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Last modified by Admin on 2025/07/15 17:33
From version 65.1
edited by Admin
on 2025/03/18 12:30
Change comment: There is no comment for this version
To version 55.1
edited by Admin
on 2025/02/20 12:59
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 P1, P6-P9 type |(% style="width:178px" %)Molex series Mini-Fit
16 +|Headers P11-P15 type |(% style="width:178px" %)Molex series Micro-Fit
31 31  
32 32  == Connection procedure ==
33 33  
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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)
94 +|**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  
117 117  Receptacle Housing: Molex 39012020. Terminals: Molex 5556
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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)
106 +|**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  
131 131  Receptacle Housing: Molex 39012020. Terminals: Molex 5556
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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)
118 +|**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  
146 146  Receptacle Housing: Molex 39012020. Terminals: Molex 5556
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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)
130 +|**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  
161 161  Receptacle Housing: Molex 430250600. Terminals: Molex 43030
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