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Last modified by Admin on 2025/03/18 13:04
From version 9.1
edited by Admin
on 2024/12/03 13:06
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To version 12.1
edited by Admin
on 2024/12/11 11:02
Change comment: There is no comment for this version

Summary

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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 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.
4 4  
5 5  The installation site must provide convenient access for subsequent connection to the device’s headers.
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19 19  |Mounting holes|(% style="width:160px" %)M4
20 20  |Headers X1-X4 type|(% style="width:160px" %)Molex series Micro-Fit
21 21  
22 -== 2.2 Headers ==
25 +== Headers ==
23 23  
24 24  The BMS Logic 12 is designed to measure temperature and voltage of 12 battery cells.
25 25  
26 26  [[image:1733143089674-767.png||data-xwiki-image-style-alignment="center" height="356" width="531"]]
27 27  
28 -=== 2.2.1 X1 – header for cells ===
31 +(% class="box warningmessage" %)
32 +(((
33 +**Attention!**
34 +All headers are shown from the device side!
35 +)))
29 29  
37 +=== X1 – header for cells ===
38 +
30 30  [[image:1733143152741-474.jpeg||data-xwiki-image-style-alignment="center" height="81" width="210"]]
31 31  
32 32  |**Pin**|**Name**|**Description**
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45 45  |**13**|**C9**|Cell #9
46 46  |**14**|**C11**|Cell #11
47 47  
48 -=== 2.2.2 X2 – header for temperature sensors ===
57 +=== X2 – header for temperature sensors ===
49 49  
50 50  [[image:1733143152745-708.jpeg||data-xwiki-image-style-alignment="center" height="92" width="368"]]
51 51  
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75 75  |**23**|**TEMP2**|Signal from the thermistor #2
76 76  |**24**|**TEMP1**|Signal from the thermistor #1
77 77  
78 -=== 2.2.3 X3, X4 – headers for communication with BMS Main ===
87 +=== X3, X4 – headers for communication with BMS Main ===
79 79  
80 80  [[image:1733151077073-306.png||data-xwiki-image-style-alignment="center" height="78" width="71"]]
81 81  
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85 85  |**3**|**+5V**|Supply voltage 5V
86 86  |**4**|**GND**|Ground
87 87  
88 -(% style="color:inherit; font-family:inherit; font-size:max(20px, min(24px, 12.8889px + 0.925926vw))" %)2.3 Switches and indicators
97 +== (% style="color:inherit; font-family:inherit; font-size:max(20px, min(24px, 12.8889px + 0.925926vw))" %)Switches and indicators(%%) ==
89 89  
90 -=== 2.3.1 SWD1 – address switch ===
99 +=== SWD1 – address switch ===
91 91  
92 92  |**Switch number**|**Description**
93 93  |**1**|The first (the lowest) bit of the address. Position ON - bit is 1
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101 101  **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]]).
102 102  )))
103 103  
104 -=== 2.3.2 SWD2 – RS-485 termination resistor switch ===
113 +=== SWD2 – RS-485 termination resistor switch ===
105 105  
106 106  To connect the termination resistor between the **RS485_A** and **RS485_B** lines, switch the SWD2 to the ON position.
107 107  
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110 110  **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.
111 111  )))
112 112  
113 -=== 2.3.3 DS1 – mode indicator ===
122 +=== DS1 – mode indicator ===
114 114  
115 115  (% style="width:718px" %)
116 116  |**State**|(% style="width:422px" %)**Description**
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118 118  |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
119 119  |Long flashing (1 second in a 2 second period)|(% style="width:422px" %)The device is in the bootloader mode
120 120  
121 -== 2.4 Connection procedure ==
130 +== Connection procedure ==
122 122  
123 -=== 2.4.1 Connection to BMS Main ===
132 +=== Connection to BMS Main ===
124 124  
125 125  To connect the BMS Main to BMS Logic 12 do the following steps:
126 126  
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136 136  3. For a total cable length of more than 10 meters use twisted pair with the 120 Ohm wave impedance.
137 137  )))
138 138  
139 -=== 2.4.2 Connecting battery cells ===
148 +=== Connecting battery cells ===
140 140  
141 141  To connect the battery cells, follow Figure 16. Incorrect connection of the cells can damage the BMS Logic 12.
142 142  
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151 151  Connect the battery according to the diagram, otherwise the device may be damaged.
152 152  )))
153 153  
154 -=== 2.4.3 Connecting thermistors ===
163 +=== Connecting thermistors ===
155 155  
156 156  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).
157 157