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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
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To version 33.2
edited by Admin
on 2024/12/11 11:33
Change comment: Update document after refactoring.

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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 3.0 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.
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 3.0 device are shown below.
20 20  
21 21  (% contenteditable="false" tabindex="-1" %)
22 22  (((
... ... @@ -67,12 +67,12 @@
67 67  
68 68  |**Pin**|**Name**|**Description**
69 69  |**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
70 -|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
71 -|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
72 -|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
73 -|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
74 -|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
75 -|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
70 +|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact” (+5 V)
71 +|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact” (+5 V)
72 +|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact” (+5 V)
73 +|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact” (+5 V)
74 +|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact” (+5 V)
75 +|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact” (+5 V)
76 76  |**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
77 77  |**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
78 78  |**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
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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 other BMS devices
161 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
160 +|**1**|**CAN2_H**|CAN2 line H for communication with BMS devices
161 +|**2**|**CAN2_L**|CAN2 line L for communication with BMS devices
162 162  |**3**|**GND**|Ground
163 163  |**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
164 164  
... ... @@ -171,21 +171,19 @@
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
175 -|**2**|**CAN3_L**|CAN3 line L
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)
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 -**Note:**
182 -CAN3 operates differently depending on used firmware:
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 +)))
183 183  
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:
184 +Diagram for connecting battery modules to the CAN3 bus:
186 186  
187 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
188 -)))
186 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" height="153" width="417"]]
189 189  
190 190  === X9 – header for BMS Logic (RS-485-2) ===
191 191  
... ... @@ -203,7 +203,7 @@
203 203  
204 204  === X10 – miniUSB connector ===
205 205  
206 -The miniUSB connector is used to configure the parameters of the BMS Main 3 device.
204 +The miniUSB connector is used to configure the parameters of the BMS Main 3.0 device.
207 207  
208 208  === X11 – header for high-voltage bus before contactors (plus) ===
209 209  
... ... @@ -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.
332 +Before connection, configure the device (see [[3. Settings>>doc:drafts.BMS Main 3.3\. Settings.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.
... ... @@ -344,5 +344,5 @@
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.
345 +* If the BMS Main 3.0 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.