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Last modified by Admin on 2025/03/18 12:51
From version 55.2
edited by Admin
on 2025/02/20 13:07
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To version 37.1
edited by Admin
on 2024/12/12 16:14
Change comment: There is no comment for this version

Summary

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3 3  
4 4  == Installation procedure ==
5 5  
6 -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.
6 +The mounting location of the BMS Main 3 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.
7 7  
8 8  Overall and mounting dimensions are shown in figure below.
9 9  
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16 16  
17 17  == Headers ==
18 18  
19 -The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
19 +The location and designation of connectors on the BMS Main 3 device are shown below.
20 20  
21 21  (% contenteditable="false" tabindex="-1" %)
22 22  (((
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88 88  
89 89  (% 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:
90 90  
91 -[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
92 -
93 93  === X4 – header for HVIL ===
94 94  
95 95  [[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
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100 100  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
101 101  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
102 102  
103 - 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.
101 + 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.
104 104  
105 105  Connection diagram to the current loop:
106 106  
107 -[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
108 -
109 109  === X5 – header for current and temperature sensors ===
110 110  
111 111  [[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
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161 161  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
162 162  
163 163  |**Pin**|**Name**|**Description**
164 -|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
165 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
160 +|**1**|**CAN2_H**|CAN2 line H for communication with BMS devices
161 +|**2**|**CAN2_L**|CAN2 line L for communication with BMS devices
166 166  |**3**|**GND**|Ground
167 167  |**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
168 168  
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175 175  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
176 176  
177 177  |**Pin**|**Name**|**Description**
178 -|**1**|**CAN3_H**|CAN3 line H
179 -|**2**|**CAN3_L**|CAN3 line L
174 +|**1**|**CAN3_H**|CAN3 line H for communication with battery modules (for BMS Main 3X)
175 +|**2**|**CAN3_L**|CAN3 line L for communication with battery modules (for BMS Main 3X)
180 180  |**3**|**GND**|Ground
181 181  |**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
182 182  
183 183  (% class="box infomessage" %)
184 184  (((
185 -**Note:**
186 -CAN3 operates differently depending on used firmware:
181 +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.
182 +)))
187 187  
188 -* **BMS Main 3:** CAN3 bus is reserved;
189 -* **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:
184 +Diagram for connecting battery modules to the CAN3 bus:
190 190  
191 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
192 -)))
186 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" height="153" width="417"]]
193 193  
194 194  === X9 – header for BMS Logic (RS-485-2) ===
195 195  
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201 201  |**3**|**GND**|Ground
202 202  |**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
203 203  
204 -(% class="box infomessage" %)
205 -(((
206 -**Note:**
207 -RS-485-2 operates differently depending on used firmware:
198 +Connection diagram for BMS Logic devices:
208 208  
209 -* **BMS Main 3X:** RS-485-2 bus is reserved;
210 -* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
200 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" height="163" width="400"]]
211 211  
212 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
213 -)))
214 -
215 215  === X10 – miniUSB connector ===
216 216  
217 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
204 +The miniUSB connector is used to configure the parameters of the BMS Main 3 device.
218 218  
219 219  === X11 – header for high-voltage bus before contactors (plus) ===
220 220  
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298 298  
299 299  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
300 300  
301 -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.
288 +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.
302 302  
303 303  == Indicators ==
304 304  
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314 314  |**Blinking green**|Executing the battery management program
315 315  |**No blinking**|Program execution error
316 316  
317 -=== DS3 – LED indicating interaction with child devices ===
304 +=== DS3 – LED indicating interaction with BMS Logic ===
318 318  
319 -(% style="width:447px" %)
320 -|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
321 -|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
322 -|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
306 +|**State**|**Description**
307 +|**Blinking yellow**|The device interacts with BMS Logic devices
308 +|**No blinking**|-
323 323  
324 -=== DS4 – LED indicating loss of connection with child devices ===
310 +=== DS4 – LED indicating loss of connection with BMS Logic ===
325 325  
326 -(% style="width:601px" %)
327 -|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
328 -|**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
329 -|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
312 +|**State**|**Description**
313 +|**Blinking/lights up red**|Communication with one or more BMS Logic devices is lost
314 +|**No blinking**|Communication with BMS Logic is stable
330 330  
331 331  === DS5-DS10 – LEDs indicating contactor switches 1-6 ===
332 332  
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342 342  
343 343  == Connection procedure ==
344 344  
345 -The BMS can connect to batteries with voltage levels dangerous to life and health. When working with high voltage batteries, follow electrical safety rules, use safety glasses, protective clothing, insulated tools and devices.
346 -
347 -(% class="box errormessage" %)
348 -(((
349 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
350 -)))
351 -
352 352  (% class="box warningmessage" %)
353 353  (((
354 -Before connection, configure the device (see [[Settings>>doc:Battery management systems.BMS Main 3.3\. Configuration.WebHome]]). Correct operation of the BMS system is only possible with correct configuration.
332 +Before connection, configure the device (see [[Settings>>doc:Battery management systems.BMS Main 3.3\. Settings.WebHome]]). Correct operation of the BMS system is only possible with correct configuration.
355 355  )))
356 356  
357 357  All operations to connect the device must be carried out with the supply voltage removed.
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364 364  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
365 365  * Connect external devices (if necessary) to header X6.
366 366  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
367 -* 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.
345 +* If the BMS Main 3 is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
368 368  * 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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