Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42

From 51.4 to 51.5

From version 51.5

edited by Admin
on 2026/04/01 08:31

Change comment: There is no comment for this version

To version 52.1

edited by Admin
on 2026/04/01 08:42

Change comment: There is no comment for this version

Raw
Rendered

Summary

Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

@@ -290,12 +290,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Maximum humidity, RH%;
--* Tolerant humidity, RH%;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – lock the error until the device is reset.
++* **Enable **– a flag to enable the protection;
++* **Maximum humidity**, RH%;
++* **Tolerant humidity**, RH%;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– lock the error until the device is reset.
  As a result of the operation of the battery protection from water, the "Water" error is generated.
@@ -320,12 +320,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Maximum temperature, °C;
--* Tolerant temperature, °C;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – lock the error until the device is reset.
++* **Enable **– a flag to enable the protection;
++* **Maximum temperature**, °C;
++* **Tolerant temperature**, °C;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– lock the error until the device is reset.
  As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
@@ -351,10 +351,10 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – lock the error until the device is reset.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– lock the error until the device is reset.
  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
@@ -379,11 +379,11 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Number of cells – a number of cells connected to the BMS;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable** – a flag to enable the protection;
++* **Number of cells** – a number of cells connected to the BMS;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
@@ -408,11 +408,11 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Number of cells – a number of temperature sensors connected to the BMS;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Number of cells** – a number of temperature sensors connected to the BMS;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
@@ -437,12 +437,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Logic count – a number of BMS Logic devices connected to the BMS Main;
--* Scan fast – a flag to scan BMS Logic devices fast (devices with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
--* Delay before setting the error – a delay before setting the error //during initialization//, millisecond;
--* Delay before clearing the error– a delay before clearing the error //during initialization//, second;
--* Lock – lock the error until the device is reset.
++* **Enable **– a flag to enable the protection;
++* **Logic count** – a number of BMS Logic devices connected to the BMS Main;
++* **Scan fast** – a flag to scan BMS Logic devices fast (devices with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
++* **Delay before setting the error** – a delay before setting the error //during initialization//, millisecond;
++* **Delay before clearing the error **– a delay before clearing the error //during initialization//, second;
++* **Lock** – lock the error until the device is reset.
  As a result of the operation of the protection from the mismatch of the number of BMS Logic devices, the "Logic count error" is generated.
@@ -471,12 +471,12 @@
  In this section:
--* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
--** Enable – a flag to enable the protection;
--** Maximum current, A;
--** Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Level 1, 2, 3** – three protection levels. The following parameters are configured at each level:
++** **Enable **– a flag to enable the protection;
++** **Maximum current**, A;
++** **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is a short circuit, the "Short circuit" error is generated.
@@ -498,13 +498,13 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
--* Maximum contactor temperature, °C;
--* Tolerant contactor temperature, °C;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable** – a flag to enable the protection;
++* **Thermistor **– a selection of which cell thermistor will be used as contactor temperature sensor;
++* **Maximum contactor temperature**, °C;
++* **Tolerant contactor temperature**, °C;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is a contactor overheat, the "High contactor temperature" error is generated.
@@ -526,13 +526,13 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Maximum voltage, V;
--* Minimum voltage, V;
--* Voltage hysteresis – a hysteresis value to clear the error, V;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Maximum voltage**, V;
++* **Minimum voltage**, V;
++* **Voltage hysteresis** – a hysteresis value to clear the error, V;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated.
@@ -552,14 +552,19 @@
  === Power switch ===
--BMS Main 3 / BMS Main 2R device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
++(% class="box warningmessage" %)
++(((
++This section is not available on BMS Main 2R.
++)))
++BMS Main 3 device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
++
  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
  In this section:
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  The “Power switch error” occurs when the device detects a shortage in contactor coil control circuit or an overheating of the power switch. Error is removed when the temperature of power switch is normal during “Delay before clearing the error” time.
@@ -570,8 +570,13 @@
  === Power fault ===
--BMS Main 3 / BMS Main 2R device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
++(% class="box infomessage" %)
++(((
++This section is not available on BMS Main 2R.
++)))
++BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
++
  (% class="box infomessage" %)
  (((
  **Note:** this error can be configured only under** "Service" account**.
@@ -583,11 +583,11 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, millisecond;
--* Time to keep power off, millisecond;
--* Delay before clearing the error, millisecond;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, millisecond;
++* **Time to keep power off**, millisecond;
++* **Delay before clearing the error**, millisecond;
++* **Lock **– a flag to block the error until the device is restarted.
  The “Power fault” occurs when the device detects a shortage or high power consumption in power supplies mentioned above. After that BMS turns off the corresponding power supply for "Time to keep power off", then it tries to enable power again.
@@ -608,12 +608,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
--* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Cycles threshold **– a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
++* **Check time** – a time in which the BMS counts switching cycles of the charging contactor, second;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is a high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
@@ -635,12 +635,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
--* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Cycles threshold** – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
++* **Check time** – a time in which the BMS counts switching cycles of the charging contactor, second;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
@@ -662,10 +662,10 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there are no temperature sensors connected to any BMS Logic device or any temperature sensor of the BMS Logic is shorted, the "No temp. sensors" error and "Temp. sensor is shorted" error are generated respectively. These errors generated and removed with the “Delay before setting the error” and “Delay before clearing the error” delays.
@@ -676,7 +676,7 @@
  === WDT reset ===
--If the BMS firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
++If the BMS Main 3 / BMS Main 2R firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
  To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
@@ -684,9 +684,9 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  Conditions for removing the error:
@@ -699,7 +699,7 @@
  === Unallowable charging ===
--The BMS can detect that the battery is charging through the discharging circuit and protectively open the discharging contactor to prevent unallowable battery operation.
++The BMS Main 3 / BMS Main 2R device can detect that the battery is charging through the discharging circuit and protectively open the discharging contactor to prevent unallowable battery operation.
  To change the parameters of the unallowable charging protection, select the "Protections → Unallowable charging" section:
@@ -707,10 +707,10 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock** – a flag to block the error until the device is restarted.
  If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
@@ -732,12 +732,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Check voltage – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
--* Abnormal voltage difference – the difference of voltages before and after contactors at which BMS indicates and error;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Check voltage** – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
++* **Abnormal voltage difference** – the difference of voltages before and after contactors at which BMS indicates and error;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
@@ -750,7 +750,7 @@
  === Contactor feedback ===
--The BMS Main 3 / BMS Main 2R device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the corresponding contactor feedback pin on the X3 header.
++The BMS Main 3 / BMS Main 2R device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the discrete input that is assigned to this specific contactor's feedback.
  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
@@ -758,10 +758,10 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
@@ -782,14 +782,14 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Checking algorithm – isolation checking mode:
--** Always on – check is always performed;
--** On charging – check is performed only if “Charger connected” or “Charge request” is set;
--** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Checking algorithm** – isolation checking mode:
++** **Always on** – check is always performed;
++** **On charging** – check is performed only if “Charger connected” or “Charge request” is set;
++** **Except charging** – check is performed only if “Charger connected” and “Charge request” are cleared;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  The “Insulation fault” is set if the “Insulation status” signal is detected during the “Delay before setting the error” time. The “Insulation status” signal can be received through the discrete input or by the CAN bus from an insulation monitoring device. The “Insulation fault” is cleared if the “Insulation status” signal is cleared during the “Delay before clearing the error” time.
@@ -800,8 +800,13 @@
  === HVIL ===
--The BMS Main 3 / BMS Main 2R allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
++(% class="box infomessage" %)
++(((
++This section is not available on BMS Main 2R.
++)))
++The BMS Main 3 allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
++
  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
  [[image:1735224839441-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
@@ -808,12 +808,12 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Source is OFF: Lower current limit, A;
--* Source is OFF: Upper current limit, A;
--* Source is ON: Lower current limit, A;
--* Source is ON: Upper current limit, A;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Source is OFF: Lower current limit**, A;
++* **Source is OFF: Upper current limit**, A;
++* **Source is ON: Lower current limit**, A;
++* **Source is ON: Upper current limit**, A;
++* **Lock **– a flag to block the error until the device is restarted.
  If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
@@ -826,6 +826,11 @@
  === Battery voltage ===
++(% class="box infomessage" %)
++(((
++This section is not available on BMS Main 2R.
++)))
++
  The BMS Main 3 / BMS Main 2R allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
  To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
@@ -834,11 +834,11 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Abnormal voltage difference** – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
++* **Delay before setting the error**, second;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted.
  If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
@@ -865,11 +865,11 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Errors 1, 2 to to ignore when setting the critical error;
--* Lock – a flag to block the error until the device is restarted.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Errors 1, 2 to to ignore when setting the critical error** – bitfields to enable check of corresponding errors.
++* **Lock **– a flag to block the error until the device is restarted.
  The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time.
@@ -883,11 +883,11 @@
  In this section:
--* Enable – a flag to enable the protection;
--* Delay before setting the error, millisecond;
--* Delay before clearing the error, second;
--* Lock – a flag to block the error until the device is restarted;
--* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
++* **Enable **– a flag to enable the protection;
++* **Delay before setting the error**, millisecond;
++* **Delay before clearing the error**, second;
++* **Lock **– a flag to block the error until the device is restarted;
++* **Errors 1, 2 to set the "Critical error"** – bitfields to enable check of corresponding errors.
  The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.

Changes for page 3.4 Protections

Summary

Details

Applications

Navigation

Table of Contents