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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/27 13:04
From version 28.2
edited by Admin
on 2026/04/27 13:02
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To version 19.1
edited by Admin
on 2025/11/10 11:11
Change comment: Uploaded new attachment "1762773073782-768.png", version {1}

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252 252  If there is the "Battery cover error", the **“Critical error” **is generated.
253 253  )))
254 254  
255 -=== High board temperature ===
256 -
257 -BMS Mini monitors its temperature and disables the cell balancing when it overheats.
258 -
259 -To change the overheating protection parameters of BMS Logic devices, select the "Protections → High Logic temperature" section:
260 -
261 261  === Cell monitor offline ===
262 262  
263 263  The BMS Mini device checks if there is connection with cell monitor and set an error if not.
... ... @@ -315,35 +315,6 @@
315 315  If there is the "Cell count error", the **“Critical error” **is generated.
316 316  )))
317 317  
318 -=== Temperature sensor count ===
319 -
320 -To change the protection parameters from the mismatch of the number of temperature sensors to the set value, select the "Protections → Temperature sensor count" section:
321 -
322 -[[image:1762773073782-768.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
323 -
324 -In this section:
325 -
326 -* Enable – a flag to enable the protection;
327 -* Number of cells – a number of temperature sensors connected to the BMS;
328 -* Delay before setting the error, millisecond;
329 -* Delay before clearing the error, second;
330 -* Lock – a flag to block the error until the device is restarted.
331 -
332 -As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
333 -
334 -Error generation conditions:
335 -
336 -* the number of temperature sensors connected to the BMS is **not equal** to the “Number of temperature sensors” value during the “Delay before setting the error” time.
337 -
338 -Conditions for removing the error:
339 -
340 -* the number of temperature sensors connected to the BMS is **equal** to the “Number of temperature sensors” value during the “Delay before clearing the error” time.
341 -
342 -(% class="box warningmessage" %)
343 -(((
344 -If there is the "T-sensor count error", the **“Critical error” **is generated**.**
345 -)))
346 -
347 347  === Short circuit ===
348 348  
349 349  The BMS Mini device implements a protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
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439 439  If there is the “Current sensor error”, the **“Critical error” **is generated.
440 440  )))
441 441  
442 -=== MOSFET ===
443 -
444 -BMS Mini S device checks the status of MOSFET switches that are used to control the contactors. To change the parameters of the MOSFET switch protection, select the "Protections → MOSFET " section:
445 -
446 -[[image:1762773566548-852.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]]
447 -
448 -In this section:
449 -
450 -* Delay before clearing the error, second;
451 -* Lock – a flag to block the error until the device is restarted.
452 -
453 -The “MOSFET error” occurs when the device detects a shortage in contactor coil control circuit or an overheating of the MOSFET switch. Error is removed when the temperature of MOSFET switch is normal during “Delay before clearing the error” time.
454 -
455 -(% class="box warningmessage" %)
456 -(((
457 -If there is the "MOSFET error", the **“Critical error” **is generated.
458 -)))
459 -
460 460  === Charge contactor cycles ===
461 461  
462 462  The BMS Mini device protects the charging contactor against frequent switching.
... ... @@ -484,7 +484,7 @@
484 484  
485 485  * the “Delay before clearing the error” time has passed since the error was generated.
486 486  
487 -=== Discharge contactor cycles ===
434 +=== Discharge contactor cycles protection ===
488 488  
489 489  The BMS Mini device protects the discharging contactor against frequent switching.
490 490  
... ... @@ -659,7 +659,7 @@
659 659  
660 660  To change the critical error parameters, select the "Protections → Critical error" section:
661 661  
662 -[[image:1762775067035-203.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="143" width="800"]]
609 +[[image:1733748083469-183.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
663 663  
664 664  In this section:
665 665  
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666 666  * Enable – a flag to enable the protection;
667 667  * Delay before setting the error, millisecond;
668 668  * Delay before clearing the error, second;
669 -* Errors 1,2 to ignore when setting the critical error;
670 670  * Lock – a flag to block the error until the device is restarted.
671 671  
672 672  The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time.
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