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Changes for page 3.4 Protections

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71 71  
72 72  To change the overcurrent protection of the battery, select the "Protections → Discharge current limit" section:
73 73  
74 -[[image:1740571296344-411.png]]
74 +[[image:1740571296344-411.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="151" width="800"]]
75 75  
76 +In this section:
77 +
78 +* Enable – a flag to enable the protection;
79 +* Threshold to switch from Region 1 to Region 2 – a current value at which current excess calculation will be switched from absolute to relative difference, A;
80 +* Region 1: Current difference – a value of maximum absolute current difference, A;
81 +* Region 2: Current difference – a value of maximum relative current excess, A;
82 +* Delay before setting the error, millisecond;
83 +* Delay before clearing the error, second;
84 +* Lock – a flag to block the error until the device is restarted.
85 +
76 76  === Undervoltage ===
77 77  
78 78  The BMS Mini device implements battery protection from too low voltage on the cells.
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79 79  
80 80  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
81 81  
82 -[[image:1733748033237-837.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
92 +[[image:1740571345293-460.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
83 83  
84 84  In this section:
85 85  
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86 86  * Enable – a flag to enable the protection;
87 87  * Minimum cell voltage, V;
88 88  * 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;
89 89  * Delay before setting the error, millisecond;
90 90  * Delay before clearing the error, second;
91 91  * Lock – a flag to block the error until the device is restarted.
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106 106  
107 107  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
108 108  
109 -[[image:1733748033238-995.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
120 +[[image:1740571383842-536.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="147" width="800"]]
110 110  
111 111  In this section:
112 112  
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113 113  * Enable – a flag to enable the protection;
114 114  * Maximum cell voltage, V;
115 115  * 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;
116 116  * Delay before setting the error, millisecond;
117 117  * Delay before clearing the error, second;
118 -* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Overvoltage" error is generated;
119 119  * Lock – a flag to block the error until the device is restarted.
120 120  
121 121  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
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382 382  * Delay before setting the error, millisecond;
383 383  * Delay before clearing the error, second;
384 384  * Lock – a flag to block the error until the device is restarted.
385 -* Number of cycles – a number of the charging contactor switchings made during battery operation.
386 386  
387 387  If there is the high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
388 388  
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400 400  
401 401  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
402 402  
403 -[[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"]]
404 404  
405 405  In this section:
406 406  
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410 410  * Delay before setting the error, millisecond;
411 411  * Delay before clearing the error, second;
412 412  * Lock – a flag to block the error until the device is restarted.
413 -* Number of cycles – a number of the charging contactor switchings made during battery operation.
414 414  
415 415  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
416 416  
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536 536  
537 537  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
538 538  
539 -[[image:1733748083469-478.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
548 +[[image:1740573733492-485.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="119" width="800"]]
540 540  
541 541  In this section:
542 542  
543 543  * Enable – a flag to enable the protection;
553 +* Checking algorithm – isolation checking mode:
554 +** Always on – check is always performed;
555 +** On charging – check is performed only if “Charger connected” or “Charge request” is set;
556 +** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
544 544  * Delay before setting the error, second;
545 545  * Delay before clearing the error, second;
546 546  * Lock – a flag to block the error until the device is restarted.
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560 560  * Delay before clearing the error, second;
561 561  * Lock – a flag to block the error until the device is restarted.
562 562  
563 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
576 +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.
564 564  
565 -* “Battery cover error”;
566 -* “Cell monitor offline”;
567 -* “Cell count error”;
568 -* “ADC error”;
569 -* “Current sensor error”;
570 -* “Shunt offline”;
571 -* “Shunt error”;
572 -* “No temp. sensors”;
573 -* “Temp. sensor is shorted”;
574 -* “Settings error”;
575 -* “WDT reset”;
576 -* “Stuck contactor”;
577 -* “Contactor feedback error”;
578 -* “Insulation fault”.
579 -
580 580  The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
579 +
580 +=== General error ===
581 +
582 +To change the general error parameters, select the "Protections → Critical error" section:
583 +
584 +[[image:1740573914327-561.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="129" width="800"]]
585 +
586 +In this section:
587 +
588 +* Enable – a flag to enable the protection;
589 +* Delay before setting the error, millisecond;
590 +* Delay before clearing the error, second;
591 +* Lock – a flag to block the error until the device is restarted;
592 +* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
593 +
594 +The “General error” is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
595 +
596 +The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
597 +
598 +The state of the “General error” can be assigned to a discrete output or to a power switch.
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