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Title
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1 -2. Installation and connection
1 +2. Connection procedure
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1 -drafts.BMS Main 2\.1.WebHome
1 +drafts.bms-main-2-1.WebHome
Content
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1 -== 2.1 Installation procedure ==
2 -
3 -Overall and mounting dimensions of the BMS Main 2.1 are shown below.
4 -
5 -[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
6 -
7 -|**Parameter**|**Value**
8 -|(((
9 -Overall dimensions (length × width × height), mm
10 -)))|120 × 120 × 32
11 -|Mounting dimensions (length × width), mm|114 × 114
12 -|Mounting holes|M3
13 -
14 -== 2.2 Connection procedure ==
15 -
16 16  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.
17 17  
18 18  1. Connect the charging and discharging contactors to the P6-P9 headers.
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20 20  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.
21 21  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.
22 22  
23 -== 2.3 ​​​​Headers description ==
8 += ​​​​Headers description =
24 24  
25 25  The BMS Main 2.1 headers are shown in figure below.
26 26  
27 -[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
12 +[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
28 28  
29 29  (% class="wikigeneratedid" %)
30 30  Following chapters describes the BMS Main 2.1 headers pinout.
31 31  
32 -=== 2.3.1 P1 – header for power supply ===
17 +=== P1 – header for power supply ===
33 33  
34 -[[image:1732198827034-560.png||height="78" width="41"]]
19 +[[image:1731516593096-166.png||height="80" width="42"]]
35 35  
36 36  (% style="width:339px" %)
37 37  |(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
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38 38  |(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
39 39  |(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
40 40  
41 -=== 2.3.2 P15 – header for BMS Logic ===
26 +=== P15 – header for BMS Logic ===
42 42  
43 -[[image:1732198890482-787.png||height="77" width="71"]]
28 +[[image:1731516577472-301.png||height="77" width="71"]]
44 44  
45 -
46 46  (% style="width:524px" %)
47 47  |(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
48 48  |(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
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50 50  |(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
51 51  |(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
52 52  
53 -=== 2.3.3 P12 – header for current sensor ===
37 +=== P12 – header for current sensor ===
54 54  
55 -[[image:1732198890482-787.png||height="77" width="71"]]
39 +[[image:1731516685999-633.png||height="74" width="68"]]
56 56  
57 57  (% style="width:531px" %)
58 58  |(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
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61 61  |(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
62 62  |(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
63 63  
64 -=== 2.3.4 P13 – header for humidity sensor ===
48 +=== P13 – header for humidity sensor ===
65 65  
66 -[[image:1732198896526-660.png||height="70" width="64"]]
50 +[[image:1731516942455-641.png||height="70" width="64"]]
67 67  
68 68  (% style="width:531px" %)
69 69  |(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
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72 72  |(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
73 73  |(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
74 74  
75 -=== 2.3.5 P8 – header of relay 1 ===
59 +=== P8 – header of relay 1 ===
76 76  
77 -[[image:1732198827034-560.png||height="78" width="41"]]
61 +[[image:1731517023208-641.png||height="80" width="42"]]
78 78  
79 79  By default, relay 1 is used to control the discharging contactor.
80 80  
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83 83  |(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
84 84  |(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
85 85  
86 -=== 2.3.6 P9 – header of relay 2 ===
70 +=== P9 – header of relay 2 ===
87 87  
88 -[[image:1732198827034-560.png||height="78" width="41"]]
72 +[[image:1731517025702-799.png||height="71" width="37"]]
89 89  
90 90  By default, relay 2 is used to output the “Allow charging” signal.
91 91  
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94 94  |(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
95 95  |(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
96 96  
97 -=== 2.3.7 P6 – header of relay 3 ===
81 +=== P6 – header of relay 3 ===
98 98  
99 -[[image:1732198827034-560.png||height="78" width="41"]]
83 +[[image:1731517025702-799.png||height="67" width="35"]]
100 100  
101 101  By default, relay 3 is used to control the charging contactor.
102 102  
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105 105  |(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
106 106  |(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
107 107  
108 -=== 2.3.8 P7 – header of relay 4 ===
92 +=== P7 – header of relay 4 ===
109 109  
110 -[[image:1732198827034-560.png||height="78" width="41"]]
94 +[[image:1731517025702-799.png||height="65" width="34"]]
111 111  
112 112  By default, relay 4 is used to control the heater.
113 113  
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116 116  |(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
117 117  |(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
118 118  
119 -=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
103 +=== P14 – header for CAN and RS-485 interfaces ===
120 120  
121 121  [[image:1731517180930-597.png||height="81" width="113"]]
122 122  
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129 129  |(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
130 130  |(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
131 131  
132 -=== 2.3.10 P21 – CAN termination resistor jumper ===
116 +=== P21 – CAN termination resistor jumper ===
133 133  
134 134  [[image:1731517188900-976.png||height="78" width="149"]]
135 135  
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140 140  |**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
141 141  |**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
142 142  
143 -=== 2.3.11 P22 - RS-485 termination resistor jumper ===
127 +=== P22 - RS-485 termination resistor jumper ===
144 144  
145 145  [[image:1731517195672-298.png||height="81" width="155"]]
146 146  
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151 151  |**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
152 152  |**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
153 153  
154 -=== 2.3.12 P11 – header for discrete inputs/outputs ===
138 +=== P11 – header for discrete inputs/outputs ===
155 155  
156 -[[image:1732198937514-731.png||height="85" width="272"]]
140 +[[image:1731517206246-979.png||height="81" width="258"]]
157 157  
158 158  (% style="width:584px" %)
159 159  |(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
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174 174  |(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
175 175  |(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
176 176  
177 -= 2.4 Indicators =
161 += Indicators =
178 178  
179 -=== 2.4.1 DS1 – power indicator ===
163 +=== DS1 – power indicator ===
180 180  
181 181  (% style="width:442px" %)
182 182  |(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
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183 183  |(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
184 184  |(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
185 185  
186 -=== 2.4.2 DS2 – operation indicator ===
170 +=== DS2 – operation indicator ===
187 187  
188 188  (% style="width:442px" %)
189 189  |(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
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190 190  |(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
191 191  |(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
192 192  
193 -=== 2.4.3 DS3 – communication indicator ===
177 +=== DS3 – communication indicator ===
194 194  
195 195  (% style="width:539px" %)
196 196  |(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
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197 197  |(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
198 198  |(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
199 199  
200 -=== 2.4.4 DS4 – error indicator ===
184 +=== DS4 – error indicator ===
201 201  
202 202  (% style="width:539px" %)
203 203  |(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
204 204  |(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
205 205  
206 -=== 2.4.5 DS7 – relay 1 indicator ===
190 +=== DS7 – relay 1 indicator ===
207 207  
208 208  (% style="width:541px" %)
209 209  |(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
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210 210  |(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
211 211  |(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
212 212  
213 -=== 2.4.6 DS8 – relay 2 indicator ===
197 +=== DS8 – relay 2 indicator ===
214 214  
199 +
215 215  (% style="width:542px" %)
216 216  |(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
217 217  |(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
218 218  |(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
219 219  
220 -=== 2.4.7 DS5 – relay 3 indicator ===
205 +=== DS5 – relay 3 indicator ===
221 221  
222 222  (% style="width:542px" %)
223 223  |(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
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224 224  |(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
225 225  |(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
226 226  
227 -=== 2.4.8 DS6 – relay 4 indicator ===
212 +=== DS6 – relay 4 indicator ===
228 228  
229 229  (% style="width:542px" %)
230 230  |(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
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