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Title
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1 -2. Connection procedure
1 +2. Installation and connection
Parent
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1 -Controllers.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 +|Overall dimensions (length × width × height), mm|120 × 120 × 32
9 +|Mounting dimensions (length × width), mm|114 × 114
10 +|Mounting holes|M3
11 +
12 +== 2.2 Connection procedure ==
13 +
1 1  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.
2 2  
3 3  1. Connect the charging and discharging contactors to the P6-P9 headers.
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5 5  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.
6 6  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.
7 7  
8 -= ​​​​Headers description =
21 +== 2.3 ​​​​Headers description ==
9 9  
10 10  The BMS Main 2.1 headers are shown in figure below.
11 11  
12 -[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
25 +[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
13 13  
14 14  (% class="wikigeneratedid" %)
15 -Folo
28 +Following chapters describes the BMS Main 2.1 headers pinout.
16 16  
17 -=== P1 – header for power supply ===
30 +=== 2.3.1 P1 – header for power supply ===
18 18  
19 -[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
32 +[[image:1732198827034-560.png||height="78" width="41"]]
20 20  
21 21  |**Pin**|**Name**|**Description**
22 22  |**1**|**GND**|Ground
23 23  |**2**|**V+**|Supply voltage 9-30V
24 24  
25 -=== P15 – header for BMS Logic ===
38 +=== 2.3.2 P15 – header for BMS Logic ===
26 26  
27 -[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
40 +[[image:1732198890482-787.png||height="77" width="71"]]
28 28  
29 29  |**Pin**|**Name**|**Description**
30 30  |**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
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32 32  |**3**|**+5V**|Supply voltage for BMS Logic
33 33  |**4**|**GND**|Ground
34 34  
35 -=== P12 – header for current sensor ===
48 +=== 2.3.3 P12 – header for current sensor ===
36 36  
37 -[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
50 +[[image:1732198890482-787.png||height="77" width="71"]]
38 38  
39 39  |**Pin**|**Name**|**Description**
40 40  |**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
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42 42  |**3**|**Vcs**|ADC input (current sensor output)
43 43  |**4**|**Vref**|ADC input (current sensor reference signal)
44 44  
45 -=== P13 – header for humidity sensor ===
58 +=== 2.3.4 P13 – header for humidity sensor ===
46 46  
47 -[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
60 +[[image:1732198896526-660.png||height="70" width="64"]]
48 48  
49 49  |**Pin**|**Name**|**Description**
50 50  |**1**|**+5V**|Supply voltage 5 V, max 50 mA
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52 52  |**3**|**Vhs**|ADC input (humidity sensor output)
53 53  |**4**|**Vts**|ADC input (temperature sensor output)
54 54  
55 -=== P8 – header of relay 1 ===
68 +=== 2.3.5 P8 – header of relay 1 ===
56 56  
57 -[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
70 +[[image:1732198827034-560.png||height="78" width="41"]]
58 58  
59 59  By default, relay 1 is used to control the discharging contactor.
60 60  
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62 62  |**1**|**V+**|Switching voltage (up to 55V, max 2A)
63 63  |**2**|**NO**|Normally open contact
64 64  
65 -=== P9 – header of relay 2 ===
78 +=== 2.3.6 P9 – header of relay 2 ===
66 66  
67 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
80 +[[image:1732198827034-560.png||height="78" width="41"]]
68 68  
69 69  By default, relay 2 is used to output the “Allow charging” signal.
70 70  
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72 72  |**1**|**V+**|Switching voltage (up to 55V, max 2A)
73 73  |**2**|**NO**|Normally open contact
74 74  
75 -=== P6 – header of relay 3 ===
88 +=== 2.3.7 P6 – header of relay 3 ===
76 76  
77 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
90 +[[image:1732198827034-560.png||height="78" width="41"]]
78 78  
79 79  By default, relay 3 is used to control the charging contactor.
80 80  
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82 82  |**1**|**V+**|Switching voltage (up to 55V, max 8A)
83 83  |**2**|**NO**|Normally open contact
84 84  
85 -=== P7 – header of relay 4 ===
98 +=== 2.3.8 P7 – header of relay 4 ===
86 86  
87 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
100 +[[image:1732198827034-560.png||height="78" width="41"]]
88 88  
89 89  By default, relay 4 is used to control the heater.
90 90  
91 -**Pin**|**Name**|**Description**
92 -**1**|**V+**|Switching voltage (up to 55V, max 8A)
93 -**2**|**NO**|Normally open contact
104 +|**Pin**|**Name**|**Description**
105 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
106 +|**2**|**NO**|Normally open contact
94 94  
95 -=== P14 – header for CAN and RS-485 interfaces ===
108 +=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
96 96  
97 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
110 +[[image:1731517180930-597.png||height="81" width="113"]]
98 98  
112 +(% style="width:641px" %)
99 99  |**Pin**|**Name**|**Description**
100 100  |**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
101 101  |**2**|**CAN_H**|CAN H line for communication with external equipment
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104 104  |**5**|**CAN_L**|CAN L line for communication with external equipment
105 105  |**6**|**GND_CAN**|Ground
106 106  
107 -=== P21 – CAN termination resistor jumper ===
121 +=== 2.3.10 P21 – CAN termination resistor jumper ===
108 108  
109 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
123 +[[image:1731517188900-976.png||height="78" width="149"]]
110 110  
111 111  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
112 112  
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114 114  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
115 115  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
116 116  
117 -=== P22 - RS-485 termination resistor jumper ===
131 +=== 2.3.11 P22 - RS-485 termination resistor jumper ===
118 118  
119 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
133 +[[image:1731517195672-298.png||height="81" width="155"]]
120 120  
121 121  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
122 122  
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124 124  |**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
125 125  |**2-3**|**-**|Terminating resistor 120 Ohm is not connected
126 126  
127 -=== P11 – header for discrete inputs/outputs ===
141 +=== 2.3.12 P11 – header for discrete inputs/outputs ===
128 128  
129 -[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
143 +[[image:1732198937514-731.png||height="85" width="272"]]
130 130  
131 131  |**Pin**|**Name**|**Description**
132 132  |**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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146 146  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
147 147  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
148 148  
149 -= Indicators =
163 += 2.4 Indicators =
150 150  
151 -=== DS1 – power indicator ===
165 +=== 2.4.1 DS1 – power indicator ===
152 152  
153 153  |**State**|**Description**
154 154  |**Lights red**|The device is powered
155 155  |**Off**|The device is not powered
156 156  
157 -=== DS2 – operation indicator ===
171 +=== 2.4.2 DS2 – operation indicator ===
158 158  
159 159  |**State**|**Description**
160 160  |**Blinking green**|The BMS firmware is running
161 161  |**Off**|The BMS firmware is not running
162 162  
163 -=== DS3 – communication indicator ===
177 +=== 2.4.3 DS3 – communication indicator ===
164 164  
165 165  |**State**|**Description**
166 166  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
167 167  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
168 168  
169 -=== DS4 – error indicator ===
183 +=== 2.4.4 DS4 – error indicator ===
170 170  
171 -|**State**|**Description**
172 -|**Blinking red**|Errors in communication with BMS Logic
173 173  
174 -=== DS7 – relay 1 indicator ===
186 +|(**State**|**Description**
187 +|(**Blinking red**|Errors in communication with BMS Logic
175 175  
189 +=== 2.4.5 DS7 – relay 1 indicator ===
190 +
176 176  |**State**|**Description**
177 177  |**Lights green**|Relay #1 is closed
178 178  |**Off**|Relay #1 is opened
179 179  
180 -=== DS8 – relay 2 indicator ===
195 +=== 2.4.6 DS8 – relay 2 indicator ===
181 181  
182 -
183 183  |**State**|**Description**
184 184  |**Lights green**|Relay #2 is closed
185 185  |**Off**|Relay #2 is opened
186 186  
187 -=== DS5 – relay 3 indicator ===
201 +=== 2.4.7 DS5 – relay 3 indicator ===
188 188  
189 189  |**State**|**Description**
190 190  |**Lights green**|Relay #3 is closed
191 191  |**Off**|Relay #3 is opened
192 192  
193 -=== DS6 – relay 4 indicator ===
207 +=== 2.4.8 DS6 – relay 4 indicator ===
194 194  
195 195  |**State**|**Description**
196 196  |**Lights green**|Relay #4 is closed
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