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Changes for page 3.6 Battery protection

Last modified by Admin on 2025/04/09 12:25
From version 45.1
edited by Admin
on 2025/02/19 10:36
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To version 4.15
edited by Admin
on 2024/11/21 18:19
Change comment: There is no comment for this version

Summary

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Parent
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1 -Battery management systems.BMS Main 2\.1.3\. Configuration.WebHome
1 +drafts.bms-main-2-1.configuration.WebHome
Content
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1 -(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 -= Configuration =
3 -
4 -(% data-numbered-headings-start="6" style="--numbered-headings-start: 5;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 -== Battery protection ==
6 -
7 7  The BMS Main 2.x board continuously monitors the state of the cells, BMS Logic boards, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8 8  
9 -=== Overcurrent protection ===
3 +== 3.6.1 Overcurrent protection ==
10 10  
11 11  To change the current protection of the battery, select the menu "Protections → Overcurrent protection":
12 12  
13 -[[image:1732211959984-118.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="266" width="386"]]
7 +[[Overcurrent protection settings>>image:1732211959984-118.png||data-xwiki-image-style-alignment="center" height="266" width="386"]]
14 14  
15 15   In this section:
16 16  
... ... @@ -37,16 +37,16 @@
37 37  
38 38  (% class="box infomessage" %)
39 39  (((
40 -If there is the "Overcurrent" error, the **charging **and **discharging **relay open.
34 +If there is the "Overcurrent" error, the charging and discharging relay open.
41 41  )))
42 42  
43 -=== Undervoltage protection ===
37 +== 3.6.2 Undervoltage protection ==
44 44  
45 45  The board implements battery protection from too low or too high voltage on the cells.
46 46  
47 47  To change the battery protection parameters from low voltage on the cells, select the menu "Protections → Undervoltage protection":
48 48  
49 -[[image:1739960999969-617.png||alt="1739961158202-478.png" data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="228" width="351"]]
43 +[[Undervoltage protection settings>>image:1732212212350-294.png||data-xwiki-image-style-alignment="center" height="207" width="359"]]
50 50  
51 51   In this section:
52 52  
... ... @@ -53,7 +53,6 @@
53 53  * Enable – a flag to enable the protection;
54 54  * Minimum cell voltage, V;
55 55  * Tolerant cell voltage, V;
56 -* Check the open circuit voltage instead of the actual voltage – a flag to enable U,,ocv,, correction depending on cell current and resistance;
57 57  * Delay before setting the error, second;
58 58  * Delay before clearing the error, second;
59 59  * Lock the error until the device is reset.
... ... @@ -70,14 +70,14 @@
70 70  
71 71  (% class="box infomessage" %)
72 72  (((
73 -If there is the "Undervoltage" error, the **discharging **relay opens.
66 +If there is the "Undervoltage" error, the discharging relay opens.
74 74  )))
75 75  
76 -=== Overvoltage protection ===
69 +3.6.3 Overvoltage protection
77 77  
78 78  To change the battery protection parameters from high voltage on the cells, select the menu "Protections → Overvoltage protection":
79 79  
80 -[[image:1739961158202-478.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="237" width="353"]]
73 +[[image:1732212357972-295.png]]
81 81  
82 82  In this section:
83 83  
... ... @@ -84,7 +84,6 @@
84 84  * Enable – a flag to enable the protection;
85 85  * Maximum cell voltage, V;
86 86  * Tolerant cell voltage, V;
87 -* Check the open circuit voltage instead of the actual voltage – a flag to enable U,,ocv,, correction depending on cell current and resistance;
88 88  * Delay before setting the error, second;
89 89  * Delay before clearing the error, second;
90 90  * Switch off the discharging relay on error – a flag to open the discharging relay when the "Overvoltage" error is generated;
... ... @@ -102,16 +102,15 @@
102 102  
103 103  (% class="box infomessage" %)
104 104  (((
105 -If there is the "Overvoltage" error, the **charging **relay and **discharging **relay opens (if the “Switch off the discharging relay on error” flag is set).
97 +If there is the "Overvoltage" error, the charging relay and discharging relay opens (if the “Switch off the discharging relay on error” flag is set).
106 106  )))
107 107  
108 -=== Low temperature protection ===
100 +== 3.6.4 Low temperature protection ==
109 109  
110 110  The board implements battery protection from too low temperature.
111 111  
112 112  To change the battery protection parameters from low temperature, select the menu "Protections → Low temperature protection":
113 113  
114 -[[image:1732213953083-955.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="237" width="338"]]
115 115  
116 116  In this section:
117 117  
... ... @@ -136,17 +136,16 @@
136 136  
137 137  (% class="box infomessage" %)
138 138  (((
139 -If there is the "Low CH temperature" error, the **charging **relay opens.
140 -If there is the "Low DCH temperature" error, the **discharging **relay opens.
130 +If there is the "Low CH temperature" error, the charging relay opens.
131 +If there is the "Low DCH temperature" error, the discharging relay opens.
141 141  )))
142 142  
143 -=== High temperature protection ===
134 +== 3.6.5 High temperature protection ==
144 144  
145 145  The board implements battery protection from too high temperature.
146 146  
147 147  To change the battery protection parameters from high temperature, select the menu "Protections → High temperature protection":
148 148  
149 -[[image:1732213990755-759.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="258" width="370"]]
150 150  
151 151  In this section:
152 152  
... ... @@ -171,16 +171,14 @@
171 171  
172 172  (% class="box infomessage" %)
173 173  (((
174 -If there is the "High CH temperature" error, the **charging **relay opens.
175 -If there is the "High DCH temperature" error, the **discharging **relay opens.
164 +If there is the "High CH temperature" error, the charging relay opens.
165 +If there is the "High DCH temperature" error, the discharging relay opens.
176 176  )))
177 177  
178 -=== Battery cover protection ===
168 +== 3.6.6 Battery cover protection ==
179 179  
180 180  To change the protection parameters from opening the battery cover, select the menu "Protections → Battery cover protection":
181 181  
182 -[[image:1732214030014-281.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="334"]]
183 -
184 184  In this section:
185 185  
186 186  * Enable – a flag to enable the protection;
... ... @@ -200,22 +200,21 @@
200 200  
201 201  (% class="box warningmessage" %)
202 202  (((
203 -If there is the "Battery cover error", the **“Critical error” **is generated and **all relays open.**
191 +**If there is the "Battery cover error", the “Critical error” is generated and all relays open.**
204 204  )))
205 205  
206 -=== High humidity protection ===
194 +== 3.6.7 High humidity protection ==
207 207  
208 208  The board can protect the battery from high humidity and water.
209 209  
210 210  To change the protection parameters of the battery from high humidity, select the menu "Protections → High humidity protection":
211 211  
212 -[[image:1732214076060-358.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="185" width="321"]]
213 213  
214 214  In this section:
215 215  
216 216  * Enable – a flag to enable the protection;
217 -* Maximum humidity, RH%;
218 -* Tolerant humidity, RH%;
204 +* Maximum humidty, RH%;
205 +* Tolerant humidty, RH%;
219 219  * Delay before setting the error, second;
220 220  * Delay before clearing the error, second;
221 221  * Lock the error until the device is reset.
... ... @@ -235,11 +235,10 @@
235 235  If there is the "High humidity" error, no action is taken. The error is indicative.
236 236  )))
237 237  
238 -=== Water protection ===
225 +== 3.6.8  Water protection ==
239 239  
240 240  To change the protection parameters of the battery from water, select the menu "Protections → Water protection":
241 241  
242 -[[image:1732214111990-184.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="199" width="340"]]
243 243  
244 244  In this section:
245 245  
... ... @@ -262,16 +262,15 @@
262 262  
263 263  (% class="box warningmessage" %)
264 264  (((
265 -If there is the “Water” error,** **the **“Critical error”** is generated and **all relays open.**
251 +**If there is the “Water” error, the “Critical error” is generated and all relays open.**
266 266  )))
267 267  
268 -=== Current sensor error ===
254 +== 3.6.9 Current sensor error ==
269 269  
270 270  The board is implemented to check the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
271 271  
272 272  To change the test parameters of the current sensor connection circuits, select the menu "Protections → Current sensor error":
273 273  
274 -[[image:1732214146724-132.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="438" width="365"]]
275 275  
276 276  In this section:
277 277  
... ... @@ -296,16 +296,15 @@
296 296  
297 297  (% class="box warningmessage" %)
298 298  (((
299 -If there is the “Current sensor error”, the **“Critical error” **is generated and **all relays open.**
284 +**If there is the “Current sensor error”, the “Critical error” is generated and all relays open.**
300 300  )))
301 301  
302 -=== Short circuit protection ===
287 +== 3.6.10 Short circuit protection ==
303 303  
304 304  The BMS implements a protection of power circuits (contactors, power cables) against overheating caused by the flow of high current for a long time.
305 305  
306 306  To change the protection parameters from short circuit, select the menu "Protections → Short circuit protection":
307 307  
308 -[[image:1732214207026-822.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="528" width="371"]]
309 309  
310 310  In this section:
311 311  
... ... @@ -330,16 +330,15 @@
330 330  
331 331  (% class="box infomessage" %)
332 332  (((
333 -If there is the "Short circuit" error, the **charging **relay opens (the “Switch off the charging relay on error” flag is set) and the **discharging **relay opens (the “Switch off the discharging relay on error flag” is set).
317 +If there is the "Short circuit" error, the charging relay opens (the “Switch off the charging relay on error” flag is set) and the discharging relay opens (the “Switch off the discharging relay on error flag” is set).
334 334  )))
335 335  
336 -=== Contactor high temperature protection ===
320 +== 3.6.11 Contactor high temperature protection ==
337 337  
338 338  The BMS protects power contactors from overheating. To measure the temperature of the contactor, a thermistor is used, connected to the P13 connector of the board. Configuring of the analog input for temperature measurement is described in section Input signals.
339 339  
340 340  To change the overheating protection parameters of power contactors, select the menu "Protections → Contactor high temperature protection":
341 341  
342 -[[image:1732214237851-405.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="234" width="336"]]
343 343  
344 344  In this section:
345 345  
... ... @@ -364,554 +364,45 @@
364 364  
365 365  (% class="box infomessage" %)
366 366  (((
367 -If there is the "Contactor high temperature" error, the **charging **relay opens (the “Switch off the charging relay on error” flag is set) and the **discharging **relay opens (the “Switch off the discharging relay on error flag” is set).
350 +If there is the "Contactor high temperature" error, the charging relay opens (the “Switch off the charging relay on error” flag is set) and the discharging relay opens (the “Switch off the discharging relay on error flag” is set).
368 368  )))
369 369  
370 -=== Unallowable charging protection ===
353 +== 3.6.12 Unallowable charging protection ==
371 371  
372 -The BMS can detect that the battery is charging through the discharging circuit and protectively open the discharging relay to prevent unallowable battery operation.
355 +== 3.6.13 Stuck contactor protection ==
373 373  
374 -To change the parameters of the unallowable charging protection, select the menu "Protections → Unallowable charging protection":
357 +== 3.6.14 Contactor feedback check ==
375 375  
376 -[[image:1732214272022-547.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="312"]]
359 +== 3.6.15 Charging contactor cycles protection ==
377 377  
378 -In this section:
361 +== 3.6.16 Discharging contactor cycles protection ==
379 379  
380 -* Enable – a flag to enable the protection;
381 -* Delay before setting the error, second;
382 -* Delay before clearing the error, second;
383 -* Lock the error until the device is reset.
363 +== 3.6.17 Temperature sensor error ==
384 384  
385 -If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
365 +== 3.6.18 Logic high temperature protection ==
386 386  
387 -Error generation conditions:
367 +== 3.6.19 Logic offline protection ==
388 388  
389 -* the charging relay is open and the battery current is not zero during the “Delay before setting the error” time.
369 +== 3.6.20 Cell count protection ==
390 390  
391 -Conditions for removing the error:
371 +== 3.6.21 Logic count protection ==
392 392  
393 -* the battery current is zero during the “Delay before clearing the error” time.
373 +== 3.6.22 WDT protection ==
394 394  
395 -(% class="box infomessage" %)
396 -(((
397 -If there is the "Unallowable charging" error, the **discharging **relay opens.
398 -)))
375 +== 3.6.23 Insulation monitoring ==
399 399  
400 -=== Stuck contactor protection ===
377 +== 3.6.24 Critical error parameters ==
401 401  
402 -The BMS Main 2.x protects contactors against sticking.
379 +== 3.6.25 General error parameters ==
403 403  
404 -To change the protection parameters against sticking, select the menu "Protections → Stuck contactor protection":
381 +== 3.6.26 Low SOC signal ==
405 405  
406 -[[image:1732214367207-318.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="152" width="331"]]
383 +== 3.6.27 High charging current signal ==
407 407  
408 -In this section:
385 +== 3.6.28 Heater control ==
409 409  
410 -* Enable – a flag to enable the protection;
411 -* Delay before setting the error, second;
412 -* Delay before clearing the error, second;
413 -* Lock the error until the device is reset;
387 +== 3.6.29 Heater (AUX) control ==
414 414  
415 -If there is a stuck contactor, the “Stuck contactor” error is generated.
389 +== 3.6.30 Cooler control ==
416 416  
417 -Error generation conditions:
418 -
419 -* charging and discharging contactors are open, but the “Charging current present” or “Discharging current present” signal is set.
420 -
421 -(% class="box warningmessage" %)
422 -(((
423 -If there is the “Stuck contactor error”, the **“Critical error” **is generated and **all relays open.**
424 -)))
425 -
426 -=== Contactor feedback check ===
427 -
428 -The BMS Main 2.x can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, one of the discrete input must be set as corresponding contactor feedback signal (see [[Input and output signals>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.3 Input and output signals.WebHome]]).
429 -
430 -To change the contactor feedback check parameters, select the menu "Protections → Contactor feedback check":
431 -
432 -[[image:1732214400721-274.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="150" width="323"]]
433 -
434 -In this section:
435 -
436 -* Enable – a flag to enable the protection;
437 -* Delay before setting the error, second;
438 -* Delay before clearing the error, second;
439 -* Lock the error until the device is reset;
440 -
441 -If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
442 -
443 -* discrete output of charging, precharge, discharging, charging/discharging or main contactor not matches its feedback value.
444 -
445 -(% class="box warningmessage" %)
446 -(((
447 -If there is the contactor feedback error, the **“Critical error” **is generated and **all relays open.**
448 -)))
449 -
450 -=== Charging contactor cycles protection ===
451 -
452 -The BMS protects the charging contactor against frequent switching.
453 -
454 -To change the protection parameters against high frequency switching of the charging contactor, select the menu "Protections → Charging contactor cycles protection":
455 -
456 -[[image:1732214432750-543.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="260" width="336"]]
457 -
458 -In this section:
459 -
460 -* Enable – a flag to enable the protection;
461 -* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
462 -* Period – a time in which the BMS counts switchings of the charging contactor, second;
463 -* Delay before setting the error, second;
464 -* Delay before clearing the error, second;
465 -* Lock the error until the device is reset;
466 -* Cycles – a number of the charging contactor switchings made during battery operation.
467 -
468 -If there is the high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
469 -
470 -Error generation conditions:
471 -
472 -* the number of switchings of the charging contactor for the “Period” time is greater than or equal to the “Cycles threshold” value. The error is generated with the “Delay before setting the error” delay.
473 -
474 -Conditions for removing the error:
475 -
476 -* the “Delay before clearing the error” time has passed since the error was generated.
477 -
478 -(% class="box infomessage" %)
479 -(((
480 -If there is the "CH contactor cycles error" error, the **charging **relay opens.
481 -)))
482 -
483 -=== Discharging contactor cycles protection ===
484 -
485 -The BMS protects the discharging contactor against frequent switching.
486 -
487 -To change the protection parameters against high frequency switching of the discharging contactor, select the menu "Protections → Discharging contactor cycles protection":
488 -
489 -[[image:1732214468462-541.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="269" width="346"]]
490 -
491 -In this section:
492 -
493 -* Enable – a flag to enable the protection;
494 -* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
495 -* Period – a time in which the BMS counts switchings of the charging contactor, second;
496 -* Delay before setting the error, second;
497 -* Delay before clearing the error, second;
498 -* Lock the error until the device is reset;
499 -* Cycles – a number of the charging contactor switchings made during battery operation.
500 -
501 -If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
502 -
503 -Error generation conditions:
504 -
505 -* the number of switchings of the discharging contactor for the “Period” time is greater than or equal to the “Cycles threshold” value. The error is generated with the “Delay before setting the error” delay.
506 -
507 -Conditions for removing the error:
508 -
509 -* the “Delay before clearing the error” time has passed since the error was generated.
510 -
511 -(% class="box infomessage" %)
512 -(((
513 -If there is the "DCH contactor cycles error" error, the **discharging **relay opens.
514 -)))
515 -
516 -=== Temperature sensor error ===
517 -
518 -The board is implemented to check the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
519 -
520 -To change the protection parameters of the temperature sensors circuits, select the menu "Protections → Temperature sensor error":
521 -
522 -[[image:1732214501360-654.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="334"]]
523 -
524 -In this section:
525 -
526 -* Enable – a flag to enable the protection;
527 -* Delay before setting the error, second;
528 -* Delay before clearing the error, second;
529 -* Lock the error until the device is reset.
530 -
531 -If there are no temperature sensors connected to a BMS Logic board or any temperature sensor is shorted, the "No temp. sensors" error and "Temp. sensor is shorted" error are generated respectively. These errors generated and removed with the “Delay before setting the error” and “Delay before clearing the error” delays.
532 -
533 -(% class="box warningmessage" %)
534 -(((
535 -If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error” **is generated and **all relays open.**
536 -)))
537 -
538 -=== Logic high temperature protection ===
539 -
540 -To change the overheating protection parameters of BMS Logic boards, select the menu "Protections → Logic high temperature protection":
541 -
542 -[[image:1732214545352-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="156" width="309"]]
543 -
544 -In this section:
545 -
546 -* Enable – a flag to enable the protection;
547 -* Maximum Logic temperature, °C;
548 -* Tolerant Logic temperature, °C;
549 -* Lock the error until the device is reset.
550 -
551 -As a result of the operation of the protection from high temperatures of BMS Logic boards, the "Logic high temperature" is generated.
552 -
553 -Error generation conditions:
554 -
555 -* a BMS Logic board temperature is higher than the “Maximum Logic temperature” value.
556 -
557 -Conditions for removing the error:
558 -
559 -* a BMS Logic board temperature is less than the “Tolerant Logic temperature” value.
560 -
561 -(% class="box infomessage" %)
562 -(((
563 -Cell balancing is prohibited for overheated boards.
564 -)))
565 -
566 -=== Logic offline protection ===
567 -
568 -To change the protection parameters from loss of communication with BMS Logic boards, select the menu "Protections → Logic offline protection":
569 -
570 -[[image:1732214579147-515.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="107" width="204"]]
571 -
572 -In this section:
573 -
574 -* Enable – a flag to enable the protection;
575 -* Lock the error until the device is reset.
576 -
577 -As a result of the protection from loss of communication with BMS Logic boards, the "Logic offline" error is generated.
578 -
579 -Error generation conditions:
580 -
581 -* at least one of the connected BMS Logic boards does not respond to the commands of the BMS Main 2.x board for 10 seconds.
582 -
583 -Conditions for removing the error:
584 -
585 -* all connected BMS Logic boards respond to the commands of the BMS Main 2.x board.
586 -
587 -(% class="box warningmessage" %)
588 -(((
589 -If there is the "Logic offline" error, the **“Critical error”** is generated and **all relays open.**
590 -)))
591 -
592 -=== Cell count protection ===
593 -
594 -To change the protection parameters from the mismatch of the number of cells to the set value, select the menu "Protections → Cell count protection":
595 -
596 -[[image:1732214641606-453.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="341"]]
597 -
598 -In this section:
599 -
600 -* Enable – a flag to enable the protection;
601 -* Cell count – a number of cells connected to the BMS;
602 -* Delay before setting the error, second;
603 -* Delay before clearing the error, second;
604 -* Lock the error until the device is reset.
605 -
606 -As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
607 -
608 -Error generation conditions:
609 -
610 -* the number of cells connected to the BMS is **not equal** to the “Cell count” value during the “Delay before setting the error” time.
611 -
612 -Conditions for removing the error:
613 -
614 -* the number of cells connected to the BMS is **equal** to the “Cell count” value during the “Delay before clearing the error” time.
615 -
616 -(% class="box warningmessage" %)
617 -(((
618 -If there is the "Cell count error",** **the **“Critical error”** is generated and **all relays open.**
619 -)))
620 -
621 -=== Logic count protection ===
622 -
623 -To change the protection parameters from the mismatch of the number of BMS Logic boards to the set value, select the menu "Protections → Logic count protection":
624 -
625 -[[image:1732214675358-202.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="230"]]
626 -
627 -In this section:
628 -
629 -* Enable – a flag to enable the protection;
630 -* Logic count – a number of BMS Logic boards connected to the BMS Main 2.x;
631 -* Fast scanning – a flag to scan BMS Logic boards fast (boards with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
632 -* Lock the error until the device is reset.
633 -
634 -As a result of the operation of the protection from the mismatch of the number of BMS Logic boards, the "Logic count error" is generated.
635 -
636 -Error generation conditions:
637 -
638 -* the number of BMS Logic boards connected to the BMS Main 2.x is **not equal** to the “Logic count” value.
639 -
640 -Conditions for removing the error:
641 -
642 -* the number of BMS Logic boards connected to the BMS Main is **equal** to the “Logic count” value.
643 -
644 -(% class="box warningmessage" %)
645 -(((
646 -If there is the "Logic count error", the **“Critical error” **is generated and **all relays open.**
647 -)))
648 -
649 -=== WDT protection ===
650 -
651 -If the BMS firmware hangs, the watchdog timer resets the board. The BMS can detect that the board was reset and generates the “WDT reset” error.
652 -
653 -To change the parameters of the watchdog protection, select the menu "Protections → WDT protection":
654 -
655 -[[image:1732214703914-144.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="323"]]
656 -
657 -In this section:
658 -
659 -* Enable – a flag to enable the protection;
660 -* Delay before clearing the error, second;
661 -* Lock the error until the device is reset.
662 -
663 -Conditions for removing the error:
664 -
665 -* the “Delay before clearing the error” time has passed from the board startup.
666 -
667 -(% class="box warningmessage" %)
668 -(((
669 -If there is the "WDT reset" error, the **“Critical error”** is generated and** all relays open.**
670 -)))
671 -
672 -=== Insulation monitoring ===
673 -
674 -BMS Main 2.x can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
675 -
676 -To change the insulation monitoring parameters, select the menu "Protections → Insulation monitoring":
677 -
678 -[[image:1732214731490-961.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="315"]]
679 -
680 -In this section:
681 -
682 -* Enable – a flag to enable the protection;
683 -* Algorithm:
684 -** Always;
685 -** On charging;
686 -** Except charging;
687 -* Delay before setting the error, second;
688 -* Delay before clearing the error, second;
689 -* Lock the error until the device is reset.
690 -
691 -Error is set if corresponding discrete input is set up and it received logical zero.
692 -
693 -(% class="box warningmessage" %)
694 -(((
695 -If there is the "Insulation monitoring" error, the **“Critical error”** is generated and** all relays open.**
696 -)))
697 -
698 -=== Critical error parameters ===
699 -
700 -To change the critical error parameters, select the menu "Protections → Critical error parameters":
701 -
702 -[[image:1732214761141-983.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="158" width="348"]]
703 -
704 -In this section:
705 -
706 -* Enable – a flag to enable the protection;
707 -* Delay before setting the error, second;
708 -* Delay before clearing the error, second;
709 -* Lock the error until the device is reset.
710 -
711 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
712 -
713 -* “Battery cover error”;
714 -* “Water”;
715 -* “Logic offline”;
716 -* “Cell count error”;
717 -* “Logic count error”;
718 -* “ADC error”;
719 -* “No temp. sensors”;
720 -* “Temp. sensor is shorted”;
721 -* “Current sensor error”;
722 -* "Stuck contactor";
723 -* "Contactor feedback";
724 -* “Shunt offline”;
725 -* “Shunt error”;
726 -* “Settings error”;
727 -* “WDT reset”
728 -* "Insulation monitoring".
729 -
730 -The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
731 -
732 -(% class="box warningmessage" %)
733 -(((
734 -**If there is the “Critical error”, all relays open.**
735 -)))
736 -
737 -=== General error parameters ===
738 -
739 -To change the general error parameters, select the menu "Protections → General error parameters":
740 -
741 -[[image:1732214987517-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="535" width="349"]]
742 -
743 -In this section:
744 -
745 -* Enable – a flag to enable the protection;
746 -* Delay before setting the error, second;
747 -* Delay before clearing the error, second;
748 -* Lock the error until the device is reset;
749 -* Errors – a section to select errors that should trigger General error.
750 -
751 -The general error flag is generated if at least one of the selected errors is generated during the “Delay before setting the error” time.
752 -
753 -The “General error” is cleared if there are no errors from selected list during the “Delay before clearing the error” time.
754 -
755 -(% class="box infomessage" %)
756 -(((
757 -The "General error" is //indicative //and can be linked to any discrete output of the board.
758 -)))
759 -
760 -=== Low SOC signal ===
761 -
762 -To change the parameters of the generation a signal about low battery level, select the menu "Protections → Low SOC signal":
763 -
764 -[[image:1732215174961-645.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="186" width="325"]]
765 -
766 -In this section:
767 -
768 -* Enable – a flag to enable signal generation;
769 -* Minimum SOC, %;
770 -* Tolerant SOC, %;
771 -* Delay before setting the signal, second;
772 -* Delay before clearing the signal, second;
773 -* Lock the signal until the device is reset.
774 -
775 -Signal generation conditions:
776 -
777 -* the battery SOC is less than the “Minimum SOC” value during the “Delay before setting the signal” time.
778 -
779 -Conditions for clearing the signal:
780 -
781 -* the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
782 -
783 -(% class="box infomessage" %)
784 -(((
785 -The "Low SOC signal" is //indicative //and can be linked to any discrete output of the board.
786 -)))
787 -
788 -=== High charging current signal ===
789 -
790 -To change the parameters of the generation high-current signal, select the menu "Protections → High charging current signal":
791 -
792 -[[image:1732215211714-445.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="181" width="322"]]
793 -
794 -In this section:
795 -
796 -* Enable – a flag to enable signal generation;
797 -* Maximum charging current, А;
798 -* Tolerant charging current, А;
799 -* Delay before setting the signal, second;
800 -* Delay before clearing the signal, second;
801 -* Lock the signal until the device is reset.
802 -
803 -Signal generation conditions:
804 -
805 -* the measured current is greater than the “Maximum charging current” value during the “Delay before setting the signal” time.
806 -
807 -Conditions for clearing the signal:
808 -
809 -* the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
810 -
811 -(% class="box infomessage" %)
812 -(((
813 -The "High charging current" signal is //indicative //and can be linked to any discrete output of the board.
814 -)))
815 -
816 -=== Heater control ===
817 -
818 -To change the parameters of the heater control algorithm, select the menu "Protections → Heater control":
819 -
820 -[[image:1732215252650-791.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="233" width="370"]]
821 -
822 -In this section:
823 -
824 -* Enable – a flag to enable heater control;
825 -* Minimum cell temperature, °C;
826 -* Tolerant cell temperature, °C;
827 -* Delay before setting the signal, second;
828 -* Delay before clearing the signal, second;
829 -* Lock the signal until the device is reset;
830 -* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
831 -
832 -As a result of operating the heating algorithm, the “Heater” signal is generated.
833 -
834 -Conditions of signal generation:
835 -
836 -* The minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before setting the signal” time.
837 -
838 -Conditions for clearing the signal:
839 -
840 -* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
841 -
842 -(% class="box infomessage" %)
843 -(((
844 -If there is the "Heater" signal, the **heater **relay closes and/or a signal is output to the corresponded digital output.
845 -)))
846 -
847 -=== Heater (AUX) control ===
848 -
849 -To change the parameters of the auxiliary heater control algorithm, select the menu "Protections → Heater (AUX) control":
850 -
851 -[[image:1732215282135-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="228" width="361"]]
852 -
853 -In this section:
854 -
855 -* Enable – a flag to enable heater control;
856 -* Minimum cell temperature, °C;
857 -* Tolerant cell temperature, °C;
858 -* Delay before setting the signal, second;
859 -* Delay before clearing the signal, second;
860 -* Lock the signal until the device is reset;
861 -* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
862 -
863 -As a result of operating the heating algorithm, the “Heater (AUX)” signal is generated.
864 -
865 -Conditions of signal generation:
866 -
867 -* The minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before setting the signal” time.
868 -
869 -Conditions for clearing the signal:
870 -
871 -* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
872 -
873 -(% class="box infomessage" %)
874 -(((
875 -If there is the "Heater (AUX)" signal, the **auxiliary heater **relay closes and/or a signal is output to the corresponded digital output.
876 -)))
877 -
878 -=== Cooler control ===
879 -
880 -To change the parameters of the cooler control algorithm, select the menu "Protections → Cooler control":
881 -
882 -[[image:1732215313977-499.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="219" width="348"]]
883 -
884 -In this section:
885 -
886 -* Enable – a flag to enable cooler control;
887 -* Maximum cell temperature, °C;
888 -* Tolerant cell temperature, °C;
889 -* Delay before setting the signal, second;
890 -* Delay before clearing the signal, second;
891 -* Lock the signal until the device is reset;
892 -* Switch off the cooler relay on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
893 -
894 -As a result of operating the cooling algorithm, the "Cooler" signal is generated.
895 -
896 -Conditions of signal generation:
897 -
898 -* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before setting the signal” time.
899 -
900 -Conditions for clearing the signal:
901 -
902 -* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
903 -
904 -(% class="box infomessage" %)
905 -(((
906 -If there is the "Cooler" signal, the **cooler **relay closes and/or a signal is output to the corresponded digital output.
907 -)))
908 -
909 -=== Fault simulation ===
910 -
911 -The board provides the ability to manually generate error flags bypassing the protection algorithms. This functionality is intended for commissioning.
912 -
913 -To simulate battery and BMS errors, select the menu "Protections → Fault simulation":
914 -
915 -[[image:1732215359330-850.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="732" width="204"]]
916 -
917 -To simulate errors, set the necessary flags and click on the "Save" button.
391 +== 3.6.31 Fault simulation ==
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