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Last modified by Admin on 2025/03/18 13:04
From version 9.1
edited by Admin
on 2024/12/04 11:26
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To version 10.1
edited by Admin
on 2024/12/11 11:10
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 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.
4 4  
5 5  The installation site must provide convenient access for subsequent connection to the device’s headers.
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18 18  |Mounting holes|M4
19 19  |Headers X1-X5 type|Molex series Micro-Fit
20 20  
21 -== (% style="color:#333333" %)2.2 (%%)Headers ==
24 +== Headers ==
22 22  
23 23  The BMS Logic 18 is designed to measure temperature and voltage of 18 battery cells.
24 24  
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30 30  All headers are shown from the device side!
31 31  )))
32 32  
33 -=== 2.2.1 X1 – header for cells ===
36 +=== X1 – header for cells ===
34 34  
35 35  [[image:1733150257406-647.jpeg||data-xwiki-image-style-alignment="center" height="73" width="256"]]
36 36  
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56 56  |**19**|**C15**|Cell #15
57 57  |**20**|**C17**|Cell #17
58 58  
59 -=== 2.2.2 X2 – header 1 for temperature sensors ===
62 +=== X2 – header 1 for temperature sensors ===
60 60  
61 61  [[image:1733150257408-172.jpeg||data-xwiki-image-style-alignment="center" height="81" width="267"]]
62 62  
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80 80  |**17**|**TEMP2**|Signal from the thermistor #2
81 81  |**18**|**TEMP1**|Signal from the thermistor #1
82 82  
83 -== 2.2.3 X3 – header 2 for temperature sensors ==
86 +=== X3 – header 2 for temperature sensors ===
84 84  
85 85  [[image:1733150257410-796.jpeg||data-xwiki-image-style-alignment="center" height="81" width="268"]]
86 86  
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104 104  |**17**|**TEMP11**|Signal from the thermistor #11
105 105  |**18**|**TEMP10**|Signal from the thermistor #10
106 106  
107 -=== 2.3.4 X4, X5 – headers for communication with BMS Main ===
110 +=== X4, X5 – headers for communication with BMS Main ===
108 108  
109 109  [[image:1733150513230-598.png||data-xwiki-image-style-alignment="center" height="89" width="81"]]
110 110  
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114 114  |**3**|**+5V**|Supply voltage 5V
115 115  |**4**|**GND**|Ground
116 116  
117 -== 2.4 Switches and Indicators ==
120 +== Switches and Indicators ==
118 118  
119 -=== 2.4.1 SWD1 – address switch ===
122 +=== SWD1 – address switch ===
120 120  
121 121  |**Switch number**|**Description**
122 122  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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130 130  **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]]).
131 131  )))
132 132  
133 -=== 2.4.2 SWD2 – RS-485 termination resistor switch ===
136 +=== SWD2 – RS-485 termination resistor switch ===
134 134  
135 135  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch SWD2 to the ON position.
136 136  
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139 139  **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.
140 140  )))
141 141  
142 -=== 2.4.3 DS1 – mode indicator ===
145 +=== DS1 – mode indicator ===
143 143  
144 144  (% style="width:551px" %)
145 145  |(% style="width:188px" %)**State**|(% style="width:362px" %)**Description**
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147 147  |(% 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
148 148  |(% style="width:188px" %)**Long flashing (1 second in a 2 second period)**|(% style="width:362px" %)The device is in the bootloader mode
149 149  
150 -== 2.5 Connection procedure ==
153 +== Connection procedure ==
151 151  
152 -=== 2.5.1 Connection to BMS Main ===
155 +=== Connection to BMS Main ===
153 153  
154 154  To connect the BMS Main to BMS Logic 18 do the following steps:
155 155  
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165 165  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
166 166  )))
167 167  
168 -=== 2.5.2 Connecting battery cells ===
171 +=== Connecting battery cells ===
169 169  
170 170  To connect the battery cells, follow figure below. Incorrect connection of the cells can damage the BMS Logic 18.
171 171  
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180 180  Connect the battery according to the diagram, otherwise the device may be damaged!
181 181  )))
182 182  
183 -=== 2.5.3 Connecting thermistors ===
186 +=== Connecting thermistors ===
184 184  
185 185  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).
186 186