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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:19
From version 23.4
edited by Admin
on 2025/02/11 14:45
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To version 20.1
edited by Admin
on 2024/12/26 15:41
Change comment: There is no comment for this version

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6 6  
7 7  The BMS Main 3 device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8 8  
9 -(% class="box errormessage" %)
9 +(% class="box warningmessage" %)
10 10  (((
11 11  **Attention!**
12 12  Behavior of contactors at different errors is configured in **corresponding contactor settings**!
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507 507  If there is the "Power switch error", the **“Critical error” **is generated.
508 508  )))
509 509  
510 -=== Power fault ===
511 -
512 -BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
513 -
514 -(% class="box infomessage" %)
515 -(((
516 -**Note:** this error can be configured only under** "Service" account**.
517 -)))
518 -
519 -To change the parameters of the power fault error, select the "Protections → Power fault" section:
520 -
521 -[[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
522 -
523 -In this section:
524 -
525 -* Delay before clearing the error, second;
526 -* Delay before setting the error, millisecond;
527 -* Time to keep power off, millisecond;
528 -* Delay before clearing the error, millisecond;
529 -* Lock – a flag to block the error until the device is restarted.
530 -
531 -The “Power fault” occurs when the device detects a shortage or high power consumption in power supplies mentioned above. Error is removed when the power consumption is normal during “Delay before clearing the error” time.
532 -
533 -(% class="box warningmessage" %)
534 -(((
535 -If there is the "Power fault", the **“Critical error” **is generated.
536 -)))
537 -
538 538  === Charge contactor cycles ===
539 539  
540 540  The BMS Main 3 device protects the charging contactor against frequent switching.
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761 761  
762 762  === Critical error ===
763 763  
764 -Some of the errors are system critical. A separate signal named "Critical error" indicates a system misbehaviour.
765 -
766 766  To change the critical error parameters, select the "Protections → Critical error" section:
767 767  
768 768  [[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
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774 774  * Delay before clearing the error, second;
775 775  * Lock – a flag to block the error until the device is restarted.
776 776  
777 -The "Critical error" flag 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:
747 +The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
778 778  
779 -The “Critical error” flag is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
749 +* “Battery cover error”;
750 +* “Water”;
751 +* “Logic offline”;
752 +* “Cell count error”;
753 +* “ADC error”;
754 +* “Current sensor error”;
755 +* “Shunt offline”;
756 +* “Shunt error”;
757 +* “WDT reset”
758 +* “No temp. sensors”;
759 +* “Temperature sensor shorted”;
760 +* “Stuck contactor”;
761 +* “CH contactor feedback error”;
762 +* “DCH contactor feedback error”;
763 +* “Insulation fault”;
764 +* “PCH contactor feedback error”;
765 +* “CH/DCH contactor feedback error”;
766 +* “Main contactor feedback error”;
767 +* “High voltage fault”;
768 +* “Power switch error”;
769 +* “HVIL error”;
770 +* “Power fault”.
780 780  
772 +The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
773 +
781 781  === General error ===
782 782  
783 783  To change the general error parameters, select the "Protections → Critical error" section:
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