Wiki source code of 1. Technical specifications

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2 = Technical specifications =
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4 [[image:1734098499251-558.png||data-xwiki-image-style-alignment="center" height="244" width="450"]]
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6 BMS Mini S is a miniature full-featured centralized BMS for high-capacity lithium-ion batteries. It has many communication interfaces, an ability to collect information during the entire battery lifetime and an integrated DC/DC converter.
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8 == Specifications ==
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10 (% style="width:624px" %)
11 |**Parameter**|(% style="width:230px" %)**Value**
12 |Battery voltage, V|10* to 52
13 |(((
14 Current consumption @36 V, mA (maximum):
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16 work (no load)
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18 standby
19 )))|(((
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22 30
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24 0.3
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26 |Number of cells|4 to 12
27 |Cell balancing type|Passive
28 |Cell balancing current, mA, @ 4.2 V|220
29 |Cell voltage measurement error, V|0.003
30 |Cell temperature measurement error, °С|2
31 |Output voltage of the internal DC/DC converter, V|12 ± 1
32 |Output current of the internal DC/DC converter, A (maximum)|3
33 |Number of programmable MOSFETs for contactors (100V, 5A)|4
34 |Number of programmable discrete inputs (dry contact)|4
35 |Number of programmable discrete outputs (5V, total 100mA)|4
36 |Current sensor type|Hall-Effect sensor, bidirectional (LEM series: HASS, HTFS, DHAB)
37 |Interfaces|1xCAN / 1xRS-485 / 1xUSB
38 |CAN output voltage, V|5.0 ± 0.5
39 |CAN output current, mA (maximum)|400
40 |Additional modules|BMS Wi-Fi
41 |Dimensions (length × width × height), mm|125 × 117 × 17
42 |Weight, g|210 ± 5
43 |Operating temperature range, °С|-40 to +85
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45 * The minimum voltage for the internal 12V DC/DC converter is 14 Volts.
46
47 == Overall and mounting dimensions ==
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49 [[image:1733740566202-914.png||data-xwiki-image-style-alignment="center" height="158" width="451"]]
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51 [[image:1733740566205-724.png||data-xwiki-image-style-alignment="center" height="449" width="496"]]
52
53 == Typical battery system ==
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55 Typical battery system based on the BMS Mini is shown on figure below.
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57 [[image:1733740624419-743.png||data-xwiki-image-style-alignment="center"]]
58
59 == Safety rules ==
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61 The BMS can be connected to batteries with life-threatening and health-hazardous voltage levels. When working with high-voltage batteries, observe electrical safety regulations, use safety glasses, protective clothing, insulated tools, and appliances.
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63 (% class="box errormessage" %)
64 (((
65 **The system is not designed to work with batteries with total voltage more than 60 volts.**
66 )))
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