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Last modified by Admin on 2025/07/15 17:33
From version 64.1
edited by Admin
on 2025/03/18 12:22
Change comment: There is no comment for this version
To version 53.1
edited by Admin
on 2025/02/06 11:33
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 warningmessage" %)
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.
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28 28  |Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
29 29  |Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
30 30  |Mounting holes|(% style="width:178px" %)M3
15 +|Headers type P1, P6-P9|(% style="width:178px" %)Molex series Mini-Fit
16 +|Headers type P11-P15|(% style="width:178px" %)Molex series Micro-Fit
31 31  
32 32  == Connection procedure ==
33 33  
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52 52  
53 53  === P1 – header for power supply ===
54 54  
55 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
56 -
57 57  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
58 58  
59 59  |**Pin**|**Name**|**Description**
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62 62  
63 63  === P15 – header for BMS Logic ===
64 64  
65 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
66 -
67 67  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
68 68  
69 69  |**Pin**|**Name**|**Description**
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74 74  
75 75  === P12 – header for current sensor ===
76 76  
77 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
78 -
79 79  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
80 80  
81 81  |**Pin**|**Name**|**Description**
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86 86  
87 87  === P13 – header for humidity sensor ===
88 88  
89 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
90 -
91 91  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
92 92  
93 93  |**Pin**|**Name**|**Description**
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98 98  
99 99  === P8 – header of relay 1 ===
100 100  
101 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
102 -
103 103  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
104 104  
105 105  By default, relay 1 is used to control the discharging contactor.
106 106  
107 107  |**Pin**|**Name**|**Description**
108 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
84 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
109 109  |**2**|**NO**|Normally open contact
110 110  
111 -Contactor connection example for all relays:
112 -
113 -[[image:1741619814065-850.png||height="189" width="252"]]
114 -
115 115  === P9 – header of relay 2 ===
116 116  
117 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
118 -
119 119  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
120 120  
121 121  By default, relay 2 is used to output the “Allow charging” signal.
122 122  
123 123  |**Pin**|**Name**|**Description**
124 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
94 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
125 125  |**2**|**NO**|Normally open contact
126 126  
127 -Contactor connection example: see relay 1.
128 -
129 129  === P6 – header of relay 3 ===
130 130  
131 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
132 -
133 133  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
134 134  
135 135  By default, relay 3 is used to control the charging contactor.
136 136  
137 137  |**Pin**|**Name**|**Description**
138 -|**1**|**V+**|Switching voltage up to 55V,
139 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
104 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
140 140  |**2**|**NO**|Normally open contact
141 141  
142 -Contactor connection example: see relay 1.
143 -
144 144  === P7 – header of relay 4 ===
145 145  
146 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
147 -
148 148  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
149 149  
150 150  By default, relay 4 is used to control the heater.
151 151  
152 152  |**Pin**|**Name**|**Description**
153 -|**1**|**V+**|Switching voltage up to 55V,
154 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
114 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
155 155  |**2**|**NO**|Normally open contact
156 156  
157 -Contactor connection example: see relay 1.
158 -
159 159  === P14 – header for CAN and RS-485 interfaces ===
160 160  
161 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
162 -
163 163  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
164 164  
165 165  (% style="width:641px" %)
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193 193  
194 194  === P11 – header for discrete inputs/outputs ===
195 195  
196 -Receptacle Housing: Molex 430251600. Terminals: Molex 43030
197 -
198 198  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
199 199  
200 200  |**Pin**|**Name**|**Description**
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