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From version 49.2
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on 2024/12/11 11:21
Change comment: Update document after refactoring.
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Title
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1 -2. Installation and connection
1 +2. Connection
Parent
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1 -Battery management systems.BMS Main 2\.1.WebHome
1 +Additional modules.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 += ​​​​Headers =
3 3  
4 -== Installation procedure ==
5 -
6 -Overall and mounting dimensions of the BMS Main 2.1 are shown below.
7 -
8 -[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
9 -
10 -|**Parameter**|**Value**
11 -|Overall dimensions (length × width × height), mm|120 × 120 × 32
12 -|Mounting dimensions (length × width), mm|114 × 114
13 -|Mounting holes|M3
14 -
15 -== Connection procedure ==
16 -
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 -
19 -1. Connect the charging and discharging contactors to the P6-P9 headers.
20 -1. Connect a current sensor to the P12 header according to its documentation. The positive current direction (indicated by an arrow on the sensor) corresponds to the battery charging. It is recommended to use a shielded cable to connect the current sensor, the shield should be grounded on the side of the current sensor. The cable should be positioned as far as possible from the high current circuits. If the current sensor has a reference voltage line, connect it to pin 4 of the P12 header.
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 -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 -
24 -== ​​​​Headers description ==
25 -
26 26  The BMS Main 2.1 headers are shown in figure below.
27 27  
28 -[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
5 +[[The BMS Main 2.1 headers>>image:1731516393377-928.jpeg||height="430" width="428"]]
29 29  
30 -(% class="box warningmessage" %)
31 -(((
32 -**Attention!**
33 -All headers are shown from the device side!
34 -)))
7 +== P1 – header for power supply ==
35 35  
36 -=== P1 – header for power supply ===
9 +[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center" height="93" width="49"]]
37 37  
38 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
39 -
40 40  |**Pin**|**Name**|**Description**
41 41  |**1**|**GND**|Ground
42 42  |**2**|**V+**|Supply voltage 9-30V
43 43  
44 -=== P15 – header for BMS Logic ===
15 +== P15 – header for BMS Logic ==
45 45  
46 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
17 +[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center" height="90" width="83"]]
47 47  
48 48  |**Pin**|**Name**|**Description**
49 49  |**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
... ... @@ -51,9 +51,9 @@
51 51  |**3**|**+5V**|Supply voltage for BMS Logic
52 52  |**4**|**GND**|Ground
53 53  
54 -=== P12 – header for current sensor ===
25 +== P12 – header for current sensor ==
55 55  
56 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
27 +[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center" height="98" width="90"]]
57 57  
58 58  |**Pin**|**Name**|**Description**
59 59  |**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
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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 ===
35 +== P13 – header for humidity sensor ==
65 65  
66 -[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
37 +[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
67 67  
68 68  |**Pin**|**Name**|**Description**
69 69  |**1**|**+5V**|Supply voltage 5 V, max 50 mA
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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 ===
45 +P8 – header of relay 1
75 75  
76 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
47 +[[image:1731517023208-641.png]]
77 77  
78 78  By default, relay 1 is used to control the discharging contactor.
79 79  
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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 ===
55 +P9 – header of relay 2
85 85  
86 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
57 +[[image:1731517025702-799.png]]
87 87  
88 88  By default, relay 2 is used to output the “Allow charging” signal.
89 89  
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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 ===
65 +P6 – header of relay 3
95 95  
96 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
67 +[[image:1731517025702-799.png]]
97 97  
98 98  By default, relay 3 is used to control the charging contactor.
99 99  
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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 ===
75 +P7 – header of relay 4
105 105  
106 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
77 +[[image:1731517025702-799.png]]
107 107  
108 108  By default, relay 4 is used to control the heater.
109 109  
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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 ===
85 +P14 – header for CAN and RS-485 interfaces
115 115  
116 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
87 +[[image:1731517180930-597.png]]
117 117  
118 -(% style="width:641px" %)
119 119  |**Pin**|**Name**|**Description**
120 120  |**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
121 121  |**2**|**CAN_H**|CAN H line for communication with external equipment
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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 ===
97 +P21 – CAN termination resistor jumper
128 128  
129 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
99 +[[image:1731517188900-976.png]]
130 130  
131 131  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
132 132  
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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 ===
107 +P22 - RS-485 termination resistor jumper
138 138  
139 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
109 +[[image:1731517195672-298.png]]
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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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 ===
117 +P11 – header for discrete inputs/outputs
148 148  
149 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
150 150  
151 151  |**Pin**|**Name**|**Description**
152 152  |**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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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 ==
138 +1.
139 +11.
140 +111. DS1 – power indicator
170 170  
171 -=== DS1 – power indicator ===
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 ===
146 +1.
147 +11.
148 +111. 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 ===
154 +1.
155 +11.
156 +111. 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 ===
162 +1.
163 +11.
164 +111. DS4 – error indicator
190 190  
166 +|**State**|**Description**
167 +|**Blinking red**|Errors in communication with BMS Logic
191 191  
192 -|(**State**|**Description**
193 -|(**Blinking red**|Errors in communication with BMS Logic
169 +1.
170 +11.
171 +111. DS7 – relay 1 indicator
194 194  
195 -=== DS7 – relay 1 indicator ===
196 -
197 -|**State**|**Description**
173 +|S**tate**|**Description**
198 198  |**Lights green**|Relay #1 is closed
199 199  |**Off**|Relay #1 is opened
200 200  
201 -=== DS8 – relay 2 indicator ===
177 +1.
178 +11.
179 +111. 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 ===
185 +1.
186 +11.
187 +111. 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 ===
193 +1.
194 +11.
195 +111. DS6 – relay 4 indicator
214 214  
215 215  |**State**|**Description**
216 216  |**Lights green**|Relay #4 is closed
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