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Last modified by Admin on 2025/03/18 12:51
From version 37.1
edited by Admin
on 2024/12/12 16:14
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

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  
... ... @@ -16,7 +16,7 @@
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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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 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 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.