Changes for page 3.3 Control

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

From 76.14 to 76.15 From 76.16 to 76.17

From version 76.15

edited by Admin
on 2026/03/31 13:30

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To version 76.16

edited by Admin
on 2026/03/31 13:41

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@@ -446,7 +446,7 @@
  There are two signals that serve charging the battery: "Charging" and "Allow charging". With the help of the "Allow charging" signal, the BMS commands the charger to start or stop charging.
--The device supports three charge control algorithms:
++BMS Main 3 / BMS Main 2R supports three charge control algorithms:
  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:
@@ -459,16 +459,12 @@
  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 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 the signal “Charger connected” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens.
  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 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 the signal “Charge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
  (% class="box infomessage" %)
  (((
@@ -497,10 +497,12 @@
  === Discharge ===
--The device controls the discharging contactor to connect battery to the load.
++The BMS Main 3 / BMS Main 2R device controls the discharging contactor to connect battery to the load.
--The device supports three algorithms to control battery discharging: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:
++BMS Main 3 / BMS Main 2R supports three algorithms to control battery discharging:
++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
@@ -528,32 +528,46 @@
  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>>doc:||anchor="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>>doc:||anchor="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 Main 3 device can control the charge/discharge contactor, which combines algorithms of charging and discharging contactor.
++The BMS Main 3 / BMS Main 2R device can control the Charge/Discharge contactor, which combines algorithms of charging and discharging contactor.
  Charge/Discharge contactor has three algorithms of operation:
--* 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.
++On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge algorithms and their signals and behaves
--TBA
++* as Charging contactor if "Charging" signal is set;
++* as Discharging contactor in other cases.
++When **Independent (Always) **algorithm is selected, the charging/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 charging
++* Inhibit discharging
++
++the charging/discharging contactor opens.
++
++
++**Independent (on Charge request or Discharge request)** - charge/discharge contactor is based on its own controller and performs as follows:
++
++* if there is "Charge request" or "Discharge request" signal and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging/discharging contactor closes;
++* If the "Charge request" or "Discharge request" disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the charging/discharging contactor opens.
++
  (% 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).
@@ -565,13 +565,13 @@
  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;
++* **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;

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