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Last modified by Admin on 2025/03/18 13:04
From version 21.1
edited by Admin
on 2025/03/18 13:04
Change comment: There is no comment for this version
To version 7.1
edited by Admin
on 2024/12/03 13:06
Change comment: There is no comment for this version

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Parent
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1 -Battery management systems.BMS Logic 18.WebHome
1 +drafts.BMS Logic 18.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 -= Installation 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 -(% class="box warningmessage" %)
11 -(((
12 -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 BMS Logic attached the the BMS Main may cause device damage!
13 -)))
14 -
15 -(% class="box errormessage" %)
16 -(((
17 -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.
18 -)))
19 -
20 -== Installation procedure ==
21 -
22 22  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.
23 23  
24 24  The installation site must provide convenient access for subsequent connection to the device’s headers.
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27 27  
28 28  Overall and mounting dimensions of the BMS Logic 18 are shown below.
29 29  
30 -[[image:1736771889450-259.png||data-xwiki-image-style-alignment="center" height="405" width="600"]]
11 +[[image:1733150108388-179.png||data-xwiki-image-style-alignment="center" height="384" width="555"]]
31 31  
32 32  |**Parameter**|**Value**
33 33  |(((
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35 35  )))|214 × 140 × 16
36 36  |Mounting dimensions (length × width), mm|198 × 132
37 37  |Mounting holes|M4
19 +|Headers X1-X5 type|Molex series Micro-Fit
38 38  
39 -== Headers ==
21 +== (% style="color:#333333" %)2.2 (%%)Headers ==
40 40  
41 41  The BMS Logic 18 is designed to measure temperature and voltage of 18 battery cells.
42 42  
43 -[[image:1736770801015-488.png||data-xwiki-image-style-alignment="center" height="350" width="600"]]
25 +[[image:1733150257403-684.png||data-xwiki-image-style-alignment="center" height="376" width="640"]]
44 44  
45 -(% class="box warningmessage" %)
46 -(((
47 -**Attention!**
48 -All headers are shown from the device side!
49 -)))
27 +=== 2.2.1 X1 – header for cells ===
50 50  
51 -=== X1 – header for cells ===
52 -
53 -Receptacle Housing: Molex 430252000. Terminals: Molex 43030
54 -
55 55  [[image:1733150257406-647.jpeg||data-xwiki-image-style-alignment="center" height="73" width="256"]]
56 56  
57 57  |**Pin**|**Name**|**Description**
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76 76  |**19**|**C15**|Cell #15
77 77  |**20**|**C17**|Cell #17
78 78  
79 -=== X2 – header 1 for temperature sensors ===
53 +=== 2.2.2 X2 – header 1 for temperature sensors ===
80 80  
81 -Receptacle Housing: Molex 430251800. Terminals: Molex 43030
82 -
83 83  [[image:1733150257408-172.jpeg||data-xwiki-image-style-alignment="center" height="81" width="267"]]
84 84  
85 85  |**Pin**|**Name**|**Description**
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102 102  |**17**|**TEMP2**|Signal from the thermistor #2
103 103  |**18**|**TEMP1**|Signal from the thermistor #1
104 104  
105 -=== X3 – header 2 for temperature sensors ===
77 +== 2.2.3 X3 – header 2 for temperature sensors ==
106 106  
107 -Receptacle Housing: Molex 430251800. Terminals: Molex 43030
108 -
109 109  [[image:1733150257410-796.jpeg||data-xwiki-image-style-alignment="center" height="81" width="268"]]
110 110  
111 111  |**Pin**|**Name**|**Description**
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128 128  |**17**|**TEMP11**|Signal from the thermistor #11
129 129  |**18**|**TEMP10**|Signal from the thermistor #10
130 130  
131 -=== X4, X5 – headers for communication with BMS Main ===
101 +=== 2.3.4 X4, X5 – headers for communication with BMS Main ===
132 132  
133 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
134 -
135 135  [[image:1733150513230-598.png||data-xwiki-image-style-alignment="center" height="89" width="81"]]
136 136  
137 137  |**Pin**|**Name**|**Description**
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140 140  |**3**|**+5V**|Supply voltage 5V
141 141  |**4**|**GND**|Ground
142 142  
143 -== Switches and Indicators ==
111 +== 2.4 Switches and Indicators ==
144 144  
145 -=== SWD1 – address switch ===
113 +=== 2.4.1 SWD1 – address switch ===
146 146  
147 147  |**Switch number**|**Description**
148 148  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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153 153  
154 154  (% class="box infomessage" %)
155 155  (((
156 -**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:Battery management systems.BMS Logic 18.3\. Configuration.WebHome]]).
124 +**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]]).
157 157  )))
158 158  
159 -=== SWD2 – RS-485 termination resistor switch ===
127 +=== 2.4.2 SWD2 – RS-485 termination resistor switch ===
160 160  
161 161  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch SWD2 to the ON position.
162 162  
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165 165  **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.
166 166  )))
167 167  
168 -=== DS1 – mode indicator ===
136 +=== 2.4.3 DS1 – mode indicator ===
169 169  
170 170  (% style="width:551px" %)
171 171  |(% style="width:188px" %)**State**|(% style="width:362px" %)**Description**
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173 173  |(% 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
174 174  |(% style="width:188px" %)**Long flashing (1 second in a 2 second period)**|(% style="width:362px" %)The device is in the bootloader mode
175 175  
176 -== Connection procedure ==
144 +== 2.5 Connection procedure ==
177 177  
178 -=== Connection to BMS Main ===
146 +=== 2.5.1 Connection to BMS Main ===
179 179  
180 180  To connect the BMS Main to BMS Logic 18 do the following steps:
181 181  
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191 191  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
192 192  )))
193 193  
194 -=== Connecting battery cells ===
162 +=== 2.5.2 Connecting battery cells ===
195 195  
196 196  To connect the battery cells, follow figure below. Incorrect connection of the cells can damage the BMS Logic 18.
197 197  
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206 206  Connect the battery according to the diagram, otherwise the device may be damaged!
207 207  )))
208 208  
209 -=== Connecting thermistors ===
177 +=== 2.5.3 Connecting thermistors ===
210 210  
211 211  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).
212 212  
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