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Last modified by Admin on 2025/03/18 13:04
From version 4.1
edited by Admin
on 2024/12/02 13:18
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To version 12.1
edited by Admin
on 2024/12/11 11:02
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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 description ==
25 +== Headers ==
23 23  
24 24  The BMS Logic 12 is designed to measure temperature and voltage of 12 battery cells.
25 25  
26 26  [[image:1733143089674-767.png||data-xwiki-image-style-alignment="center" height="356" width="531"]]
27 27  
28 -=== 2.2.1 X1 – header for cells ===
31 +(% class="box warningmessage" %)
32 +(((
33 +**Attention!**
34 +All headers are shown from the device side!
35 +)))
29 29  
37 +=== X1 – header for cells ===
38 +
30 30  [[image:1733143152741-474.jpeg||data-xwiki-image-style-alignment="center" height="81" width="210"]]
31 31  
32 32  |**Pin**|**Name**|**Description**
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45 45  |**13**|**C9**|Cell #9
46 46  |**14**|**C11**|Cell #11
47 47  
48 -=== 2.2.2 X2 – header for temperature sensors ===
57 +=== X2 – header for temperature sensors ===
49 49  
50 50  [[image:1733143152745-708.jpeg||data-xwiki-image-style-alignment="center" height="92" width="368"]]
51 51  
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75 75  |**23**|**TEMP2**|Signal from the thermistor #2
76 76  |**24**|**TEMP1**|Signal from the thermistor #1
77 77  
78 -=== 2.2.3 X3, X4 – headers for communication with BMS Main ===
87 +=== X3, X4 – headers for communication with BMS Main ===
79 79  
89 +[[image:1733151077073-306.png||data-xwiki-image-style-alignment="center" height="78" width="71"]]
90 +
80 80  |**Pin**|**Name**|**Description**
81 81  |**1**|**RS485_A**|RS-485 line A for communication with the BMS Main
82 82  |**2**|**RS485_B**|RS-485 line B for communication with the BMS Main
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83 83  |**3**|**+5V**|Supply voltage 5V
84 84  |**4**|**GND**|Ground
85 85  
86 -== 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(%%) ==
87 87  
88 -=== 2.3.1 SWD1 – address switch ===
99 +=== SWD1 – address switch ===
89 89  
90 90  |**Switch number**|**Description**
91 91  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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96 96  
97 97  (% class="box infomessage" %)
98 98  (((
99 -**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 3.2** **Configuration procedure).
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 [[3. Configuration>>doc:drafts.BMS Logic 12.3\. Configuration.WebHome]]).
100 100  )))
101 101  
102 -=== 2.3.2 SWD2 – RS-485 termination resistor switch ===
113 +=== SWD2 – RS-485 termination resistor switch ===
103 103  
104 104  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch the SWD2 to the ON position.
105 105  
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108 108  **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.
109 109  )))
110 110  
111 -=== 2.3.3 DS1 – mode indicator ===
122 +=== DS1 – mode indicator ===
112 112  
113 113  (% style="width:718px" %)
114 114  |**State**|(% style="width:422px" %)**Description**
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116 116  |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
117 117  |Long flashing (1 second in a 2 second period)|(% style="width:422px" %)The device is in the bootloader mode
118 118  
119 -== 2.4 Connection procedure ==
130 +== Connection procedure ==
120 120  
121 -=== 2.4.1 Connection to BMS Main ===
132 +=== Connection to BMS Main ===
122 122  
123 123  To connect the BMS Main to BMS Logic 12 do the following steps:
124 124  
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134 134  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
135 135  )))
136 136  
137 -=== 2.4.2 Connecting battery cells ===
148 +=== Connecting battery cells ===
138 138  
139 139  To connect the battery cells, follow Figure 16. Incorrect connection of the cells can damage the BMS Logic 12.
140 140  
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149 149  Connect the battery according to the diagram, otherwise the device may be damaged.
150 150  )))
151 151  
152 -=== 2.4.3 Connecting thermistors ===
163 +=== Connecting thermistors ===
153 153  
154 154  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).
166 +
167 +[[image:1733231119798-210.jpeg||data-xwiki-image-style-alignment="center" height="408" width="539"]]
168 +
169 +
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