Changes for page 3.3 Control

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

From 55.4 to 55.3

From version 59.1

edited by Admin
on 2026/04/30 15:58

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To version 55.4

edited by Admin
on 2026/04/30 15:44

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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:
@@ -249,23 +249,26 @@
  === 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 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 a case of sealing of the charging or discharging contactors.
  The Main contactor algorithm supports the following modes:
--In **“Always on”** mode main contactor closes if all the following is true:
++* Always on;
++* Automatic.
++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.
--and opens if all the following is true:
++In “Always on” mode main contactor 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.
  (% class="box infomessage" %)
  (((
@@ -274,42 +274,42 @@
  To change the parameters of the main contactor, select the "Control → Main contactor" section:
--[[image:1777563933065-421.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]]
++[[image:1740397558976-651.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" 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:1777564109089-225.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="156" width="800"]]
++[[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;
++* 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.
  (% class="box infomessage" %)
  (((
--**Note:** The "**Allow charging**" signal activates under two independent conditions:
++**Note:** The "Allow charging" signal activates under two independent conditions:
 ) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and
 ) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
  )))
@@ -320,30 +320,24 @@
  [[image:1762774840204-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="146" width="800"]]In this section:
--* **Current to set the "Discharging current present"** – a current level to generate the "Discharging current present" signal, А;
--* **Current to clear the "Discharging current present"** – a current level to clear the "Discharging current present" signal, А;
--* **Use actual voltage to generate the "Ready to discharge" signal **– a flag to disable voltage correction for "Ready to discharge" signal;
--* **Use actual voltage to generate the "Ready to discharge" signal if the current is positive** – a flag to disable voltage correction for "Ready to discharge" signal only at charging current;
--* **Voltage to clear the “Ready to discharge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
--* **Voltage to reset the “Ready to discharge” **– a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
--* **Check the 'Discharge current limit' value to generate the 'Ready to discharge'** – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
--* **Discharge current limit to clear the 'Ready to discharge' **– a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
--* **Discharge current limit to set the 'Ready to discharge' **– a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
--* **Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set**;
--* **Errors 1, 2 to clear the "Ready to discharge"** – bitfields to choose the errors which will clear the "Ready to discharge" signal.
++* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
++* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
++* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
++* Use actual voltage to generate the "Ready to discharge" signal if the current is positive – a flag to disable voltage correction for "Ready to discharge" signal only at charging current;
++* Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
++* Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
++* Check the 'Discharge current limit' value to generate the 'Ready to discharge' – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
++* Discharge current limit to clear the 'Ready to discharge' – a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
++* Discharge current limit to set the 'Ready to discharge' – a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
++* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set;
++* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
  === Precharge ===
--The BMS Mini S / BMS Mini device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
++The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
--BMS Mini S / BMS Mini can check the preacharge process **only by monitoring the current**.
++BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
--In **simple **mode precharge contactor closes a "Precharge time" before the closing of Charge or Discharge contactors and opens after the same amount of time after closing them.
--
--In **enhanced **mode precharge contactor will wait until the current of voltage difference requirements are met and close the Charge or Discharge contactors only after that. If waiting time is greater than "Precharge time" value, an error will be generated. Precharge contactor will open after "Precharge time" after closing the Charge of Discharge contactors.
--
--Also BMS Mini S / BMS Mini can measure the power dissipated on precharge resistor and generate an error if it is greater than configured limit.
--
  To change the parameters of precharge contactor, select the "Control → Precharge" section:
  [[image:1754931813173-804.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="172" width="800"]]
@@ -350,18 +350,18 @@
  In this section:
--* **Precharge current threshold to finish precharging** – a minimum current value at which precharging process assumed to be finished, A;
--* **Keep the precharging relay closed until precharge is finished** – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
--* **Number of precharging attempts** – maximum number of precharging attempts before setting the "Precharge error";
--* **Delay before current measurement** – a delay before first current measurement after closing precharge, millisecond;
--* **Precharge time **– a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
--* **Relaxation between attempts **– a duration between precharge attempts, millisecond;
--* **Check the power dissipated in the preacharge resistor** - a flag to enable the calculation of power dissipated in precharge resistor;
--* **Precharge resistor resistance**, Ohm;
--* **Maximum allowable power dissipated in the resistor**, W;
--* **Delay before setting the "Precharge error" when checking power**, millisecond;
--* **Delay before clearing the "Precharge error"**, second;
--* **Lock the "Precharge error"** – a flag to block the error until the device is restarted.
++* Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
++* Keep the precharging relay closed until precharge is finished – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
++* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
++* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
++* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
++* Relaxation between attempts – a duration between precharge attempts, millisecond;
++* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
++* Precharge resistor resistance, Ohm;
++* Maximum allowable power dissipated in the resistor, W;
++* Delay before setting the "Precharge error" when checking power, millisecond;
++* Delay before clearing the "Precharge error", second;
++* Lock the "Precharge error" – a flag to block the error until the device is restarted.
  “Precharge error” generation conditions if any of the following is true:
@@ -375,29 +375,40 @@
  === Charge ===
--The BMS Mini S / BMS Mini device connect battery to the charger using the "Charging" signal.
++There are two contactors that serve charging the battery: a charging contactor and an allow charging contactor. With the help of the allow charging contactor, the BMS commands the charger to start or stop charging.
--BMS Mini S / BMS Mini supports three charge control algorithms:
++The device supports three charge control algorithms:
--If the "**Always on**" algorithm is selected, the "Сharging" signal is always set. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
++* Always on – charging is always allowed;
++* On charger connected – charging is allowed when there is a signal “Charger connected”;
++* On charge request – charging is allowed when there is a signal “Charge request”.
++If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
++
  * Service reset;
  * Power down request;
  * Inhibit charging,
--the "Charging" signal is cleared.
++both contactors are open (no current flows).
  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
--* If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Charging" signal is set;
--* If the signal “Charger connected” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Charging" signal is cleared.
++* If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
++* If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
++* If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
++* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
  When the "**On charge request**" algorithm selected, the control is performed as follows:
--* If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Charging" signal is set;
--* If the signal “Charge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Charging" signal is cleared;
++* If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
++* If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
++* If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
++* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
--**Note: **when errors occur in the system, the **"Charing" **signal is cleared either immediately or with the delay T,,off,, (depends on the settings described below).
++(% class="box infomessage" %)
++(((
++**Note: **when errors occur in the system, the **Charge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
++)))
  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
@@ -405,47 +405,51 @@
  In this section:
--* **Enable **– a flag to activate the charge control;
--* **Algorithm**:
--** **Always on** – charging is always allowed;
--** **On charger connected** – charging is allowed when there is a signal “Charger connected”;
--** **On charge request** – charging is allowed when there is a signal “Charge request”;
--* **Allow charging only when the "Ready to charge" signal is set** – charging contactor will open if "Ready to charge" signal is cleared;
--* **Delay before starting charging** – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
--* **Delay before stopping charging** – a time delay T,,off,, before opening the charging contactor, millisecond;
--* **Control the precharging contactor** – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>url:https://docs.movicomelectric.com/bin/view/Battery%20management%20systems/BMS%20Main%203/3.%20Configuration/3.3%20Control/?language=en#HPrecharge]]);
--* **Errors 1, 2 to open the charging contactor** – bitfields to choose the errors which will open the charging contactor;
--* **Use custom delays before stopping charging (on errors)** – a flag to enable manual settings of time delays T,,off,, for specific errors;
--* **Custom delay: <error>** – delay for specific error, millisecond;
--* **Switch off the charging contactor on errors without delay** – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”.
++* Enable – a flag to activate the charge control;
++* Algorithm:
++** Always on – charging is always allowed;
++** On charger connected – charging is allowed when there is a signal “Charger connected”;
++** On charge request – charging is allowed when there is a signal “Charge request”;
++* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
++* Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
++* Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
++* Control the precharging contactor – a flag that allows control of the precharging contactor (see [[Precharge>>url:http://#HPrecharge]]);
++* Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
++* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
++* Custom delay: <error> – specific error delay, millisecond;
++* Switch off the charging contactor on errors without delay – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”;
  === Discharge ===
--The BMS Mini S / BMS Mini device connect battery to the load using the "Discharging" signal.
++The device controls the discharging contactor to connect battery to the load.
--BMS Mini S / BMS Mini device supports three algorithms to control battery discharging:
++The device supports three algorithms to control battery discharging:
--When the algorithm "**Always on**" is selected, the "Discharging" signal is always set. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
++* Always on – load is always connected;
++* On charger disconnected – load is connected when there is no signal “Charger connected”;
++* On discharge request – load is connected when there is signal “Discharge request”.
++When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
++
  * Service reset
  * Power down request
  * Inhibit discharging
--the "Discharging" signal is cleared.
++the discharging contactor opens.
  If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
--* if there are no “Charger connected” and "Charging" signals and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Discharging" signal is set;
--* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Discharging" signal is cleared.
++* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
++* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
  When the "**On discharge request**" algorithm selected, the control is performed as follows:
--* if there is signal “Discharge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Discharging" signal is set;
--* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Discharging" signal is cleared.
++* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
++* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
  (% class="box infomessage" %)
  (((
--**Note: **when errors occur in the system, the **"Discharge" **signal is cleared either immediately or with the delay T,,off,, (depends on the settings described below).
++**Note: **when errors occur in the system, the **Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
  )))
  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
@@ -454,48 +454,35 @@
  In this section:
--* **Enable **– a flag to activate the discharge control;
--* **Algorithm**:
--** **Always on** – load is always connected;
--** **On charger disconnected** – load is connected when there is no signal “Charger connected”;
--** **On discharge request** – load is connected when there is signal “Discharge request”;
--* **Allow charging only when the "Ready to discharge" signal is set** – discharging contactor will open if "Ready to discharge" signal is cleared;
--* **Delay before starting discharging** – a time delay T,,on,, before closing the discharging contactor, millisecond;
--* **Delay before stopping discharging** – a time delay T,,off,, before opening the discharging contactor, millisecond;
--* **Control the precharging contactor** – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>url:https://docs.movicomelectric.com/bin/view/Battery%20management%20systems/BMS%20Main%203/3.%20Configuration/3.3%20Control/?language=en#HPrecharge]]);
--* **Errors 1, 2 to open the discharging contactor** – bitfields to choose the errors which will open the discharging contactor;
--* **Use custom delays before stopping discharging (on errors)** – a flag to enable manual settings of time delays T,,off,, for specific errors;
--* **Custom delay: <error>** – specific error delay, millisecond;
--* **Switch off the discharging contactor on errors without delay** – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
++* Enable – a flag to activate the discharge control;
++* Algorithm:
++** Always on – load is always connected;
++** On charger disconnected – load is connected when there is no signal “Charger connected”;
++** On discharge request – load is connected when there is signal “Discharge request”;
++* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
++* Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
++* Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
++* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>path:#HPrecharge]]);
++* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
++* Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
++* Custom delay: <error> – specific error delay, millisecond;
++* Switch off the discharging contactor on errors without delay – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
  === Charge/Discharge ===
--The BMS Mini S / BMS Mini device can control the contactor, used in power line both used for connecting battery to charger and load, by using the "Charging/Discharging" signal.
++The BMS Mini S / BMS Mini device can control the charging/discharging contactor that is used to both charge and discharge the battery.
--"Charging/Discharging" signal has three algorithms of operation:
++Charge/Discharge contactor has three algorithms of operation:
--On **Dependent (on Charging and Discharging signals)** algorithm the "Charging/Discharging" signal depends on Charge and Discharge controllers and equal to:
++* Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
++* Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
++* Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
--* "Charging" signal if "Charging" signal is set;
--* "Discharging" signal in other cases.
++TBA
--When **Independent (Always) **algorithm is selected, the "Charging/Discharging" signal is always set. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
--
--* Service reset
--* Power down request
--* Inhibit charging
--* Inhibit discharging
--
--the Charging/Discharging signal is cleared.
--
--On **Independent (on Charge request or Discharge request)** algorithm "Charging/Discharging" signal 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 signal is set;
--* If the "Charge request" and "Discharge request" disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Charging/Discharging" signal is cleared.
--
  (% class="box infomessage" %)
  (((
--**Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
++**Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
  )))
  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
@@ -504,19 +504,19 @@
  In this section:
--* **Enable **– a flag to enable the charge/discharge controller.
--* **Algorithm**:
--** **Dependent (on Charging and Discharging signals)** - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
--** **Independent (Always)** - Charge/Discharge contactor is always closed if there is no errors;
--** **Independent (on Charge request or Discharge request)**;
--* **Delay before starting charging or discharging**, millisecond;
--* **Delay before stopping charging or discharging**, millisecond;
--* **Control the precharging contactor** – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
--* **Emulate the "Charging" and "Discharging" signals** – a flag to enable generation of "Charging" and "Discharging" signals in Independet mode when closing Charge/Discharge contactor. **DO NOT** use with enabled Charge and Discharge controllers;
--* **Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor** – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
--* **Errors 1, 2 which affect the contactor only if battery CHARGING is detected** – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
--* **Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected** – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
--* **Switch off the charging/discharging contactor on errors without delay** – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
++* Enable – a flag to enable the charge/discharge controller.
++* Algorithm:
++** Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
++** Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
++** Independent (on Charge request or Discharge request);
++* Delay before starting charging or discharging, millisecond;
++* Delay before stopping charging or discharging, millisecond;
++* Control the precharging contactor – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
++* Emulate the "Charging" and "Discharging" signals – a flag to enable generation of "Charging" and "Discharging" signals when closing charge/discharge contactor;
++* Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
++* Errors 1, 2 which affect the contactor only if battery CHARGING is detected – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
++* Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
++* Switch off the charging/discharging contactor on errors without delay – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
  === Discharge (AUX) ===
@@ -532,31 +532,31 @@
  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
--[[image:1740400254884-851.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
++[[image:1740400254884-851.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
  In this section:
--* **Enable **– a flag to activate the auxiliary discharge control;
--* **Switch off the discharging (AUX) contactor if the SOC is too low**;
--* **Minimum SOC** – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
--* **Tolerant SOC** – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
--* **Switch off the discharging (AUX) contactor if the cell voltage is out of the range**;
--* **Minimum cell voltage**, V;
--* **Maximum cell voltage**, V;
--* **Switch off the discharging (AUX) contactor if the battery voltage is out of the range**;
--* **Minimum battery voltage**, V;
--* **Maximum battery voltage**, V;
--* **Errors 1, 2 to open the auxiliary discharging contactor** – bitfields to choose the errors which will open the auxiliary discharging contactor.
++* Enable – a flag to activate the auxiliary discharge control;
++* Switch off the discharging (AUX) contactor if the SOC is too low;
++* Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
++* Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
++* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
++* Minimum cell voltage, V;
++* Maximum cell voltage, V;
++* Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
++* Minimum battery voltage, V;
++* Maximum battery voltage, V;
++* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
  === Cell balancing ===
  Balancing makes the voltage of all cells equal to the minimum cell voltage.
--The following **balancing rules** are supported:
++The following balancing rules are supported:
--* **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 ;
--* **Balance always** regardless of battery state.
++* 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).
  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
@@ -573,31 +573,29 @@
  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
  )))
--The BMS Mini S / BMS Mini device 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.
++The BMS Mini S / BMS Mini device 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.
--BMS Mini S / BMS Mini device can **force balancing** of the cell, if its voltage is higher than estimated value.
++BMS Mini S / BMS Mini device can force a cell balancing, if its voltage is higher than estimated value.
  To change the cell balancing parameters, select the "Control → Cell balancing" section:
  [[image:1740404562825-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="168" width="800"]]
--
  In this section:
--* **Enable **– a flag to enable cell balancing;
--* **Balancing rule**:
--** **Balance on charge** – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
--** **Balance on charge or relaxed** - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
--** **Balance always** – balancing is always performed regardless the battery state;
--* **Balancing condition**:
--** **Automatic **– balancing will be performed automatically if needed conditions are met;
--** **On balancing request** – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
--* **Minimum cell voltage to start balancing**, V;
--* **Voltage deviation to start balancing**;
--* **Voltage deviation to stop balancing**;
--* **Voltage to start forced balancing** – if cell voltage is above this value, it will start discharging through balancing resistor;
--* **Voltage to stop forced balancing** – if cell voltage is below this value, it will stop discharging through balancing resistor;
--* **Maximum allowable temperature of BMS Logic devices**, ºC;
--* **Command to discharge all cells** – a flag to force the balancing of all cells.
++* Enable – a flag to enable cell balancing;
++* Balancing rule:
++** Balance on charge;
++** Balance on charge or relaxed;
++** Balance always;
++* Balancing condition:
++** Automatic – balancing will be performed automatically if needed conditions are met;
++** On balancing request – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
++* Minimum cell voltage to start balancing, V;
++* Voltage deviation to start balancing;
++* Voltage deviation to stop balancing;
++* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor;
++* Maximum allowable temperature of the board, ºC;
++* Command to discharge all cells – a flag to force the balancing of all cells.
  === Power down ===
@@ -608,7 +608,7 @@
  * the battery voltage is below the minimum level;
  * the “Charger connected” signal is cleared for 60 seconds.
--The BMS Mini S / BMS Mini 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.
++The BMS Mini S / BMS Mini device also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the set time.
  To change the parameters of the power down control, select the "Control → Power down" section:
@@ -615,10 +615,10 @@
  [[image:1740404859367-943.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
  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.
--* **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.
++* 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;
++* Delay before setting the internal power down signal – a delay before turning off the device power when receiving the “Power down request” command, ms.
  === Heater ===
@@ -627,25 +627,23 @@
  [[image:1777293968000-235.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]]
  In this section:
--* **Enable **– a flag to enable the heater control;
--* **Minimum cell temperature**, °C;
--* **Tolerant cell temperature**, °C;
--* **Start the heater only if "Charger connected" signal is set**;
--* **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.
++* Enable – a flag to enable heater control;
++* Minimum cell temperature, °C;
++* Tolerant cell temperature, °C;
++* Start the heater only if "Charger connected" signal is set;
++* Delay before starting the heater, millisecond;
++* Delay before stopping the heater, millisecond;
++* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off 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;
--* there are no errors from "Errors 1, 2..." bitfields.
++* 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.
  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;
--* there is an error from "Errors 1, 2..." bitfields.
++* 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.
  (% class="box infomessage" %)
  (((
@@ -658,27 +658,24 @@
  [[image:1740405145695-704.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="149" width="800"]]
--
  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;
--* **Errors 1, 2 to open the cooler **– bitfields to choose the errors which will open the cooler.
++* Enable – a flag to enable 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 turn off the heater – bitfields to choose the errors which will turn off 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;
--* there are no errors from "Errors 1, 2..." bitfields.
++* 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.
  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;
--* there is an error from "Errors 1, 2..." bitfields.
++* 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.
  (% class="box infomessage" %)
  (((
@@ -702,16 +702,20 @@
  In this section:
--* **Enable **– a flag to enable cell analysis;
--* **Discharge step**, Ah;
--* **Delta voltage** – a maximum allowable voltage drop for the cell, V;
--* **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;
++* 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 value “Cell index” is ignored).
--Discharge step should be set equal to С/21, where C is the cell capacity.
++Discharge step should be set equal to
--The discharge characteristic will be constructed for the given cell (its position is determined by the fields “Logic index” and “Cell index”).
++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 field “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.
  Algorithm steps:

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