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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 8.1
edited by Admin
on 2025/02/26 12:42
Change comment: Загрузить новое вложение 1740573733492-485.png
To version 12.1
edited by Admin
on 2025/02/26 14:26
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520 520  
521 521  * charging and discharging contactors are open, but the “Charging current present” or “Discharging current present” signal is set.
522 522  
523 +(% class="box warningmessage" %)
524 +(((
525 +If there is the "Stuck contactor" error, the **“Critical error” **is generated.
526 +)))
527 +
523 523  === Contactor feedback ===
524 524  
525 525  The BMS Mini 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 corresponding contactor feedback pin on X1 header.
... ... @@ -539,6 +539,11 @@
539 539  
540 540  * a command for charging, precharge, discharging, charging/discharging or main contactor not matches its feedback value.
541 541  
547 +(% class="box warningmessage" %)
548 +(((
549 +If there is the "Contactor feedback" error, the **“Critical error” **is generated.
550 +)))
551 +
542 542  === Insulation ===
543 543  
544 544  The BMS Mini device can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
... ... @@ -545,11 +545,15 @@
545 545  
546 546  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
547 547  
548 -[[image:1733748083469-478.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
558 +[[image:1740573733492-485.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="119" width="800"]]
549 549  
550 550  In this section:
551 551  
552 552  * Enable – a flag to enable the protection;
563 +* Checking algorithm – isolation checking mode:
564 +** Always on – check is always performed;
565 +** On charging – check is performed only if “Charger connected” or “Charge request” is set;
566 +** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
553 553  * Delay before setting the error, second;
554 554  * Delay before clearing the error, second;
555 555  * Lock – a flag to block the error until the device is restarted.
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556 556  
557 557  Error is set if corresponding discrete input is set up and it receives logical zero.
558 558  
573 +(% class="box warningmessage" %)
574 +(((
575 +If there is the "Insulation" error, the **“Critical error” **is generated.
576 +)))
577 +
559 559  === Critical error ===
560 560  
561 561  To change the critical error parameters, select the "Protections → Critical error" section:
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569 569  * Delay before clearing the error, second;
570 570  * Lock – a flag to block the error until the device is restarted.
571 571  
572 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
591 +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.
573 573  
574 -* “Battery cover error”;
575 -* “Cell monitor offline”;
576 -* “Cell count error”;
577 -* “ADC error”;
578 -* “Current sensor error”;
579 -* “Shunt offline”;
580 -* “Shunt error”;
581 -* “No temp. sensors”;
582 -* “Temp. sensor is shorted”;
583 -* “Settings error”;
584 -* “WDT reset”;
585 -* “Stuck contactor”;
586 -* “Contactor feedback error”;
587 -* “Insulation fault”.
588 -
589 589  The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
594 +
595 +=== General error ===
596 +
597 +To change the general error parameters, select the "Protections → Critical error" section:
598 +
599 +[[image:1740573914327-561.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="129" width="800"]]
600 +
601 +In this section:
602 +
603 +* Enable – a flag to enable the protection;
604 +* Delay before setting the error, millisecond;
605 +* Delay before clearing the error, second;
606 +* Lock – a flag to block the error until the device is restarted;
607 +* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
608 +
609 +The “General error” is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
610 +
611 +The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
612 +
613 +The state of the “General error” can be assigned to a discrete output or to a power switch.
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