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Changes for page 3.4 Protections

Last modified by Admin on 2025/11/10 11:45
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433 433  If there is the “Current sensor error”, the **“Critical error” **is generated.
434 434  )))
435 435  
436 +=== MOSFET ===
437 +
438 +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:
439 +
440 +[[image:1762773566548-852.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]]
441 +
442 +In this section:
443 +
444 +* Delay before clearing the error, second;
445 +* Lock – a flag to block the error until the device is restarted.
446 +
447 +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.
448 +
449 +(% class="box warningmessage" %)
450 +(((
451 +If there is the "MOSFET error", the **“Critical error” **is generated.
452 +)))
453 +
436 436  === Charge contactor cycles ===
437 437  
438 438  The BMS Mini device protects the charging contactor against frequent switching.
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460 460  
461 461  * the “Delay before clearing the error” time has passed since the error was generated.
462 462  
463 -=== Discharge contactor cycles protection ===
481 +=== Discharge contactor cycles ===
464 464  
465 465  The BMS Mini device protects the discharging contactor against frequent switching.
466 466  
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635 635  
636 636  To change the critical error parameters, select the "Protections → Critical error" section:
637 637  
638 -[[image:1733748083469-183.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
656 +[[image:1762775067035-203.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="143" width="800"]]
639 639  
640 640  In this section:
641 641  
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642 642  * Enable – a flag to enable the protection;
643 643  * Delay before setting the error, millisecond;
644 644  * Delay before clearing the error, second;
663 +* Errors 1,2 to ignore when setting the critical error;
645 645  * Lock – a flag to block the error until the device is restarted.
646 646  
647 647  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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