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Last modified by Admin on 2025/03/18 12:50
From version 5.2
edited by Admin
on 2024/12/11 13:12
Change comment: Update document after refactoring.
To version 14.1
edited by Admin
on 2025/03/18 12:31
Change comment: There is no comment for this version

Summary

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1 -Battery management systems.BMS Mini 2.WebHome
1 +Battery management systems.BMS Mini.WebHome
Content
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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 +It is not recommended to use the system in batteries formed by several series of cells connected in parallel. To increase capacity, it is recommended to connect several cells in parallel groups, and then connect the groups in series.
11 +
12 +(% class="box warningmessage" %)
13 +(((
14 +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.
15 +)))
16 +
17 +(% class="box errormessage" %)
18 +(((
19 +**The system is not designed to operate with batteries whose total voltage exceeds 80V.**
20 +)))
21 +
4 4  == Installation procedure ==
5 5  
6 -The mounting area of the BMS Mini 2 must be protected from mechanical particles (dust, dirt, large objects) and water. The BMS Mini 2 is recommended to be placed close to the cells it controls, but away from high current circuits to reduce interference to measuring circuits and increase overall reliability of installation.
24 +The mounting area of the BMS Mini must be protected from mechanical particles (dust, dirt, large objects) and water. The BMS Mini is recommended to be placed close to the cells it controls, but away from high current circuits to reduce interference to measuring circuits and increase overall reliability of installation.
7 7  
8 8  The installation site must provide convenient access for subsequent connection to the device’s headers for connecting other system elements: a current sensor, contactors, display panels.
9 9  
10 -The BMS Mini 2 has a heat sink to dissipate the heat generated during the balancing of the cells. When used in enclosed enclosures, heat must be removed from the sink, otherwise it may damage the device.
28 +The BMS Mini has a heat sink to dissipate the heat generated during the balancing of the cells. When used in enclosed enclosures, heat must be removed from the sink, otherwise it may damage the device.
11 11  
12 -Overall and mounting dimensions of the BMS Mini 2 are shown on figures below.
30 +Overall and mounting dimensions of the BMS Mini are shown on figures below.
13 13  
14 14  [[image:1733738313780-948.png||data-xwiki-image-style-alignment="center" height="442" width="547"]]
15 15  
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26 26  
27 27  == Headers ==
28 28  
29 -There are names and locations of the BMS Mini 2 headers on figure below.
47 +There are names and locations of the BMS Mini headers on figure below.
30 30  
31 31  [[image:1733738660900-622.png||data-xwiki-image-style-alignment="center" height="379" width="508"]]
32 32  
33 -=== Х1 – header for contactors. ===
51 +=== Х1 – header for contactors ===
34 34  
53 +Receptacle Housing: Molex 430251800. Terminals: Molex 43030
54 +
35 35  [[image:1733738660904-795.jpeg||data-xwiki-image-style-alignment="center" height="96" width="316"]]
36 36  
37 37  |**Pin**|**Name**|**Description**
... ... @@ -64,10 +64,23 @@
64 64  
65 65  === X2 – mini-USB connector. ===
66 66  
67 -Mini0USB connector is used for configuring the BMS via ElectricDeviceMonito
87 +Mini-USB connector is used for configuring the BMS via ElectricDeviceMonitor.
68 68  
69 -=== X3 – header for discrete inputs and outputs signals.[[image:1733738860923-996.png||data-xwiki-image-style-alignment="center" height="90" width="283"]] ===
89 +=== X3 – header for discrete inputs and outputs signals ===
70 70  
91 +(% class="wikigeneratedid" %)
92 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
93 +
94 +
95 +
96 +
97 +
98 +
99 +
100 +
101 +(% class="wikigeneratedid" %)
102 +[[image:1733738860923-996.png||data-xwiki-image-style-alignment="center" height="90" width="283"]]
103 +
71 71  |**Pin**|**Name**|**Description**
72 72  |**1**|**DIN1**|Discrete input 1 “dry contact” (+5V)
73 73  |**2**|**DIN2**|Discrete input 2 “dry contact” (+5V)
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86 86  |**15**|**GND**|Discrete output 3 (ground)
87 87  |**16**|**GND**|Discrete output 4 (ground)
88 88  
89 -=== Х4 – header for САN and RS485 interfaces. ===
122 +=== Х4 – header for САN and RS485 interfaces ===
90 90  
124 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
125 +
91 91  [[image:1733738660905-974.jpeg||data-xwiki-image-style-alignment="center" height="70" width="97"]]
92 92  
93 93  |**Pin**|**Name**|**Description**
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98 98  |**5**|**GND**|Isolated ground
99 99  |**6**|**CAN_H**|CAN-H line of the CAN bus
100 100  
101 -=== Х5 – header for ON/OFF button.[[image:1733739076878-324.png||data-xwiki-image-style-alignment="center" height="70" width="41"]] ===
136 +=== Х5 – header for ON/OFF button ===
102 102  
138 +Receptacle Housing: Molex 430250200. Terminals: Molex 43030
139 +
140 +(% class="wikigeneratedid" %)
141 +[[image:1733739076878-324.png||data-xwiki-image-style-alignment="center" height="70" width="41"]]
142 +
103 103  |**Pin**|**Name**|**Description**
104 104  |**1**|**BTN**|Signal to turn on/off the BMS (“dry contact”, +3.3V)
105 105  |**2**|**GND**|Signal to turn on/off the BMS (“dry contact”, ground)
106 106  
107 -=== X6 – header for cells temperature sensors. ===
147 +=== X6 – header for cells temperature sensors ===
108 108  
149 +Receptacle Housing: Molex 430251200. Terminals: Molex 43030
150 +
109 109  [[image:1733738660906-697.png||data-xwiki-image-style-alignment="center" height="91" width="190"]]
110 110  
111 111  |**Pin**|**Name**|**Description**
... ... @@ -122,8 +122,21 @@
122 122  |**11**|**TEMP5**|Signal from the thermistor 5
123 123  |**12**|**TEMP6**|Signal from the thermistor 6
124 124  
125 -=== X7 - header for current sensor.[[image:1733739118831-618.png||data-xwiki-image-style-alignment="center" height="79" width="71"]] ===
167 +=== X7 - header for current sensor ===
126 126  
169 +(% class="wikigeneratedid" %)
170 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
171 +
172 +
173 +
174 +
175 +
176 +
177 +
178 +
179 +(% class="wikigeneratedid" %)
180 +[[image:1733739118831-618.png||data-xwiki-image-style-alignment="center" height="79" width="71"]]
181 +
127 127  |**Pin**|**Name**|**Description**
128 128  |**1**|**+5V**|Supply voltage for a current sensor 5V, max 50 mA
129 129  |**2**|**GND**|Ground
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132 132  
133 133  === Х8 – header for battery cells ===
134 134  
190 +Receptacle Housing: Molex 430252000. Terminals: Molex 43030
191 +
135 135  [[image:1733738660908-107.jpeg||data-xwiki-image-style-alignment="center" height="83" width="291"]]
136 136  
137 137  |**Pin**|**Name**|**Description**
... ... @@ -158,15 +158,17 @@
158 158  
159 159  === Х9 – header to power the device ===
160 160  
218 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
219 +
161 161  [[image:1733738660910-242.png||data-xwiki-image-style-alignment="center" height="61" width="78"]]
162 162  
163 163  |**Pin**|**Name**|**Description**
164 164  |**1**|**VBAT+**|Supply voltage for BMS Mini
165 -|**2**|**VBAT-**|BMS Mini 2 power ground
224 +|**2**|**VBAT-**|BMS Mini power ground
166 166  
167 167  (% class="box warningmessage" %)
168 168  (((
169 -**Attention! **The BMS Mini 2 device is **galvanically connected** to the battery (the minus of the battery is the device ground). In view of this, when a BMS Wi-Fi or BMS GSM module is connected to the device, the antenna braid will also be galvanically connected to the battery (connected to the battery negative). It is recommended to** isolate the antenna cable from the battery case **to prevent negative potential from appearing on the case.
228 +**Attention! **The BMS Mini device is **galvanically connected** to the battery (the minus of the battery is the device ground). In view of this, when a BMS Wi-Fi or BMS GSM module is connected to the device, the antenna braid will also be galvanically connected to the battery (connected to the battery negative). It is recommended to** isolate the antenna cable from the battery case **to prevent negative potential from appearing on the case.
170 170  )))
171 171  
172 172  === J1 – jumper for switching CAN bus terminal resistor ===