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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 78.1
edited by Admin
on 2026/03/31 14:24
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To version 82.1
edited by Admin
on 2026/04/02 09:29
Change comment: There is no comment for this version

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... ... @@ -15,7 +15,7 @@
15 15  * **Cell capacity** – nominal capacity of cells, Ah;
16 16  * **Cell resistance** – nominal (maximum) internal resistance of the cells, Ohm;
17 17  * **Connection of cells:**
18 -** **Serial **– all cells are connected in series in a single string.
18 +** **Serial **– all cells are connected in series in a single string;
19 19  ** **Parallel-Serial **– cells are grouped in parallel and serial items;
20 20  * **Parallel-Serial: Number of Logic devices in a chain**;
21 21  * **Parallel-Serial: Number of parallel chains in a block**;
... ... @@ -626,9 +626,9 @@
626 626  
627 627  The following **balancing rules** are supported:
628 628  
629 -* when the battery is charging (current I > 0) and time after until the battery is relaxed;
630 -* when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
631 -* always (regardless of battery state).
629 +* **Balance on charge** – perform balancing when the battery is charging (current I > 0) and time after until the battery is relaxed;
630 +* **Balance on charge or relaxed** – perform balancing when the battery is charging (current I > 0) or when the battery is in a state of relaxation ​​​​​;
631 +* **Balance always** regardless of battery state.
632 632  
633 633  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
634 634  
... ... @@ -645,9 +645,9 @@
645 645  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
646 646  )))
647 647  
648 -The BMS Main 3 / BMS Main 2R can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
648 +The BMS Main 3 / BMS Main 2R can enable the cell balancing by the external **“Balancing request”** signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
649 649  
650 -BMS Main 3 / BMS Main 2R can force a cell balancing, if its voltage is higher than estimated value.
650 +BMS Main 3 / BMS Main 2R can **force balancing **of the cell, if its voltage is higher than estimated value.
651 651  
652 652  To change the cell balancing parameters, select the "Control → Cell balancing" section:
653 653  
... ... @@ -707,7 +707,7 @@
707 707  * the battery voltage is below the minimum level;
708 708  * the “Charger connected” signal is cleared for 60 seconds.
709 709  
710 -The BMS Main 3 device also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the configured time.
710 +The BMS Main 3 device also shuts down the battery if it **stays for a long time **in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” state.
711 711  
712 712  To change the parameters of the power down control, select the "Control → Power down" section:
713 713  
... ... @@ -741,11 +741,12 @@
741 741  Conditions for signal generation:
742 742  
743 743  * 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**
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 warningmessage" %)
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  
... ... @@ -820,18 +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, where C is the cell capacity.
830 830  
831 -Discharge step= С/21,
832 -
833 -where C is the cell capacity.
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”).
836 836  
837 837  The algorithm for determining the discharge characteristic of the battery will be started if the “Enable” flag is set. From this moment, the control of the discharge contactor is performed by this algorithm.