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Last modified by Admin on 2025/03/18 13:04
From version 11.1
edited by Admin
on 2024/12/04 11:26
Change comment: There is no comment for this version
To version 13.1
edited by Admin
on 2024/12/11 11:02
Change comment: There is no comment for this version

Summary

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Content
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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 12 must be protected from mechanical particles (dust, dirt, large objects) and water. The BMS Logic 12 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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19 19  |Mounting holes|(% style="width:160px" %)M4
20 20  |Headers X1-X4 type|(% style="width:160px" %)Molex series Micro-Fit
21 21  
22 -== 2.2 Headers ==
25 +== Headers ==
23 23  
24 24  The BMS Logic 12 is designed to measure temperature and voltage of 12 battery cells.
25 25  
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31 31  All headers are shown from the device side!
32 32  )))
33 33  
34 -=== 2.2.1 X1 – header for cells ===
37 +=== X1 – header for cells ===
35 35  
36 36  [[image:1733143152741-474.jpeg||data-xwiki-image-style-alignment="center" height="81" width="210"]]
37 37  
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51 51  |**13**|**C9**|Cell #9
52 52  |**14**|**C11**|Cell #11
53 53  
54 -=== 2.2.2 X2 – header for temperature sensors ===
57 +=== X2 – header for temperature sensors ===
55 55  
56 56  [[image:1733143152745-708.jpeg||data-xwiki-image-style-alignment="center" height="92" width="368"]]
57 57  
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81 81  |**23**|**TEMP2**|Signal from the thermistor #2
82 82  |**24**|**TEMP1**|Signal from the thermistor #1
83 83  
84 -=== 2.2.3 X3, X4 – headers for communication with BMS Main ===
87 +=== X3, X4 – headers for communication with BMS Main ===
85 85  
86 86  [[image:1733151077073-306.png||data-xwiki-image-style-alignment="center" height="78" width="71"]]
87 87  
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91 91  |**3**|**+5V**|Supply voltage 5V
92 92  |**4**|**GND**|Ground
93 93  
94 -(% style="color:inherit; font-family:inherit; font-size:max(20px, min(24px, 12.8889px + 0.925926vw))" %)2.3 Switches and indicators
97 +== (% style="color:inherit; font-family:inherit; font-size:max(20px, min(24px, 12.8889px + 0.925926vw))" %)Switches and indicators(%%) ==
95 95  
96 -=== 2.3.1 SWD1 – address switch ===
99 +=== SWD1 – address switch ===
97 97  
98 98  |**Switch number**|**Description**
99 99  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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104 104  
105 105  (% class="box infomessage" %)
106 106  (((
107 -**Note: **There is no SWD1 switch in the recent revisions of the BMS Logic 12. The device address must be configured in the settings (see the section [[3. Configuration>>doc:drafts.BMS Logic 12.3\. Configuration.WebHome]]).
110 +**Note: **There is no SWD1 switch in the recent revisions of the BMS Logic 12. The device address must be configured in the settings (see the section [[Configuration>>doc:drafts.BMS Logic 12.3\. Configuration.WebHome]]).
108 108  )))
109 109  
110 -=== 2.3.2 SWD2 – RS-485 termination resistor switch ===
113 +=== SWD2 – RS-485 termination resistor switch ===
111 111  
112 112  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch the SWD2 to the ON position.
113 113  
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116 116  **Note: **There is no SWD2 switch in the recent revisions of the BMS Logic 12. Connect a 120 Ohm termination resistor directly to the X4 connector between the lines RS485_A and RS485_B.
117 117  )))
118 118  
119 -=== 2.3.3 DS1 – mode indicator ===
122 +=== DS1 – mode indicator ===
120 120  
121 121  (% style="width:718px" %)
122 122  |**State**|(% style="width:422px" %)**Description**
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124 124  |Short flashing (~~50 milliseconds in a second)|(% style="width:422px" %)The device is measuring voltage and temperature. No communication between the BMS Main and the device
125 125  |Long flashing (1 second in a 2 second period)|(% style="width:422px" %)The device is in the bootloader mode
126 126  
127 -== 2.4 Connection procedure ==
130 +== Connection procedure ==
128 128  
129 -=== 2.4.1 Connection to BMS Main ===
132 +=== Connection to BMS Main ===
130 130  
131 131  To connect the BMS Main to BMS Logic 12 do the following steps:
132 132  
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142 142  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
143 143  )))
144 144  
145 -=== 2.4.2 Connecting battery cells ===
148 +=== Connecting battery cells ===
146 146  
147 147  To connect the battery cells, follow Figure 16. Incorrect connection of the cells can damage the BMS Logic 12.
148 148  
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157 157  Connect the battery according to the diagram, otherwise the device may be damaged.
158 158  )))
159 159  
160 -=== 2.4.3 Connecting thermistors ===
163 +=== Connecting thermistors ===
161 161  
162 162  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 (a temperature sensor per cell).
163 163