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Last modified by Admin on 2025/03/18 12:51
From version 53.1
edited by Admin
on 2025/02/12 11:56
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To version 38.1
edited by Admin
on 2024/12/12 16:21
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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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13 13  |Overall dimensions (length × width × height), mm|200 × 123 × 12
14 14  |Mounting dimensions (length × width), mm|194 × 114
15 15  |Mounting holes|M3
16 -|Headers X1-X9 type|Hirose ZE05
17 -|Headers X11-X14 type|Molex series Micro-Fit
18 18  
19 19  == Headers ==
20 20  
21 -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.
22 22  
23 23  (% contenteditable="false" tabindex="-1" %)
24 24  (((
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90 90  
91 91  (% 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:
92 92  
93 -[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
94 -
95 95  === X4 – header for HVIL ===
96 96  
97 97  [[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
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102 102  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
103 103  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
104 104  
105 - 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.
106 106  
107 107  Connection diagram to the current loop:
108 108  
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186 186  CAN3 operates differently depending on used firmware:
187 187  
188 188  * **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:
185 +* **BMS Main 3X:** CAN3 bus is used to connect with BMS Main 3 inside parallel strings.
190 190  
187 +Diagram for connecting battery modules to the CAN3 bus:
188 +
191 191  [[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
192 192  )))
193 193  
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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:
202 +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:
204 +[[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.
208 +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.
292 +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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340 340  
341 341  == Connection procedure ==
342 342  
343 -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.
344 -
345 -(% class="box errormessage" %)
346 -(((
347 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
348 -)))
349 -
350 350  (% class="box warningmessage" %)
351 351  (((
352 -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.
336 +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.
353 353  )))
354 354  
355 355  All operations to connect the device must be carried out with the supply voltage removed.
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362 362  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
363 363  * Connect external devices (if necessary) to header X6.
364 364  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
365 -* 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.
349 +* If the BMS Main 3 is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
366 366  * 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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