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Last modified by Admin on 2025/03/18 12:51
From version 36.1
edited by Admin
on 2024/12/12 12:55
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 3.0 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.
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  
... ... @@ -16,7 +16,7 @@
16 16  
17 17  == Headers ==
18 18  
19 -The location and designation of connectors on the BMS Main 3.0 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  
... ... @@ -157,8 +157,8 @@
157 157  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
158 158  
159 159  |**Pin**|**Name**|**Description**
160 -|**1**|**CAN2_H**|CAN2 line H for communication with BMS devices
161 -|**2**|**CAN2_L**|CAN2 line L for communication with BMS devices
160 +|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
161 +|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
162 162  |**3**|**GND**|Ground
163 163  |**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
164 164  
... ... @@ -171,19 +171,21 @@
171 171  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
172 172  
173 173  |**Pin**|**Name**|**Description**
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)
174 +|**1**|**CAN3_H**|CAN3 line H
175 +|**2**|**CAN3_L**|CAN3 line L
176 176  |**3**|**GND**|Ground
177 177  |**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
178 178  
179 179  (% class="box infomessage" %)
180 180  (((
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 -)))
181 +**Note:**
182 +CAN3 operates differently depending on used firmware:
183 183  
184 -Diagram for connecting battery modules to the CAN3 bus:
184 +* **BMS Main 3:** CAN3 bus is reserved;
185 +* **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:
185 185  
186 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" height="153" width="417"]]
187 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
188 +)))
187 187  
188 188  === X9 – header for BMS Logic (RS-485-2) ===
189 189  
... ... @@ -195,13 +195,20 @@
195 195  |**3**|**GND**|Ground
196 196  |**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
197 197  
198 -Connection diagram for BMS Logic devices:
200 +(% class="box infomessage" %)
201 +(((
202 +**Note:**
203 +RS-485-2 operates differently depending on used firmware:
199 199  
200 -[[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:
201 201  
208 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
209 +)))
210 +
202 202  === X10 – miniUSB connector ===
203 203  
204 -The miniUSB connector is used to configure the parameters of the BMS Main 3.0 device.
213 +The miniUSB connector is used to configure the parameters of the BMS Main 3  device.
205 205  
206 206  === X11 – header for high-voltage bus before contactors (plus) ===
207 207  
... ... @@ -342,5 +342,5 @@
342 342  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
343 343  * Connect external devices (if necessary) to header X6.
344 344  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
345 -* If the BMS Main 3.0 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.
346 346  * 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.