Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56

From 77.1 to 77.2 From 80.2 to 80.3

From version 77.2

edited by Admin
on 2026/03/31 14:19

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To version 80.2

edited by Admin
on 2026/03/31 14:32

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@@ -546,7 +546,7 @@
  Charge/Discharge contactor has three algorithms of operation:
--On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge algorithms and their signals and behaves
++On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge controllers and behaves:
  * as Charging contactor if "Charging" signal is set;
  * as Discharging contactor in other cases.
@@ -560,9 +560,8 @@
  the charging/discharging contactor opens.
++On **Independent (on Charge request or Discharge request)** algorithm charge/discharge contactor is based on its own controller and performs as follows:
--**Independent (on Charge request or Discharge request)** - charge/discharge contactor is based on its own controller and performs as follows:
--
  * 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;
  * 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.
@@ -627,9 +627,9 @@
  The following **balancing rules** are supported:
--* when the battery is charging (current I > 0) and time after until the battery is relaxed;
--* when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
--* always (regardless of battery state).
++* **Balance on charge** – perform balancing when the battery is charging (current I > 0) and time after until the battery is relaxed;
++* **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 ;
++* **always** (regardless of battery state).
  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
@@ -717,10 +717,10 @@
  In this section:
  * **Minimum voltage to power down** – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
--* Idle time to power down – a time of battery inactivity after which the battery is shut down, minute;
--* Wait the "Power up/down request" is cleared (on startup) – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
--* Power down if KEYRUN and CHARGE_ON are cleared – a flag to power down the device if KEYRUN and CHARGE_ON signals are cleared;
--* Delay before setting the internal power down signal – a delay before turning off the device power when removing KEYRUN and CHARGE_ON or receiving the “Power down request” command, ms.
++* **Idle time to power down** – a time of battery inactivity after which the battery is shut down, minute;
++* **Wait the "Power up/down request" is cleared (on startup)** – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
++* **Power down if KEYRUN and CHARGE_ON are cleared** – a flag to power down the device if KEYRUN and CHARGE_ON signals are cleared;
++* **Delay before setting the internal power down signal** – a delay before turning off the device power when removing KEYRUN and CHARGE_ON or receiving the “Power down request” command, ms.
  === Heater ===
@@ -730,22 +730,24 @@
  In this section:
--* Enable – a flag to enable the heater control;
--* Minimum cell temperature, °C;
--* Tolerant cell temperature, °C;
--* Delay before starting the heater, millisecond;
--* Delay before stopping the heater, millisecond;
--* Switch off the heater on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
++* **Enable **– a flag to enable the heater control;
++* **Minimum cell temperature**, °C;
++* **Tolerant cell temperature**, °C;
++* **Delay before starting the heater**, millisecond;
++* **Delay before stopping the heater**, millisecond;
++* **Errors 1, 2 to open the heater** – bitfields to choose the errors which will open the heater.
  As a result of operating the heating algorithm, the “Heater” signal is generated.
  Conditions for signal generation:
--* 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.
++* 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;
++* there are no errors from "Errors 1, 2..." bitfields.
  Conditions for clearing the signal:
--* 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.
++* 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;
++* there is an error from "Errors 1, 2..." bitfields.
  (% class="box infomessage" %)
  (((
@@ -760,22 +760,24 @@
  In this section:
--* Enable – a flag to enable the cooler control;
--* Maximum cell temperature, °C;
--* Tolerant cell temperature, °C;
--* Delay before starting the cooler, millisecond;
--* Delay before stopping the cooler, millisecond;
--* Switch off the cooler contactor on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
++* **Enable** – a flag to enable the cooler control;
++* **Maximum cell temperature**, °C;
++* **Tolerant cell temperature**, °C;
++* **Delay before starting the cooler**, millisecond;
++* **Delay before stopping the cooler**, millisecond;
++* **Errors 1, 2 to open the cooler **– bitfields to choose the errors which will open the cooler.
  As a result of operating the cooling algorithm, the "Cooler" signal is generated.
  Conditions for signal generation:
--* 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.
++* 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;
++* there are no errors from "Errors 1, 2..." bitfields.
  Conditions for clearing the signal:
--* 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.
++* 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;
++* there is an error from "Errors 1, 2..." bitfields.
  (% class="box infomessage" %)
  (((
@@ -784,6 +784,11 @@
  === High voltage ===
++(% class="box warningmessage" %)
++(((
++This section is not available on BMS Main 2R.
++)))
++
  The BMS Main 3 device has an ability to measure high voltages before and after contactors.
  To change the parameters of high voltage fault, select the "Control → High voltage" section:
@@ -792,9 +792,9 @@
  In this section:
--* Enable – a flag to enable High voltage control;
--* Delay before clearing the High voltage fault, second;
--* Lock the High voltage fault.
++* **Enable **– a flag to enable High voltage control;
++* **Delay before clearing the High voltage fault**, second;
++* **Lock the High voltage fault**.
  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.
@@ -807,7 +807,7 @@
  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.
--The BMS Main 3 device can automatically determine the battery discharge characteristic.
++The BMS Main 3 / BMS Main 2R device can automatically determine the battery discharge characteristic.
  Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
@@ -820,18 +820,14 @@
  In this section:
--* Enable – a flag to enable cell analysis;
--* Discharge step, Ah;
--* Delta voltage – a maximum allowable voltage drop for the cell, V;
--* Logic index, Cell index – a position of the analyzed cell;
--* 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).
++* **Enable **– a flag to enable cell analysis;
++* **Discharge step**, Ah;
++* **Delta voltage** – a maximum allowable voltage drop for the cell, V;
++* **Logic index, Cell index** – a position of the analyzed cell;
++* **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).
--Discharge step should be set equal to
++Discharge step should be set equal to С/21, where C is the cell capacity.
--Discharge step= С/21,
--
--where C is the cell capacity.
--
  The discharge characteristic will be constructed for the given cell (its position is determined by the fields “Logic index” and “Cell index”).
  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.

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