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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 1.9
edited by Admin
on 2025/02/24 14:12
Change comment: There is no comment for this version
To version 1.7
edited by Admin
on 2025/02/24 14:10
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -43,6 +43,7 @@
43 43  * the current is positive (charging) or zero, and its modulo value is less than the “Tolerant charging current” value for the “Delay before clearing the error” time;
44 44  * the current is negative (discharging), and its modulo value is less than the “Tolerant discharging current” value for the “Delay before clearing the error” time.
45 45  
46 +
46 46  === Undervoltage ===
47 47  
48 48  The BMS Mini device implements battery protection from too low voltage on the cells.
... ... @@ -70,6 +70,7 @@
70 70  
71 71  * the minimum voltage among all cells of the battery is greater than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
72 72  
74 +
73 73  === Overvoltage ===
74 74  
75 75  The BMS Mini device implements battery protection from too high voltage on the cells.
... ... @@ -364,6 +364,11 @@
364 364  
365 365  * the “Delay before clearing the error” time has passed since the error was generated.
366 366  
369 +(% class="box infomessage" %)
370 +(((
371 +If there is the "CH contactor cycles error" error, the **charging** contactor opens.
372 +)))
373 +
367 367  === Discharge contactor cycles protection ===
368 368  
369 369  The BMS Mini device protects the discharging contactor against frequent switching.
... ... @@ -392,6 +392,11 @@
392 392  
393 393  * the “Delay before clearing the error” time has passed since the error was generated.
394 394  
402 +(% class="box infomessage" %)
403 +(((
404 +If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
405 +)))
406 +
395 395  === Temperature sensors ===
396 396  
397 397  The BMS Mini device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
... ... @@ -411,7 +411,7 @@
411 411  
412 412  (% class="box warningmessage" %)
413 413  (((
414 -If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error” **is generated.
426 +If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error” **is generated and **all contactors open.**
415 415  )))
416 416  
417 417  === WDT reset ===
... ... @@ -434,7 +434,7 @@
434 434  
435 435  (% class="box warningmessage" %)
436 436  (((
437 -If there is the "WDT reset" error, the **“Critical error” **is generated.
449 +If there is the "WDT reset" error, the **“Critical error” **is generated and **all contactors open.**
438 438  )))
439 439  
440 440  === Unallowable charging ===
... ... @@ -462,6 +462,11 @@
462 462  
463 463  * the battery current is zero during the “Delay before clearing the error” time.
464 464  
477 +(% class="box infomessage" %)
478 +(((
479 +If there is the "Unallowable charging" error, the **discharging **contactor opens.
480 +)))
481 +
465 465  === Stuck contactor ===
466 466  
467 467  The BMS Mini device protects contactors against sticking.
... ... @@ -477,7 +477,7 @@
477 477  * Delay before clearing the error, second;
478 478  * Lock – a flag to block the error until the device is restarted.
479 479  
480 -If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
497 +If there is a stuck contactor, the “Stuck contactor” error is generated Error generation conditions:
481 481  
482 482  * charging and discharging contactors are open, but the “Charging current present” or “Discharging current present” signal is set.
483 483  
... ... @@ -548,3 +548,8 @@
548 548  * “Insulation fault”.
549 549  
550 550  The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
568 +
569 +(% class="box warningmessage" %)
570 +(((
571 +If there is the “Critical error”, **all contactors open.**
572 +)))