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Last modified by Admin on 2025/07/15 17:33
From version 21.1
edited by Admin
on 2024/11/13 17:39
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To version 25.5
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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
... ... @@ -1,3 +1,5 @@
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  
... ... @@ -14,186 +14,205 @@
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 -|**Pin**|**Name**|**Description**
22 -|**1**|**GND**|Ground
23 -|**2**|**V+**|Supply voltage 9-30V
23 +(% style="width:339px" %)
24 +|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
25 +|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
26 +|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
24 24  
25 -=== P15 – header for BMS Logic ===
28 +=== 2.2.2 P15 – header for BMS Logic ===
26 26  
27 -[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
30 +[[image:1731516577472-301.png||height="77" width="71"]]
28 28  
29 -|**Pin**|**Name**|**Description**
30 -|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
31 -|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
32 -|**3**|**+5V**|Supply voltage for BMS Logic
33 -|**4**|**GND**|Ground
32 +(% style="width:524px" %)
33 +|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
34 +|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
35 +|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
36 +|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
37 +|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
34 34  
35 -=== P12 – header for current sensor ===
39 +=== 2.2.3 P12 – header for current sensor ===
36 36  
37 -[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
41 +[[image:1731516685999-633.png||height="74" width="68"]]
38 38  
39 -|**Pin**|**Name**|**Description**
40 -|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
41 -|**2**|**GND**|Ground
42 -|**3**|**Vcs**|ADC input (current sensor output)
43 -|**4**|**Vref**|ADC input (current sensor reference signal)
43 +(% style="width:531px" %)
44 +|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
45 +|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
46 +|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
47 +|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
48 +|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
44 44  
45 -=== P13 – header for humidity sensor ===
50 +=== 2.2.4 P13 – header for humidity sensor ===
46 46  
47 -[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
52 +[[image:1731516942455-641.png||height="70" width="64"]]
48 48  
49 -|**Pin**|**Name**|**Description**
50 -|**1**|**+5V**|Supply voltage 5 V, max 50 mA
51 -|**2**|**GND**|Ground
52 -|**3**|**Vhs**|ADC input (humidity sensor output)
53 -|**4**|**Vts**|ADC input (temperature sensor output)
54 +(% style="width:531px" %)
55 +|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
56 +|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA
57 +|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground
58 +|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
59 +|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
54 54  
55 -=== P8 – header of relay 1 ===
61 +=== 2.2.5 P8 – header of relay 1 ===
56 56  
57 -[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
63 +[[image:1731517023208-641.png||height="80" width="42"]]
58 58  
59 59  By default, relay 1 is used to control the discharging contactor.
60 60  
61 -|**Pin**|**Name**|**Description**
62 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
63 -|**2**|**NO**|Normally open contact
67 +(% style="width:527px" %)
68 +|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description**
69 +|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
70 +|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
64 64  
65 -=== P9 – header of relay 2 ===
72 +=== 2.2.6 P9 – header of relay 2 ===
66 66  
67 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
74 +[[image:1731517025702-799.png||height="71" width="37"]]
68 68  
69 69  By default, relay 2 is used to output the “Allow charging” signal.
70 70  
71 -|**Pin**|**Name**|**Description**
72 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
73 -|**2**|**NO**|Normally open contact
78 +(% style="width:524px" %)
79 +|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description**
80 +|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
81 +|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
74 74  
75 -=== P6 – header of relay 3 ===
83 +=== 2.2.7 P6 – header of relay 3 ===
76 76  
77 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
85 +[[image:1731517025702-799.png||height="67" width="35"]]
78 78  
79 79  By default, relay 3 is used to control the charging contactor.
80 80  
81 -|**Pin**|**Name**|**Description**
82 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
83 -|**2**|**NO**|Normally open contact
89 +(% style="width:524px" %)
90 +|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description**
91 +|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
92 +|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
84 84  
85 -=== P7 – header of relay 4 ===
94 +=== 2.2.8 P7 – header of relay 4 ===
86 86  
87 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
96 +[[image:1731517025702-799.png||height="65" width="34"]]
88 88  
89 89  By default, relay 4 is used to control the heater.
90 90  
91 -|**Pin**|**Name**|**Description**
92 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
93 -|**2**|**NO**|Normally open contact
100 +(% style="width:530px" %)
101 +|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description**
102 +|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
103 +|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
94 94  
95 -=== P14 – header for CAN and RS-485 interfaces ===
105 +=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
96 96  
97 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
107 +[[image:1731517180930-597.png||height="81" width="113"]]
98 98  
99 -|**Pin**|**Name**|**Description**
100 -|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
101 -|**2**|**CAN_H**|CAN H line for communication with external equipment
102 -|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
103 -|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
104 -|**5**|**CAN_L**|CAN L line for communication with external equipment
105 -|**6**|**GND_CAN**|Ground
109 +(% style="width:641px" %)
110 +|(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
111 +|(% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment
112 +|(% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment
113 +|(% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA
114 +|(% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment
115 +|(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
116 +|(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
106 106  
107 -=== P21 – CAN termination resistor jumper ===
118 +=== 2.2.10 P21 – CAN termination resistor jumper ===
108 108  
109 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
120 +[[image:1731517188900-976.png||height="78" width="149"]]
110 110  
111 111  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
112 112  
113 -|**Pin**|**Name**|**Description**
114 -|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
115 -|**2-3**|**-**|Termination resistor 120 Ohm is not connected
124 +(% style="width:643px" %)
125 +|**Pin**|(% style="width:122px" %)**Name**|(% style="width:400px" %)**Description**
126 +|**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
127 +|**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
116 116  
117 -=== P22 - RS-485 termination resistor jumper ===
129 +=== 2.2.11 P22 - RS-485 termination resistor jumper ===
118 118  
119 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
131 +[[image:1731517195672-298.png||height="81" width="155"]]
120 120  
121 121  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
122 122  
123 -|**Pin**|**Name**|**Description**
124 -|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
125 -|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
135 +(% style="width:644px" %)
136 +|**Pin**|(% style="width:121px" %)**Name**|(% style="width:402px" %)**Description**
137 +|**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
138 +|**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
126 126  
127 -=== P11 – header for discrete inputs/outputs ===
140 +=== 2.2.12 P11 – header for discrete inputs/outputs ===
128 128  
129 -[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
142 +[[image:1731517206246-979.png||height="81" width="258"]]
130 130  
131 -|**Pin**|**Name**|**Description**
132 -|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
133 -|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
134 -|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
135 -|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
136 -|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
137 -|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
138 -|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
139 -|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
140 -|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
141 -|**4**|**GND_OUT_4**|Discrete output #4 (ground)
142 -|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
143 -|**3**|**GND_OUT_3**|Discrete output #3 (ground)
144 -|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
145 -|**2**|**GND_OUT_2**|Discrete output #2 (ground)
146 -|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
147 -|**1**|**GND_OUT_1**|Discrete output #1 (ground)
144 +(% style="width:584px" %)
145 +|(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
146 +|(% style="width:98px" %)**16**|(% style="width:157px" %)**IN_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (+5V)
147 +|(% style="width:98px" %)**8**|(% style="width:157px" %)**GND_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (ground)
148 +|(% style="width:98px" %)**15**|(% style="width:157px" %)**IN_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (+5V)
149 +|(% style="width:98px" %)**7**|(% style="width:157px" %)**GND_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (ground)
150 +|(% style="width:98px" %)**14**|(% style="width:157px" %)**IN_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (+5V)
151 +|(% style="width:98px" %)**6**|(% style="width:157px" %)**GND_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (ground)
152 +|(% style="width:98px" %)**13**|(% style="width:157px" %)**IN_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (+5V)
153 +|(% style="width:98px" %)**5**|(% style="width:157px" %)**GND_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (ground)
154 +|(% style="width:98px" %)**12**|(% style="width:157px" %)**OUT_4**|(% style="width:326px" %)Discrete output #4 (+5V, 20mA)
155 +|(% style="width:98px" %)**4**|(% style="width:157px" %)**GND_OUT_4**|(% style="width:326px" %)Discrete output #4 (ground)
156 +|(% style="width:98px" %)**11**|(% style="width:157px" %)**OUT_3**|(% style="width:326px" %)Discrete output #3 (+5V, 20mA)
157 +|(% style="width:98px" %)**3**|(% style="width:157px" %)**GND_OUT_3**|(% style="width:326px" %)Discrete output #3 (ground)
158 +|(% style="width:98px" %)**10**|(% style="width:157px" %)**OUT_2**|(% style="width:326px" %)Discrete output #2 (+5V, 20mA)
159 +|(% style="width:98px" %)**2**|(% style="width:157px" %)**GND_OUT_2**|(% style="width:326px" %)Discrete output #2 (ground)
160 +|(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
161 +|(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
148 148  
149 -= Indicators =
163 += 2.3 Indicators =
150 150  
151 -=== DS1 – power indicator ===
165 +=== 2.3.1 DS1 – power indicator ===
152 152  
153 -|**State**|**Description**
154 -|**Lights red**|The device is powered
155 -|**Off**|The device is not powered
167 +(% style="width:442px" %)
168 +|(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
169 +|(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
170 +|(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
156 156  
157 -=== DS2 – operation indicator ===
172 +=== 2.3.2 DS2 – operation indicator ===
158 158  
159 -|**State**|**Description**
160 -|**Blinking green**|The BMS firmware is running
161 -|**Off**|The BMS firmware is not running
174 +(% style="width:442px" %)
175 +|(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
176 +|(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
177 +|(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
162 162  
163 -=== DS3 – communication indicator ===
179 +=== 2.3.3 DS3 – communication indicator ===
164 164  
165 -|**State**|**Description**
166 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
167 -|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
181 +(% style="width:539px" %)
182 +|(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
183 +|(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
184 +|(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
168 168  
169 -=== DS4 – error indicator ===
186 +=== 2.3.4 DS4 – error indicator ===
170 170  
171 -|**State**|**Description**
172 -|**Blinking red**|Errors in communication with BMS Logic
188 +(% style="width:539px" %)
189 +|(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
190 +|(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
173 173  
174 -=== DS7 – relay 1 indicator ===
192 +=== 2.3.5 DS7 – relay 1 indicator ===
175 175  
176 -|**State**|**Description**
177 -|**Lights green**|Relay #1 is closed
178 -|**Off**|Relay #1 is opened
194 +(% style="width:541px" %)
195 +|(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
196 +|(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
197 +|(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
179 179  
180 -=== DS8 – relay 2 indicator ===
199 +=== 2.3.6 DS8 – relay 2 indicator ===
181 181  
201 +(% style="width:542px" %)
202 +|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
203 +|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
204 +|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
182 182  
183 -|**State**|**Description**
184 -|**Lights green**|Relay #2 is closed
185 -|**Off**|Relay #2 is opened
206 +=== 2.3.7 DS5 – relay 3 indicator ===
186 186  
187 -=== DS5 – relay 3 indicator ===
208 +(% style="width:542px" %)
209 +|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
210 +|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
211 +|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
188 188  
189 -|**State**|**Description**
190 -|**Lights green**|Relay #3 is closed
191 -|**Off**|Relay #3 is opened
213 +=== 2.3.8 DS6 – relay 4 indicator ===
192 192  
193 -=== DS6 – relay 4 indicator ===
215 +(% style="width:542px" %)
216 +|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
217 +|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
218 +|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
194 194  
195 -|**State**|**Description**
196 -|**Lights green**|Relay #4 is closed
197 -|**Off**|Relay #4 is opened
198 -
199 199