Changes for page 3.3 Control

Last modified by Admin on 2025/12/11 10:32

From 30.1 to 29.5 From 69.1 to 68.1

From version 68.1

edited by Admin
on 2025/12/11 10:17

Change comment: There is no comment for this version

To version 30.1

edited by Admin
on 2024/12/26 15:33

Change comment: There is no comment for this version

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@@ -1,5 +1,5 @@
  (% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
--= Configuration =
++= Settings =
  (% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
  == Control ==
@@ -21,7 +21,7 @@
  ** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery;
  ** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS.
--The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
++The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery.
  The values of “Relax time” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
@@ -70,8 +70,8 @@
  * Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells;
  * Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC;
--* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
--* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC.
++* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell have 100% SOC, b) 0% if any cell have 0% SOC;
++* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC;
  Other parameters:
@@ -102,27 +102,6 @@
  * Ignore the linear zone – a flag to ignore linear SOC zone while correction (recommended to be unset);
  * Last correction timestamp – time when last correction was made.
--=== SOH estimation ===
--
--The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms:
--
--* By effective capacity;
--* By total charge-.
--
--In "By effective capacity" mode SOH is calculated as a ratio of effective capacity to nominal capacity. Effective capacity is estimated to DOD value when battery SOC reaches 0%, so SOH is recalculated each full battery discharge.
--
--In "By total charge-" mode SOH is calculated as a linear function of "Total charge-" counter. While "Total charge-" constantly increases during battery operation, SOH will be linearly decrease at the same time. This mode requires a confirmed cell data to set the expecting SOH at the expecting amount of charge-.
--
--To configure parameters for battery state of health calculation, select the "Control → SOH correction" section:
--
--[[image:1765447975228-766.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]In this section:
--
--* Algorithm:
--** By effective capacity;
--** By total charge-;
--* Total charge: Charge- –  total amount of charge- for expected SOH;
--* Total charge: SOH –  expected SOH value at the total amount of charge-.
--
  === Resistance estimation ===
  Calculation of the resistance of cells is carried out in two ways. The first method is used when the battery passes from a relaxation state to a charge or discharge state, wherein the cell resistance value
@@ -186,10 +186,7 @@
  * the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
--(% class="box infomessage" %)
--(((
  The "Low SOC signal" is indicative and can be output to a discrete output or a power switch.
--)))
  === High charging current (signal) ===
@@ -214,10 +214,7 @@
  * the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
--(% class="box infomessage" %)
--(((
  The "High charging current" signal is indicative and can be output to a discrete output or a power switch.
--)))
  === Charge map ===
@@ -234,18 +234,18 @@
  * Enable – a flag to start calculation of the charge current limit;
  * Maximum charge current – a maximum allowable value of the charge 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 charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature;
++* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current Kcs depending on SOC and battery temperature;
  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
--* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
++* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on contactor temperature;
  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
--* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
++* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current Kcv depending on maximum cell voltage;
  * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
--* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
++* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current Kct depending on maximum cell temperature;
  * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
--**Charge current limit = Maximum charge current × Kcs × Kcc × Kcv × Kct**
++Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct
  === Discharge map ===
@@ -262,18 +262,18 @@
  * 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: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current Kds depending on 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: 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: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current Kdv depending on minimum cell voltage;
  * 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: 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:
--**Discharge current limit = Maximum discharge current × Kds × Kdc × Kdv × Kdt**
++Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt
  === Charge map (PEAK & CONTINUOUS) ===
@@ -336,19 +336,36 @@
  The Main contactor algorithm supports the following modes:
  * Always on;
--* Automatic.
++* Automatic;
++* On demand.
  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.
++* Charging contactor is open;
++* Discharging contactor is open;
++* There are no errors from the list below:
++** Overcurrent;
++** Undervoltage;
++** Overvoltage;
++** High temperature (CH);
++** High temperature (DCH);
++** Unallowable charging;
++** Critical error.
  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.
++* Charging contactor is open;
++* Discharging contactor is open;
++* There is an error from the list below:
++** Overcurrent;
++** Undervoltage;
++** Overvoltage;
++** High temperature (CH);
++** High temperature (DCH);
++** Unallowable charging;
++** Critical error.
--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 charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
  In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
@@ -377,19 +377,13 @@
  To change the parameters of charging process status, select the "Control → Charging status" section:
--[[image:1760435790050-496.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="140" width="800"]]
++[[image:1735064935499-941.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]In this section:
--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;
--* 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;
--* 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;
++* Voltage to clear the “Ready to charge” – a threshold 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 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" %)
@@ -401,20 +401,14 @@
  === Discharging status ===
--To change the parameters of discharging process status, select the "Control → Discharging status" section:
++To change the parameters of charging process status, select the "Control → Discharging status" section:
--[[image:1760435802140-274.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="129" width="800"]]
++[[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]In this section:
--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;
--* 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;
--* Treat positive currents as zero currents for generating the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal at charging current;
--* 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;
++* Voltage to clear the “Ready to discharge” – a threshold 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 voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” 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 ===
@@ -423,18 +423,14 @@
  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.
--TBA
--
  To change the parameters of precharge contactor, select the "Control → Precharge" section:
--[[image:1750328428183-819.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
++[[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
  * Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
  * Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
--* 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;
@@ -444,10 +444,10 @@
  * 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:
++“Precharge error” generation conditions:
--* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
--* voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
++* the precharge current does not decrease after "Number of precharging attempts";
++* voltages before and after contactors are not equal after "Number of precharging attempts";
  * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
  (% class="box warningmessage" %)
@@ -465,8 +465,24 @@
  * 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:
++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 appears:
++* Overvoltage;
++* Overcurrent;
++* High temperature (CH);
++* Low temperature (CH);
++* HYG offline (optional);
++* Combilift offline (optional);
++* Spirit offline (optional);
++* Spirit charger error (optional);
++* Short circuit (optional);
++* High contactor temperature (optional);
++* CH contactor cycles error;
++* Precharge error (optional);
++* Critical error
++
++or one of the signals:
++
  * Service reset;
  * Power down request;
  * Inhibit charging,
@@ -475,17 +475,17 @@
  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 contactor and the allow charging contactor close;
++* If there is a signal “Charger connected” and there are no errors (see the list above), 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.
++* If errors in the list above 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 contactor and the allow charging contactor close;
++* If there is a signal “Charge request” and there are no errors (see the list above), 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.
++* If errors in the list above occur the charging contactor and allow charging contactor open.
  (% class="box infomessage" %)
  (((
@@ -506,7 +506,7 @@
  * 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>>path:#HPrecharge]]);
++* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor;
  * 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;
@@ -522,8 +522,26 @@
  * 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:
++When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors appears:
++* Undervoltage;
++* Overvoltage (optional);
++* Overcurrent;
++* High temperature (DCH);
++* Low temperature (DCH) (optional);
++* HYG offline (optional);
++* Combilift offline (optional);
++* Spirit offline (optional);
++* Spirit charger error (optional);
++* Short circuit (optional);
++* High contactor temperature (optional);
++* Unallowable charging;
++* DCH contactor cycles error;
++* Precharge error (optional);
++* Critical error
++
++or one of the signals:
++
  * Service reset
  * Power down request
  * Inhibit discharging
@@ -532,13 +532,13 @@
  If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
--* 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.
++* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
++* If the signal “Charger connected” appears or errors occur (see the list above), 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”, 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.
++* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
++* If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
  (% class="box infomessage" %)
  (((
@@ -545,6 +545,8 @@
  **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).
  )))
++The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
++
  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
  [[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]]
@@ -559,7 +559,7 @@
  * 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>>doc:||anchor="HPrecharge"]]);
++* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor;
  * 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;
@@ -575,8 +575,6 @@
  * 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.
--TBA
--
  (% 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).
@@ -612,8 +612,13 @@
  * the battery has low SOC;
  * the battery voltage is out of range;
--* the errors are detected (configured in the "Errors 1, 2 ..." bitfields).
++* the battery system errors are detected.
++(% class="box infomessage" %)
++(((
++**Note: **when errors occur in the system, the **Discharge (AUX) **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
++)))
++
  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
  [[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
@@ -624,13 +624,13 @@
  * 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 voltage – minimum battery voltage, V;
++* Maximum voltage – maximum battery voltage, V;
++* Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error;
  * 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.
++* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
  === Cell balancing ===
@@ -645,22 +645,17 @@
  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
  * the voltage on the cell is higher than the balancing start voltage;
--* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold;
++* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold.
  A balancing resistor is disconnected from the cell if any of the following conditions are met:
--* the voltage on the cell is less than the balancing stop voltage;
++* the voltage on the cell is less than the balancing start voltage;
  * the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
--(% class="box infomessage" %)
--(((
  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 Main 3 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 Main 3 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:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
@@ -672,6 +672,9 @@
  ** 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;
++
++[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
++
  * 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;
@@ -757,10 +757,7 @@
  * 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" %)
--(((
--If there is the "Heater" signal, the heater contactor closes and/or a signal is set to the corresponding digital output.
--)))
++If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponding digital output.
  === Cooler ===
@@ -787,10 +787,7 @@
  * 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" %)
--(((
--If there is the "Cooler" signal, the cooler contactor closes and/or a signal is set to the corresponding digital output.
--)))
++If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponding digital output.
  === High voltage ===

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Changes for page 3.3 Control

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