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Title
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1 -2. Installation and connection
1 +2. Connection procedure
Parent
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1 -drafts.BMS Main 2\.1.WebHome
1 +Controllers.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 -
14 14  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.
15 15  
16 16  1. Connect the charging and discharging contactors to the P6-P9 headers.
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18 18  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.
19 19  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.
20 20  
21 -== 2.3 ​​​​Headers description ==
8 += ​​​​Headers description =
22 22  
23 23  The BMS Main 2.1 headers are shown in figure below.
24 24  
25 -[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
12 +[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
26 26  
27 27  (% class="wikigeneratedid" %)
28 28  Following chapters describes the BMS Main 2.1 headers pinout.
29 29  
30 -=== 2.3.1 P1 – header for power supply ===
17 +=== P1 – header for power supply ===
31 31  
32 -[[image:1732198827034-560.png||height="78" width="41"]]
19 +[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
33 33  
34 -|**Pin**|**Name**|**Description**
35 -|**1**|**GND**|Ground
36 -|**2**|**V+**|Supply voltage 9-30V
21 +(% style="width:339px" %)
22 +|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
23 +|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
24 +|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
37 37  
38 -=== 2.3.2 P15 – header for BMS Logic ===
26 +=== P15 – header for BMS Logic ===
39 39  
40 -[[image:1732198890482-787.png||height="77" width="71"]]
28 +[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
41 41  
42 -|**Pin**|**Name**|**Description**
43 -|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
44 -|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
45 -|**3**|**+5V**|Supply voltage for BMS Logic
46 -|**4**|**GND**|Ground
30 +(% style="width:524px" %)
31 +|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
32 +|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
33 +|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
34 +|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
35 +|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
47 47  
48 -=== 2.3.3 P12 – header for current sensor ===
37 +=== P12 – header for current sensor ===
49 49  
50 -[[image:1732198890482-787.png||height="77" width="71"]]
39 +[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
51 51  
52 -|**Pin**|**Name**|**Description**
53 -|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
54 -|**2**|**GND**|Ground
55 -|**3**|**Vcs**|ADC input (current sensor output)
56 -|**4**|**Vref**|ADC input (current sensor reference signal)
41 +(% style="width:531px" %)
42 +|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
43 +|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
44 +|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
45 +|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
46 +|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
57 57  
58 -=== 2.3.4 P13 – header for humidity sensor ===
48 +=== P13 – header for humidity sensor ===
59 59  
60 -[[image:1732198896526-660.png||height="70" width="64"]]
50 +[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
61 61  
62 -|**Pin**|**Name**|**Description**
63 -|**1**|**+5V**|Supply voltage 5 V, max 50 mA
64 -|**2**|**GND**|Ground
65 -|**3**|**Vhs**|ADC input (humidity sensor output)
66 -|**4**|**Vts**|ADC input (temperature sensor output)
52 +(% style="width:531px" %)
53 +|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
54 +|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA
55 +|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground
56 +|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
57 +|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
67 67  
68 -=== 2.3.5 P8 – header of relay 1 ===
59 +=== P8 – header of relay 1 ===
69 69  
70 -[[image:1732198827034-560.png||height="78" width="41"]]
61 +[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
71 71  
72 72  By default, relay 1 is used to control the discharging contactor.
73 73  
74 -|**Pin**|**Name**|**Description**
75 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
76 -|**2**|**NO**|Normally open contact
65 +(% style="width:527px" %)
66 +|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description**
67 +|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
68 +|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
77 77  
78 -=== 2.3.6 P9 – header of relay 2 ===
70 +=== P9 – header of relay 2 ===
79 79  
80 -[[image:1732198827034-560.png||height="78" width="41"]]
72 +[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
81 81  
82 82  By default, relay 2 is used to output the “Allow charging” signal.
83 83  
84 -|**Pin**|**Name**|**Description**
85 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
86 -|**2**|**NO**|Normally open contact
76 +(% style="width:524px" %)
77 +|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description**
78 +|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
79 +|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
87 87  
88 -=== 2.3.7 P6 – header of relay 3 ===
81 +=== P6 – header of relay 3 ===
89 89  
90 -[[image:1732198827034-560.png||height="78" width="41"]]
83 +[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
91 91  
92 92  By default, relay 3 is used to control the charging contactor.
93 93  
94 -|**Pin**|**Name**|**Description**
95 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
96 -|**2**|**NO**|Normally open contact
87 +(% style="width:524px" %)
88 +|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description**
89 +|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
90 +|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
97 97  
98 -=== 2.3.8 P7 – header of relay 4 ===
92 +=== P7 – header of relay 4 ===
99 99  
100 -[[image:1732198827034-560.png||height="78" width="41"]]
94 +[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
101 101  
102 102  By default, relay 4 is used to control the heater.
103 103  
104 -|**Pin**|**Name**|**Description**
105 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
106 -|**2**|**NO**|Normally open contact
98 +(% style="width:530px" %)
99 +|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description**
100 +|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
101 +|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
107 107  
108 -=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
103 +=== P14 – header for CAN and RS-485 interfaces ===
109 109  
110 -[[image:1731517180930-597.png||height="81" width="113"]]
105 +[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
111 111  
112 112  (% style="width:641px" %)
113 -|**Pin**|**Name**|**Description**
114 -|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
115 -|**2**|**CAN_H**|CAN H line for communication with external equipment
116 -|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
117 -|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
118 -|**5**|**CAN_L**|CAN L line for communication with external equipment
119 -|**6**|**GND_CAN**|Ground
108 +|(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
109 +|(% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment
110 +|(% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment
111 +|(% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA
112 +|(% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment
113 +|(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
114 +|(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
120 120  
121 -=== 2.3.10 P21 – CAN termination resistor jumper ===
116 +=== P21 – CAN termination resistor jumper ===
122 122  
123 -[[image:1731517188900-976.png||height="78" width="149"]]
118 +[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
124 124  
125 125  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
126 126  
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128 128  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
129 129  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
130 130  
131 -=== 2.3.11 P22 - RS-485 termination resistor jumper ===
126 +=== P22 - RS-485 termination resistor jumper ===
132 132  
133 -[[image:1731517195672-298.png||height="81" width="155"]]
128 +[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
134 134  
135 135  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
136 136  
137 -|**Pin**|**Name**|**Description**
138 -|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
139 -|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
132 +|**Pin**|(% style="width:108px" %)**Name**|(% style="width:1296px" %)**Description**
133 +|**1-2**|(% style="width:108px" %)**120 Ohm**|(% style="width:1296px" %)Terminating resistor 120 Ohm is connected
134 +|**2-3**|(% style="width:108px" %)**-**|(% style="width:1296px" %)Terminating resistor 120 Ohm is not connected
140 140  
141 -=== 2.3.12 P11 – header for discrete inputs/outputs ===
136 +=== P11 – header for discrete inputs/outputs ===
142 142  
143 -[[image:1732198937514-731.png||height="85" width="272"]]
138 +[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
144 144  
145 145  |**Pin**|**Name**|**Description**
146 146  |**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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160 160  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
161 161  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
162 162  
163 -= 2.4 Indicators =
158 += Indicators =
164 164  
165 -=== 2.4.1 DS1 – power indicator ===
160 +=== DS1 – power indicator ===
166 166  
167 167  |**State**|**Description**
168 168  |**Lights red**|The device is powered
169 169  |**Off**|The device is not powered
170 170  
171 -=== 2.4.2 DS2 – operation indicator ===
166 +=== DS2 – operation indicator ===
172 172  
173 173  |**State**|**Description**
174 174  |**Blinking green**|The BMS firmware is running
175 175  |**Off**|The BMS firmware is not running
176 176  
177 -=== 2.4.3 DS3 – communication indicator ===
172 +=== DS3 – communication indicator ===
178 178  
179 179  |**State**|**Description**
180 180  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
181 181  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
182 182  
183 -=== 2.4.4 DS4 – error indicator ===
178 +=== DS4 – error indicator ===
184 184  
180 +|**State**|**Description**
181 +|**Blinking red**|Errors in communication with BMS Logic
185 185  
186 -|(**State**|**Description**
187 -|(**Blinking red**|Errors in communication with BMS Logic
183 +=== DS7 – relay 1 indicator ===
188 188  
189 -=== 2.4.5 DS7 – relay 1 indicator ===
190 -
191 191  |**State**|**Description**
192 192  |**Lights green**|Relay #1 is closed
193 193  |**Off**|Relay #1 is opened
194 194  
195 -=== 2.4.6 DS8 – relay 2 indicator ===
189 +=== DS8 – relay 2 indicator ===
196 196  
191 +
197 197  |**State**|**Description**
198 198  |**Lights green**|Relay #2 is closed
199 199  |**Off**|Relay #2 is opened
200 200  
201 -=== 2.4.7 DS5 – relay 3 indicator ===
196 +=== DS5 – relay 3 indicator ===
202 202  
203 203  |**State**|**Description**
204 204  |**Lights green**|Relay #3 is closed
205 205  |**Off**|Relay #3 is opened
206 206  
207 -=== 2.4.8 DS6 – relay 4 indicator ===
202 +=== DS6 – relay 4 indicator ===
208 208  
209 209  |**State**|**Description**
210 210  |**Lights green**|Relay #4 is closed
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