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Last modified by Admin on 2025/07/15 17:33
From version 49.3
edited by Admin
on 2025/02/06 11:26
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To version 46.1
edited by Admin
on 2024/11/29 14:22
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Summary

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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
15 -|Connectors type|(% style="width:178px" %)Molex MiniFit (P1, P6)
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
16 16  
17 -== Connection procedure ==
12 +== 2.2 Connection procedure ==
18 18  
19 19  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.
20 20  
... ... @@ -23,29 +23,26 @@
23 23  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.
24 24  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.
25 25  
26 -== ​​​​Headers description ==
21 +== 2.3 ​​​​Headers description ==
27 27  
28 28  The BMS Main 2.1 headers are shown in figure below.
29 29  
30 30  [[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
31 31  
32 -(% class="box warningmessage" %)
33 -(((
34 -**Attention!**
35 -All headers are shown from the device side!
36 -)))
27 +(% class="wikigeneratedid" %)
28 +Following chapters describes the BMS Main 2.1 headers pinout.
37 37  
38 -=== P1 – header for power supply ===
30 +=== 2.3.1 P1 – header for power supply ===
39 39  
40 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
32 +[[image:1732198827034-560.png||height="78" width="41"]]
41 41  
42 42  |**Pin**|**Name**|**Description**
43 43  |**1**|**GND**|Ground
44 44  |**2**|**V+**|Supply voltage 9-30V
45 45  
46 -=== P15 – header for BMS Logic ===
38 +=== 2.3.2 P15 – header for BMS Logic ===
47 47  
48 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
40 +[[image:1732198890482-787.png||height="77" width="71"]]
49 49  
50 50  |**Pin**|**Name**|**Description**
51 51  |**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
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53 53  |**3**|**+5V**|Supply voltage for BMS Logic
54 54  |**4**|**GND**|Ground
55 55  
56 -=== P12 – header for current sensor ===
48 +=== 2.3.3 P12 – header for current sensor ===
57 57  
58 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
50 +[[image:1732198890482-787.png||height="77" width="71"]]
59 59  
60 60  |**Pin**|**Name**|**Description**
61 61  |**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
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63 63  |**3**|**Vcs**|ADC input (current sensor output)
64 64  |**4**|**Vref**|ADC input (current sensor reference signal)
65 65  
66 -=== P13 – header for humidity sensor ===
58 +=== 2.3.4 P13 – header for humidity sensor ===
67 67  
68 -[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
60 +[[image:1732198896526-660.png||height="70" width="64"]]
69 69  
70 70  |**Pin**|**Name**|**Description**
71 71  |**1**|**+5V**|Supply voltage 5 V, max 50 mA
... ... @@ -73,9 +73,9 @@
73 73  |**3**|**Vhs**|ADC input (humidity sensor output)
74 74  |**4**|**Vts**|ADC input (temperature sensor output)
75 75  
76 -=== P8 – header of relay 1 ===
68 +=== 2.3.5 P8 – header of relay 1 ===
77 77  
78 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
70 +[[image:1732198827034-560.png||height="78" width="41"]]
79 79  
80 80  By default, relay 1 is used to control the discharging contactor.
81 81  
... ... @@ -83,9 +83,9 @@
83 83  |**1**|**V+**|Switching voltage (up to 55V, max 2A)
84 84  |**2**|**NO**|Normally open contact
85 85  
86 -=== P9 – header of relay 2 ===
78 +=== 2.3.6 P9 – header of relay 2 ===
87 87  
88 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
80 +[[image:1732198827034-560.png||height="78" width="41"]]
89 89  
90 90  By default, relay 2 is used to output the “Allow charging” signal.
91 91  
... ... @@ -93,9 +93,9 @@
93 93  |**1**|**V+**|Switching voltage (up to 55V, max 2A)
94 94  |**2**|**NO**|Normally open contact
95 95  
96 -=== P6 – header of relay 3 ===
88 +=== 2.3.7 P6 – header of relay 3 ===
97 97  
98 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
90 +[[image:1732198827034-560.png||height="78" width="41"]]
99 99  
100 100  By default, relay 3 is used to control the charging contactor.
101 101  
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103 103  |**1**|**V+**|Switching voltage (up to 55V, max 8A)
104 104  |**2**|**NO**|Normally open contact
105 105  
106 -=== P7 – header of relay 4 ===
98 +=== 2.3.8 P7 – header of relay 4 ===
107 107  
108 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
100 +[[image:1732198827034-560.png||height="78" width="41"]]
109 109  
110 110  By default, relay 4 is used to control the heater.
111 111  
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113 113  |**1**|**V+**|Switching voltage (up to 55V, max 8A)
114 114  |**2**|**NO**|Normally open contact
115 115  
116 -=== P14 – header for CAN and RS-485 interfaces ===
108 +=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
117 117  
118 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
110 +[[image:1731517180930-597.png||height="81" width="113"]]
119 119  
120 120  (% style="width:641px" %)
121 121  |**Pin**|**Name**|**Description**
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126 126  |**5**|**CAN_L**|CAN L line for communication with external equipment
127 127  |**6**|**GND_CAN**|Ground
128 128  
129 -=== P21 – CAN termination resistor jumper ===
121 +=== 2.3.10 P21 – CAN termination resistor jumper ===
130 130  
131 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
123 +[[image:1731517188900-976.png||height="78" width="149"]]
132 132  
133 133  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
134 134  
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136 136  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
137 137  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
138 138  
139 -=== P22 - RS-485 termination resistor jumper ===
131 +=== 2.3.11 P22 - RS-485 termination resistor jumper ===
140 140  
141 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
133 +[[image:1731517195672-298.png||height="81" width="155"]]
142 142  
143 143  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
144 144  
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146 146  |**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
147 147  |**2-3**|**-**|Terminating resistor 120 Ohm is not connected
148 148  
149 -=== P11 – header for discrete inputs/outputs ===
141 +=== 2.3.12 P11 – header for discrete inputs/outputs ===
150 150  
151 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
143 +[[image:1732198937514-731.png||height="85" width="272"]]
152 152  
153 153  |**Pin**|**Name**|**Description**
154 154  |**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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168 168  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
169 169  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
170 170  
171 -== Indicators ==
163 += 2.4 Indicators =
172 172  
173 -=== DS1 – power indicator ===
165 +=== 2.4.1 DS1 – power indicator ===
174 174  
175 175  |**State**|**Description**
176 176  |**Lights red**|The device is powered
177 177  |**Off**|The device is not powered
178 178  
179 -=== DS2 – operation indicator ===
171 +=== 2.4.2 DS2 – operation indicator ===
180 180  
181 181  |**State**|**Description**
182 182  |**Blinking green**|The BMS firmware is running
183 183  |**Off**|The BMS firmware is not running
184 184  
185 -=== DS3 – communication indicator ===
177 +=== 2.4.3 DS3 – communication indicator ===
186 186  
187 187  |**State**|**Description**
188 188  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
189 189  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
190 190  
191 -=== DS4 – error indicator ===
183 +=== 2.4.4 DS4 – error indicator ===
192 192  
193 193  
194 194  |(**State**|**Description**
195 195  |(**Blinking red**|Errors in communication with BMS Logic
196 196  
197 -=== DS7 – relay 1 indicator ===
189 +=== 2.4.5 DS7 – relay 1 indicator ===
198 198  
199 199  |**State**|**Description**
200 200  |**Lights green**|Relay #1 is closed
201 201  |**Off**|Relay #1 is opened
202 202  
203 -=== DS8 – relay 2 indicator ===
195 +=== 2.4.6 DS8 – relay 2 indicator ===
204 204  
205 205  |**State**|**Description**
206 206  |**Lights green**|Relay #2 is closed
207 207  |**Off**|Relay #2 is opened
208 208  
209 -=== DS5 – relay 3 indicator ===
201 +=== 2.4.7 DS5 – relay 3 indicator ===
210 210  
211 211  |**State**|**Description**
212 212  |**Lights green**|Relay #3 is closed
213 213  |**Off**|Relay #3 is opened
214 214  
215 -=== DS6 – relay 4 indicator ===
207 +=== 2.4.8 DS6 – relay 4 indicator ===
216 216  
217 217  |**State**|**Description**
218 218  |**Lights green**|Relay #4 is closed