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Last modified by Admin on 2026/04/02 13:49
From version 56.2
edited by Admin
on 2025/03/18 11:53
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To version 80.1
edited by Admin
on 2026/03/25 16:30
Change comment: Uploaded new attachment "1774455018488-627.png", version {1}

Summary

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Parent
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1 -Battery management systems.BMS Main 3.WebHome
1 +drafts.BMS Main 2R.WebHome
Content
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1 1  (% data-numbered-headings-start="2" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 2  = Installation and connection =
3 3  
4 -(% class="box warningmessage" %)
4 +== Safety rules ==
5 +
6 +To perform the protection functions, the BMS must be able to disconnect the battery from the load and charger. To do this, **at least one contactor** able to break the load and charge circuits must be connected to the BMS.
7 +
8 +Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
9 +
10 +(% class="box errormessage" %)
5 5  (((
6 -The BMS can connect to batteries with voltage levels dangerous to life and health. When working with high voltage batteries, follow electrical safety rules, use safety glasses, protective clothing, insulated tools and devices.
12 +The BMS can be connected to batteries with life-threatening and health-hazardous voltage levels. When working with high-voltage batteries, observe electrical safety regulations, use safety glasses, protective clothing, insulated tools and appliances. To prevent the damage of device avoid electrostatic discharges while working with the battery.
7 7  )))
8 8  
9 9  (% class="box errormessage" %)
10 10  (((
11 -**The system is not designed to operate with batteries whose total voltage exceeds 3000 V.**
17 +The system is not designed to operate with batteries whose total voltage exceeds 3000 V.
12 12  )))
13 13  
14 14  == Installation procedure ==
15 15  
16 -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.
22 +The mounting location of the BMS Main 2R 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.
17 17  
18 18  Overall and mounting dimensions are shown in figure below.
19 19  
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26 26  
27 27  == Headers ==
28 28  
29 -The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
35 +The location and designation of connectors on the BMS Main 2R device are shown below.
30 30  
31 31  (% contenteditable="false" tabindex="-1" %)
32 32  (((
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118 118  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
119 119  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
120 120  
121 - 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.
127 + If the BMS Main 2R device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 2R is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
122 122  
123 123  Connection diagram to the current loop:
124 124  
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242 242  
243 243  === X10 – miniUSB connector ===
244 244  
245 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
251 +The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
246 246  
247 247  === X11 – header for high-voltage bus before contactors (plus) ===
248 248  
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334 334  
335 335  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
336 336  
337 -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.
343 +The BMS Main 2R 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.
338 338  
339 339  == Indicators ==
340 340  
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378 378  
379 379  == Connection procedure ==
380 380  
381 -The BMS can connect to batteries with voltage levels dangerous to life and health. When working with high voltage batteries, follow electrical safety rules, use safety glasses, protective clothing, insulated tools and devices.
382 -
383 -(% class="box errormessage" %)
384 -(((
385 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
386 -)))
387 -
388 -(% class="box warningmessage" %)
389 -(((
390 -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.
391 -)))
392 -
393 393  All operations to connect the device must be carried out with the supply voltage removed.
394 394  
395 395  * Connect the power contactors to header X2.
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400 400  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
401 401  * Connect external devices (if necessary) to header X6.
402 402  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
403 -* 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.
397 +* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
404 404  * 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.
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