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Last modified by Admin on 2025/07/15 17:33
From version 49.2
edited by Admin
on 2024/12/11 11:21
Change comment: Update document after refactoring.
To version 63.1
edited by Admin
on 2025/03/18 12:17
Change comment: There is no comment for this version

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1 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 2  = Installation and connection =
3 3  
4 +== Safety rules ==
5 +
6 +To perform the protection functions, the BMS must be able to disconnect the battery from the load and charger. To do this, at least one contactor able to break the load and charge circuits must be connected to the BMS.
7 +
8 +Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
9 +
10 +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.
11 +
12 +(% class="box warningmessage" %)
13 +(((
14 +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.
15 +)))
16 +
17 +(% class="box errormessage" %)
18 +(((
19 +**The system is not designed to operate with batteries whose total voltage exceeds 1200 V.**
20 +)))
21 +
4 4  == Installation procedure ==
5 5  
6 6  Overall and mounting dimensions of the BMS Main 2.1 are shown below.
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7 7  
8 8  [[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
9 9  
10 -|**Parameter**|**Value**
11 -|Overall dimensions (length × width × height), mm|120 × 120 × 32
12 -|Mounting dimensions (length × width), mm|114 × 114
13 -|Mounting holes|M3
28 +(% style="width:494px" %)
29 +|**Parameter**|(% style="width:178px" %)**Value**
30 +|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
31 +|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
32 +|Mounting holes|(% style="width:178px" %)M3
14 14  
15 15  == Connection procedure ==
16 16  
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35 35  
36 36  === P1 – header for power supply ===
37 37  
57 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
58 +
38 38  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
39 39  
40 40  |**Pin**|**Name**|**Description**
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43 43  
44 44  === P15 – header for BMS Logic ===
45 45  
67 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
68 +
46 46  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
47 47  
48 48  |**Pin**|**Name**|**Description**
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53 53  
54 54  === P12 – header for current sensor ===
55 55  
79 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
80 +
56 56  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
57 57  
58 58  |**Pin**|**Name**|**Description**
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63 63  
64 64  === P13 – header for humidity sensor ===
65 65  
91 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
92 +
66 66  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
67 67  
68 68  |**Pin**|**Name**|**Description**
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73 73  
74 74  === P8 – header of relay 1 ===
75 75  
103 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
104 +
76 76  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
77 77  
78 78  By default, relay 1 is used to control the discharging contactor.
79 79  
80 80  |**Pin**|**Name**|**Description**
81 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
110 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
82 82  |**2**|**NO**|Normally open contact
83 83  
113 +Contactor connection example for all relays:
114 +
115 +[[image:1741619814065-850.png||height="189" width="252"]]
116 +
84 84  === P9 – header of relay 2 ===
85 85  
119 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
120 +
86 86  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
87 87  
88 88  By default, relay 2 is used to output the “Allow charging” signal.
89 89  
90 90  |**Pin**|**Name**|**Description**
91 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
126 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
92 92  |**2**|**NO**|Normally open contact
93 93  
129 +Contactor connection example: see relay 1.
130 +
94 94  === P6 – header of relay 3 ===
95 95  
133 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
134 +
96 96  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
97 97  
98 98  By default, relay 3 is used to control the charging contactor.
99 99  
100 100  |**Pin**|**Name**|**Description**
101 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
140 +|**1**|**V+**|Switching voltage up to 55V,
141 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
102 102  |**2**|**NO**|Normally open contact
103 103  
144 +Contactor connection example: see relay 1.
145 +
104 104  === P7 – header of relay 4 ===
105 105  
148 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
149 +
106 106  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
107 107  
108 108  By default, relay 4 is used to control the heater.
109 109  
110 110  |**Pin**|**Name**|**Description**
111 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
155 +|**1**|**V+**|Switching voltage up to 55V,
156 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
112 112  |**2**|**NO**|Normally open contact
113 113  
159 +Contactor connection example: see relay 1.
160 +
114 114  === P14 – header for CAN and RS-485 interfaces ===
115 115  
163 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
164 +
116 116  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
117 117  
118 118  (% style="width:641px" %)
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146 146  
147 147  === P11 – header for discrete inputs/outputs ===
148 148  
198 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
199 +
149 149  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
150 150  
151 151  |**Pin**|**Name**|**Description**
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