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Last modified by Admin on 2025/03/18 12:51
From version 60.1
edited by Admin
on 2025/03/18 12:22
Change comment: There is no comment for this version
To version 29.1
edited by Admin
on 2024/12/04 15:36
Change comment: There is no comment for this version

Summary

Details

Page properties
Parent
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1 -Battery management systems.BMS Main 3.WebHome
1 +drafts.bms-main-3.WebHome
Content
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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 =
3 -
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 warningmessage" %)
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 3000 V.**
18 -)))
19 -
1 +(% data-numbered-headings-start="1" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0)" %)
2 += =
20 20  == Installation procedure ==
21 21  
22 -The mounting location of the BMS Main 3 / BMS Main 3X device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
5 +The mounting location of the BMS Main 3.0 device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
23 23  
24 24  Overall and mounting dimensions are shown in figure below.
25 25  
... ... @@ -30,9 +30,9 @@
30 30  |Mounting dimensions (length × width), mm|194 × 114
31 31  |Mounting holes|M3
32 32  
33 -== Headers ==
16 +== 2.2 Headers ==
34 34  
35 -The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
18 +The location and designation of connectors on the BMS Main 3.0 device are shown below.
36 36  
37 37  (% contenteditable="false" tabindex="-1" %)
38 38  (((
... ... @@ -45,10 +45,8 @@
45 45  All headers are shown from the device side!
46 46  )))
47 47  
48 -=== X1 – header to power the device ===
31 +=== 2.2.1 X1 – header to power the device ===
49 49  
50 -Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
51 -
52 52  (% class="wikigeneratedid" id="H" %)
53 53  (% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png||data-xwiki-image-style-alignment="center" height="85" width="200"]]
54 54  
... ... @@ -62,10 +62,8 @@
62 62  
63 63  (% aria-label="1732120054870-496.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732120054870-496.png||data-xwiki-image-style-alignment="center" height="169" width="327"]]
64 64  
65 -=== X2 – header for contactors ===
46 +=== (% title="Click and drag to resize" %)​(%%)2.2.2 X2 – header for contactors ===
66 66  
67 -Receptacle Housing: Hirose ZE05-12DS-HU/R. Terminals: Hirose ZE05-2022SCF
68 -
69 69  (% aria-label="1732121695049-411.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121695049-411.png||data-xwiki-image-style-alignment="center" height="87" width="267"]](% title="Click and drag to resize" %)​
70 70  
71 71  |**Pin**|**Name**|**Description**
... ... @@ -81,20 +81,18 @@
81 81  
82 82  (% aria-label="1732121755886-234.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121755886-234.png||data-xwiki-image-style-alignment="center" height="82" width="260"]]
83 83  
84 -=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
63 +=== (% title="Click and drag to resize" %)​(%%)2.2.3 X3 – header for discrete inputs and outputs ===
85 85  
86 -Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
87 -
88 88  (% aria-label="1732121811285-182.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121811285-182.png||data-xwiki-image-style-alignment="center" height="94" width="531"]]
89 89  
90 90  |**Pin**|**Name**|**Description**
91 91  |**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
92 -|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
93 -|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
94 -|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
95 -|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
96 -|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
97 -|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
69 +|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact” (+5 V)
70 +|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact” (+5 V)
71 +|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact” (+5 V)
72 +|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact” (+5 V)
73 +|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact” (+5 V)
74 +|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact” (+5 V)
98 98  |**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
99 99  |**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
100 100  |**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
... ... @@ -110,14 +110,10 @@
110 110  
111 111  (% aria-label="1732121926812-202.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121926812-202.png||data-xwiki-image-style-alignment="center" height="76" width="242"]](% title="Click and drag to resize" %)​(%%)Connection diagram for discrete output:
112 112  
113 -[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
90 + (% aria-label="1732121942791-517.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121942791-517.png||data-xwiki-image-style-alignment="center" height="90" width="269"]](% title="Click and drag to resize" %)​(% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)2.2.4 X4 – header for HVIL
114 114  
115 -=== X4 – header for HVIL ===
92 +(% aria-label="1732122015188-642.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]](% title="Click and drag to resize" %)​
116 116  
117 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
118 -
119 -[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
120 -
121 121  |**Pin**|**Name**|**Description**
122 122  |**1**|**-**|Not used
123 123  |**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
... ... @@ -124,18 +124,14 @@
124 124  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
125 125  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
126 126  
127 - If the BMS Main 3 / BMS Main 3X device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 3 / BMS Main 3X is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
100 + If the BMS Main 3 device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 3 is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
128 128  
129 129  Connection diagram to the current loop:
130 130  
131 -[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
104 +(% aria-label="1732122067418-263.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122067418-263.png||data-xwiki-image-style-alignment="center" height="264" width="356"]](% title="Click and drag to resize" %)​(% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)2.2.5 X5 – header for current and temperature sensors
132 132  
133 -=== X5 – header for current and temperature sensors ===
106 +(% aria-label="image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]](% title="Click and drag to resize" %)​
134 134  
135 -Receptacle Housing: Hirose ZE05-16DS-HU/R. Terminals: Hirose ZE05-2022SCF
136 -
137 -[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
138 -
139 139  (% style="width:539px" %)
140 140  |**Pin**|**Name**|(% style="width:402px" %)**Description**
141 141  |**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
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163 163  
164 164  [[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
165 165  
166 -=== X6 – header for CAN1 and RS-485-1 (external buses) ===
135 +=== 2.2.6 X6 – header for CAN1 and RS-485-1 (external buses) ===
167 167  
168 -Receptacle Housing: Hirose ZE05-5S-HU/R. Terminals: Hirose ZE05-2022SCF
169 -
170 170  [[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
171 171  
172 172  |**Pin**|**Name**|**Description**
... ... @@ -184,15 +184,13 @@
184 184  
185 185  [[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
186 186  
187 -=== X7 – header for CAN2 (internal bus) ===
154 +=== 2.2.7 X7 – header for CAN2 (internal bus) ===
188 188  
189 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
190 -
191 191  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
192 192  
193 193  |**Pin**|**Name**|**Description**
194 -|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
195 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
159 +|**1**|**CAN2_H**|CAN2 line H for communication with BMS devices
160 +|**2**|**CAN2_L**|CAN2 line L for communication with BMS devices
196 196  |**3**|**GND**|Ground
197 197  |**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
198 198  
... ... @@ -200,33 +200,27 @@
200 200  
201 201  [[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
202 202  
203 -=== X8 – header for CAN3 ===
168 +=== 2.2.8 X8 – header for CAN3 ===
204 204  
205 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
206 -
207 207  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
208 208  
209 209  |**Pin**|**Name**|**Description**
210 -|**1**|**CAN3_H**|CAN3 line H
211 -|**2**|**CAN3_L**|CAN3 line L
173 +|**1**|**CAN3_H**|CAN3 line H for communication with battery modules (for BMS Main 3X)
174 +|**2**|**CAN3_L**|CAN3 line L for communication with battery modules (for BMS Main 3X)
212 212  |**3**|**GND**|Ground
213 213  |**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
214 214  
215 215  (% class="box infomessage" %)
216 216  (((
217 -**Note:**
218 -CAN3 operates differently depending on used firmware:
219 -
220 -* **BMS Main 3:** CAN3 bus is reserved;
221 -* **BMS Main 3X:** CAN3 bus is used to connect with BMS Main 3 inside parallel strings. Diagram for connecting battery modules to the CAN3 bus:
222 -
223 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
180 +If the BMS Main 3 device acts as a controller for a battery system consisting of several battery modules connected in parallel, then the parallel battery BMS must be connected to the CAN3 bus.
224 224  )))
225 225  
226 -=== X9 – header for BMS Logic (RS-485-2) ===
183 +Diagram for connecting battery modules to the CAN3 bus:
227 227  
228 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
185 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" height="153" width="417"]]
229 229  
187 +=== 2.2.9 X9 – header for BMS Logic (RS-485-2) ===
188 +
230 230  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
231 231  
232 232  |**Pin**|**Name**|**Description**
... ... @@ -235,25 +235,16 @@
235 235  |**3**|**GND**|Ground
236 236  |**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
237 237  
238 -(% class="box infomessage" %)
239 -(((
240 -**Note:**
241 -RS-485-2 operates differently depending on used firmware:
197 +Connection diagram for BMS Logic devices:
242 242  
243 -* **BMS Main 3X:** RS-485-2 bus is reserved;
244 -* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
199 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" height="163" width="400"]]
245 245  
246 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
247 -)))
201 +=== 2.2.10 X10 – miniUSB connector ===
248 248  
249 -=== X10 – miniUSB connector ===
203 +The miniUSB connector is used to configure the parameters of the BMS Main 3.0 device.
250 250  
251 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
205 +=== 2.2.11 X11 – header for high-voltage bus before contactors (plus) ===
252 252  
253 -=== X11 – header for high-voltage bus before contactors (plus) ===
254 -
255 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
256 -
257 257  [[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
258 258  
259 259  |**Pin**|**Name**|**Description**
... ... @@ -265,10 +265,8 @@
265 265  The connected voltage must not exceed 1000V.
266 266  )))
267 267  
268 -=== X12 – header for high-voltage bus before contactors (minus) ===
218 +=== 2.2.12 X12 – header for high-voltage bus before contactors (minus) ===
269 269  
270 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
271 -
272 272  [[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
273 273  
274 274  |**Pin**|**Name**|**Description**
... ... @@ -280,10 +280,8 @@
280 280  The connected voltage must not exceed 1000V.
281 281  )))
282 282  
283 -=== X13 – header for high-voltage bus after contactors (plus) ===
231 +=== 2.2.13 X13 – header for high-voltage bus after contactors (plus) ===
284 284  
285 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
286 -
287 287  [[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
288 288  
289 289  |**Pin**|**Name**|**Description**
... ... @@ -295,10 +295,8 @@
295 295  The connected voltage must not exceed 1000V.
296 296  )))
297 297  
298 -=== X14 – header for high-voltage bus after contactors (minus) ===
244 +=== 2.2.14  X14 – header for high-voltage bus after contactors (minus) ===
299 299  
300 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
301 -
302 302  [[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
303 303  
304 304  |**Pin**|**Name**|**Description**
... ... @@ -310,7 +310,7 @@
310 310  The connected voltage must not exceed 1000V.
311 311  )))
312 312  
313 -=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
257 +=== 2.2.15 J1 – jumper for switching RS-485-1 bus terminal resistor ===
314 314  
315 315  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
316 316  
... ... @@ -320,7 +320,7 @@
320 320  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
321 321  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
322 322  
323 -=== J2 – jumper for switching CAN1 bus terminal resistor ===
267 +=== 2.2.16 J2 – jumper for switching CAN1 bus terminal resistor ===
324 324  
325 325  
326 326  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN1_H** and **CAN1_L** lines, install a jumper. The jumper is installed according to the table:
... ... @@ -329,7 +329,7 @@
329 329  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
330 330  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
331 331  
332 -=== J3 – jumper for switching CAN2 bus terminal resistor ===
276 +=== 2.2.17 J3 – jumper for switching CAN2 bus terminal resistor ===
333 333  
334 334  
335 335  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN2_H** and **CAN2_L** lines, install a jumper. The jumper is installed according to the table:
... ... @@ -338,52 +338,55 @@
338 338  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
339 339  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
340 340  
341 -=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
285 +=== 2.2.18 J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
342 342  
343 -The BMS Main 3 / BMS Main 3X device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
287 +The BMS Main 3 device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
344 344  
345 -== Indicators ==
289 +== 2.3 Indicators ==
346 346  
347 -=== DS1 – LED indicating device power ===
291 +=== 2.3.1 DS1 – LED indicating device power ===
348 348  
349 349  |**State**|**Description**
350 350  |**Lights up green**|Device power (+5V) is present
351 351  |**Doesn’t light up**|No device power
352 352  
353 -=== DS2 – LED indicating device work ===
297 +=== 2.3.2 DS2 – LED indicating device work ===
354 354  
355 355  |**State**|**Description**
356 356  |**Blinking green**|Executing the battery management program
357 357  |**No blinking**|Program execution error
358 358  
359 -=== DS3 – LED indicating interaction with child devices ===
303 +=== 2.3.3 DS3 – LED indicating interaction with BMS Logic ===
360 360  
361 -(% style="width:447px" %)
362 -|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
363 -|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
364 -|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
305 +|**State**|**Description**
306 +|**Blinking yellow**|The device interacts with BMS Logic devices
307 +|**No blinking**|-
365 365  
366 -=== DS4 – LED indicating loss of connection with child devices ===
309 +=== 2.3.4 DS4 – LED indicating loss of connection with BMS Logic ===
367 367  
368 -(% style="width:601px" %)
369 -|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
370 -|**Blinking/lights up red**|(% style="width:220px" %)Communication with one or more BMS Logic devices is lost|(% style="width:218px" %)Communication with one or more BMS Main 3 devices is lost
371 -|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
311 +|**State**|**Description**
312 +|**Blinking/lights up red**|Communication with one or more BMS Logic devices is lost
313 +|**No blinking**|Communication with BMS Logic is stable
372 372  
373 -=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
315 +=== 2.3.5 DS5-DS10 – LEDs indicating contactor switches 1-6 ===
374 374  
375 375  |**State**|**Description**
376 376  |**Lights up green**|The switch supplies voltage to the contactor winding
377 377  |**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
378 378  
379 -=== DS11 – LED indicating the presence of power supply for contactors ===
321 +=== 2.3.6 DS11 – LED indicating the presence of power supply for contactors ===
380 380  
381 381  |**State**|**Description**
382 382  |**Lights up green**|Power supply for contactor switches (9-32V) is present
383 383  |**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
384 384  
385 -== Connection procedure ==
327 +== 2.4 Connection procedure ==
386 386  
329 +(% class="box warningmessage" %)
330 +(((
331 +Before connection, configure the device (see ). Correct operation of the BMS system is only possible with correct configuration.
332 +)))
333 +
387 387  All operations to connect the device must be carried out with the supply voltage removed.
388 388  
389 389  * Connect the power contactors to header X2.
... ... @@ -394,5 +394,5 @@
394 394  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
395 395  * Connect external devices (if necessary) to header X6.
396 396  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
397 -* If the BMS Main 3 / BMS Main 3X is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
344 +* If the BMS Main 3.0 is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
398 398  * Connect an external power supply to header X1. The device will start when there is a 9-32V power supply and one of the KEYRUN or CHARGE_ON signals with a voltage of more than 8.5V is supplied.
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Author
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1 -XWiki.admin
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