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Last modified by Admin on 2025/07/15 17:33
From version 67.1
edited by Admin
on 2025/07/15 17:30
Change comment: There is no comment for this version
To version 54.1
edited by Admin
on 2025/02/06 11:38
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 -(% class="box errormessage" %)
11 -(((
12 -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.
13 -)))
14 -
15 -(% class="box errormessage" %)
16 -(((
17 -The system is not designed to operate with batteries whose total voltage exceeds 1200 V.
18 -)))
19 -
20 20  == Installation procedure ==
21 21  
22 22  Overall and mounting dimensions of the BMS Main 2.1 are shown below.
23 23  
8 +[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
24 24  
25 25  (% style="width:494px" %)
26 26  |**Parameter**|(% style="width:178px" %)**Value**
27 -|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 17
12 +|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
28 28  |Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
29 29  |Mounting holes|(% style="width:178px" %)M3
15 +|Headers P1, P6-P9 type |(% style="width:178px" %)Molex series Mini-Fit
16 +|Headers P11-P15 type |(% style="width:178px" %)Molex series Micro-Fit
30 30  
31 31  == Connection procedure ==
32 32  
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51 51  
52 52  === P1 – header for power supply ===
53 53  
54 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
55 -
56 56  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
57 57  
58 58  |**Pin**|**Name**|**Description**
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61 61  
62 62  === P15 – header for BMS Logic ===
63 63  
64 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
65 -
66 66  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
67 67  
68 68  |**Pin**|**Name**|**Description**
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73 73  
74 74  === P12 – header for current sensor ===
75 75  
76 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
77 -
78 78  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
79 79  
80 80  |**Pin**|**Name**|**Description**
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85 85  
86 86  === P13 – header for humidity sensor ===
87 87  
88 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
89 -
90 90  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
91 91  
92 92  |**Pin**|**Name**|**Description**
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97 97  
98 98  === P8 – header of relay 1 ===
99 99  
100 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
101 -
102 102  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
103 103  
104 104  By default, relay 1 is used to control the discharging contactor.
105 105  
106 106  |**Pin**|**Name**|**Description**
107 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
84 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
108 108  |**2**|**NO**|Normally open contact
109 109  
110 -Contactor connection example for all relays:
111 -
112 -[[image:1741619814065-850.png||height="189" width="252"]]
113 -
114 114  === P9 – header of relay 2 ===
115 115  
116 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
117 -
118 118  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
119 119  
120 120  By default, relay 2 is used to output the “Allow charging” signal.
121 121  
122 122  |**Pin**|**Name**|**Description**
123 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
94 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
124 124  |**2**|**NO**|Normally open contact
125 125  
126 -Contactor connection example: see relay 1.
127 -
128 128  === P6 – header of relay 3 ===
129 129  
130 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
131 -
132 132  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
133 133  
134 134  By default, relay 3 is used to control the charging contactor.
135 135  
136 136  |**Pin**|**Name**|**Description**
137 -|**1**|**V+**|Switching voltage up to 55V,
138 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
104 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
139 139  |**2**|**NO**|Normally open contact
140 140  
141 -Contactor connection example: see relay 1.
142 -
143 143  === P7 – header of relay 4 ===
144 144  
145 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
146 -
147 147  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
148 148  
149 149  By default, relay 4 is used to control the heater.
150 150  
151 151  |**Pin**|**Name**|**Description**
152 -|**1**|**V+**|Switching voltage up to 55V,
153 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
114 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
154 154  |**2**|**NO**|Normally open contact
155 155  
156 -Contactor connection example: see relay 1.
157 -
158 158  === P14 – header for CAN and RS-485 interfaces ===
159 159  
160 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
161 -
162 162  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
163 163  
164 164  (% style="width:641px" %)
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192 192  
193 193  === P11 – header for discrete inputs/outputs ===
194 194  
195 -Receptacle Housing: Molex 430251600. Terminals: Molex 43030
196 -
197 197  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
198 198  
199 199  |**Pin**|**Name**|**Description**
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