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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  
29 29  [[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
30 30  
31 -(% class="box warningmessage" %)
32 -(((
33 -**Attention!**
34 -All headers are shown from the device side!
35 -)))
27 +(% class="wikigeneratedid" %)
28 +Following chapters describes the BMS Main 2.1 headers pinout.
36 36  
37 -=== P1 – header for power supply ===
30 +=== 2.3.1 P1 – header for power supply ===
38 38  
39 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
32 +[[image:1732198827034-560.png||height="78" width="41"]]
40 40  
41 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
42 -
43 43  |**Pin**|**Name**|**Description**
44 44  |**1**|**GND**|Ground
45 45  |**2**|**V+**|Supply voltage 9-30V
46 46  
47 -=== P15 – header for BMS Logic ===
38 +=== 2.3.2 P15 – header for BMS Logic ===
48 48  
49 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
40 +[[image:1732198890482-787.png||height="77" width="71"]]
50 50  
51 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
52 -
53 53  |**Pin**|**Name**|**Description**
54 54  |**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
55 55  |**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
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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 ===
48 +=== 2.3.3 P12 – header for current sensor ===
60 60  
61 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
50 +[[image:1732198890482-787.png||height="77" width="71"]]
62 62  
63 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
64 -
65 65  |**Pin**|**Name**|**Description**
66 66  |**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
67 67  |**2**|**GND**|Ground
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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 ===
58 +=== 2.3.4 P13 – header for humidity sensor ===
72 72  
73 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
60 +[[image:1732198896526-660.png||height="70" width="64"]]
74 74  
75 -[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
76 -
77 77  |**Pin**|**Name**|**Description**
78 78  |**1**|**+5V**|Supply voltage 5 V, max 50 mA
79 79  |**2**|**GND**|Ground
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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 ===
68 +=== 2.3.5 P8 – header of relay 1 ===
84 84  
85 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
70 +[[image:1732198827034-560.png||height="78" width="41"]]
86 86  
87 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
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)
75 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
93 93  |**2**|**NO**|Normally open contact
94 94  
95 -=== P9 – header of relay 2 ===
78 +=== 2.3.6 P9 – header of relay 2 ===
96 96  
97 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
80 +[[image:1732198827034-560.png||height="78" width="41"]]
98 98  
99 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
100 -
101 101  By default, relay 2 is used to output the “Allow charging” signal.
102 102  
103 103  |**Pin**|**Name**|**Description**
104 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
85 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
105 105  |**2**|**NO**|Normally open contact
106 106  
107 -=== P6 – header of relay 3 ===
88 +=== 2.3.7 P6 – header of relay 3 ===
108 108  
109 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
90 +[[image:1732198827034-560.png||height="78" width="41"]]
110 110  
111 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
112 -
113 113  By default, relay 3 is used to control the charging contactor.
114 114  
115 115  |**Pin**|**Name**|**Description**
116 -|**1**|**V+**|Switching voltage up to 55V,
117 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
95 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
118 118  |**2**|**NO**|Normally open contact
119 119  
120 -=== P7 – header of relay 4 ===
98 +=== 2.3.8 P7 – header of relay 4 ===
121 121  
122 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
100 +[[image:1732198827034-560.png||height="78" width="41"]]
123 123  
124 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
125 -
126 126  By default, relay 4 is used to control the heater.
127 127  
128 128  |**Pin**|**Name**|**Description**
129 -|**1**|**V+**|Switching voltage up to 55V,
130 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
105 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
131 131  |**2**|**NO**|Normally open contact
132 132  
133 -=== P14 – header for CAN and RS-485 interfaces ===
108 +=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
134 134  
135 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
110 +[[image:1731517180930-597.png||height="81" width="113"]]
136 136  
137 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
138 -
139 139  (% style="width:641px" %)
140 140  |**Pin**|**Name**|**Description**
141 141  |**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
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145 145  |**5**|**CAN_L**|CAN L line for communication with external equipment
146 146  |**6**|**GND_CAN**|Ground
147 147  
148 -=== P21 – CAN termination resistor jumper ===
121 +=== 2.3.10 P21 – CAN termination resistor jumper ===
149 149  
150 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
123 +[[image:1731517188900-976.png||height="78" width="149"]]
151 151  
152 152  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
153 153  
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155 155  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
156 156  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
157 157  
158 -=== P22 - RS-485 termination resistor jumper ===
131 +=== 2.3.11 P22 - RS-485 termination resistor jumper ===
159 159  
160 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
133 +[[image:1731517195672-298.png||height="81" width="155"]]
161 161  
162 162  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
163 163  
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165 165  |**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
166 166  |**2-3**|**-**|Terminating resistor 120 Ohm is not connected
167 167  
168 -=== P11 – header for discrete inputs/outputs ===
141 +=== 2.3.12 P11 – header for discrete inputs/outputs ===
169 169  
170 -Receptacle Housing: Molex 430251600. Terminals: Molex 43030
143 +[[image:1732198937514-731.png||height="85" width="272"]]
171 171  
172 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
173 -
174 174  |**Pin**|**Name**|**Description**
175 175  |**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
176 176  |**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
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189 189  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
190 190  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
191 191  
192 -== Indicators ==
163 += 2.4 Indicators =
193 193  
194 -=== DS1 – power indicator ===
165 +=== 2.4.1 DS1 – power indicator ===
195 195  
196 196  |**State**|**Description**
197 197  |**Lights red**|The device is powered
198 198  |**Off**|The device is not powered
199 199  
200 -=== DS2 – operation indicator ===
171 +=== 2.4.2 DS2 – operation indicator ===
201 201  
202 202  |**State**|**Description**
203 203  |**Blinking green**|The BMS firmware is running
204 204  |**Off**|The BMS firmware is not running
205 205  
206 -=== DS3 – communication indicator ===
177 +=== 2.4.3 DS3 – communication indicator ===
207 207  
208 208  |**State**|**Description**
209 209  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
210 210  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
211 211  
212 -=== DS4 – error indicator ===
183 +=== 2.4.4 DS4 – error indicator ===
213 213  
214 214  
215 215  |(**State**|**Description**
216 216  |(**Blinking red**|Errors in communication with BMS Logic
217 217  
218 -=== DS7 – relay 1 indicator ===
189 +=== 2.4.5 DS7 – relay 1 indicator ===
219 219  
220 220  |**State**|**Description**
221 221  |**Lights green**|Relay #1 is closed
222 222  |**Off**|Relay #1 is opened
223 223  
224 -=== DS8 – relay 2 indicator ===
195 +=== 2.4.6 DS8 – relay 2 indicator ===
225 225  
226 226  |**State**|**Description**
227 227  |**Lights green**|Relay #2 is closed
228 228  |**Off**|Relay #2 is opened
229 229  
230 -=== DS5 – relay 3 indicator ===
201 +=== 2.4.7 DS5 – relay 3 indicator ===
231 231  
232 232  |**State**|**Description**
233 233  |**Lights green**|Relay #3 is closed
234 234  |**Off**|Relay #3 is opened
235 235  
236 -=== DS6 – relay 4 indicator ===
207 +=== 2.4.8 DS6 – relay 4 indicator ===
237 237  
238 238  |**State**|**Description**
239 239  |**Lights green**|Relay #4 is closed
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