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Last modified by Admin on 2025/05/12 10:19
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1 -Battery management systems.BMS Main 3.WebHome
1 +drafts.bms-main-3.WebHome
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1 -(% data-numbered-headings-start="1" style="--numbered-headings-start: 0;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 -= Technical specifications =
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2 += =
3 +[[image:1732117351688-532.png||data-xwiki-image-style-alignment="center" height="202" width="474"]]
4 +The BMS Main 3.0 device is a modular battery management system (BMS) controller and performs the following functions:
3 3  
4 -[[image:1732117351688-532.png||data-xwiki-image-style-alignment="center" height="256" width="600"]]
5 -The BMS Main 3 device is a modular battery management system (BMS) controller and performs the following functions:
6 -
7 7  * collection of information about the voltage and temperature of battery cells from BMS Logic devices;
8 8  * measurement of current through the battery;
9 9  * battery protection by opening the charge and discharge circuits in case of overcharge, deep discharge, short circuit, overheating, overcooling of the battery and under other conditions;
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11 11  * battery cell balancing control;
12 12  * communication with other devices (charging station, display panels, vehicle controller, etc.).
13 13  
14 -The BMS Main 3 device is flexibly configured and can work with various types of lithium-ion batteries: LFP (LiFePO4 and LiFeYPO4), LCO (LiCoO2), LMO (LiMn2O4), NMC (LiNiMnCoO2), NCA (LiNiCoAlO2), LTO (Li4Ti5O12), etc.
13 +The BMS Main 3.0 device is flexibly configured and can work with various types of lithium-ion batteries: LFP (LiFePO4 and LiFeYPO4), LCO (LiCoO2), LMO (LiMn2O4), NMC (LiNiMnCoO2), NCA (LiNiCoAlO2), LTO (Li4Ti5O12), etc.
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17 -(((
18 -**Note:** BMS Main 3 and BMS Main 3X are different products based on the same PCB while using different firmware. You can easily switch from one device to another by flashing the corresponding [[firmware>>doc:Firmware.WebHome]].
19 -)))
20 -
21 21  == Specifications ==
22 22  
23 23  (% style="width:657px" %)
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27 27  |(% style="width:490px" %)Current consumption at supply voltage 24 V, mA, max|(% style="width:162px" %)150
28 28  |(% style="width:490px" %)KEYRUN or CHARGE_ON signal for turning on the device, V, min|(% style="width:162px" %)8.5
29 29  |(% colspan="2" style="width:654px" %)**Scalability**
30 -|(% style="width:490px" %)**Number of connected BMS Logic devices, max**|(% style="width:162px" %)40
31 -|(% style="width:490px" %)**Number of controlled cells, max**|(% style="width:162px" %)720
24 +|(% style="width:490px" %)Number of connected BMS Logic devices, max|(% style="width:162px" %)40
25 +|(% style="width:490px" %)Number of controlled cells, max|(% style="width:162px" %)720
26 +|(% style="width:490px" %)(((
27 +**Number of battery modules connected in parallel, max**
28 +
29 +//If the device is used as a parallel battery module controller, it is necessary to install modified firmware that changes the device type to BMS Main 3X//
30 +)))|(% style="width:162px" %)32
32 32  |(% colspan="2" style="width:654px" %)**Controls**
33 33  |(% style="width:490px" %)Number of programmable switches for controlling contactors (9-32V, 2.5A)|(% style="width:162px" %)6
34 34  |(% style="width:490px" %)Number of programmable discrete inputs (dry contact)|(% style="width:162px" %)6
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124 124  
125 125  == Typical battery system diagram ==
126 126  
127 -Figure below shows an example of a functional diagram of a vehicle battery.
126 +Figure below shows an example of a functional diagram of a vehicle battery.[[image:https://docs.movicomelectric.com/bin/download/drafts/bms-main-3/battery-diagram/WebHome/1732118894784-437.png?width=556&height=786&rev=1.1||alt="1732118894784-437.png" data-xwiki-image-style-alignment="center" height="786" width="556"]]
128 128  
129 -[[image:1733918018297-356.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="849" width="600"]]
130 130  
131 -
132 132  The following are connected to the BMS Main 3.0 device:
133 133  
134 134  * external power supply 9-32V – contacts X1.8 (VIN), X1.2 (GND), X1.3 (KEYRUN);
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