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Last modified by Admin on 2025/03/18 13:04
From version 1.2
edited by Admin
on 2024/12/02 14:20
Change comment: Update document after refactoring.
To version 5.1
edited by Admin
on 2024/12/11 11:13
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1 -== ​​​​​2.1 Installation procedure ==
1 +(% data-numbered-headings-start="2" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 += Installation and connection =
2 2  
4 +== ​​​​​Installation procedure ==
5 +
3 3  The mounting area of the BMS Logic 2.0 must be protected from mechanical particles (dust, dirt, large objects) and water. The BMS Logic 2.0 is recommended to be placed close to the cells it controls, but away from high current circuits to reduce interference to measuring circuits and increase overall reliability of installation.
4 4  
5 5  The installation site must provide convenient access for subsequent connection to the device’s headers.
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11 11  [[image:1733148558528-694.png||data-xwiki-image-style-alignment="center" height="310" width="504"]]
12 12  
13 13  |**Parameter**|**Value**
14 -| (((
17 +|(((
15 15  Overall dimensions (length × width × height), mm
16 16  )))|125 × 84 × 25
17 17  |Mounting dimensions (length × width), mm|115 × 50
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18 18  |Mounting holes|M4
19 19  |Headers X1-X3 type|Molex series Mini-Fit
20 20  
21 -== 2.2 Headers ==
24 +== Headers ==
22 22  
23 23  The BMS Logic 2.0 is designed to measure battery parameters – temperature (for a stack of 12 cells there are 2 temperature sensors) and the voltages of 12 cells.
24 24  
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27 27  (% class="box warningmessage" %)
28 28  (((
29 29  **Attention!**
30 -All connectors are shown from the side of connecting to the device!
33 +All headers are shown from the device side!
31 31  )))
32 32  
33 -=== 2.2.1 X1 – header for cells and temperature sensors[[image:1733148735564-962.png||data-xwiki-image-style-alignment="center" height="84" width="218"]] ===
36 +=== X1 – header for cells and temperature sensors[[image:1733148735564-962.png||data-xwiki-image-style-alignment="center" height="84" width="218"]] ===
34 34  
35 35  |**Pin**|**Name**|**Description**
36 36  |**1**|**TEMP2**|Signal from the thermistor #2
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50 50  |**15**|**C4**|Cell #4
51 51  |**16**|**C2**|Cell #2
52 52  
53 -=== 2.2.2 X2, X3 – headers for communication with BMS Main ===
56 +=== X2, X3 – headers for communication with BMS Main ===
54 54  
55 55  [[image:1733148758240-550.jpeg||data-xwiki-image-style-alignment="center" height="86" width="344"]]
56 56  
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60 60  |**3**|**+5V**|Supply voltage 5V
61 61  |**4**|**GND**|Ground
62 62  
63 -== (% style="color:#333333" %)2.3 Switches and indicators(%%) ==
66 +== (% style="color:#333333" %)Switches and indicators(%%) ==
64 64  
65 -=== 2.3.1 SWD1 – address switch ===
68 +=== SWD1 – address switch ===
66 66  
67 67  |**Switch number**|**Description**
68 68  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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72 72  |**5**|The fifth bit of the address. Position ON - bit is 1
73 73  |**6**|The sixth (the highest) bit of the address. Position ON - bit is 1
74 74  
75 -=== 2.3.2 DS1 – mode indicator ===
78 +=== DS1 – mode indicator ===
76 76  
77 77  |**State**|**Description**
78 78  |**Blinking**|Communication between the BMS Main and the device is established
79 79  |**No light**|There is no communication between the BMS Main and the device
80 80  
81 -== 2.4 Connection procedure ==
84 +== Connection procedure ==
82 82  
83 -=== 2.4.1 Connection to BMS Main ===
86 +=== Connection to BMS Main ===
84 84  
85 85  To connect the BMS Main to BMS Logic 2.0 do the following steps:
86 86  
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88 88  1. Connect the BMS Logic 2.0 to each other (X2 -> X3).
89 89  1. Install jumper P1 on the last BMS Logic 2.0 in the chain.
90 90  
91 -Recommendations:
94 +(% class="box infomessage" %)
95 +(((
96 +**Recommendations:**
97 +~1. The total cable length (the sum of the lengths of all cables) between the BMS Main and the last BMS Logic 2.0 should not exceed 500 meters.
98 +2. Make all connections with the same cable.
99 +3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
100 +)))
92 92  
93 -1. The total cable length (the sum of the lengths of all cables) between the BMS Main and the last BMS Logic 2.0 should not exceed 500 meters.
94 -1. Make all connections with the same cable.
95 -1. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
102 +=== Connecting battery cells ===
96 96  
97 -=== 2.4.2 Connecting battery cells ===
98 -
99 99  To connect the battery cells, follow the picture below. Incorrect connection of the cells can damage the BMS Logic 2.0.
100 100  
101 101  Begin the connection with the negative of the battery: the "V-" of the first BMS Logic 2.0 is connected to "B-", then the first cell (C1) of the battery is connected, then the second (C2), etc. The “V-“ of the next BMS Logic 2.0 is connected to the C12 of the previous BMS Logic 2.0. If not all inputs of the cells are used, then the remaining inputs are connected to the cell with the highest potential.
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109 109  Connect the battery according to the diagram, otherwise the device may be damaged!
110 110  )))
111 111  
112 -=== 2.4.3 Connecting thermistors ===
117 +=== Connecting thermistors ===
113 113  
114 114  Thermistors should be fastened to the cells, excluding short circuits to the cell terminals (for example, isolate thermistors with heat shrink). For reliable operation, it is recommended to use all thermistors (1 temperature sensor for 6 cells).
115 115  
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116 116  [[image:1733148558527-407.png||data-xwiki-image-style-alignment="center" height="356" width="277"]]
117 117  
118 118  
119 -
124 +