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Last modified by Admin on 2025/07/15 17:33
From version 62.1
edited by Admin
on 2025/03/10 15:20
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To version 48.1
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Parent
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1 -Battery management systems.BMS Main 2\.1.WebHome
1 +drafts.BMS Main 2\.1.WebHome
Content
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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 -= Installation and connection =
1 +== 2.1 Installation procedure ==
3 3  
4 -== Installation procedure ==
5 -
6 6  Overall and mounting dimensions of the BMS Main 2.1 are shown below.
7 7  
8 8  [[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
9 9  
10 -(% style="width:494px" %)
11 -|**Parameter**|(% style="width:178px" %)**Value**
12 -|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
13 -|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
14 -|Mounting holes|(% style="width:178px" %)M3
7 +|**Parameter**|**Value**
8 +|Overall dimensions (length × width × height), mm|120 × 120 × 32
9 +|Mounting dimensions (length × width), mm|114 × 114
10 +|Mounting holes|M3
15 15  
16 -== Connection procedure ==
12 +== 2.2 Connection procedure ==
17 17  
18 18  The mounting area of the BMS Main 2.1 must be protected from mechanical particles (dust, dirt, large objects) and water. The installation site must provide convenient access for subsequent connection to the device’s headers.
19 19  
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22 22  1. Connect the BMS Main 2.1 to the on-board CAN network. Observe the rules for connecting CAN devices. If the BMS Main 2.1 is the last device on a bus, close pins 1-2 on the P21 jumper, otherwise leave the jumper on pins 2-3.
23 23  1. Connect a power supply to the P1 header. It is not recommended to power the BMS Main 2.1 from the battery only, since at a critical discharge of the battery, it is not possible to turn on the BMS and close the charging contactor.
24 24  
25 -== ​​​​Headers description ==
21 +== 2.3 ​​​​Headers description ==
26 26  
27 27  The BMS Main 2.1 headers are shown in figure below.
28 28  
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34 34  All headers are shown from the device side!
35 35  )))
36 36  
37 -=== P1 – header for power supply ===
33 +=== 2.3.1 P1 – header for power supply ===
38 38  
39 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
40 -
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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44 44  |**1**|**GND**|Ground
45 45  |**2**|**V+**|Supply voltage 9-30V
46 46  
47 -=== P15 – header for BMS Logic ===
41 +=== 2.3.2 P15 – header for BMS Logic ===
48 48  
49 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
50 -
51 51  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
52 52  
53 53  |**Pin**|**Name**|**Description**
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56 56  |**3**|**+5V**|Supply voltage for BMS Logic
57 57  |**4**|**GND**|Ground
58 58  
59 -=== P12 – header for current sensor ===
51 +=== 2.3.3 P12 – header for current sensor ===
60 60  
61 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
62 -
63 63  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
64 64  
65 65  |**Pin**|**Name**|**Description**
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68 68  |**3**|**Vcs**|ADC input (current sensor output)
69 69  |**4**|**Vref**|ADC input (current sensor reference signal)
70 70  
71 -=== P13 – header for humidity sensor ===
61 +=== 2.3.4 P13 – header for humidity sensor ===
72 72  
73 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
74 -
75 75  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
76 76  
77 77  |**Pin**|**Name**|**Description**
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80 80  |**3**|**Vhs**|ADC input (humidity sensor output)
81 81  |**4**|**Vts**|ADC input (temperature sensor output)
82 82  
83 -=== P8 – header of relay 1 ===
71 +=== 2.3.5 P8 – header of relay 1 ===
84 84  
85 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
86 -
87 87  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
88 88  
89 89  By default, relay 1 is used to control the discharging contactor.
90 90  
91 91  |**Pin**|**Name**|**Description**
92 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
78 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
93 93  |**2**|**NO**|Normally open contact
94 94  
95 -Contactor connection example for all relays:
81 +=== 2.3.6 P9 – header of relay 2 ===
96 96  
97 -[[image:1741619814065-850.png||height="189" width="252"]]
98 -
99 -=== P9 – header of relay 2 ===
100 -
101 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
102 -
103 103  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
104 104  
105 105  By default, relay 2 is used to output the “Allow charging” signal.
106 106  
107 107  |**Pin**|**Name**|**Description**
108 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
88 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
109 109  |**2**|**NO**|Normally open contact
110 110  
111 -Contactor connection example: see relay 1.
91 +=== 2.3.7 P6 – header of relay 3 ===
112 112  
113 -=== P6 – header of relay 3 ===
114 -
115 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
116 -
117 117  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
118 118  
119 119  By default, relay 3 is used to control the charging contactor.
120 120  
121 121  |**Pin**|**Name**|**Description**
122 -|**1**|**V+**|Switching voltage up to 55V,
123 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
98 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
124 124  |**2**|**NO**|Normally open contact
125 125  
126 -Contactor connection example: see relay 1.
101 +=== 2.3.8 P7 – header of relay 4 ===
127 127  
128 -=== P7 – header of relay 4 ===
129 -
130 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
131 -
132 132  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
133 133  
134 134  By default, relay 4 is used to control the heater.
135 135  
136 136  |**Pin**|**Name**|**Description**
137 -|**1**|**V+**|Switching voltage up to 55V,
138 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
108 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
139 139  |**2**|**NO**|Normally open contact
140 140  
141 -Contactor connection example: see relay 1.
111 +=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
142 142  
143 -=== P14 – header for CAN and RS-485 interfaces ===
144 -
145 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
146 -
147 147  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
148 148  
149 149  (% style="width:641px" %)
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155 155  |**5**|**CAN_L**|CAN L line for communication with external equipment
156 156  |**6**|**GND_CAN**|Ground
157 157  
158 -=== P21 – CAN termination resistor jumper ===
124 +=== 2.3.10 P21 – CAN termination resistor jumper ===
159 159  
160 160  [[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
161 161  
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165 165  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
166 166  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
167 167  
168 -=== P22 - RS-485 termination resistor jumper ===
134 +=== 2.3.11 P22 - RS-485 termination resistor jumper ===
169 169  
170 170  [[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
171 171  
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175 175  |**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
176 176  |**2-3**|**-**|Terminating resistor 120 Ohm is not connected
177 177  
178 -=== P11 – header for discrete inputs/outputs ===
144 +=== 2.3.12 P11 – header for discrete inputs/outputs ===
179 179  
180 -Receptacle Housing: Molex 430251600. Terminals: Molex 43030
181 -
182 182  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
183 183  
184 184  |**Pin**|**Name**|**Description**
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199 199  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
200 200  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
201 201  
202 -== Indicators ==
166 += 2.4 Indicators =
203 203  
204 -=== DS1 – power indicator ===
168 +=== 2.4.1 DS1 – power indicator ===
205 205  
206 206  |**State**|**Description**
207 207  |**Lights red**|The device is powered
208 208  |**Off**|The device is not powered
209 209  
210 -=== DS2 – operation indicator ===
174 +=== 2.4.2 DS2 – operation indicator ===
211 211  
212 212  |**State**|**Description**
213 213  |**Blinking green**|The BMS firmware is running
214 214  |**Off**|The BMS firmware is not running
215 215  
216 -=== DS3 – communication indicator ===
180 +=== 2.4.3 DS3 – communication indicator ===
217 217  
218 218  |**State**|**Description**
219 219  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
220 220  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
221 221  
222 -=== DS4 – error indicator ===
186 +=== 2.4.4 DS4 – error indicator ===
223 223  
224 224  
225 225  |(**State**|**Description**
226 226  |(**Blinking red**|Errors in communication with BMS Logic
227 227  
228 -=== DS7 – relay 1 indicator ===
192 +=== 2.4.5 DS7 – relay 1 indicator ===
229 229  
230 230  |**State**|**Description**
231 231  |**Lights green**|Relay #1 is closed
232 232  |**Off**|Relay #1 is opened
233 233  
234 -=== DS8 – relay 2 indicator ===
198 +=== 2.4.6 DS8 – relay 2 indicator ===
235 235  
236 236  |**State**|**Description**
237 237  |**Lights green**|Relay #2 is closed
238 238  |**Off**|Relay #2 is opened
239 239  
240 -=== DS5 – relay 3 indicator ===
204 +=== 2.4.7 DS5 – relay 3 indicator ===
241 241  
242 242  |**State**|**Description**
243 243  |**Lights green**|Relay #3 is closed
244 244  |**Off**|Relay #3 is opened
245 245  
246 -=== DS6 – relay 4 indicator ===
210 +=== 2.4.8 DS6 – relay 4 indicator ===
247 247  
248 248  |**State**|**Description**
249 249  |**Lights green**|Relay #4 is closed
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