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Last modified by Admin on 2025/07/15 17:33
From version 25.4
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To version 25.3
edited by Admin
on 2024/11/20 11:04
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Summary

Details

Page properties
Title
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1 -2. Connection
1 +2. Connection procedure
Content
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1 -== 2.1 Connection procedure ==
2 -
3 3  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.
4 4  
5 5  1. Connect the charging and discharging contactors to the P6-P9 headers.
... ... @@ -7,7 +7,7 @@
7 7  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.
8 8  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.
9 9  
10 -== 2.2 ​​​​Headers description ==
8 += ​​​​Headers description =
11 11  
12 12  The BMS Main 2.1 headers are shown in figure below.
13 13  
... ... @@ -16,7 +16,7 @@
16 16  (% class="wikigeneratedid" %)
17 17  Following chapters describes the BMS Main 2.1 headers pinout.
18 18  
19 -=== 2.2.1 P1 – header for power supply ===
17 +=== P1 – header for power supply ===
20 20  
21 21  [[image:1731516593096-166.png||height="80" width="42"]]
22 22  
... ... @@ -25,7 +25,7 @@
25 25  |(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
26 26  |(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
27 27  
28 -=== 2.2.2 P15 – header for BMS Logic ===
26 +=== P15 – header for BMS Logic ===
29 29  
30 30  [[image:1731516577472-301.png||height="77" width="71"]]
31 31  
... ... @@ -36,7 +36,7 @@
36 36  |(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
37 37  |(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
38 38  
39 -=== 2.2.3 P12 – header for current sensor ===
37 +=== P12 – header for current sensor ===
40 40  
41 41  [[image:1731516685999-633.png||height="74" width="68"]]
42 42  
... ... @@ -47,7 +47,7 @@
47 47  |(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
48 48  |(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
49 49  
50 -=== 2.2.4 P13 – header for humidity sensor ===
48 +=== P13 – header for humidity sensor ===
51 51  
52 52  [[image:1731516942455-641.png||height="70" width="64"]]
53 53  
... ... @@ -58,7 +58,7 @@
58 58  |(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
59 59  |(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
60 60  
61 -=== 2.2.5 P8 – header of relay 1 ===
59 +=== P8 – header of relay 1 ===
62 62  
63 63  [[image:1731517023208-641.png||height="80" width="42"]]
64 64  
... ... @@ -69,7 +69,7 @@
69 69  |(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
70 70  |(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
71 71  
72 -=== 2.2.6 P9 – header of relay 2 ===
70 +=== P9 – header of relay 2 ===
73 73  
74 74  [[image:1731517025702-799.png||height="71" width="37"]]
75 75  
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80 80  |(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
81 81  |(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
82 82  
83 -=== 2.2.7 P6 – header of relay 3 ===
81 +=== P6 – header of relay 3 ===
84 84  
85 85  [[image:1731517025702-799.png||height="67" width="35"]]
86 86  
... ... @@ -91,7 +91,7 @@
91 91  |(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
92 92  |(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
93 93  
94 -=== 2.2.8 P7 – header of relay 4 ===
92 +=== P7 – header of relay 4 ===
95 95  
96 96  [[image:1731517025702-799.png||height="65" width="34"]]
97 97  
... ... @@ -102,7 +102,7 @@
102 102  |(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
103 103  |(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
104 104  
105 -=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
103 +=== P14 – header for CAN and RS-485 interfaces ===
106 106  
107 107  [[image:1731517180930-597.png||height="81" width="113"]]
108 108  
... ... @@ -115,7 +115,7 @@
115 115  |(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
116 116  |(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
117 117  
118 -=== 2.2.10 P21 – CAN termination resistor jumper ===
116 +=== P21 – CAN termination resistor jumper ===
119 119  
120 120  [[image:1731517188900-976.png||height="78" width="149"]]
121 121  
... ... @@ -126,7 +126,7 @@
126 126  |**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
127 127  |**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
128 128  
129 -=== 2.2.11 P22 - RS-485 termination resistor jumper ===
127 +=== P22 - RS-485 termination resistor jumper ===
130 130  
131 131  [[image:1731517195672-298.png||height="81" width="155"]]
132 132