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Last modified by Admin on 2025/03/18 12:50
From version 3.1
edited by Admin
on 2024/12/09 10:43
Change comment: There is no comment for this version
To version 13.1
edited by Admin
on 2025/03/18 12:50
Change comment: There is no comment for this version

Summary

Details

Page properties
Parent
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1 -drafts.BMS Mini S.WebHome
1 +Battery management systems.BMS Mini S.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 errormessage" %)
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 60 V.
20 +)))
21 +
4 4  == Installation procedure ==
5 5  
6 6  The mounting area of the BMS Mini S must be protected from mechanical particles (dust, dirt, large objects) and water. The BMS Mini S 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.
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16 16  
17 17  [[image:1733740731820-300.png||data-xwiki-image-style-alignment="center" height="172" width="453"]]
18 18  
19 -|(((
20 -**Parameter**
21 -)))|**Value **
22 -|(((
23 -Overall dimensions (length × width × height), mm
24 -)))|124.5 × 117 × 17
37 +|**Parameter**|**Value **
38 +|Overall dimensions (length × width × height), mm|124.5 × 117 × 17
25 25  |Mounting dimensions (length × width), mm|115 × 111
26 26  |Mounting holes|M3
27 27  
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31 31  
32 32  [[image:1733740765989-365.png||data-xwiki-image-style-alignment="center" height="423" width="526"]]
33 33  
34 -=== Х1 – header for contactors. ===
48 +=== X1 – header for contactors ===
35 35  
50 +Receptacle Housing: Molex 430251800. Terminals: Molex 43030
51 +
36 36  [[image:1733738660904-795.jpeg||data-xwiki-image-style-alignment="center" height="96" width="316"]]
37 37  
38 38  |**Pin**|**Name**|**Description**
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47 47  |**9**|**GND**|Ground
48 48  |**10**|**-**|-
49 49  |**11**|**FB1**|Feedback signal from contactor 1
50 -|**12**|**OUT1**|Contactor control 1 (low side switch), 100V, max 5A
66 +|**12**|**OUT1**|Contactor control 1 (low side switch), 60V, max 5A
51 51  |**13**|**FB2**|Feedback signal from contactor 2
52 -|**14**|**OUT2**|Contactor control 2 (low side switch), 100V, max 5A
68 +|**14**|**OUT2**|Contactor control 2 (low side switch), 60V, max 5A
53 53  |**15**|**FB3**|Feedback signal from contactor 3
54 -|**16**|**OUT3**|Contactor control 3 (low side switch), 100V, max 5A
70 +|**16**|**OUT3**|Contactor control 3 (low side switch), 60V, max 5A
55 55  |**17**|**FB4**|Feedback signal from contactor 4
56 -|**18**|**OUT4**|Contactor control 4 (low side switch), 100V, max 5A
72 +|**18**|**OUT4**|Contactor control 4 (low side switch), 60V, max 5A
57 57  
58 58  (% class="box warningmessage" %)
59 59  (((
60 60  **ATTENTION!!!**
61 61  The load should be connected to +12V and OUTx pins. The feedback signal should be connected to FBx and GND pins. Below is an example of connecting the BMS to a contactor:
78 +[[image:1733738760833-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true"]]
62 62  )))
63 63  
64 -[[image:1733738760833-185.png||data-xwiki-image-style-alignment="center"]]
65 -
66 66  === X2 – mini-USB connector. ===
67 67  
68 -Mini0USB connector is used for configuring the BMS via ElectricDeviceMonito
83 +Mini-USB connector is used for configuring the BMS via ElectricDeviceMonitor.
69 69  
70 -=== X3 – header for discrete inputs and outputs signals.[[image:1733738860923-996.png||data-xwiki-image-style-alignment="center" height="90" width="283"]] ===
85 +=== X3 – header for discrete inputs and outputs signals ===
71 71  
87 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
88 +
89 +(% class="wikigeneratedid" %)
90 +[[image:1733738860923-996.png||data-xwiki-image-style-alignment="center" height="90" width="283"]]
91 +
72 72  |**Pin**|**Name**|**Description**
73 73  |**1**|**DIN1**|Discrete input 1 “dry contact” (+5V)
74 74  |**2**|**DIN2**|Discrete input 2 “dry contact” (+5V)
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87 87  |**15**|**GND**|Discrete output 3 (ground)
88 88  |**16**|**GND**|Discrete output 4 (ground)
89 89  
90 -=== Х4 – header for САN and RS485 interfaces. ===
110 +=== Х4 – header for САN and RS485 interfaces ===
91 91  
112 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
113 +
92 92  [[image:1733738660905-974.jpeg||data-xwiki-image-style-alignment="center" height="70" width="97"]]
93 93  
94 94  |**Pin**|**Name**|**Description**
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99 99  |**5**|**GND**|Isolated ground
100 100  |**6**|**CAN_H**|CAN-H line of the CAN bus
101 101  
102 -=== Х5 – header for ON/OFF button.[[image:1733739076878-324.png||data-xwiki-image-style-alignment="center" height="70" width="41"]] ===
124 +=== Х5 – header for ON/OFF button ===
103 103  
126 +(% class="wikigeneratedid" %)
127 +Receptacle Housing: Molex 430250200. Terminals: Molex 43030
128 +
129 +(% class="wikigeneratedid" %)
130 +[[image:1733739076878-324.png||data-xwiki-image-style-alignment="center" height="70" width="41"]]
131 +
104 104  |**Pin**|**Name**|**Description**
105 105  |**1**|**BTN**|Signal to turn on/off the BMS (“dry contact”, +3.3V)
106 106  |**2**|**GND**|Signal to turn on/off the BMS (“dry contact”, ground)
107 107  
108 -=== X6 – header for cells temperature sensors. ===
136 +=== X6 – header for cells temperature sensors ===
109 109  
138 +Receptacle Housing: Molex 430251200. Terminals: Molex 43030
139 +
110 110  [[image:1733738660906-697.png||data-xwiki-image-style-alignment="center" height="91" width="190"]]
111 111  
112 112  |**Pin**|**Name**|**Description**
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123 123  |**11**|**TEMP5**|Signal from the thermistor 5
124 124  |**12**|**TEMP6**|Signal from the thermistor 6
125 125  
126 -=== X7 - header for current sensor.[[image:1733739118831-618.png||data-xwiki-image-style-alignment="center" height="79" width="71"]] ===
156 +=== X7 - header for current sensor ===
127 127  
158 +(% class="wikigeneratedid" %)
159 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
160 +
161 +(% class="wikigeneratedid" %)
162 +[[image:1733739118831-618.png||data-xwiki-image-style-alignment="center" height="79" width="71"]]
163 +
128 128  |**Pin**|**Name**|**Description**
129 129  |**1**|**+5V**|Supply voltage for a current sensor 5V, max 50 mA
130 130  |**2**|**GND**|Ground
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133 133  
134 134  === Х8 – header for battery cells ===
135 135  
172 +Receptacle Housing: Molex 430251400. Terminals: Molex 43030
173 +
136 136  [[image:1733740846257-439.png||data-xwiki-image-style-alignment="center" height="89" width="219"]]
137 137  
138 138  |**Pin**|**Name**|**Description**
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153 153  
154 154  === Х9 – header to power the device ===
155 155  
194 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
195 +
156 156  [[image:1733738660910-242.png||data-xwiki-image-style-alignment="center" height="61" width="78"]]
157 157  
158 158  |**Pin**|**Name**|**Description**
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180 180  
181 181  === Connecting battery cells ===
182 182  
183 -
184 184  To connect battery cells, follow figure below. Incorrect connection of the cells can damage the BMS Mini.
185 185  
186 186  Begin the connection with the negative line of the battery: the “C0“ is connected to the “B-“, then the first cell (C1) is connected, then the second (С2), etc. If not all inputs of the cells are used, then the remaining inputs are connected to the cell with the most potential.