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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 40.1
edited by Admin
on 2024/12/12 16:28
Change comment: There is no comment for this version

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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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16 16  
17 17  == Headers ==
18 18  
19 -The location and designation of connectors on the BMS Main 3 device are shown below.
19 +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.
101 + 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  
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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:
200 +(% class="box infomessage" %)
201 +(((
202 +**Note:**
203 +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"]]
205 +* **BMS Main 3X:** RS-485-2 bus is reserved;
206 +* **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  
208 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
209 +)))
210 +
204 204  === X10 – miniUSB connector ===
205 205  
206 -The miniUSB connector is used to configure the parameters of the BMS Main 3 device.
213 +The miniUSB connector is used to configure the parameters of the BMS Main 3  device.
207 207  
208 208  === X11 – header for high-voltage bus before contactors (plus) ===
209 209  
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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.
354 +* 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.