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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 6.3
edited by Admin
on 2025/02/26 12:03
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To version 12.1
edited by Admin
on 2025/02/26 14:26
Change comment: There is no comment for this version

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... ... @@ -127,7 +127,6 @@
127 127  * Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
128 128  * Delay before setting the error, millisecond;
129 129  * Delay before clearing the error, second;
130 -* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Overvoltage" error is generated;
131 131  * Lock – a flag to block the error until the device is restarted.
132 132  
133 133  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
... ... @@ -394,7 +394,6 @@
394 394  * Delay before setting the error, millisecond;
395 395  * Delay before clearing the error, second;
396 396  * Lock – a flag to block the error until the device is restarted.
397 -* Number of cycles – a number of the charging contactor switchings made during battery operation.
398 398  
399 399  If there is the high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
400 400  
... ... @@ -412,7 +412,7 @@
412 412  
413 413  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
414 414  
415 -[[image:1733748068420-615.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="139" width="800"]]
413 +[[image:1740571600741-802.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="128" width="800"]]
416 416  
417 417  In this section:
418 418  
... ... @@ -422,7 +422,6 @@
422 422  * Delay before setting the error, millisecond;
423 423  * Delay before clearing the error, second;
424 424  * Lock – a flag to block the error until the device is restarted.
425 -* Number of cycles – a number of the charging contactor switchings made during battery operation.
426 426  
427 427  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
428 428  
... ... @@ -523,6 +523,11 @@
523 523  
524 524  * charging and discharging contactors are open, but the “Charging current present” or “Discharging current present” signal is set.
525 525  
523 +(% class="box warningmessage" %)
524 +(((
525 +If there is the "Stuck contactor" error, the **“Critical error” **is generated.
526 +)))
527 +
526 526  === Contactor feedback ===
527 527  
528 528  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.
... ... @@ -542,6 +542,11 @@
542 542  
543 543  * a command for charging, precharge, discharging, charging/discharging or main contactor not matches its feedback value.
544 544  
547 +(% class="box warningmessage" %)
548 +(((
549 +If there is the "Contactor feedback" error, the **“Critical error” **is generated.
550 +)))
551 +
545 545  === Insulation ===
546 546  
547 547  The BMS Mini device can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
... ... @@ -548,11 +548,15 @@
548 548  
549 549  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
550 550  
551 -[[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"]]
552 552  
553 553  In this section:
554 554  
555 555  * 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;
556 556  * Delay before setting the error, second;
557 557  * Delay before clearing the error, second;
558 558  * Lock – a flag to block the error until the device is restarted.
... ... @@ -559,6 +559,11 @@
559 559  
560 560  Error is set if corresponding discrete input is set up and it receives logical zero.
561 561  
573 +(% class="box warningmessage" %)
574 +(((
575 +If there is the "Insulation" error, the **“Critical error” **is generated.
576 +)))
577 +
562 562  === Critical error ===
563 563  
564 564  To change the critical error parameters, select the "Protections → Critical error" section:
... ... @@ -572,21 +572,26 @@
572 572  * Delay before clearing the error, second;
573 573  * Lock – a flag to block the error until the device is restarted.
574 574  
575 -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.
576 576  
577 -* “Battery cover error”;
578 -* “Cell monitor offline”;
579 -* “Cell count error”;
580 -* “ADC error”;
581 -* “Current sensor error”;
582 -* “Shunt offline”;
583 -* “Shunt error”;
584 -* “No temp. sensors”;
585 -* “Temp. sensor is shorted”;
586 -* “Settings error”;
587 -* “WDT reset”;
588 -* “Stuck contactor”;
589 -* “Contactor feedback error”;
590 -* “Insulation fault”.
591 -
592 592  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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