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Last modified by Admin on 2025/07/15 17:33
From version 49.1
edited by Admin
on 2024/12/11 09:38
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To version 47.1
edited by Admin
on 2024/12/02 05:49
Change comment: There is no comment for this version

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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"]]
... ... @@ -12,7 +12,7 @@
12 12  |Mounting dimensions (length × width), mm|114 × 114
13 13  |Mounting holes|M3
14 14  
15 -== Connection procedure ==
12 +== 2.2 Connection procedure ==
16 16  
17 17  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.
18 18  
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21 21  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.
22 22  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.
23 23  
24 -== ​​​​Headers description ==
21 +== 2.3 ​​​​Headers description ==
25 25  
26 26  The BMS Main 2.1 headers are shown in figure below.
27 27  
28 28  [[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
29 29  
30 -(% class="box warningmessage" %)
31 -(((
32 -**Attention!**
33 -All headers are shown from the device side!
34 -)))
27 +(% class="wikigeneratedid" %)
28 +Following chapters describes the BMS Main 2.1 headers pinout.
35 35  
36 -=== P1 – header for power supply ===
30 +=== 2.3.1 P1 – header for power supply ===
37 37  
38 38  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
39 39  
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41 41  |**1**|**GND**|Ground
42 42  |**2**|**V+**|Supply voltage 9-30V
43 43  
44 -=== P15 – header for BMS Logic ===
38 +=== 2.3.2 P15 – header for BMS Logic ===
45 45  
46 46  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
47 47  
... ... @@ -51,7 +51,7 @@
51 51  |**3**|**+5V**|Supply voltage for BMS Logic
52 52  |**4**|**GND**|Ground
53 53  
54 -=== P12 – header for current sensor ===
48 +=== 2.3.3 P12 – header for current sensor ===
55 55  
56 56  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
57 57  
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61 61  |**3**|**Vcs**|ADC input (current sensor output)
62 62  |**4**|**Vref**|ADC input (current sensor reference signal)
63 63  
64 -=== P13 – header for humidity sensor ===
58 +=== 2.3.4 P13 – header for humidity sensor ===
65 65  
66 66  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
67 67  
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71 71  |**3**|**Vhs**|ADC input (humidity sensor output)
72 72  |**4**|**Vts**|ADC input (temperature sensor output)
73 73  
74 -=== P8 – header of relay 1 ===
68 +=== 2.3.5 P8 – header of relay 1 ===
75 75  
76 76  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
77 77  
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81 81  |**1**|**V+**|Switching voltage (up to 55V, max 2A)
82 82  |**2**|**NO**|Normally open contact
83 83  
84 -=== P9 – header of relay 2 ===
78 +=== 2.3.6 P9 – header of relay 2 ===
85 85  
86 86  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
87 87  
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91 91  |**1**|**V+**|Switching voltage (up to 55V, max 2A)
92 92  |**2**|**NO**|Normally open contact
93 93  
94 -=== P6 – header of relay 3 ===
88 +=== 2.3.7 P6 – header of relay 3 ===
95 95  
96 96  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
97 97  
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101 101  |**1**|**V+**|Switching voltage (up to 55V, max 8A)
102 102  |**2**|**NO**|Normally open contact
103 103  
104 -=== P7 – header of relay 4 ===
98 +=== 2.3.8 P7 – header of relay 4 ===
105 105  
106 106  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
107 107  
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111 111  |**1**|**V+**|Switching voltage (up to 55V, max 8A)
112 112  |**2**|**NO**|Normally open contact
113 113  
114 -=== P14 – header for CAN and RS-485 interfaces ===
108 +=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
115 115  
116 116  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
117 117  
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124 124  |**5**|**CAN_L**|CAN L line for communication with external equipment
125 125  |**6**|**GND_CAN**|Ground
126 126  
127 -=== P21 – CAN termination resistor jumper ===
121 +=== 2.3.10 P21 – CAN termination resistor jumper ===
128 128  
129 129  [[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
130 130  
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134 134  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
135 135  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
136 136  
137 -=== P22 - RS-485 termination resistor jumper ===
131 +=== 2.3.11 P22 - RS-485 termination resistor jumper ===
138 138  
139 139  [[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
140 140  
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144 144  |**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
145 145  |**2-3**|**-**|Terminating resistor 120 Ohm is not connected
146 146  
147 -=== P11 – header for discrete inputs/outputs ===
141 +=== 2.3.12 P11 – header for discrete inputs/outputs ===
148 148  
149 149  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
150 150  
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166 166  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
167 167  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
168 168  
169 -== Indicators ==
163 += 2.4 Indicators =
170 170  
171 -=== DS1 – power indicator ===
165 +=== 2.4.1 DS1 – power indicator ===
172 172  
173 173  |**State**|**Description**
174 174  |**Lights red**|The device is powered
175 175  |**Off**|The device is not powered
176 176  
177 -=== DS2 – operation indicator ===
171 +=== 2.4.2 DS2 – operation indicator ===
178 178  
179 179  |**State**|**Description**
180 180  |**Blinking green**|The BMS firmware is running
181 181  |**Off**|The BMS firmware is not running
182 182  
183 -=== DS3 – communication indicator ===
177 +=== 2.4.3 DS3 – communication indicator ===
184 184  
185 185  |**State**|**Description**
186 186  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
187 187  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
188 188  
189 -=== DS4 – error indicator ===
183 +=== 2.4.4 DS4 – error indicator ===
190 190  
191 191  
192 192  |(**State**|**Description**
193 193  |(**Blinking red**|Errors in communication with BMS Logic
194 194  
195 -=== DS7 – relay 1 indicator ===
189 +=== 2.4.5 DS7 – relay 1 indicator ===
196 196  
197 197  |**State**|**Description**
198 198  |**Lights green**|Relay #1 is closed
199 199  |**Off**|Relay #1 is opened
200 200  
201 -=== DS8 – relay 2 indicator ===
195 +=== 2.4.6 DS8 – relay 2 indicator ===
202 202  
203 203  |**State**|**Description**
204 204  |**Lights green**|Relay #2 is closed
205 205  |**Off**|Relay #2 is opened
206 206  
207 -=== DS5 – relay 3 indicator ===
201 +=== 2.4.7 DS5 – relay 3 indicator ===
208 208  
209 209  |**State**|**Description**
210 210  |**Lights green**|Relay #3 is closed
211 211  |**Off**|Relay #3 is opened
212 212  
213 -=== DS6 – relay 4 indicator ===
207 +=== 2.4.8 DS6 – relay 4 indicator ===
214 214  
215 215  |**State**|**Description**
216 216  |**Lights green**|Relay #4 is closed