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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 6.4
edited by Admin
on 2025/02/26 12:04
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To version 14.1
edited by Admin
on 2025/04/09 12:20
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... ... @@ -96,7 +96,7 @@
96 96  * Enable – a flag to enable the protection;
97 97  * Minimum cell voltage, V;
98 98  * Tolerant cell voltage, V;
99 -* 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;
99 +* Check the open circuit voltage instead of the actual voltage – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
100 100  * Delay before setting the error, millisecond;
101 101  * Delay before clearing the error, second;
102 102  * Lock – a flag to block the error until the device is restarted.
... ... @@ -124,7 +124,7 @@
124 124  * Enable – a flag to enable the protection;
125 125  * Maximum cell voltage, V;
126 126  * Tolerant cell voltage, V;
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;
127 +* Check the open circuit voltage instead of the actual voltage – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
128 128  * Delay before setting the error, millisecond;
129 129  * Delay before clearing the error, second;
130 130  * Lock – a flag to block the error until the device is restarted.
... ... @@ -393,7 +393,6 @@
393 393  * Delay before setting the error, millisecond;
394 394  * Delay before clearing the error, second;
395 395  * Lock – a flag to block the error until the device is restarted.
396 -* Number of cycles – a number of the charging contactor switchings made during battery operation.
397 397  
398 398  If there is the high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
399 399  
... ... @@ -411,7 +411,7 @@
411 411  
412 412  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
413 413  
414 -[[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"]]
415 415  
416 416  In this section:
417 417  
... ... @@ -421,7 +421,6 @@
421 421  * Delay before setting the error, millisecond;
422 422  * Delay before clearing the error, second;
423 423  * Lock – a flag to block the error until the device is restarted.
424 -* Number of cycles – a number of the charging contactor switchings made during battery operation.
425 425  
426 426  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
427 427  
... ... @@ -522,6 +522,11 @@
522 522  
523 523  * charging and discharging contactors are open, but the “Charging current present” or “Discharging current present” signal is set.
524 524  
523 +(% class="box warningmessage" %)
524 +(((
525 +If there is the "Stuck contactor" error, the **“Critical error” **is generated.
526 +)))
527 +
525 525  === Contactor feedback ===
526 526  
527 527  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.
... ... @@ -541,6 +541,11 @@
541 541  
542 542  * a command for charging, precharge, discharging, charging/discharging or main contactor not matches its feedback value.
543 543  
547 +(% class="box warningmessage" %)
548 +(((
549 +If there is the "Contactor feedback" error, the **“Critical error” **is generated.
550 +)))
551 +
544 544  === Insulation ===
545 545  
546 546  The BMS Mini device can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
... ... @@ -547,11 +547,15 @@
547 547  
548 548  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
549 549  
550 -[[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"]]
551 551  
552 552  In this section:
553 553  
554 554  * 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;
555 555  * Delay before setting the error, second;
556 556  * Delay before clearing the error, second;
557 557  * Lock – a flag to block the error until the device is restarted.
... ... @@ -558,6 +558,11 @@
558 558  
559 559  Error is set if corresponding discrete input is set up and it receives logical zero.
560 560  
573 +(% class="box warningmessage" %)
574 +(((
575 +If there is the "Insulation" error, the **“Critical error” **is generated.
576 +)))
577 +
561 561  === Critical error ===
562 562  
563 563  To change the critical error parameters, select the "Protections → Critical error" section:
... ... @@ -571,21 +571,29 @@
571 571  * Delay before clearing the error, second;
572 572  * Lock – a flag to block the error until the device is restarted.
573 573  
574 -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.
575 575  
576 -* “Battery cover error”;
577 -* “Cell monitor offline”;
578 -* “Cell count error”;
579 -* “ADC error”;
580 -* “Current sensor error”;
581 -* “Shunt offline”;
582 -* “Shunt error”;
583 -* “No temp. sensors”;
584 -* “Temp. sensor is shorted”;
585 -* “Settings error”;
586 -* “WDT reset”;
587 -* “Stuck contactor”;
588 -* “Contactor feedback error”;
589 -* “Insulation fault”.
590 -
591 591  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 +(% class="box warningmessage" %)
614 +(((
615 +The state of the “General error” can be assigned to a discrete output or to a power switch.
616 +)))
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