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Last modified by Admin on 2025/07/15 17:33
From version 49.3
edited by Admin
on 2025/02/06 11:26
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|(% style="width:178px" %)Molex MiniFit (P1, P6)
16 16  
17 17  == Connection procedure ==
18 18  
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37 37  
38 38  === P1 – header for power supply ===
39 39  
55 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
56 +
40 40  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
41 41  
42 42  |**Pin**|**Name**|**Description**
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45 45  
46 46  === P15 – header for BMS Logic ===
47 47  
65 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
66 +
48 48  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
49 49  
50 50  |**Pin**|**Name**|**Description**
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55 55  
56 56  === P12 – header for current sensor ===
57 57  
77 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
78 +
58 58  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
59 59  
60 60  |**Pin**|**Name**|**Description**
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65 65  
66 66  === P13 – header for humidity sensor ===
67 67  
89 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
90 +
68 68  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
69 69  
70 70  |**Pin**|**Name**|**Description**
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75 75  
76 76  === P8 – header of relay 1 ===
77 77  
101 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
102 +
78 78  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
79 79  
80 80  By default, relay 1 is used to control the discharging contactor.
81 81  
82 82  |**Pin**|**Name**|**Description**
83 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
108 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
84 84  |**2**|**NO**|Normally open contact
85 85  
111 +Contactor connection example for all relays:
112 +
113 +[[image:1741619814065-850.png||height="189" width="252"]]
114 +
86 86  === P9 – header of relay 2 ===
87 87  
117 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
118 +
88 88  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
89 89  
90 90  By default, relay 2 is used to output the “Allow charging” signal.
91 91  
92 92  |**Pin**|**Name**|**Description**
93 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
124 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
94 94  |**2**|**NO**|Normally open contact
95 95  
127 +Contactor connection example: see relay 1.
128 +
96 96  === P6 – header of relay 3 ===
97 97  
131 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
132 +
98 98  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
99 99  
100 100  By default, relay 3 is used to control the charging contactor.
101 101  
102 102  |**Pin**|**Name**|**Description**
103 -|**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)
104 104  |**2**|**NO**|Normally open contact
105 105  
142 +Contactor connection example: see relay 1.
143 +
106 106  === P7 – header of relay 4 ===
107 107  
146 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
147 +
108 108  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
109 109  
110 110  By default, relay 4 is used to control the heater.
111 111  
112 112  |**Pin**|**Name**|**Description**
113 -|**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)
114 114  |**2**|**NO**|Normally open contact
115 115  
157 +Contactor connection example: see relay 1.
158 +
116 116  === P14 – header for CAN and RS-485 interfaces ===
117 117  
161 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
162 +
118 118  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
119 119  
120 120  (% style="width:641px" %)
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148 148  
149 149  === P11 – header for discrete inputs/outputs ===
150 150  
196 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
197 +
151 151  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
152 152  
153 153  |**Pin**|**Name**|**Description**
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