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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
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To version 6.2
edited by Admin
on 2024/11/21 18:33
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70 70  
71 71  To change the battery protection parameters from high voltage on the cells, select the menu "Protections → Overvoltage protection":
72 72  
73 -[[image:1732212357972-295.png]]
73 +[[Overvoltage protection settings>>image:1732212357972-295.png||data-xwiki-image-style-alignment="center" height="218" width="338"]]
74 74  
75 75  In this section:
76 76  
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103 103  
104 104  To change the battery protection parameters from low temperature, select the menu "Protections → Low temperature protection":
105 105  
106 +[[Low temperature protection settings>>image:1732213953083-955.png||data-xwiki-image-style-alignment="center" height="237" width="338"]]
106 106  
107 107  In this section:
108 108  
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137 137  
138 138  To change the battery protection parameters from high temperature, select the menu "Protections → High temperature protection":
139 139  
141 +[[image:1732213990755-759.png]]
140 140  
141 141  In this section:
142 142  
... ... @@ -534,27 +534,334 @@
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  
539 +In this section:
537 537  
541 +* Enable – a flag to enable the protection;
542 +* Lock the error until the device is reset.
543 +
544 +As a result of the protection from loss of communication with BMS Logic boards, the "Logic offline" error is generated.
545 +
546 +Error generation conditions:
547 +
548 +* 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.
549 +
550 +Conditions for removing the error:
551 +
552 +* all connected BMS Logic boards respond to the commands of the BMS Main 2.x board.
553 +
554 +(% class="box warningmessage" %)
555 +(((
556 +**If there is the "Logic offline" error, the “Critical error” is generated and all relays open.**
557 +)))
558 +
538 538  == 3.6.20 Cell count protection ==
539 539  
561 +To change the protection parameters from the mismatch of the number of cells to the set value, select the menu "Protections → Cell count protection":
562 +
563 +
564 +In this section:
565 +
566 +* Enable – a flag to enable the protection;
567 +* Cell count – a number of cells connected to the BMS;
568 +* Delay before setting the error, second;
569 +* Delay before clearing the error, second;
570 +* Lock the error until the device is reset.
571 +
572 +As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
573 +
574 +Error generation conditions:
575 +
576 +* the number of cells connected to the BMS is **not equal** to the “Cell count” value during the “Delay before setting the error” time.
577 +
578 +Conditions for removing the error:
579 +
580 +* the number of cells connected to the BMS is **equal** to the “Cell count” value during the “Delay before clearing the error” time.
581 +
582 +(% class="box warningmessage" %)
583 +(((
584 +**If there is the "Cell count error", the “Critical error” is generated and all relays open.**
585 +)))
586 +
540 540  == 3.6.21 Logic count protection ==
541 541  
589 +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":
590 +
591 +
592 +In this section:
593 +
594 +* Enable – a flag to enable the protection;
595 +* Logic count – a number of BMS Logic boards connected to the BMS Main 2.x;
596 +* 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);
597 +* Lock the error until the device is reset.
598 +
599 +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.
600 +
601 +Error generation conditions:
602 +
603 +* the number of BMS Logic boards connected to the BMS Main 2.x is **not equal** to the “Logic count” value.
604 +
605 +Conditions for removing the error:
606 +
607 +* the number of BMS Logic boards connected to the BMS Main is **equal** to the “Logic count” value.
608 +
609 +(% class="box warningmessage" %)
610 +(((
611 +**If there is the "Logic count error", the “Critical error” is generated and all relays open.**
612 +)))
613 +
542 542  == 3.6.22 WDT protection ==
543 543  
616 +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.
617 +
618 +To change the parameters of the watchdog protection, select the menu "Protections → WDT protection":
619 +
620 +
621 +In this section:
622 +
623 +* Enable – a flag to enable the protection;
624 +* Delay before clearing the error, second;
625 +* Lock the error until the device is reset.
626 +
627 +Conditions for removing the error:
628 +
629 +* the “Delay before clearing the error” time has passed from the board startup.
630 +
631 +(% class="box warningmessage" %)
632 +(((
633 +**If there is the "WDT reset" error, the “Critical error” is generated and all relays open.**
634 +)))
635 +
544 544  == 3.6.23 Insulation monitoring ==
545 545  
638 +BMS Main 2.x can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
639 +
640 +To change the insulation monitoring parameters, select the menu "Protections → Insulation monitoring":
641 +
642 +
643 +In this section:
644 +
645 +* Enable – a flag to enable the protection;
646 +* Delay before setting the error, second;
647 +* Delay before clearing the error, second;
648 +* Lock the error until the device is reset.
649 +
650 +Error is set if corresponding discrete input is set up and it received logical zero.
651 +
546 546  == 3.6.24 Critical error parameters ==
547 547  
654 +To change the critical error parameters, select the menu "Protections → Critical error parameters":
655 +
656 +
657 +In this section:
658 +
659 +* Enable – a flag to enable the protection;
660 +* Delay before setting the error, second;
661 +* Delay before clearing the error, second;
662 +* Lock the error until the device is reset.
663 +
664 +The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
665 +
666 +* “Battery cover error”;
667 +* “Water”;
668 +* “Logic offline”;
669 +* “Cell count error”;
670 +* “Logic count error”;
671 +* “ADC error”;
672 +* “No temp. sensors”;
673 +* “Temp. sensor is shorted”;
674 +* “Current sensor error”;
675 +* “Shunt offline”;
676 +* “Shunt error”;
677 +* “Settings error”;
678 +* “WDT reset”.
679 +
680 +The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
681 +
682 +(% class="box warningmessage" %)
683 +(((
684 +**If there is the “Critical error”, all relays open.**
685 +)))
686 +
548 548  == 3.6.25 General error parameters ==
549 549  
550 550  == 3.6.26 Low SOC signal ==
551 551  
691 +To change the parameters of the generation a signal about low battery level, select the menu "Protections → Low SOC signal":
692 +
693 +
694 +In this section:
695 +
696 +* Enable – a flag to enable signal generation;
697 +* Minimum SOC, %;
698 +* Tolerant SOC, %;
699 +* Delay before setting the signal, second;
700 +* Delay before clearing the signal, second;
701 +* Lock the signal until the device is reset.
702 +
703 +Signal generation conditions:
704 +
705 +* the battery SOC is less than the “Minimum SOC” value during the “Delay before setting the signal” time.
706 +
707 +Conditions for clearing the signal:
708 +
709 +* the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
710 +
711 +The "Low SOC signal" is //indicative //and can be linked to any discrete output of the board.
712 +
552 552  == 3.6.27 High charging current signal ==
553 553  
715 +To change the parameters of the generation high-current signal, select the menu "Protections → High charging current signal":
716 +
717 +
718 +In this section:
719 +
720 +* Enable – a flag to enable signal generation;
721 +* Maximum charging current, А;
722 +* Tolerant charging current, А;
723 +* Delay before setting the signal, second;
724 +* Delay before clearing the signal, second;
725 +* Lock the signal until the device is reset.
726 +
727 +Signal generation conditions:
728 +
729 +* the measured current is greater than the “Maximum charging current” value during the “Delay before setting the signal” time.
730 +
731 +Conditions for clearing the signal:
732 +
733 +* the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
734 +
735 +The "High charging current" signal is //indicative //and can be linked to any discrete output of the board.
736 +
554 554  == 3.6.28 Heater control ==
555 555  
739 +To change the parameters of the heater control algorithm, select the menu "Protections → Heater control":
740 +
741 +
742 +In this section:
743 +
744 +* Enable – a flag to enable heater control;
745 +* Minimum cell temperature, °C;
746 +* Tolerant cell temperature, °C;
747 +* Delay before setting the signal, second;
748 +* Delay before clearing the signal, second;
749 +* Lock the signal until the device is reset;
750 +* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
751 +
752 +As a result of operating the heating algorithm, the “Heater” signal is generated.
753 +
754 +Conditions of signal generation:
755 +
756 +* 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.
757 +
758 +Conditions for clearing the signal:
759 +
760 +* 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.
761 +
762 +(% class="box infomessage" %)
763 +(((
764 +If there is the "Heater" signal, the heater relay closes and/or a signal is output to the corresponded digital output.
765 +)))
766 +
556 556  == 3.6.29 Heater (AUX) control ==
557 557  
769 +To change the parameters of the auxiliary heater control algorithm, select the menu "Protections → Heater (AUX) control":
770 +
771 +
772 +In this section:
773 +
774 +* Enable – a flag to enable heater control;
775 +* Minimum cell temperature, °C;
776 +* Tolerant cell temperature, °C;
777 +* Delay before setting the signal, second;
778 +* Delay before clearing the signal, second;
779 +* Lock the signal until the device is reset;
780 +* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
781 +
782 +As a result of operating the heating algorithm, the “Heater (AUX)” signal is generated.
783 +
784 +Conditions of signal generation:
785 +
786 +* 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.
787 +
788 +Conditions for clearing the signal:
789 +
790 +* 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.
791 +
792 +(% class="box infomessage" %)
793 +(((
794 +If there is the "Heater (AUX)" signal, the auxiliary heater relay closes and/or a signal is output to the corresponded digital output.
795 +)))
796 +
558 558  == 3.6.30 Cooler control ==
559 559  
799 +To change the parameters of the cooler control algorithm, select the menu "Protections → Cooler control":
800 +
801 +
802 +In this section:
803 +
804 +* Enable – a flag to enable cooler control;
805 +* Maximum cell temperature, °C;
806 +* Tolerant cell temperature, °C;
807 +* Delay before setting the signal, second;
808 +* Delay before clearing the signal, second;
809 +* Lock the signal until the device is reset;
810 +* Switch off the cooler relay on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
811 +
812 +As a result of operating the cooling algorithm, the "Cooler" signal is generated.
813 +
814 +Conditions of signal generation:
815 +
816 +* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before setting the signal” time.
817 +
818 +Conditions for clearing the signal:
819 +
820 +* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
821 +
822 +(% class="box infomessage" %)
823 +(((
824 +If there is the "Cooler" signal, the cooler relay closes and/or a signal is output to the corresponded digital output.
825 +)))
826 +
560 560  == 3.6.31 Fault simulation ==
828 +
829 +The board provides the ability to manually generate error flags bypassing the protection algorithms. This functionality is intended for commissioning.
830 +
831 +To simulate battery and BMS errors, select the menu "Protections → Fault simulation":
832 +
833 +
834 +In this section:
835 +
836 +* Overcurrent;
837 +* Undervoltage;
838 +* Overvoltage;
839 +* Low CH temperature;
840 +* Low DCH temperature;
841 +* High CH temperature;
842 +* High DCH temperature;
843 +* Battery cover error;
844 +* High humidity;
845 +* Water;
846 +* Current sensor error;
847 +* Short circuit;
848 +* Contactor high temperature;
849 +* Unallowable charging;
850 +* Stuck contactor;
851 +* CH contactor feedback error;
852 +* DCH contactor feedback error;
853 +* PCH contactor feedback error;
854 +* CH/DCH contactor feedback error;
855 +* Main contactor feedback error;
856 +* CH contactor cycles error;
857 +* DCH contactor cycles error;
858 +* Logic high temperature;
859 +* Logic offline;
860 +* Cell count error;
861 +* Logic count error;
862 +* Insulation error;
863 +* Critical error;
864 +* Low SOC;
865 +* High charging current;
866 +* Heater;
867 +* Cooler.
868 +
869 +To simulate errors, set the necessary flags and click on the "Save" button.
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