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Last modified by Admin on 2025/07/15 17:33
From version 52.1
edited by Admin
on 2025/02/06 11:32
Change comment: There is no comment for this version
To version 65.1
edited by Admin
on 2025/03/18 12:30
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 +
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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12 12  |Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
13 13  |Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
14 14  |Mounting holes|(% style="width:178px" %)M3
15 -|Connectors type P1, P6-P9|(% style="width:178px" %)Molex series Mini-Fit
16 -|Connectors type P11-P15|(% style="width:178px" %)Molex series Micro-Fit
17 17  
18 18  == Connection procedure ==
19 19  
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38 38  
39 39  === P1 – header for power supply ===
40 40  
55 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
56 +
41 41  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
42 42  
43 43  |**Pin**|**Name**|**Description**
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46 46  
47 47  === P15 – header for BMS Logic ===
48 48  
65 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
66 +
49 49  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
50 50  
51 51  |**Pin**|**Name**|**Description**
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56 56  
57 57  === P12 – header for current sensor ===
58 58  
77 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
78 +
59 59  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
60 60  
61 61  |**Pin**|**Name**|**Description**
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66 66  
67 67  === P13 – header for humidity sensor ===
68 68  
89 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
90 +
69 69  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
70 70  
71 71  |**Pin**|**Name**|**Description**
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76 76  
77 77  === P8 – header of relay 1 ===
78 78  
101 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
102 +
79 79  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
80 80  
81 81  By default, relay 1 is used to control the discharging contactor.
82 82  
83 83  |**Pin**|**Name**|**Description**
84 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
108 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
85 85  |**2**|**NO**|Normally open contact
86 86  
111 +Contactor connection example for all relays:
112 +
113 +[[image:1741619814065-850.png||height="189" width="252"]]
114 +
87 87  === P9 – header of relay 2 ===
88 88  
117 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
118 +
89 89  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
90 90  
91 91  By default, relay 2 is used to output the “Allow charging” signal.
92 92  
93 93  |**Pin**|**Name**|**Description**
94 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
124 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
95 95  |**2**|**NO**|Normally open contact
96 96  
127 +Contactor connection example: see relay 1.
128 +
97 97  === P6 – header of relay 3 ===
98 98  
131 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
132 +
99 99  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
100 100  
101 101  By default, relay 3 is used to control the charging contactor.
102 102  
103 103  |**Pin**|**Name**|**Description**
104 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
138 +|**1**|**V+**|Switching voltage up to 55V,
139 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
105 105  |**2**|**NO**|Normally open contact
106 106  
142 +Contactor connection example: see relay 1.
143 +
107 107  === P7 – header of relay 4 ===
108 108  
146 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
147 +
109 109  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
110 110  
111 111  By default, relay 4 is used to control the heater.
112 112  
113 113  |**Pin**|**Name**|**Description**
114 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
153 +|**1**|**V+**|Switching voltage up to 55V,
154 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
115 115  |**2**|**NO**|Normally open contact
116 116  
157 +Contactor connection example: see relay 1.
158 +
117 117  === P14 – header for CAN and RS-485 interfaces ===
118 118  
161 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
162 +
119 119  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
120 120  
121 121  (% style="width:641px" %)
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149 149  
150 150  === P11 – header for discrete inputs/outputs ===
151 151  
196 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
197 +
152 152  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
153 153  
154 154  |**Pin**|**Name**|**Description**
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