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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 18.1
edited by Admin
on 2024/11/13 17:18
Change comment: There is no comment for this version

Summary

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Title
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1 -2. Installation and connection
1 +2. Connection
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1 -drafts.BMS Main 2\.1.WebHome
1 +Additional modules.BMS Main 2\.1.WebHome
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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:1731517946345-632.png||height="417" width="451"]]
29 29  
30 -(% class="box warningmessage" %)
31 -(((
32 -**Attention!**
33 -All headers are shown from the device side!
34 -)))
35 -
36 36  === P1 – header for power supply ===
37 37  
38 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
9 +[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
39 39  
40 40  |**Pin**|**Name**|**Description**
41 41  |**1**|**GND**|Ground
... ... @@ -43,7 +43,7 @@
43 43  
44 44  === 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"]]
47 47  
48 48  |**Pin**|**Name**|**Description**
49 49  |**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
... ... @@ -53,7 +53,7 @@
53 53  
54 54  === 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"]]
57 57  
58 58  |**Pin**|**Name**|**Description**
59 59  |**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
... ... @@ -63,7 +63,7 @@
63 63  
64 64  === 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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73 73  
74 74  === 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||data-xwiki-image-style-alignment="center"]]
77 77  
78 78  By default, relay 1 is used to control the discharging contactor.
79 79  
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83 83  
84 84  === 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||data-xwiki-image-style-alignment="center"]]
87 87  
88 88  By default, relay 2 is used to output the “Allow charging” signal.
89 89  
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93 93  
94 94  === 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||data-xwiki-image-style-alignment="center"]]
97 97  
98 98  By default, relay 3 is used to control the charging contactor.
99 99  
100 -|**Pin**|**Name**|**Description**
101 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
102 -|**2**|**NO**|Normally open contact
71 +|(% style="width:100px" %)**Pin**|(% style="width:297px" %)**Name**|(% style="width:1125px" %)**Description**
72 +|(% style="width:100px" %)**1**|(% style="width:297px" %)**V+**|(% style="width:1125px" %)Switching voltage (up to 55V, max 8A)
73 +|(% style="width:100px" %)**2**|(% style="width:297px" %)**NO**|(% style="width:1125px" %)Normally open contact
103 103  
104 104  === 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||data-xwiki-image-style-alignment="center"]]
107 107  
108 108  By default, relay 4 is used to control the heater.
109 109  
110 -|**Pin**|**Name**|**Description**
111 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
112 -|**2**|**NO**|Normally open contact
81 +|(% style="width:100px" %)**Pin**|(% style="width:298px" %)**Name**|(% style="width:1124px" %)**Description**
82 +|(% style="width:100px" %)**1**|(% style="width:298px" %)**V+**|(% style="width:1124px" %)Switching voltage (up to 55V, max 8A)
83 +|(% style="width:100px" %)**2**|(% style="width:298px" %)**NO**|(% style="width:1124px" %)Normally open contact
113 113  
114 114  === 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||data-xwiki-image-style-alignment="center"]]
117 117  
118 -(% style="width:641px" %)
119 -|**Pin**|**Name**|**Description**
120 -|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
121 -|**2**|**CAN_H**|CAN H line for communication with external equipment
122 -|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
123 -|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
124 -|**5**|**CAN_L**|CAN L line for communication with external equipment
125 -|**6**|**GND_CAN**|Ground
89 +|(% style="width:100px" %)**Pin**|**Name**|**Description**
90 +|(% style="width:100px" %)**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
91 +|(% style="width:100px" %)**2**|**CAN_H**|CAN H line for communication with external equipment
92 +|(% style="width:100px" %)**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
93 +|(% style="width:100px" %)**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
94 +|(% style="width:100px" %)**5**|**CAN_L**|CAN L line for communication with external equipment
95 +|(% style="width:100px" %)**6**|**GND_CAN**|Ground
126 126  
127 127  === 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||data-xwiki-image-style-alignment="center"]]
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  
133 -|**Pin**|**Name**|**Description**
134 -|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
135 -|**2-3**|**-**|Termination resistor 120 Ohm is not connected
103 +|(% style="width:100px" %)**Pin**|(% style="width:299px" %)**Name**|(% style="width:1123px" %)**Description**
104 +|(% style="width:100px" %)**1-2**|(% style="width:299px" %)**120 Ohm**|(% style="width:1123px" %)Termination resistor 120 Ohm is connected
105 +|(% style="width:100px" %)**2-3**|(% style="width:299px" %)**-**|(% style="width:1123px" %)Termination resistor 120 Ohm is not connected
136 136  
137 137  === 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||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  
143 -|**Pin**|**Name**|**Description**
144 -|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
145 -|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
113 +|(% style="width:100px" %)**Pin**|(% style="width:301px" %)**Name**|(% style="width:1121px" %)**Description**
114 +|(% style="width:100px" %)**1-2**|(% style="width:301px" %)**120 Ohm**|(% style="width:1121px" %)Terminating resistor 120 Ohm is connected
115 +|(% style="width:100px" %)**2-3**|(% style="width:301px" %)**-**|(% style="width:1121px" %)Terminating resistor 120 Ohm is not connected
146 146  
147 147  === P11 – header for discrete inputs/outputs ===
148 148  
149 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
119 +[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
150 150  
151 -|**Pin**|**Name**|**Description**
152 -|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
153 -|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
154 -|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
155 -|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
156 -|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
157 -|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
158 -|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
159 -|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
160 -|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
161 -|**4**|**GND_OUT_4**|Discrete output #4 (ground)
162 -|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
163 -|**3**|**GND_OUT_3**|Discrete output #3 (ground)
164 -|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
165 -|**2**|**GND_OUT_2**|Discrete output #2 (ground)
166 -|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
167 -|**1**|**GND_OUT_1**|Discrete output #1 (ground)
121 +|(% style="width:100px" %)**Pin**|(% style="width:310px" %)**Name**|(% style="width:1112px" %)**Description**
122 +|(% style="width:100px" %)**16**|(% style="width:310px" %)**IN_1**|(% style="width:1112px" %)Discrete input #1 “dry contact” (+5V)
123 +|(% style="width:100px" %)**8**|(% style="width:310px" %)**GND_1**|(% style="width:1112px" %)Discrete input #1 “dry contact” (ground)
124 +|(% style="width:100px" %)**15**|(% style="width:310px" %)**IN_2**|(% style="width:1112px" %)Discrete input #2 “dry contact” (+5V)
125 +|(% style="width:100px" %)**7**|(% style="width:310px" %)**GND_2**|(% style="width:1112px" %)Discrete input #2 “dry contact” (ground)
126 +|(% style="width:100px" %)**14**|(% style="width:310px" %)**IN_3**|(% style="width:1112px" %)Discrete input #3 “dry contact” (+5V)
127 +|(% style="width:100px" %)**6**|(% style="width:310px" %)**GND_3**|(% style="width:1112px" %)Discrete input #3 “dry contact” (ground)
128 +|(% style="width:100px" %)**13**|(% style="width:310px" %)**IN_4**|(% style="width:1112px" %)Discrete input #4 “dry contact” (+5V)
129 +|(% style="width:100px" %)**5**|(% style="width:310px" %)**GND_4**|(% style="width:1112px" %)Discrete input #4 “dry contact” (ground)
130 +|(% style="width:100px" %)**12**|(% style="width:310px" %)**OUT_4**|(% style="width:1112px" %)Discrete output #4 (+5V, 20mA)
131 +|(% style="width:100px" %)**4**|(% style="width:310px" %)**GND_OUT_4**|(% style="width:1112px" %)Discrete output #4 (ground)
132 +|(% style="width:100px" %)**11**|(% style="width:310px" %)**OUT_3**|(% style="width:1112px" %)Discrete output #3 (+5V, 20mA)
133 +|(% style="width:100px" %)**3**|(% style="width:310px" %)**GND_OUT_3**|(% style="width:1112px" %)Discrete output #3 (ground)
134 +|(% style="width:100px" %)**10**|(% style="width:310px" %)**OUT_2**|(% style="width:1112px" %)Discrete output #2 (+5V, 20mA)
135 +|(% style="width:100px" %)**2**|(% style="width:310px" %)**GND_OUT_2**|(% style="width:1112px" %)Discrete output #2 (ground)
136 +|(% style="width:100px" %)**9**|(% style="width:310px" %)**OUT_1**|(% style="width:1112px" %)Discrete output #1 (+5V, 20mA)
137 +|(% style="width:100px" %)**1**|(% style="width:310px" %)**GND_OUT_1**|(% style="width:1112px" %)Discrete output #1 (ground)
168 168  
169 -== Indicators ==
139 += Indicators =
170 170  
171 171  === DS1 – power indicator ===
172 172  
173 -|**State**|**Description**
174 -|**Lights red**|The device is powered
175 -|**Off**|The device is not powered
143 +|(% style="width:100px" %)**State**|**Description**
144 +|(% style="width:100px" %)**Lights red**|The device is powered
145 +|(% style="width:100px" %)**Off**|The device is not powered
176 176  
177 177  === DS2 – operation indicator ===
178 178  
179 -|**State**|**Description**
180 -|**Blinking green**|The BMS firmware is running
181 -|**Off**|The BMS firmware is not running
149 +|(% style="width:100px" %)**State**|**Description**
150 +|(% style="width:100px" %)**Blinking green**|The BMS firmware is running
151 +|(% style="width:100px" %)**Off**|The BMS firmware is not running
182 182  
183 183  === DS3 – communication indicator ===
184 184  
185 -|**State**|**Description**
186 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
187 -|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
155 +|(% style="width:100px" %)**State**|**Description**
156 +|(% style="width:100px" %)**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
157 +|(% style="width:100px" %)**Blinking yellow (25Hz)**|Communication with BMS Logic is established
188 188  
189 189  === DS4 – error indicator ===
190 190  
161 +|(% style="width:100px" %)**State**|**Description**
162 +|(% style="width:100px" %)**Blinking red**|Errors in communication with BMS Logic
191 191  
192 -|(**State**|**Description**
193 -|(**Blinking red**|Errors in communication with BMS Logic
194 -
195 195  === DS7 – relay 1 indicator ===
196 196  
197 -|**State**|**Description**
198 -|**Lights green**|Relay #1 is closed
199 -|**Off**|Relay #1 is opened
166 +|(% style="width:100px" %)**State**|**Description**
167 +|(% style="width:100px" %)**Lights green**|Relay #1 is closed
168 +|(% style="width:100px" %)**Off**|Relay #1 is opened
200 200  
201 201  === DS8 – relay 2 indicator ===
202 202  
203 -|**State**|**Description**
204 -|**Lights green**|Relay #2 is closed
205 -|**Off**|Relay #2 is opened
172 +(% style="width:287px" %)
173 +|(% style="width:100px" %)**State**|(% style="width:183px" %)**Description**
174 +|(% style="width:100px" %)**Lights green**|(% style="width:183px" %)Relay #2 is closed
175 +|(% style="width:100px" %)**Off**|(% style="width:183px" %)Relay #2 is opened
206 206  
207 207  === DS5 – relay 3 indicator ===
208 208  
209 -|**State**|**Description**
210 -|**Lights green**|Relay #3 is closed
211 -|**Off**|Relay #3 is opened
179 +|(% style="width:100px" %)**State**|**Description**
180 +|(% style="width:100px" %)**Lights green**|Relay #3 is closed
181 +|(% style="width:100px" %)**Off**|Relay #3 is opened
212 212  
213 213  === DS6 – relay 4 indicator ===
214 214  
215 -|**State**|**Description**
216 -|**Lights green**|Relay #4 is closed
217 -|**Off**|Relay #4 is opened
185 +|(% style="width:100px" %)**State**|**Description**
186 +|(% style="width:100px" %)**Lights green**|Relay #4 is closed
187 +|(% style="width:100px" %)**Off**|Relay #4 is opened
218 218  
219 219  
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