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Last modified by Admin on 2025/03/18 13:04
From version 20.2
edited by Admin
on 2025/03/18 12:26
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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 -
7 -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.
8 -
9 -(% class="box warningmessage" %)
10 -(((
11 -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.
12 -)))
13 -
14 -== Installation procedure ==
15 -
16 16  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.
17 17  
18 18  The installation site must provide convenient access for subsequent connection to the device’s headers.
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21 21  
22 22  Overall and mounting dimensions of the BMS Logic 12 are shown below.
23 23  
24 -[[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"]]
25 25  
13 +
14 +
26 26  (% style="width:477px" %)
27 27  |**Parameter**|(% style="width:160px" %)**Value**
28 28  |Overall dimensions (length × width × height), mm|(% style="width:160px" %)139 × 126 × 16
29 29  |Mounting dimensions (length × width), mm|(% style="width:160px" %)123 × 118
30 30  |Mounting holes|(% style="width:160px" %)M4
20 +|Headers X1-X4 type|(% style="width:160px" %)Molex series Micro-Fit
31 31  
32 -== Headers ==
22 +== 2.2 Headers ==
33 33  
34 34  The BMS Logic 12 is designed to measure temperature and voltage of 12 battery cells.
35 35  
36 -[[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"]]
37 37  
38 38  (% class="box warningmessage" %)
39 39  (((
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41 41  All headers are shown from the device side!
42 42  )))
43 43  
44 -=== X1 – header for cells ===
34 +=== 2.2.1 X1 – header for cells ===
45 45  
46 -Receptacle Housing: Molex 430251400. Terminals: Molex 43030
47 -
48 48  [[image:1733143152741-474.jpeg||data-xwiki-image-style-alignment="center" height="81" width="210"]]
49 49  
50 50  |**Pin**|**Name**|**Description**
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63 63  |**13**|**C9**|Cell #9
64 64  |**14**|**C11**|Cell #11
65 65  
66 -=== X2 – header for temperature sensors ===
54 +=== 2.2.2 X2 – header for temperature sensors ===
67 67  
68 -Receptacle Housing: Molex 430252400. Terminals: Molex 43030
69 -
70 70  [[image:1733143152745-708.jpeg||data-xwiki-image-style-alignment="center" height="92" width="368"]]
71 71  
72 72  |**Pin**|**Name**|**Description**
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95 95  |**23**|**TEMP2**|Signal from the thermistor #2
96 96  |**24**|**TEMP1**|Signal from the thermistor #1
97 97  
98 -=== X3, X4 – headers for communication with BMS Main ===
84 +=== 2.2.3 X3, X4 – headers for communication with BMS Main ===
99 99  
100 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
101 -
102 102  [[image:1733151077073-306.png||data-xwiki-image-style-alignment="center" height="78" width="71"]]
103 103  
104 104  |**Pin**|**Name**|**Description**
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107 107  |**3**|**+5V**|Supply voltage 5V
108 108  |**4**|**GND**|Ground
109 109  
110 -== (% 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
111 111  
112 -=== SWD1 – address switch ===
96 +=== 2.3.1 SWD1 – address switch ===
113 113  
114 114  |**Switch number**|**Description**
115 115  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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120 120  
121 121  (% class="box infomessage" %)
122 122  (((
123 -**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]]).
124 124  )))
125 125  
126 -=== SWD2 – RS-485 termination resistor switch ===
110 +=== 2.3.2 SWD2 – RS-485 termination resistor switch ===
127 127  
128 128  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch the SWD2 to the ON position.
129 129  
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132 132  **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.
133 133  )))
134 134  
135 -=== DS1 – mode indicator ===
119 +=== 2.3.3 DS1 – mode indicator ===
136 136  
137 137  (% style="width:718px" %)
138 138  |**State**|(% style="width:422px" %)**Description**
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140 140  |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
141 141  |Long flashing (1 second in a 2 second period)|(% style="width:422px" %)The device is in the bootloader mode
142 142  
143 -== Connection procedure ==
127 +== 2.4 Connection procedure ==
144 144  
145 -=== Connection to BMS Main ===
129 +=== 2.4.1 Connection to BMS Main ===
146 146  
147 147  To connect the BMS Main to BMS Logic 12 do the following steps:
148 148  
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158 158  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
159 159  )))
160 160  
161 -=== Connecting battery cells ===
145 +=== 2.4.2 Connecting battery cells ===
162 162  
163 163  To connect the battery cells, follow Figure 16. Incorrect connection of the cells can damage the BMS Logic 12.
164 164  
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173 173  Connect the battery according to the diagram, otherwise the device may be damaged.
174 174  )))
175 175  
176 -=== Connecting thermistors ===
160 +=== 2.4.3 Connecting thermistors ===
177 177  
178 178  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).
179 179  
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