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Last modified by Admin on 2025/03/18 12:51
From version 39.1
edited by Admin
on 2024/12/12 16:22
Change comment: There is no comment for this version
To version 43.1
edited by Admin
on 2025/01/29 13:28
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 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 / 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.
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 +|Connector type|Hirose ZE05
16 16  
17 17  == Headers ==
18 18  
19 -The location and designation of connectors on the BMS Main 3 device are shown below.
20 +The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
20 20  
21 21  (% contenteditable="false" tabindex="-1" %)
22 22  (((
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98 98  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
99 99  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
100 100  
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.
102 + 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.
102 102  
103 103  Connection diagram to the current loop:
104 104  
... ... @@ -197,13 +197,20 @@
197 197  |**3**|**GND**|Ground
198 198  |**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
199 199  
200 -Connection diagram for BMS Logic devices:
201 +(% class="box infomessage" %)
202 +(((
203 +**Note:**
204 +RS-485-2 operates differently depending on used firmware:
201 201  
202 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" height="163" width="400"]]
206 +* **BMS Main 3X:** RS-485-2 bus is reserved;
207 +* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
203 203  
209 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
210 +)))
211 +
204 204  === X10 – miniUSB connector ===
205 205  
206 -The miniUSB connector is used to configure the parameters of the BMS Main 3 device.
214 +The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
207 207  
208 208  === X11 – header for high-voltage bus before contactors (plus) ===
209 209  
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287 287  
288 288  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
289 289  
290 -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.
298 +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.
291 291  
292 292  == Indicators ==
293 293  
... ... @@ -331,7 +331,7 @@
331 331  
332 332  (% class="box warningmessage" %)
333 333  (((
334 -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.
342 +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.
335 335  )))
336 336  
337 337  All operations to connect the device must be carried out with the supply voltage removed.
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344 344  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
345 345  * Connect external devices (if necessary) to header X6.
346 346  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
347 -* If the BMS Main 3 is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
355 +* 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.
348 348  * 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.