Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:58

From 55.4 to 56.1 From 57.1 to 58.1

From version 56.1

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on 2026/04/30 15:45

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To version 57.1

edited by Admin
on 2026/04/30 15:47

Change comment: Uploaded new attachment "1777564033994-545.png", version {1}

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@@ -231,17 +231,17 @@
  In this section:
--* Enable – a flag to start calculation of the discharge current limit;
--* Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
--* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
--* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
--* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
--* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
--* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
--* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
--* Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
--* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
--* Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
++* **Enable **– a flag to start calculation of the discharge current limit;
++* **Maximum discharge current** – a maximum allowable value of the discharge current (under normal conditions), A;
++* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s;
++* **Option 1: Limit discharging current by the battery SOC and temperature** – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
++* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature;
++* **Option 2: Limit discharge current by the contactor temperature** – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
++* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature;
++* **Option 3: Limit discharge current by the cell voltage** – a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
++* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on minimum cell voltage;
++* **Option 4: Limit discharge current by the cell temperature** – a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
++* **Option 4: Cell voltage x Factor** – the dependence of the correction factor on minimum cell temperature.
  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
@@ -249,26 +249,23 @@
  === Main contactor ===
--The BMS Mini S / BMS Mini device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in a case of sealing of the charging or discharging contactors.
++The BMS Mini S / BMS Mini device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
  The Main contactor algorithm supports the following modes:
--* Always on;
--* Automatic.
++In **“Always on”** mode main contactor closes if all the following is true:
--In “Always on” mode main contactor closes if all the following is true:
--
  * Other contactors are open;
--* There are no errors from the "Errors 1, 2 ..." bitfileds.
++* There are __no errors__ from the "Errors 1, 2 ..." bitfileds.
--In “Always on” mode main contactor opens if all the following is true:
++and opens if all the following is true:
  * Other contactors are open;
--* There is an error from the the "Errors 1, 2 ..." bitfileds.
++* There is __an error__ from the the "Errors 1, 2 ..." bitfileds.
--In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
++In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors.
--In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
++In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request.
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@@ -277,38 +277,38 @@
  To change the parameters of the main contactor, select the "Control → Main contactor" section:
--[[image:1740397558976-651.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" width="800"]]
++[[image:1777563933065-421.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]]
  In this section:
--* Enable – a flag to enable the main contactor control;
--* Algorithm – main contactor control algorithm:
--** Always on – contactor is always closed;
--** Automatic – contactor closes by internal charge and discharge algorithms;
--** On demand – contactor is closed by an external request;
--* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
--* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
--* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
--* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
++* **Enable **– a flag to enable the main contactor control;
++* **Algorithm** – main contactor control algorithm:
++** **Always on** – contactor is always closed;
++** **Automatic** – contactor closes by internal charge and discharge algorithms;
++** **On demand** – contactor is closed by an external request;
++* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed;
++* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s;
++* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset;
++* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor.
  === Charging status ===
  To change the parameters of charging process status, select the "Control → Charging status" section:
--[[image:1762774819522-147.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="140" width="800"]]
++
  In this section:
--* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
--* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
--* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
--* Use actual voltage to generate the "Ready to charge" signal if the current is negative – a flag to disable voltage correction for "Ready to charge" signal only at discharging current;
--* Voltage to clear the “Ready to charge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
--* Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
--* Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
--* Check the 'Charge current limit' value to generate the 'Ready to charge' – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
--* Charge current limit to clear the 'Ready to charge' – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
--* Charge current limit to set the 'Ready to charge' – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
--* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
++* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A;
++* **Current to clear the "Charging current present"** – a current level to clear the "Charging current present" signal, A;
++* **Voltage to clear the “Ready to charge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
++* **Voltage to reset the “Ready to charge”** – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
++* **Use actual voltage to generate the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal;
++* **Treat negative currents as zero currents for generating the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal at discharging current;
++* **Delay before recharging** – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
++* **Check the 'Charge current limit' value to generate the 'Ready to charge'** – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
++* **Charge current limit to clear the 'Ready to charge'** – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
++* **Charge current limit to set the 'Ready to charge'** – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
++* **Errors 1, 2 to clear the "Ready to charge"** – bitfields to choose the errors which will clear the "Ready to charge" signal.
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