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Title
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1 -2. Installation and connection
1 +2. Connection procedure
Parent
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1 -drafts.bms-main-2-1.WebHome
1 +Controllers.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 in Figure 29.
4 -
5 -[[Dimensions of the BMS Main 2.1>>image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
6 -
7 -== ==
8 -
9 -== 2.2 Connection procedure ==
10 -
11 11  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.
12 12  
13 13  1. Connect the charging and discharging contactors to the P6-P9 headers.
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15 15  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.
16 16  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.
17 17  
18 -== 2.2 ​​​​Headers description ==
8 += ​​​​Headers description =
19 19  
20 20  The BMS Main 2.1 headers are shown in figure below.
21 21  
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24 24  (% class="wikigeneratedid" %)
25 25  Following chapters describes the BMS Main 2.1 headers pinout.
26 26  
27 -=== 2.2.1 P1 – header for power supply ===
17 +=== P1 – header for power supply ===
28 28  
29 -[[image:1731516593096-166.png||height="80" width="42"]]
19 +[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
30 30  
31 31  (% style="width:339px" %)
32 32  |(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
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33 33  |(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
34 34  |(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
35 35  
36 -=== 2.2.2 P15 – header for BMS Logic ===
26 +=== P15 – header for BMS Logic ===
37 37  
38 -[[image:1731516577472-301.png||height="77" width="71"]]
28 +[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
39 39  
40 40  (% style="width:524px" %)
41 41  |(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
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44 44  |(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
45 45  |(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
46 46  
47 -=== 2.2.3 P12 – header for current sensor ===
37 +=== P12 – header for current sensor ===
48 48  
49 -[[image:1731516685999-633.png||height="74" width="68"]]
39 +[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
50 50  
51 51  (% style="width:531px" %)
52 52  |(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
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55 55  |(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
56 56  |(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
57 57  
58 -=== 2.2.4 P13 – header for humidity sensor ===
48 +=== P13 – header for humidity sensor ===
59 59  
60 -[[image:1731516942455-641.png||height="70" width="64"]]
50 +[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
61 61  
62 62  (% style="width:531px" %)
63 63  |(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
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66 66  |(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
67 67  |(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
68 68  
69 -=== 2.2.5 P8 – header of relay 1 ===
59 +=== P8 – header of relay 1 ===
70 70  
71 -[[image:1731517023208-641.png||height="80" width="42"]]
61 +[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
72 72  
73 73  By default, relay 1 is used to control the discharging contactor.
74 74  
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77 77  |(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
78 78  |(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
79 79  
80 -=== 2.2.6 P9 – header of relay 2 ===
70 +=== P9 – header of relay 2 ===
81 81  
82 -[[image:1731517025702-799.png||height="71" width="37"]]
72 +[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
83 83  
84 84  By default, relay 2 is used to output the “Allow charging” signal.
85 85  
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88 88  |(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
89 89  |(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
90 90  
91 -=== 2.2.7 P6 – header of relay 3 ===
81 +=== P6 – header of relay 3 ===
92 92  
93 -[[image:1731517025702-799.png||height="67" width="35"]]
83 +[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
94 94  
95 95  By default, relay 3 is used to control the charging contactor.
96 96  
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99 99  |(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
100 100  |(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
101 101  
102 -=== 2.2.8 P7 – header of relay 4 ===
92 +=== P7 – header of relay 4 ===
103 103  
104 -[[image:1731517025702-799.png||height="65" width="34"]]
94 +[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
105 105  
106 106  By default, relay 4 is used to control the heater.
107 107  
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110 110  |(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
111 111  |(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
112 112  
113 -=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
103 +=== P14 – header for CAN and RS-485 interfaces ===
114 114  
115 -[[image:1731517180930-597.png||height="81" width="113"]]
105 +[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
116 116  
117 117  (% style="width:641px" %)
118 118  |(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
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123 123  |(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
124 124  |(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
125 125  
126 -=== 2.2.10 P21 – CAN termination resistor jumper ===
116 +=== P21 – CAN termination resistor jumper ===
127 127  
128 -[[image:1731517188900-976.png||height="78" width="149"]]
118 +[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
129 129  
130 130  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
131 131  
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134 134  |**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
135 135  |**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
136 136  
137 -=== 2.2.11 P22 - RS-485 termination resistor jumper ===
127 +=== P22 - RS-485 termination resistor jumper ===
138 138  
139 -[[image:1731517195672-298.png||height="81" width="155"]]
129 +[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
140 140  
141 141  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
142 142  
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145 145  |**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
146 146  |**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
147 147  
148 -=== 2.2.12 P11 – header for discrete inputs/outputs ===
138 +=== P11 – header for discrete inputs/outputs ===
149 149  
150 -[[image:1731517206246-979.png||height="81" width="258"]]
140 +[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
151 151  
152 152  (% style="width:584px" %)
153 153  |(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
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168 168  |(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
169 169  |(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
170 170  
171 -= 2.3 Indicators =
161 += Indicators =
172 172  
173 -=== 2.3.1 DS1 – power indicator ===
163 +=== DS1 – power indicator ===
174 174  
175 175  (% style="width:442px" %)
176 176  |(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
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177 177  |(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
178 178  |(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
179 179  
180 -=== 2.3.2 DS2 – operation indicator ===
170 +=== DS2 – operation indicator ===
181 181  
182 182  (% style="width:442px" %)
183 183  |(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
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184 184  |(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
185 185  |(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
186 186  
187 -=== 2.3.3 DS3 – communication indicator ===
177 +=== DS3 – communication indicator ===
188 188  
189 189  (% style="width:539px" %)
190 190  |(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
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191 191  |(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
192 192  |(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
193 193  
194 -=== 2.3.4 DS4 – error indicator ===
184 +=== DS4 – error indicator ===
195 195  
196 196  (% style="width:539px" %)
197 197  |(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
198 198  |(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
199 199  
200 -=== 2.3.5 DS7 – relay 1 indicator ===
190 +=== DS7 – relay 1 indicator ===
201 201  
202 202  (% style="width:541px" %)
203 203  |(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
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204 204  |(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
205 205  |(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
206 206  
207 -=== 2.3.6 DS8 – relay 2 indicator ===
197 +=== DS8 – relay 2 indicator ===
208 208  
209 -(% style="width:542px" %)
210 -|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
211 -|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
212 -|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
213 213  
214 -=== 2.3.7 DS5 – relay 3 indicator ===
200 +|(% style="width:180px" %)**State**|(% style="width:1342px" %)**Description**
201 +|(% style="width:180px" %)**Lights green**|(% style="width:1342px" %)Relay #2 is closed
202 +|(% style="width:180px" %)**Off**|(% style="width:1342px" %)Relay #2 is opened
215 215  
216 -(% style="width:542px" %)
217 -|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
218 -|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
219 -|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
204 +=== DS5 – relay 3 indicator ===
220 220  
221 -=== 2.3.8 DS6 – relay 4 indicator ===
206 +|**State**|**Description**
207 +|**Lights green**|Relay #3 is closed
208 +|**Off**|Relay #3 is opened
222 222  
223 -(% style="width:542px" %)
224 -|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
225 -|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
226 -|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
210 +=== DS6 – relay 4 indicator ===
227 227  
212 +|**State**|**Description**
213 +|**Lights green**|Relay #4 is closed
214 +|**Off**|Relay #4 is opened
215 +
228 228  
1732198397369-222.png
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