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Changes for page 3.4 Protections

Last modified by Admin on 2025/08/22 14:36
From version 39.1
edited by Admin
on 2025/08/22 14:35
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To version 35.1
edited by Admin
on 2025/08/22 14:06
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375 375  If there is the "Cell count error", the **“Critical error” **is generated**.**
376 376  )))
377 377  
378 -=== Temperature sensor count ===
379 -
380 -To change the protection parameters from the mismatch of the number of temperature sensors to the set value, select the "Protections → Temperature sensor count" section:
381 -
382 -[[image:1755871582533-550.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
383 -
384 -In this section:
385 -
386 -* Enable – a flag to enable the protection;
387 -* Number of cells – a number of temperature sensors connected to the BMS;
388 -* Delay before setting the error, millisecond;
389 -* Delay before clearing the error, second;
390 -* Lock – a flag to block the error until the device is restarted.
391 -
392 -As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
393 -
394 -Error generation conditions:
395 -
396 -* the number of temperature sensors connected to the BMS is **not equal** to the “Number of temperature sensors” value during the “Delay before setting the error” time.
397 -
398 -Conditions for removing the error:
399 -
400 -* the number of temperature sensors connected to the BMS is **equal** to the “Number of temperature sensors” value during the “Delay before clearing the error” time.
401 -
402 -(% class="box warningmessage" %)
403 -(((
404 -If there is the "T-sensor count error", the **“Critical error” **is generated**.**
405 -)))
406 -
407 407  === Logic count ===
408 408  
409 409  To change the protection parameters from the mismatch of the number of BMS Logic devices to the set value, select the "Protections → Logic count” section:
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795 795  If there is the “HVIL error”, the **“Critical error”** is generated.
796 796  )))
797 797  
798 -=== Battery voltage ===
799 -
800 -The BMS Main 3 allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
801 -
802 -To change the HVIL measurement parameters, select the "Protections → Battery voltage" section:
803 -
804 -[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
805 -
806 -In this section:
807 -
808 -* Enable – a flag to enable the protection;
809 -* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
810 -* Delay before setting the error, second;
811 -* Delay before clearing the error, second;
812 -* Lock – a flag to block the error until the device is restarted.
813 -
814 -If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
815 -
816 -Error generation conditions:
817 -
818 -* difference between sum of all cell voltages and voltage measured before the contactors is **more **than "Abnormal voltage difference" value during "Delay before setting the error" time.
819 -
820 -Conditions for removing the error:
821 -
822 -* difference between sum of all cell voltages and voltage measured before the contactors is **less **than "Abnormal voltage difference" value during "Delay before clearing the error" time.
823 -
824 -(% class="box warningmessage" %)
825 -(((
826 -If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
827 -)))
828 -
829 829  === Critical error ===
830 830  
831 831  Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
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