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Last modified by Admin on 2025/03/18 13:04
From version 10.1
edited by Admin
on 2024/12/11 11:10
Change comment: There is no comment for this version
To version 8.1
edited by Admin
on 2024/12/04 11:25
Change comment: There is no comment for this version

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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 -= Installation and connection =
1 +== ​​​​​2.1 Installation procedure ==
3 3  
4 -== ​​​​​Installation procedure ==
5 -
6 6  The mounting area of the BMS Logic 18 must be protected from mechanical particles (dust, dirt, large objects) and water. The BMS Logic 18 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.
7 7  
8 8  The installation site must provide convenient access for subsequent connection to the device’s headers.
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21 21  |Mounting holes|M4
22 22  |Headers X1-X5 type|Molex series Micro-Fit
23 23  
24 -== Headers ==
21 +== (% style="color:#333333" %)2.2 (%%)Headers ==
25 25  
26 26  The BMS Logic 18 is designed to measure temperature and voltage of 18 battery cells.
27 27  
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30 30  (% class="box warningmessage" %)
31 31  (((
32 32  **Attention!**
33 -All headers are shown from the device side!
30 +All connectors are shown from the device side!
34 34  )))
35 35  
36 -=== X1 – header for cells ===
33 +=== 2.2.1 X1 – header for cells ===
37 37  
38 38  [[image:1733150257406-647.jpeg||data-xwiki-image-style-alignment="center" height="73" width="256"]]
39 39  
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59 59  |**19**|**C15**|Cell #15
60 60  |**20**|**C17**|Cell #17
61 61  
62 -=== X2 – header 1 for temperature sensors ===
59 +=== 2.2.2 X2 – header 1 for temperature sensors ===
63 63  
64 64  [[image:1733150257408-172.jpeg||data-xwiki-image-style-alignment="center" height="81" width="267"]]
65 65  
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83 83  |**17**|**TEMP2**|Signal from the thermistor #2
84 84  |**18**|**TEMP1**|Signal from the thermistor #1
85 85  
86 -=== X3 – header 2 for temperature sensors ===
83 +== 2.2.3 X3 – header 2 for temperature sensors ==
87 87  
88 88  [[image:1733150257410-796.jpeg||data-xwiki-image-style-alignment="center" height="81" width="268"]]
89 89  
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107 107  |**17**|**TEMP11**|Signal from the thermistor #11
108 108  |**18**|**TEMP10**|Signal from the thermistor #10
109 109  
110 -=== X4, X5 – headers for communication with BMS Main ===
107 +=== 2.3.4 X4, X5 – headers for communication with BMS Main ===
111 111  
112 112  [[image:1733150513230-598.png||data-xwiki-image-style-alignment="center" height="89" width="81"]]
113 113  
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117 117  |**3**|**+5V**|Supply voltage 5V
118 118  |**4**|**GND**|Ground
119 119  
120 -== Switches and Indicators ==
117 +== 2.4 Switches and Indicators ==
121 121  
122 -=== SWD1 – address switch ===
119 +=== 2.4.1 SWD1 – address switch ===
123 123  
124 124  |**Switch number**|**Description**
125 125  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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133 133  **Note: **There is no SWD1 switch in the recent revisions of the BMS Logic 18. The device address must be configured in the settings (see the section [[3. Configuration>>doc:drafts.BMS Logic 18.3\. Configuration.WebHome]]).
134 134  )))
135 135  
136 -=== SWD2 – RS-485 termination resistor switch ===
133 +=== 2.4.2 SWD2 – RS-485 termination resistor switch ===
137 137  
138 138  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch SWD2 to the ON position.
139 139  
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142 142  **Note: **There is no SWD2 switch in the recent revisions of the BMS Logic 18. Connect a 120 Ohm termination resistor directly to the X5 connector between the lines RS485_A and RS485_B.
143 143  )))
144 144  
145 -=== DS1 – mode indicator ===
142 +=== 2.4.3 DS1 – mode indicator ===
146 146  
147 147  (% style="width:551px" %)
148 148  |(% style="width:188px" %)**State**|(% style="width:362px" %)**Description**
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150 150  |(% style="width:188px" %)**Short flashing (~~50 milliseconds in a second)**|(% style="width:362px" %)The device is measuring voltage and temperature. No communication between the BMS Main and the device
151 151  |(% style="width:188px" %)**Long flashing (1 second in a 2 second period)**|(% style="width:362px" %)The device is in the bootloader mode
152 152  
153 -== Connection procedure ==
150 +== 2.5 Connection procedure ==
154 154  
155 -=== Connection to BMS Main ===
152 +=== 2.5.1 Connection to BMS Main ===
156 156  
157 157  To connect the BMS Main to BMS Logic 18 do the following steps:
158 158  
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168 168  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
169 169  )))
170 170  
171 -=== Connecting battery cells ===
168 +=== 2.5.2 Connecting battery cells ===
172 172  
173 173  To connect the battery cells, follow figure below. Incorrect connection of the cells can damage the BMS Logic 18.
174 174  
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183 183  Connect the battery according to the diagram, otherwise the device may be damaged!
184 184  )))
185 185  
186 -=== Connecting thermistors ===
183 +=== 2.5.3 Connecting thermistors ===
187 187  
188 188  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).
189 189