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Last modified by Admin on 2025/07/15 17:33
From version 48.1
edited by Admin
on 2024/12/04 11:27
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To version 66.1
edited by Admin
on 2025/03/18 12:51
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1 -drafts.BMS Main 2\.1.WebHome
1 +Battery management systems.BMS Main 2\.1.WebHome
Content
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1 -== 2.1 Installation procedure ==
1 +(% data-numbered-headings-start="2" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 += Installation and connection =
2 2  
4 +== Safety rules ==
5 +
6 +To perform the protection functions, the BMS must be able to disconnect the battery from the load and charger. To do this, **at least one contactor** able to break the load and charge circuits must be connected to the BMS.
7 +
8 +Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
9 +
10 +(% class="box errormessage" %)
11 +(((
12 +The BMS can be connected to batteries with life-threatening and health-hazardous voltage levels. When working with high-voltage batteries, observe electrical safety regulations, use safety glasses, protective clothing, insulated tools and appliances. To prevent the damage of device avoid electrostatic discharges while working with the battery.
13 +)))
14 +
15 +(% class="box errormessage" %)
16 +(((
17 +The system is not designed to operate with batteries whose total voltage exceeds 1200 V.
18 +)))
19 +
20 +== Installation procedure ==
21 +
3 3  Overall and mounting dimensions of the BMS Main 2.1 are shown below.
4 4  
5 5  [[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
6 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
26 +(% style="width:494px" %)
27 +|**Parameter**|(% style="width:178px" %)**Value**
28 +|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
29 +|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
30 +|Mounting holes|(% style="width:178px" %)M3
11 11  
12 -== 2.2 Connection procedure ==
32 +== Connection procedure ==
13 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  
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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 ==
41 +== ​​​​Headers description ==
22 22  
23 23  The BMS Main 2.1 headers are shown in figure below.
24 24  
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30 30  All headers are shown from the device side!
31 31  )))
32 32  
33 -=== 2.3.1 P1 – header for power supply ===
53 +=== P1 – header for power supply ===
34 34  
55 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
56 +
35 35  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
36 36  
37 37  |**Pin**|**Name**|**Description**
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38 38  |**1**|**GND**|Ground
39 39  |**2**|**V+**|Supply voltage 9-30V
40 40  
41 -=== 2.3.2 P15 – header for BMS Logic ===
63 +=== P15 – header for BMS Logic ===
42 42  
65 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
66 +
43 43  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
44 44  
45 45  |**Pin**|**Name**|**Description**
... ... @@ -48,8 +48,10 @@
48 48  |**3**|**+5V**|Supply voltage for BMS Logic
49 49  |**4**|**GND**|Ground
50 50  
51 -=== 2.3.3 P12 – header for current sensor ===
75 +=== P12 – header for current sensor ===
52 52  
77 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
78 +
53 53  [[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
54 54  
55 55  |**Pin**|**Name**|**Description**
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58 58  |**3**|**Vcs**|ADC input (current sensor output)
59 59  |**4**|**Vref**|ADC input (current sensor reference signal)
60 60  
61 -=== 2.3.4 P13 – header for humidity sensor ===
87 +=== P13 – header for humidity sensor ===
62 62  
89 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
90 +
63 63  [[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
64 64  
65 65  |**Pin**|**Name**|**Description**
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68 68  |**3**|**Vhs**|ADC input (humidity sensor output)
69 69  |**4**|**Vts**|ADC input (temperature sensor output)
70 70  
71 -=== 2.3.5 P8 – header of relay 1 ===
99 +=== P8 – header of relay 1 ===
72 72  
101 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
102 +
73 73  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
74 74  
75 75  By default, relay 1 is used to control the discharging contactor.
76 76  
77 77  |**Pin**|**Name**|**Description**
78 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
108 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
79 79  |**2**|**NO**|Normally open contact
80 80  
81 -=== 2.3.6 P9 – header of relay 2 ===
111 +Contactor connection example for all relays:
82 82  
113 +[[image:1741619814065-850.png||height="189" width="252"]]
114 +
115 +=== P9 – header of relay 2 ===
116 +
117 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
118 +
83 83  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
84 84  
85 85  By default, relay 2 is used to output the “Allow charging” signal.
86 86  
87 87  |**Pin**|**Name**|**Description**
88 -|**1**|**V+**|Switching voltage (up to 55V, max 2A)
124 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
89 89  |**2**|**NO**|Normally open contact
90 90  
91 -=== 2.3.7 P6 – header of relay 3 ===
127 +Contactor connection example: see relay 1.
92 92  
129 +=== P6 – header of relay 3 ===
130 +
131 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
132 +
93 93  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
94 94  
95 95  By default, relay 3 is used to control the charging contactor.
96 96  
97 97  |**Pin**|**Name**|**Description**
98 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
138 +|**1**|**V+**|Switching voltage up to 55V,
139 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
99 99  |**2**|**NO**|Normally open contact
100 100  
101 -=== 2.3.8 P7 – header of relay 4 ===
142 +Contactor connection example: see relay 1.
102 102  
144 +=== P7 – header of relay 4 ===
145 +
146 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
147 +
103 103  [[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
104 104  
105 105  By default, relay 4 is used to control the heater.
106 106  
107 107  |**Pin**|**Name**|**Description**
108 -|**1**|**V+**|Switching voltage (up to 55V, max 8A)
153 +|**1**|**V+**|Switching voltage up to 55V,
154 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
109 109  |**2**|**NO**|Normally open contact
110 110  
111 -=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
157 +Contactor connection example: see relay 1.
112 112  
159 +=== P14 – header for CAN and RS-485 interfaces ===
160 +
161 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
162 +
113 113  [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
114 114  
115 115  (% style="width:641px" %)
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121 121  |**5**|**CAN_L**|CAN L line for communication with external equipment
122 122  |**6**|**GND_CAN**|Ground
123 123  
124 -=== 2.3.10 P21 – CAN termination resistor jumper ===
174 +=== P21 – CAN termination resistor jumper ===
125 125  
126 126  [[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
127 127  
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131 131  |**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
132 132  |**2-3**|**-**|Termination resistor 120 Ohm is not connected
133 133  
134 -=== 2.3.11 P22 - RS-485 termination resistor jumper ===
184 +=== P22 - RS-485 termination resistor jumper ===
135 135  
136 136  [[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
137 137  
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141 141  |**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
142 142  |**2-3**|**-**|Terminating resistor 120 Ohm is not connected
143 143  
144 -=== 2.3.12 P11 – header for discrete inputs/outputs ===
194 +=== P11 – header for discrete inputs/outputs ===
145 145  
196 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
197 +
146 146  [[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
147 147  
148 148  |**Pin**|**Name**|**Description**
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163 163  |**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
164 164  |**1**|**GND_OUT_1**|Discrete output #1 (ground)
165 165  
166 -= 2.4 Indicators =
218 +== Indicators ==
167 167  
168 -=== 2.4.1 DS1 – power indicator ===
220 +=== DS1 – power indicator ===
169 169  
170 170  |**State**|**Description**
171 171  |**Lights red**|The device is powered
172 172  |**Off**|The device is not powered
173 173  
174 -=== 2.4.2 DS2 – operation indicator ===
226 +=== DS2 – operation indicator ===
175 175  
176 176  |**State**|**Description**
177 177  |**Blinking green**|The BMS firmware is running
178 178  |**Off**|The BMS firmware is not running
179 179  
180 -=== 2.4.3 DS3 – communication indicator ===
232 +=== DS3 – communication indicator ===
181 181  
182 182  |**State**|**Description**
183 183  |**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
184 184  |**Blinking yellow (25Hz)**|Communication with BMS Logic is established
185 185  
186 -=== 2.4.4 DS4 – error indicator ===
238 +=== DS4 – error indicator ===
187 187  
188 188  
189 189  |(**State**|**Description**
190 190  |(**Blinking red**|Errors in communication with BMS Logic
191 191  
192 -=== 2.4.5 DS7 – relay 1 indicator ===
244 +=== DS7 – relay 1 indicator ===
193 193  
194 194  |**State**|**Description**
195 195  |**Lights green**|Relay #1 is closed
196 196  |**Off**|Relay #1 is opened
197 197  
198 -=== 2.4.6 DS8 – relay 2 indicator ===
250 +=== DS8 – relay 2 indicator ===
199 199  
200 200  |**State**|**Description**
201 201  |**Lights green**|Relay #2 is closed
202 202  |**Off**|Relay #2 is opened
203 203  
204 -=== 2.4.7 DS5 – relay 3 indicator ===
256 +=== DS5 – relay 3 indicator ===
205 205  
206 206  |**State**|**Description**
207 207  |**Lights green**|Relay #3 is closed
208 208  |**Off**|Relay #3 is opened
209 209  
210 -=== 2.4.8 DS6 – relay 4 indicator ===
262 +=== DS6 – relay 4 indicator ===
211 211  
212 212  |**State**|**Description**
213 213  |**Lights green**|Relay #4 is closed
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