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Last modified by Admin on 2025/07/15 17:33
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Summary

Details

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Title
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1 -2. Connection procedure
1 +2. 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 Connection procedure ==
2 +
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.
... ... @@ -5,7 +5,7 @@
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 =
10 +== 2.2 ​​​​Headers description ==
9 9  
10 10  The BMS Main 2.1 headers are shown in figure below.
11 11  
... ... @@ -14,9 +14,9 @@
14 14  (% class="wikigeneratedid" %)
15 15  Following chapters describes the BMS Main 2.1 headers pinout.
16 16  
17 -=== P1 – header for power supply ===
19 +=== 2.2.1 P1 – header for power supply ===
18 18  
19 -[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
21 +[[image:1731516593096-166.png||height="80" width="42"]]
20 20  
21 21  (% style="width:339px" %)
22 22  |(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
... ... @@ -23,9 +23,9 @@
23 23  |(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
24 24  |(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
25 25  
26 -=== P15 – header for BMS Logic ===
28 +=== 2.2.2 P15 – header for BMS Logic ===
27 27  
28 -[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
30 +[[image:1731516577472-301.png||height="77" width="71"]]
29 29  
30 30  (% style="width:524px" %)
31 31  |(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
... ... @@ -34,9 +34,9 @@
34 34  |(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
35 35  |(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
36 36  
37 -=== P12 – header for current sensor ===
39 +=== 2.2.3 P12 – header for current sensor ===
38 38  
39 -[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
41 +[[image:1731516685999-633.png||height="74" width="68"]]
40 40  
41 41  (% style="width:531px" %)
42 42  |(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
... ... @@ -45,9 +45,9 @@
45 45  |(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
46 46  |(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
47 47  
48 -=== P13 – header for humidity sensor ===
50 +=== 2.2.4 P13 – header for humidity sensor ===
49 49  
50 -[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
52 +[[image:1731516942455-641.png||height="70" width="64"]]
51 51  
52 52  (% style="width:531px" %)
53 53  |(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
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56 56  |(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
57 57  |(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
58 58  
59 -=== P8 – header of relay 1 ===
61 +=== 2.2.5 P8 – header of relay 1 ===
60 60  
61 -[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
63 +[[image:1731517023208-641.png||height="80" width="42"]]
62 62  
63 63  By default, relay 1 is used to control the discharging contactor.
64 64  
... ... @@ -67,9 +67,9 @@
67 67  |(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
68 68  |(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
69 69  
70 -=== P9 – header of relay 2 ===
72 +=== 2.2.6 P9 – header of relay 2 ===
71 71  
72 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
74 +[[image:1731517025702-799.png||height="71" width="37"]]
73 73  
74 74  By default, relay 2 is used to output the “Allow charging” signal.
75 75  
... ... @@ -78,9 +78,9 @@
78 78  |(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
79 79  |(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
80 80  
81 -=== P6 – header of relay 3 ===
83 +=== 2.2.7 P6 – header of relay 3 ===
82 82  
83 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
85 +[[image:1731517025702-799.png||height="67" width="35"]]
84 84  
85 85  By default, relay 3 is used to control the charging contactor.
86 86  
... ... @@ -89,9 +89,9 @@
89 89  |(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
90 90  |(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
91 91  
92 -=== P7 – header of relay 4 ===
94 +=== 2.2.8 P7 – header of relay 4 ===
93 93  
94 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
96 +[[image:1731517025702-799.png||height="65" width="34"]]
95 95  
96 96  By default, relay 4 is used to control the heater.
97 97  
... ... @@ -100,9 +100,9 @@
100 100  |(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
101 101  |(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
102 102  
103 -=== P14 – header for CAN and RS-485 interfaces ===
105 +=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
104 104  
105 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
107 +[[image:1731517180930-597.png||height="81" width="113"]]
106 106  
107 107  (% style="width:641px" %)
108 108  |(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
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113 113  |(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
114 114  |(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
115 115  
116 -=== P21 – CAN termination resistor jumper ===
118 +=== 2.2.10 P21 – CAN termination resistor jumper ===
117 117  
118 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
120 +[[image:1731517188900-976.png||height="78" width="149"]]
119 119  
120 120  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
121 121  
... ... @@ -124,9 +124,9 @@
124 124  |**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
125 125  |**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
126 126  
127 -=== P22 - RS-485 termination resistor jumper ===
129 +=== 2.2.11 P22 - RS-485 termination resistor jumper ===
128 128  
129 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
131 +[[image:1731517195672-298.png||height="81" width="155"]]
130 130  
131 131  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
132 132  
... ... @@ -137,7 +137,7 @@
137 137  
138 138  === P11 – header for discrete inputs/outputs ===
139 139  
140 -[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
142 +[[image:1731517206246-979.png||height="81" width="258"]]
141 141  
142 142  (% style="width:584px" %)
143 143  |(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
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197 197  === DS8 – relay 2 indicator ===
198 198  
199 199  
200 -|(% style="width:180px" %)**State**|(% style="width:1342px" %)**Description**
201 -|(% style="width:180px" %)**Lights green**|(% style="width:1342px" %)Relay #2 is closed
202 -|(% style="width:180px" %)**Off**|(% style="width:1342px" %)Relay #2 is opened
202 +(% style="width:542px" %)
203 +|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
204 +|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
205 +|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
203 203  
204 204  === DS5 – relay 3 indicator ===
205 205  
206 -|**State**|**Description**
207 -|**Lights green**|Relay #3 is closed
208 -|**Off**|Relay #3 is opened
209 +(% style="width:542px" %)
210 +|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
211 +|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
212 +|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
209 209  
210 210  === DS6 – relay 4 indicator ===
211 211  
212 -|**State**|**Description**
213 -|**Lights green**|Relay #4 is closed
214 -|**Off**|Relay #4 is opened
216 +(% style="width:542px" %)
217 +|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
218 +|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
219 +|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
215 215  
216 216