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Title
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1 -1. Technical specifications
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1 -drafts.bms-main-3.WebHome
1 +Battery management systems.BMS Main 3.WebHome
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1 -[[image:1732117351688-532.png||data-xwiki-image-style-alignment="center" height="202" width="474"]]
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 =
2 2  
3 -
4 +[[image:1732117351688-532.png||data-xwiki-image-style-alignment="center" height="256" width="600"]]
4 4  The BMS Main 3.0 device is a modular battery management system (BMS) controller and performs the following functions:
5 5  
6 6  * collection of information about the voltage and temperature of battery cells from BMS Logic devices;
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12 12  
13 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.
14 14  
15 -== 1.1 Specifications ==
16 +(% class="box infomessage" %)
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 +)))
16 16  
21 +== Specifications ==
22 +
17 17  (% style="width:657px" %)
18 18  |(% style="width:490px" %)**Parameter**|(% style="width:162px" %)**Value**
19 19  |(% colspan="2" style="width:654px" %)**Power supply**
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23 23  |(% colspan="2" style="width:654px" %)**Scalability**
24 24  |(% style="width:490px" %)Number of connected BMS Logic devices, max|(% style="width:162px" %)40
25 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
31 31  |(% colspan="2" style="width:654px" %)**Controls**
32 32  |(% style="width:490px" %)Number of programmable switches for controlling contactors (9-32V, 2.5A)|(% style="width:162px" %)6
33 33  |(% style="width:490px" %)Number of programmable discrete inputs (dry contact)|(% style="width:162px" %)6
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81 81  |(% colspan="2" style="width:654px" %)**Operating conditions**
82 82  |(% style="width:490px" %)Operating temperature range, °С|(% style="width:162px" %)-40 to +85
83 83  
84 -== 1.2 Overall and mounting dimensions ==
85 +== Overall and mounting dimensions ==
85 85  
86 86  
87 87  [[image:1733310978839-565.png||data-xwiki-image-style-alignment="center" height="486" width="810"]] [[image:1733310978846-154.png||data-xwiki-image-style-alignment="center" height="172" width="767"]]
88 88  
89 -== 1.3 Description of features ==
90 +== Description of features ==
90 90  
91 91  The BMS Main 3.0 device is powered from an external source having an output voltage in the range from 9 to 32V (connector X1). The device is turned on when there is power and the KEYRUN or CHARGE_ON signal is supplied with a level of at least 8.5V.
92 92  
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121 121  
122 122  The device can be used as a controller of several battery modules connected in parallel and controlled by other BMS Main 3 devices. To do this, install modified firmware that changes the device type to BMS Main 3X.
123 123  
124 -== 1.4 Typical battery system diagram ==
125 +== Typical battery system diagram ==
125 125  
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"]]
127 +Figure below shows an example of a functional diagram of a vehicle battery.
127 127  
128 -
129 +[[image:1733918018297-356.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="849" width="600"]]
129 129  
131 +
130 130  The following are connected to the BMS Main 3.0 device:
131 131  
132 132  * external power supply 9-32V – contacts X1.8 (VIN), X1.2 (GND), X1.3 (KEYRUN);
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