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Changes for page 3.6 Battery protection

Last modified by Admin on 2025/04/09 12:25
From version 4.19
edited by Admin
on 2024/11/21 18:24
Change comment: There is no comment for this version
To version 4.23
edited by Admin
on 2024/11/21 18:28
Change comment: There is no comment for this version

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... ... @@ -534,25 +534,231 @@
534 534  To change the protection parameters from loss of communication with BMS Logic boards, select the menu "Protections → Logic offline protection":
535 535  
536 536  
537 +In this section:
537 537  
539 +* Enable – a flag to enable the protection;
540 +* Lock the error until the device is reset.
541 +
542 +As a result of the protection from loss of communication with BMS Logic boards, the "Logic offline" error is generated.
543 +
544 +Error generation conditions:
545 +
546 +* at least one of the connected BMS Logic boards does not respond to the commands of the BMS Main 2.x board for 10 seconds.
547 +
548 +Conditions for removing the error:
549 +
550 +* all connected BMS Logic boards respond to the commands of the BMS Main 2.x board.
551 +
552 +(% class="box warningmessage" %)
553 +(((
554 +**If there is the "Logic offline" error, the “Critical error” is generated and all relays open.**
555 +)))
556 +
538 538  == 3.6.20 Cell count protection ==
539 539  
559 +To change the protection parameters from the mismatch of the number of cells to the set value, select the menu "Protections → Cell count protection":
560 +
561 +
562 +In this section:
563 +
564 +* Enable – a flag to enable the protection;
565 +* Cell count – a number of cells connected to the BMS;
566 +* Delay before setting the error, second;
567 +* Delay before clearing the error, second;
568 +* Lock the error until the device is reset.
569 +
570 +As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
571 +
572 +Error generation conditions:
573 +
574 +* the number of cells connected to the BMS is **not equal** to the “Cell count” value during the “Delay before setting the error” time.
575 +
576 +Conditions for removing the error:
577 +
578 +* the number of cells connected to the BMS is **equal** to the “Cell count” value during the “Delay before clearing the error” time.
579 +
580 +(% class="box warningmessage" %)
581 +(((
582 +**If there is the "Cell count error", the “Critical error” is generated and all relays open.**
583 +)))
584 +
540 540  == 3.6.21 Logic count protection ==
541 541  
587 +To change the protection parameters from the mismatch of the number of BMS Logic boards to the set value, select the menu "Protections → Logic count protection":
588 +
589 +
590 +In this section:
591 +
592 +* Enable – a flag to enable the protection;
593 +* Logic count – a number of BMS Logic boards connected to the BMS Main 2.x;
594 +* Fast scan – a flag to scan BMS Logic boards fast (boards with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
595 +* Lock the error until the device is reset.
596 +
597 +As a result of the operation of the protection from the mismatch of the number of BMS Logic boards, the "Logic count error" is generated.
598 +
599 +Error generation conditions:
600 +
601 +* the number of BMS Logic boards connected to the BMS Main 2.x is **not equal** to the “Logic count” value.
602 +
603 +Conditions for removing the error:
604 +
605 +* the number of BMS Logic boards connected to the BMS Main is **equal** to the “Logic count” value.
606 +
607 +(% class="box warningmessage" %)
608 +(((
609 +**If there is the "Logic count error", the “Critical error” is generated and all relays open.**
610 +)))
611 +
542 542  == 3.6.22 WDT protection ==
543 543  
614 +If the BMS firmware hangs, the watchdog timer resets the board. The BMS can detect that the board was reset and generates the “WDT reset” error.
615 +
616 +To change the parameters of the watchdog protection, select the menu "Protections → WDT protection":
617 +
618 +
619 +In this section:
620 +
621 +* Enable – a flag to enable the protection;
622 +* Delay before clearing the error, second;
623 +* Lock the error until the device is reset.
624 +
625 +Conditions for removing the error:
626 +
627 +* the “Delay before clearing the error” time has passed from the board startup.
628 +
629 +(% class="box warningmessage" %)
630 +(((
631 +**If there is the "WDT reset" error, the “Critical error” is generated and all relays open.**
632 +)))
633 +
544 544  == 3.6.23 Insulation monitoring ==
545 545  
636 +BMS Main 2.x can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
637 +
638 +To change the insulation monitoring parameters, select the menu "Protections → Insulation monitoring":
639 +
640 +
641 +In this section:
642 +
643 +* Enable – a flag to enable the protection;
644 +* Delay before setting the error, second;
645 +* Delay before clearing the error, second;
646 +* Lock the error until the device is reset.
647 +
648 +Error is set if corresponding discrete input is set up and it received logical zero.
649 +
546 546  == 3.6.24 Critical error parameters ==
547 547  
652 +To change the critical error parameters, select the menu "Protections → Critical error parameters":
653 +
654 +
655 +In this section:
656 +
657 +* Enable – a flag to enable the protection;
658 +* Delay before setting the error, second;
659 +* Delay before clearing the error, second;
660 +* Lock the error until the device is reset.
661 +
662 +The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
663 +
664 +* “Battery cover error”;
665 +* “Water”;
666 +* “Logic offline”;
667 +* “Cell count error”;
668 +* “Logic count error”;
669 +* “ADC error”;
670 +* “No temp. sensors”;
671 +* “Temp. sensor is shorted”;
672 +* “Current sensor error”;
673 +* “Shunt offline”;
674 +* “Shunt error”;
675 +* “Settings error”;
676 +* “WDT reset”.
677 +
678 +The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
679 +
680 +(% class="box warningmessage" %)
681 +(((
682 +**If there is the “Critical error”, all relays open.**
683 +)))
684 +
548 548  == 3.6.25 General error parameters ==
549 549  
550 550  == 3.6.26 Low SOC signal ==
551 551  
689 +To change the parameters of the generation a signal about low battery level, select the menu "Protections → Low SOC signal":
690 +
691 +
692 +In this section:
693 +
694 +* Enable – a flag to enable signal generation;
695 +* Minimum SOC, %;
696 +* Tolerant SOC, %;
697 +* Delay before setting the signal, second;
698 +* Delay before clearing the signal, second;
699 +* Lock the signal until the device is reset.
700 +
701 +Signal generation conditions:
702 +
703 +* the battery SOC is less than the “Minimum SOC” value during the “Delay before setting the signal” time.
704 +
705 +Conditions for clearing the signal:
706 +
707 +* the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
708 +
709 +The "Low SOC signal" is //indicative //and can be linked to any discrete output of the board.
710 +
552 552  == 3.6.27 High charging current signal ==
553 553  
713 +To change the parameters of the generation high-current signal, select the menu "Protections → High charging current signal":
714 +
715 +
716 +In this section:
717 +
718 +* Enable – a flag to enable signal generation;
719 +* Maximum charging current, А;
720 +* Tolerant charging current, А;
721 +* Delay before setting the signal, second;
722 +* Delay before clearing the signal, second;
723 +* Lock the signal until the device is reset.
724 +
725 +Signal generation conditions:
726 +
727 +* the measured current is greater than the “Maximum charging current” value during the “Delay before setting the signal” time.
728 +
729 +Conditions for clearing the signal:
730 +
731 +* the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
732 +
733 +The "High charging current" signal is //indicative //and can be linked to any discrete output of the board.
734 +
554 554  == 3.6.28 Heater control ==
555 555  
737 +To change the parameters of the heater control algorithm, select the menu "Protections → Heater control":
738 +
739 +
740 +In this section:
741 +
742 +* Enable – a flag to enable heater control;
743 +* Minimum cell temperature, °C;
744 +* Tolerant cell temperature, °C;
745 +* Delay before setting the signal, second;
746 +* Delay before clearing the signal, second;
747 +* Lock the signal until the device is reset;
748 +* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
749 +
750 +As a result of operating the heating algorithm, the “Heater” signal is generated.
751 +
752 +Conditions of signal generation:
753 +
754 +* The minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before setting the signal” time.
755 +
756 +Conditions for clearing the signal:
757 +
758 +* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
759 +
760 +If there is the "Heater" signal, the heater relay closes and/or a signal is output to the corresponded digital output.
761 +
556 556  == 3.6.29 Heater (AUX) control ==
557 557  
558 558  == 3.6.30 Cooler control ==