on energy
remaining in the battery and driving style.
*Battery low indication Early, based on configured warning voltage, or calculated upon consumption (if current sensor is used); buzzer, lamp,
stock fuel gauge, LCD.
*Integrated real-time clock Control Unit contains realtime clock which is used for accurate time tracking of charging events.
*Voltage transients protection Inputs and outputs protected from transient voltage spikes
Control Unit reverse connection protection
Fuse protected control outputs
Outputs are protected by 0,5A resettable fuses
Simple LED / Buzzer indication If LCD screen is not used a simple LED indicators along with Buzzer output may be used for audio-visual
information about BMS operation
Flexible inputs and outputs function mapping Several functional inputs and output like buzzer output and ingition key input etc. can be remapped
for different functions to allow flexible customization for different applications and addition of new functions in future by software upgrade. Inputs
and outputs remapping is configured in BMS Control Panel software for PC.
Fault condition logging Read over PC software – useful for problem solving and warranty
service.
BMS operation statistics (coming in July 2011) BMS stores the statistical data into memory such as lowest recorded cell voltage which cell had this
voltage etc.The statistics may be reset to accumulate data.
Free firmware upgrades Control Unit firmware is easily upgradable over USB by using Emus
BMS Control Panel software for PC; bugfixes and new features
constantly released, feature requests accepted – each request counts.
Free LCD screen software Open-source Windows Mobile application EVGUI is available.
Anyone can use and edit to their needs; used on pocket PCs, such as
iPAQ (with RS-232 interface).
EVGUI is a framework allowing to customize the way information is
displayed on iPAQ LCD screen without programming languages
knowledge by editing configuration text file and preparing suitable
background bitmaps.
Quality control Designed and manufactured in European Union, each unit checked
and has it‘s own barcode for extensive quality control.
User‘s manual English, multiple pages with images, diagrams and install guide.
Battery Management System (BMS):
-Support of various charging algorithms by flexible software upgrades
-Voltage and current control of battery charger via CAN bus
-Supported CAN charger: currently Elcon PFC series, other models implemented by software upgrade
-Observation of every battery cell voltage and temperature
-Control of battery cell equal charge applying shunting current
-Gradual control of shunting current from 0 to maximum
-Possibility to limit shunting current to specified maximum
-Peak dispersive capacity of cell compensation current: 5W
-Easy battery connection via one wire going between adjacent cells
-Easy expansion of number of controlled cells
-Maximum number of controlled cells: 255
-Single cell voltage range: 2-5V - the best fit for LiIon, LiPo, LiFePO4 chemistries.
-Voltage measurement accuracy: +/- 0,01V
-Temperature measurement accuracy: +/- 5ºC
-Support of various charging algorithms by flexible software upgrades
-Voltage and current control of battery charger via CAN bus
-Supported CAN charger: currently Elcon PFC series, other models implemented by software upgrade
-Observation of every battery cell voltage and temperature
-Control of battery cell equal charge applying shunting current
-Gradual control of shunting current from 0 to maximum
-Possibility to limit shunting current to specified maximum
-Peak dispersive capacity of cell compensation current: 5W
-Easy battery connection via one wire going between adjacent cells
-Easy expansion of number of controlled cells
-Maximum number of controlled cells: 255
-Single cell voltage range: 2-5V - the best fit for LiIon, LiPo, LiFePO4 chemistries.
-Voltage measurement accuracy: +/- 0,01V
-Temperature measurement accuracy: +/- 5ºC
elektr
motus
We now offer two types of BMS systems !
One is the MINI-bms system that is designed to protect your lithium battery investment
with cell level high voltage warning / charger cutoff, low voltage warning / cutoff, high
temperature warning / charger cutoff, and optional small balance shunting, using the
simplest lowest cost design for lithium cell protection.
The second is the ELEKTROMOTUS bms, designed for user programmability with a
real time display available, also with high voltage warning / charger cutoff (using CAN if
desired) low voltage warning / cutoff, high temperature warning / charger cutoff, and
adjustable shunt balancing capabilities and MUCH more !
One is the MINI-bms system that is designed to protect your lithium battery investment
with cell level high voltage warning / charger cutoff, low voltage warning / cutoff, high
temperature warning / charger cutoff, and optional small balance shunting, using the
simplest lowest cost design for lithium cell protection.
The second is the ELEKTROMOTUS bms, designed for user programmability with a
real time display available, also with high voltage warning / charger cutoff (using CAN if
desired) low voltage warning / cutoff, high temperature warning / charger cutoff, and
adjustable shunt balancing capabilities and MUCH more !
BATTERY MONITORING / MANAGEMENT
SYSTEMS (BMS)
SYSTEMS (BMS)
CELL BOARDS 19.95 EACH
CONTROL UNIT 365.00
SPECIAL INTRODUCTORY PRICING !