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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 77.3
edited by Admin
on 2026/03/31 14:21
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To version 78.4
edited by Admin
on 2026/03/31 14:28
Change comment: There is no comment for this version

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... ... @@ -546,7 +546,7 @@
546 546  
547 547  Charge/Discharge contactor has three algorithms of operation:
548 548  
549 -On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge algorithms and their signals and behaves
549 +On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge controllers and behaves:
550 550  
551 551  * as Charging contactor if "Charging" signal is set;
552 552  * as Discharging contactor in other cases.
... ... @@ -560,9 +560,8 @@
560 560  
561 561  the charging/discharging contactor opens.
562 562  
563 +On **Independent (on Charge request or Discharge request)** algorithm charge/discharge contactor is based on its own controller and performs as follows:
563 563  
564 -**Independent (on Charge request or Discharge request)** - charge/discharge contactor is based on its own controller and performs as follows:
565 -
566 566  * if there is "Charge request" or "Discharge request" signal and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging/discharging contactor closes;
567 567  * If the "Charge request" or "Discharge request" disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the charging/discharging contactor opens.
568 568  
... ... @@ -735,17 +735,19 @@
735 735  * **Tolerant cell temperature**, °C;
736 736  * **Delay before starting the heater**, millisecond;
737 737  * **Delay before stopping the heater**, millisecond;
738 -* **Switch off the heater on errors** – switch off the Heater Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
737 +* **Errors 1, 2 to open the heater** – bitfields to choose the errors which will open the heater.
739 739  
740 740  As a result of operating the heating algorithm, the “Heater” signal is generated.
741 741  
742 742  Conditions for signal generation:
743 743  
744 -* the minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before starting the heater” time.
743 +* the minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before starting the heater” time;
744 +* there are no errors from "Errors 1, 2..." bitfields.
745 745  
746 746  Conditions for clearing the signal:
747 747  
748 -* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time.
748 +* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time;
749 +* there is an error from "Errors 1, 2..." bitfields.
749 749  
750 750  (% class="box infomessage" %)
751 751  (((
... ... @@ -760,22 +760,24 @@
760 760  
761 761  In this section:
762 762  
763 -* Enable – a flag to enable the cooler control;
764 -* Maximum cell temperature, °C;
765 -* Tolerant cell temperature, °C;
766 -* Delay before starting the cooler, millisecond;
767 -* Delay before stopping the cooler, millisecond;
768 -* Switch off the cooler contactor on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
764 +* **Enable** – a flag to enable the cooler control;
765 +* **Maximum cell temperature**, °C;
766 +* **Tolerant cell temperature**, °C;
767 +* **Delay before starting the cooler**, millisecond;
768 +* **Delay before stopping the cooler**, millisecond;
769 +* **Errors 1, 2 to open the cooler **– bitfields to choose the errors which will open the cooler.
769 769  
770 770  As a result of operating the cooling algorithm, the "Cooler" signal is generated.
771 771  
772 772  Conditions for signal generation:
773 773  
774 -* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before starting the cooler” time.
775 +* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before starting the cooler” time;
776 +* there are no errors from "Errors 1, 2..." bitfields.
775 775  
776 776  Conditions for clearing the signal:
777 777  
778 -* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time.
780 +* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time;
781 +* there is an error from "Errors 1, 2..." bitfields.
779 779  
780 780  (% class="box infomessage" %)
781 781  (((
... ... @@ -784,6 +784,11 @@
784 784  
785 785  === High voltage ===
786 786  
790 +(% class="box infomessage" %)
791 +(((
792 +This section is not available on BMS Main 2R.
793 +)))
794 +
787 787  The BMS Main 3 device has an ability to measure high voltages before and after contactors.
788 788  
789 789  To change the parameters of high voltage fault, select the "Control → High voltage" section:
... ... @@ -792,9 +792,9 @@
792 792  
793 793  In this section:
794 794  
795 -* Enable – a flag to enable High voltage control;
796 -* Delay before clearing the High voltage fault, second;
797 -* Lock the High voltage fault.
803 +* **Enable **– a flag to enable High voltage control;
804 +* **Delay before clearing the High voltage fault**, second;
805 +* **Lock the High voltage fault**.
798 798  
799 799  The BMS Main 3 implements a self-diagnostics of high-voltage measurement lines. If measurement line breaks or high-voltage polarity is wrong, “High voltage fault” is generated.
800 800  
... ... @@ -807,7 +807,7 @@
807 807  
808 808  The battery discharge characteristic – the dependence Uocv = Uocv(DOD) – is used to determine the tabular dependence Uocv = Uocv(SOC, t°C), which is necessary for calculating the battery charge level.
809 809  
810 -The BMS Main 3 device can automatically determine the battery discharge characteristic.
818 +The BMS Main 3 / BMS Main 2R device can automatically determine the battery discharge characteristic.
811 811  
812 812  Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
813 813  
... ... @@ -820,16 +820,14 @@
820 820  
821 821  In this section:
822 822  
823 -* Enable – a flag to enable cell analysis;
824 -* Discharge step, Ah;
825 -* Delta voltage – a maximum allowable voltage drop for the cell, V;
826 -* Logic index, Cell index – a position of the analyzed cell;
827 -* Analyse the most discharged cell – a flag to analyse of the least charged cell (in this case, the values “Logic index” and “Cell index” are ignored).
831 +* **Enable **– a flag to enable cell analysis;
832 +* **Discharge step**, Ah;
833 +* **Delta voltage** – a maximum allowable voltage drop for the cell, V;
834 +* **Logic index, Cell index** – a position of the analyzed cell;
835 +* **Analyse the most discharged cell** – a flag to analyse of the least charged cell (in this case, the values “Logic index” and “Cell index” are ignored).
828 828  
829 -Discharge step should be set equal to
837 +Discharge step should be set equal to С/21,
830 830  
831 -Discharge step= С/21,
832 -
833 833  where C is the cell capacity.
834 834  
835 835  The discharge characteristic will be constructed for the given cell (its position is determined by the fields “Logic index” and “Cell index”).