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Last modified by Admin on 2025/03/18 13:04
From version 22.3
edited by Admin
on 2025/03/18 13:03
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To version 11.1
edited by Admin
on 2024/12/04 11:26
Change comment: There is no comment for this version

Summary

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Parent
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1 -Battery management systems.BMS Logic 12.WebHome
1 +drafts.BMS Logic 12.WebHome
Content
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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 -= nstallation and connection =
1 +== 2.1 Installation procedure ==
3 3  
4 -== Safety rules ==
5 -
6 -Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
7 -
8 -It is not recommended to use the system in batteries formed by several series of cells connected in parallel. To increase capacity, it is recommended to connect several cells in parallel groups, and then connect the groups in series.
9 -
10 -Communication cable between BMS Main and BMS Logic devices must be deattached during connection of battery cells to BMS Logic. Connecting the battery cells while
11 -
12 -(% class="box errormessage" %)
13 -(((
14 -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. To prevent the damage of device avoid electrostatic discharges while working with the battery.
15 -)))
16 -
17 -== Installation procedure ==
18 -
19 19  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.
20 20  
21 21  The installation site must provide convenient access for subsequent connection to the device’s headers.
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24 24  
25 25  Overall and mounting dimensions of the BMS Logic 12 are shown below.
26 26  
27 -[[image:1736773655076-566.png||data-xwiki-image-style-alignment="center" height="534" width="600"]]
11 +[[image:1733142832467-386.png||data-xwiki-image-style-alignment="center" height="410" width="486"]]
28 28  
13 +
14 +
29 29  (% style="width:477px" %)
30 30  |**Parameter**|(% style="width:160px" %)**Value**
31 31  |Overall dimensions (length × width × height), mm|(% style="width:160px" %)139 × 126 × 16
32 32  |Mounting dimensions (length × width), mm|(% style="width:160px" %)123 × 118
33 33  |Mounting holes|(% style="width:160px" %)M4
20 +|Headers X1-X4 type|(% style="width:160px" %)Molex series Micro-Fit
34 34  
35 -== Headers ==
22 +== 2.2 Headers ==
36 36  
37 37  The BMS Logic 12 is designed to measure temperature and voltage of 12 battery cells.
38 38  
39 -[[image:1736770542979-717.png||data-xwiki-image-style-alignment="center" height="356" width="450"]]
26 +[[image:1733143089674-767.png||data-xwiki-image-style-alignment="center" height="356" width="531"]]
40 40  
41 41  (% class="box warningmessage" %)
42 42  (((
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44 44  All headers are shown from the device side!
45 45  )))
46 46  
47 -=== X1 – header for cells ===
34 +=== 2.2.1 X1 – header for cells ===
48 48  
49 -Receptacle Housing: Molex 430251400. Terminals: Molex 43030
50 -
51 51  [[image:1733143152741-474.jpeg||data-xwiki-image-style-alignment="center" height="81" width="210"]]
52 52  
53 53  |**Pin**|**Name**|**Description**
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66 66  |**13**|**C9**|Cell #9
67 67  |**14**|**C11**|Cell #11
68 68  
69 -=== X2 – header for temperature sensors ===
54 +=== 2.2.2 X2 – header for temperature sensors ===
70 70  
71 -Receptacle Housing: Molex 430252400. Terminals: Molex 43030
72 -
73 73  [[image:1733143152745-708.jpeg||data-xwiki-image-style-alignment="center" height="92" width="368"]]
74 74  
75 75  |**Pin**|**Name**|**Description**
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98 98  |**23**|**TEMP2**|Signal from the thermistor #2
99 99  |**24**|**TEMP1**|Signal from the thermistor #1
100 100  
101 -=== X3, X4 – headers for communication with BMS Main ===
84 +=== 2.2.3 X3, X4 – headers for communication with BMS Main ===
102 102  
103 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
104 -
105 105  [[image:1733151077073-306.png||data-xwiki-image-style-alignment="center" height="78" width="71"]]
106 106  
107 107  |**Pin**|**Name**|**Description**
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110 110  |**3**|**+5V**|Supply voltage 5V
111 111  |**4**|**GND**|Ground
112 112  
113 -== (% style="color:inherit; font-family:inherit; font-size:max(20px, min(24px, 12.8889px + 0.925926vw))" %)Switches and indicators(%%) ==
94 +(% style="color:inherit; font-family:inherit; font-size:max(20px, min(24px, 12.8889px + 0.925926vw))" %)2.3 Switches and indicators
114 114  
115 -=== SWD1 – address switch ===
96 +=== 2.3.1 SWD1 – address switch ===
116 116  
117 117  |**Switch number**|**Description**
118 118  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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123 123  
124 124  (% class="box infomessage" %)
125 125  (((
126 -**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:Battery management systems.BMS Logic 12.3\. Configuration.WebHome]]).
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]]).
127 127  )))
128 128  
129 -=== SWD2 – RS-485 termination resistor switch ===
110 +=== 2.3.2 SWD2 – RS-485 termination resistor switch ===
130 130  
131 131  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch the SWD2 to the ON position.
132 132  
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135 135  **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.
136 136  )))
137 137  
138 -=== DS1 – mode indicator ===
119 +=== 2.3.3 DS1 – mode indicator ===
139 139  
140 140  (% style="width:718px" %)
141 141  |**State**|(% style="width:422px" %)**Description**
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143 143  |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
144 144  |Long flashing (1 second in a 2 second period)|(% style="width:422px" %)The device is in the bootloader mode
145 145  
146 -== Connection procedure ==
127 +== 2.4 Connection procedure ==
147 147  
148 -=== Connection to BMS Main ===
129 +=== 2.4.1 Connection to BMS Main ===
149 149  
150 150  To connect the BMS Main to BMS Logic 12 do the following steps:
151 151  
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161 161  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
162 162  )))
163 163  
164 -=== Connecting battery cells ===
145 +=== 2.4.2 Connecting battery cells ===
165 165  
166 166  To connect the battery cells, follow Figure 16. Incorrect connection of the cells can damage the BMS Logic 12.
167 167  
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176 176  Connect the battery according to the diagram, otherwise the device may be damaged.
177 177  )))
178 178  
179 -=== Connecting thermistors ===
160 +=== 2.4.3 Connecting thermistors ===
180 180  
181 181  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).
182 182  
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