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Last modified by Admin on 2025/07/15 17:33
From version 21.2
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on 2024/11/19 07:55
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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**
... ... @@ -45,158 +45,175 @@
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 -|**Pin**|**Name**|**Description**
53 -|**1**|**+5V**|Supply voltage 5 V, max 50 mA
54 -|**2**|**GND**|Ground
55 -|**3**|**Vhs**|ADC input (humidity sensor output)
56 -|**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)
57 57  
58 -=== P8 – header of relay 1 ===
61 +=== 2.2.5 P8 – header of relay 1 ===
59 59  
60 -[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
63 +[[image:1731517023208-641.png||height="80" width="42"]]
61 61  
62 62  By default, relay 1 is used to control the discharging contactor.
63 63  
64 -|**Pin**|**Name**|**Description**
65 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
66 -|**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
67 67  
68 -=== P9 – header of relay 2 ===
72 +=== 2.2.6 P9 – header of relay 2 ===
69 69  
70 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
74 +[[image:1731517025702-799.png||height="71" width="37"]]
71 71  
72 72  By default, relay 2 is used to output the “Allow charging” signal.
73 73  
74 -|**Pin**|**Name**|**Description**
75 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
76 -|**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
77 77  
78 -=== P6 – header of relay 3 ===
83 +=== 2.2.7 P6 – header of relay 3 ===
79 79  
80 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
85 +[[image:1731517025702-799.png||height="67" width="35"]]
81 81  
82 82  By default, relay 3 is used to control the charging contactor.
83 83  
84 -|**Pin**|**Name**|**Description**
85 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
86 -|**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
87 87  
88 -=== P7 – header of relay 4 ===
94 +=== 2.2.8 P7 – header of relay 4 ===
89 89  
90 -[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
96 +[[image:1731517025702-799.png||height="65" width="34"]]
91 91  
92 92  By default, relay 4 is used to control the heater.
93 93  
94 -|**Pin**|**Name**|**Description**
95 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
96 -|**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
97 97  
98 -=== P14 – header for CAN and RS-485 interfaces ===
105 +=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
99 99  
100 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
107 +[[image:1731517180930-597.png||height="81" width="113"]]
101 101  
102 -|**Pin**|**Name**|**Description**
103 -|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
104 -|**2**|**CAN_H**|CAN H line for communication with external equipment
105 -|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
106 -|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
107 -|**5**|**CAN_L**|CAN L line for communication with external equipment
108 -|**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
109 109  
110 -=== P21 – CAN termination resistor jumper ===
118 +=== 2.2.10 P21 – CAN termination resistor jumper ===
111 111  
112 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
120 +[[image:1731517188900-976.png||height="78" width="149"]]
113 113  
114 114  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
115 115  
116 -|**Pin**|**Name**|**Description**
117 -|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
118 -|**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
119 119  
120 -=== P22 - RS-485 termination resistor jumper ===
129 +=== 2.2.11 P22 - RS-485 termination resistor jumper ===
121 121  
122 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
131 +[[image:1731517195672-298.png||height="81" width="155"]]
123 123  
124 124  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
125 125  
126 -|**Pin**|**Name**|**Description**
127 -|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
128 -|**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
129 129  
130 130  === P11 – header for discrete inputs/outputs ===
131 131  
132 -[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
142 +[[image:1731517206246-979.png||height="81" width="258"]]
133 133  
134 -|**Pin**|**Name**|**Description**
135 -|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
136 -|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
137 -|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
138 -|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
139 -|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
140 -|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
141 -|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
142 -|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
143 -|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
144 -|**4**|**GND_OUT_4**|Discrete output #4 (ground)
145 -|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
146 -|**3**|**GND_OUT_3**|Discrete output #3 (ground)
147 -|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
148 -|**2**|**GND_OUT_2**|Discrete output #2 (ground)
149 -|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
150 -|**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)
151 151  
152 152  = Indicators =
153 153  
154 154  === DS1 – power indicator ===
155 155  
156 -|**State**|**Description**
157 -|**Lights red**|The device is powered
158 -|**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
159 159  
160 160  === DS2 – operation indicator ===
161 161  
162 -|**State**|**Description**
163 -|**Blinking green**|The BMS firmware is running
164 -|**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
165 165  
166 166  === DS3 – communication indicator ===
167 167  
168 -|**State**|**Description**
169 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
170 -|**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
171 171  
172 172  === DS4 – error indicator ===
173 173  
174 -|**State**|**Description**
175 -|**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
176 176  
177 177  === DS7 – relay 1 indicator ===
178 178  
179 -|**State**|**Description**
180 -|**Lights green**|Relay #1 is closed
181 -|**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
182 182  
183 183  === DS8 – relay 2 indicator ===
184 184  
185 185  
186 -|**State**|**Description**
187 -|**Lights green**|Relay #2 is closed
188 -|**Off**|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
189 189  
190 190  === DS5 – relay 3 indicator ===
191 191  
192 -|**State**|**Description**
193 -|**Lights green**|Relay #3 is closed
194 -|**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
195 195  
196 196  === DS6 – relay 4 indicator ===
197 197  
198 -|**State**|**Description**
199 -|**Lights green**|Relay #4 is closed
200 -|**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
201 201  
202 202