Changes for page 3.3 Control

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

From 76.15 to 76.14 From 76.17 to 76.16

From version 76.16

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

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To version 76.15

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

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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.
--BMS Main 3 / BMS Main 2R supports three charge control algorithms:
++The device 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:
@@ -459,12 +459,16 @@
  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 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.
++* 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 contactor and the allow charging contactor close;
--* 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;
++* 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.
  (% class="box infomessage" %)
  (((
@@ -493,12 +493,10 @@
  === Discharge ===
--The BMS Main 3 / BMS Main 2R device controls the discharging contactor to connect battery to the load.
++The device controls the discharging contactor to connect battery to the load.
--BMS Main 3 / BMS Main 2R 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 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 from the "Errors 1, 2 ..." bitfields appears or one of the signals:
--
  * Service reset
  * Power down request
  * Inhibit discharging
@@ -526,46 +526,32 @@
  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 / BMS Main 2R device can control the Charge/Discharge contactor, which combines algorithms of charging and discharging contactor.
++The BMS Main 3 device can control the charge/discharge contactor, which combines algorithms of charging and discharging contactor.
  Charge/Discharge contactor has three algorithms of operation:
--On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge algorithms and their signals and behaves
++* 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.
--* as Charging contactor if "Charging" signal is set;
--* as Discharging contactor in other cases.
++TBA
--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).
@@ -577,13 +577,13 @@
  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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