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Last modified by Admin on 2026/04/02 13:49
From version 56.1
edited by Admin
on 2025/02/20 13:10
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To version 81.1
edited by Admin
on 2026/03/25 16:30
Change comment: Uploaded new attachment "1732198937514-731.png", version {1}

Summary

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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 +== 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" %)
11 +(((
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.
13 +)))
14 +
15 +(% class="box errormessage" %)
16 +(((
17 +The system is not designed to operate with batteries whose total voltage exceeds 3000 V.
18 +)))
19 +
4 4  == Installation procedure ==
5 5  
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.
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.
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 / BMS Main 3X device are shown below.
35 +The location and designation of connectors on the BMS Main 2R device are shown below.
20 20  
21 21  (% contenteditable="false" tabindex="-1" %)
22 22  (((
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108 108  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
109 109  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
110 110  
111 - 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.
112 112  
113 113  Connection diagram to the current loop:
114 114  
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232 232  
233 233  === X10 – miniUSB connector ===
234 234  
235 -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.
236 236  
237 237  === X11 – header for high-voltage bus before contactors (plus) ===
238 238  
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324 324  
325 325  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
326 326  
327 -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.
328 328  
329 329  == Indicators ==
330 330  
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368 368  
369 369  == Connection procedure ==
370 370  
371 -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.
372 -
373 -(% class="box errormessage" %)
374 -(((
375 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
376 -)))
377 -
378 -(% class="box warningmessage" %)
379 -(((
380 -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.
381 -)))
382 -
383 383  All operations to connect the device must be carried out with the supply voltage removed.
384 384  
385 385  * Connect the power contactors to header X2.
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390 390  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
391 391  * Connect external devices (if necessary) to header X6.
392 392  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
393 -* 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.
394 394  * 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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