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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 76.4
edited by Admin
on 2026/03/31 12:36
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To version 30.2
edited by Admin
on 2024/12/26 16:40
Change comment: There is no comment for this version

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1 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 =
2 += Settings =
3 3  
4 4  (% 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;" %)
5 5  == Control ==
... ... @@ -12,31 +12,27 @@
12 12  
13 13  In this section:
14 14  
15 -* **Cell capacity** – nominal capacity of cells, Ah;
16 -* **Cell resistance** – nominal (maximum) internal resistance of the cells, Ohm;
17 -* **Connection of cells:**
18 -** **Serial **– all cells are connected in series in a single string.
19 -** **Parallel-Serial **– cells are grouped in parallel and serial items;
20 -* **Parallel-Serial: Number of Logic devices in a chain**;
21 -* **Parallel-Serial: Number of parallel chains in a block**;
22 -* **Parallel-Serial: Number of serial blocks in a string**;
23 -* **Relax time (after charging)** – a relaxation time after charging, second;
24 -* **Relax time (atfer discharging)** – a relaxation time after discharging, second;
25 -* **Reset SOC** – a command to reset cells state of charge. New cell SOC values will be calculated based on cell voltage and “Uocv (open-circuit voltage) table”: in the “Control → SOC estimation” section;
26 -* **Reset resistance** – a command to reset cells resistance to “Cell resistance” value;
27 -* **Reset capacity** – a command to reset cells capacity to “Cell capacity” value;
28 -* **Method of calculating the battery voltage***:
29 -** **Summation of cell voltages** – the overall voltage is calculated as on sum of all cells in the battery;
30 -** **Using voltage before contactors** – the overall voltage is estimated as voltage before contactors measured by BMS.
15 +* Cell capacity – nominal capacity of cells, Ah;
16 +* Cell resistance – nominal (maximum) internal resistance of the cells, Ohm;
17 +* Relax time (after charging) – a relaxation time after charging, second;
18 +* Relax time (atfer discharging) – a relaxation time after discharging, second;
19 +* Reset parameters – a command to reset cells state of charge, capacity, and resistance;
20 +* Method of calculating the battery voltage:
21 +** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery;
22 +** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS.
31 31  
32 -The **"Parallel-Serial"** connection works as follows: a bunch of serial connected Logics are grouped into chains. A bunch of parallel connected chains are grouped to blocks. A bunch of serial connected blocks are grouped into string. By configuring the corresponding settings it is possible to create a complex string configuration. Current through each chain will be estimated as a fraction of overall current accordingly to the number of chains in a block.
24 +The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery.
33 33  
34 -The values **“Capacity”** and **“Resistance”** are used to calculate the SOC of cells and the battery.
26 +The values of “Relax time” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
35 35  
36 -The values of **“Relax time”** are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
28 +The “Reset parameters” will reset:
37 37  
38 -The **“Reset ”** command is used for starting-up and adjustment of the battery.
30 +* state of charge (new cell SOC values will be calculated based on cell voltage and “Uocv (open-circuit voltage) table”: in the “Control → SOC estimation” section);
31 +* cell resistance to “Cell resistance” value;
32 +* battery capacity to “Cell capacity” value.
39 39  
34 +The “Reset parameters” command is used for starting-up and adjustment of the battery.
35 +
40 40  === SOC estimation ===
41 41  
42 42  The BMS Main 3 device calculates the state of charge of the battery (SOC) using two algorithms:
... ... @@ -74,8 +74,8 @@
74 74  
75 75  * Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells;
76 76  * Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC;
77 -* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
78 -* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC.
73 +* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell have 100% SOC, b) 0% if any cell have 0% SOC;
74 +* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC;
79 79  
80 80  Other parameters:
81 81  
... ... @@ -106,27 +106,6 @@
106 106  * Ignore the linear zone – a flag to ignore linear SOC zone while correction (recommended to be unset);
107 107  * Last correction timestamp – time when last correction was made.
108 108  
109 -=== SOH estimation ===
110 -
111 -The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms:
112 -
113 -* By effective capacity;
114 -* By total charge-.
115 -
116 -In "By effective capacity" mode SOH is calculated as a ratio of effective capacity to nominal capacity. Effective capacity is estimated to DOD value when battery SOC reaches 0%, so SOH is recalculated each full battery discharge.
117 -
118 -In "By total charge-" mode SOH is calculated as a linear function of "Total charge-" counter. While "Total charge-" constantly increases during battery operation, SOH will be linearly decrease at the same time. This mode requires a confirmed data about cell health depending of amount of discharge rate to configure the linear function.
119 -
120 -To configure parameters for battery state of health calculation, select the "Control → SOH correction" section:
121 -
122 -[[image:1765447975228-766.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]In this section:
123 -
124 -* Algorithm:
125 -** By effective capacity;
126 -** By total charge-;
127 -* Total charge: Charge- –  total amount of charge- for expected SOH;
128 -* Total charge: SOH –  expected SOH value at the total amount of charge-.
129 -
130 130  === Resistance estimation ===
131 131  
132 132  Calculation of the resistance of cells is carried out in two ways. The first method is used when the battery passes from a relaxation state to a charge or discharge state, wherein the cell resistance value
... ... @@ -238,18 +238,18 @@
238 238  * Enable – a flag to start calculation of the charge current limit;
239 239  * Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
240 240  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
241 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature;
216 +* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current Kcs depending on SOC and battery temperature;
242 242  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
243 -* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
218 +* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on contactor temperature;
244 244  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
245 -* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
220 +* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current Kcv depending on maximum cell voltage;
246 246  * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
247 -* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
222 +* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current Kct depending on maximum cell temperature;
248 248  * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
249 249  
250 250  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
251 251  
252 -**Charge current limit = Maximum charge current × Kcs × Kcc × Kcv × Kct**
227 +**Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct**
253 253  
254 254  === Discharge map ===
255 255  
... ... @@ -266,18 +266,18 @@
266 266  * Enable – a flag to start calculation of the discharge current limit;
267 267  * Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
268 268  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
269 -* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
244 +* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current Kds depending on SOC and temperature;
270 270  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
271 -* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
246 +* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current Kdc depending on contactor temperature;
272 272  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
273 -* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
248 +* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current Kdv depending on minimum cell voltage;
274 274  * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
275 -* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
250 +* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current Kdt depending on maximum cell temperature;
276 276  * Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
277 277  
278 278  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
279 279  
280 -**Discharge current limit = Maximum discharge current × Kds × Kdc × Kdv × Kdt**
255 +**Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt**
281 281  
282 282  === Charge map (PEAK & CONTINUOUS) ===
283 283  
... ... @@ -340,19 +340,36 @@
340 340  The Main contactor algorithm supports the following modes:
341 341  
342 342  * Always on;
343 -* Automatic.
318 +* Automatic;
319 +* On demand.
344 344  
345 345  In “Always on” mode main contactor closes if all the following is true:
346 346  
347 -* Other contactors are open;
348 -* There are no errors from the "Errors 1, 2 ..." bitfileds.
323 +* Charging contactor is open;
324 +* Discharging contactor is open;
325 +* There are no errors from the list below:
326 +** Overcurrent;
327 +** Undervoltage;
328 +** Overvoltage;
329 +** High temperature (CH);
330 +** High temperature (DCH);
331 +** Unallowable charging;
332 +** Critical error.
349 349  
350 350  In “Always on” mode main contactor opens if all the following is true:
351 351  
352 -* Other contactors are open;
353 -* There is an error from the the "Errors 1, 2 ..." bitfileds.
336 +* Charging contactor is open;
337 +* Discharging contactor is open;
338 +* There is an error from the list below:
339 +** Overcurrent;
340 +** Undervoltage;
341 +** Overvoltage;
342 +** High temperature (CH);
343 +** High temperature (DCH);
344 +** Unallowable charging;
345 +** Critical error.
354 354  
355 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
347 +In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
356 356  
357 357  In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
358 358  
... ... @@ -381,20 +381,13 @@
381 381  
382 382  To change the parameters of charging process status, select the "Control → Charging status" section:
383 383  
384 -[[image:1771432488941-251.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="800"]]
376 +[[image:1735064935499-941.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]In this section:
385 385  
386 -In this section:
387 -
388 388  * Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
389 389  * Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
390 -* Voltage to clear the “Ready to charge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
391 -* Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
392 -* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
393 -* Treat negative currents as zero currents for generating the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal at discharging current;
380 +* Voltage to clear the “Ready to charge” – a threshold voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
381 +* Voltage to reset the “Ready to charge” – a tolerant voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
394 394  * Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
395 -* Check the 'Charge current limit' value to generate the 'Ready to charge' – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
396 -* Charge current limit to clear the 'Ready to charge' – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
397 -* Charge current limit to set the 'Ready to charge' – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
398 398  * Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
399 399  
400 400  (% class="box infomessage" %)
... ... @@ -406,42 +406,30 @@
406 406  
407 407  === Discharging status ===
408 408  
409 -To change the parameters of discharging process status, select the "Control → Discharging status" section:
394 +To change the parameters of charging process status, select the "Control → Discharging status" section:
410 410  
411 -[[image:1771431570393-551.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]
396 +[[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]In this section:
412 412  
413 -In this section:
414 -
415 415  * Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
416 416  * Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
417 -* Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
418 -* Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
419 -* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
420 -* Treat positive currents as zero currents for generating the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal at charging current;
421 -* Check the 'Discharge current limit' value to generate the 'Ready to discharge' – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
422 -* Discharge current limit to clear the 'Ready to discharge' – a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
423 -* Discharge current limit to set the 'Ready to discharge' – a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
424 -* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set;
400 +* Voltage to clear the “Ready to discharge” – a threshold voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
401 +* Voltage to reset the “Ready to discharge” – a tolerant voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
425 425  * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
426 426  
427 -=== Precharge ===
404 +=== Precharge () ===
428 428  
429 429  The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
430 430  
431 431  BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
432 432  
433 -TBA
434 -
435 435  To change the parameters of precharge contactor, select the "Control → Precharge" section:
436 436  
437 -[[image:1750328428183-819.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
412 +[[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
438 438  
439 439  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
440 440  * Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
441 441  * Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
442 -* Keep the precharging relay closed until precharge is finished – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
443 443  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
444 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
445 445  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
446 446  * Relaxation between attempts – a duration between precharge attempts, millisecond;
447 447  * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
... ... @@ -451,10 +451,10 @@
451 451  * Delay before clearing the "Precharge error", second;
452 452  * Lock the "Precharge error" – a flag to block the error until the device is restarted.
453 453  
454 -“Precharge error” generation conditions if any of the following is true:
427 +“Precharge error” generation conditions:
455 455  
456 -* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
457 -* voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
429 +* the precharge current does not decrease after "Number of precharging attempts";
430 +* voltages before and after contactors are not equal after "Number of precharging attempts";
458 458  * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
459 459  
460 460  (% class="box warningmessage" %)
... ... @@ -472,8 +472,24 @@
472 472  * On charger connected – charging is allowed when there is a signal “Charger connected”;
473 473  * On charge request – charging is allowed when there is a signal “Charge request”.
474 474  
475 -If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
448 +If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors appears:
476 476  
450 +* Overvoltage;
451 +* Overcurrent;
452 +* High temperature (CH);
453 +* Low temperature (CH);
454 +* HYG offline (optional);
455 +* Combilift offline (optional);
456 +* Spirit offline (optional);
457 +* Spirit charger error (optional);
458 +* Short circuit (optional);
459 +* High contactor temperature (optional);
460 +* CH contactor cycles error;
461 +* Precharge error (optional);
462 +* Critical error
463 +
464 +or one of the signals:
465 +
477 477  * Service reset;
478 478  * Power down request;
479 479  * Inhibit charging,
... ... @@ -482,17 +482,17 @@
482 482  
483 483  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
484 484  
485 -* If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
474 +* If there is a signal “Charger connected” and there are no errors (see the list above), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
486 486  * If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
487 487  * If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
488 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
477 +* If errors in the list above occur the charging contactor and allow charging contactor open.
489 489  
490 490  When the "**On charge request**" algorithm selected, the control is performed as follows:
491 491  
492 -* If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
481 +* If there is a signal “Charge request” and there are no errors (see the list above), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
493 493  * If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
494 494  * If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
495 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
484 +* If errors in the list above occur the charging contactor and allow charging contactor open.
496 496  
497 497  (% class="box infomessage" %)
498 498  (((
... ... @@ -513,7 +513,7 @@
513 513  * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
514 514  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
515 515  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
516 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>path:#HPrecharge]]);
505 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor;
517 517  * Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
518 518  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
519 519  * Custom delay: <error> – delay for specific error, millisecond;
... ... @@ -529,8 +529,26 @@
529 529  * On charger disconnected – load is connected when there is no signal “Charger connected”;
530 530  * On discharge request – load is connected when there is signal “Discharge request”.
531 531  
532 -When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
521 +When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors appears:
533 533  
523 +* Undervoltage;
524 +* Overvoltage (optional);
525 +* Overcurrent;
526 +* High temperature (DCH);
527 +* Low temperature (DCH) (optional);
528 +* HYG offline (optional);
529 +* Combilift offline (optional);
530 +* Spirit offline (optional);
531 +* Spirit charger error (optional);
532 +* Short circuit (optional);
533 +* High contactor temperature (optional);
534 +* Unallowable charging;
535 +* DCH contactor cycles error;
536 +* Precharge error (optional);
537 +* Critical error
538 +
539 +or one of the signals:
540 +
534 534  * Service reset
535 535  * Power down request
536 536  * Inhibit discharging
... ... @@ -539,13 +539,13 @@
539 539  
540 540  If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
541 541  
542 -* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
543 -* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
549 +* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
550 +* If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
544 544  
545 545  When the "**On discharge request**" algorithm selected, the control is performed as follows:
546 546  
547 -* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
548 -* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
554 +* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
555 +* If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
549 549  
550 550  (% class="box infomessage" %)
551 551  (((
... ... @@ -552,6 +552,8 @@
552 552  **Note: **when errors occur in the system, the **Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
553 553  )))
554 554  
562 +The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
563 +
555 555  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
556 556  
557 557  [[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]]
... ... @@ -566,7 +566,7 @@
566 566  * Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
567 567  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
568 568  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
569 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]);
578 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor;
570 570  * Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
571 571  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
572 572  * Custom delay: <error> – specific error delay, millisecond;
... ... @@ -582,8 +582,6 @@
582 582  * Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
583 583  * Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
584 584  
585 -TBA
586 -
587 587  (% class="box infomessage" %)
588 588  (((
589 589  **Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
... ... @@ -619,8 +619,13 @@
619 619  
620 620  * the battery has low SOC;
621 621  * the battery voltage is out of range;
622 -* the errors are detected (configured in the "Errors 1, 2 ..." bitfields).
629 +* the battery system errors are detected.
623 623  
631 +(% class="box infomessage" %)
632 +(((
633 +**Note: **when errors occur in the system, the **Discharge (AUX) **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
634 +)))
635 +
624 624  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
625 625  
626 626  [[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
... ... @@ -631,13 +631,13 @@
631 631  * Switch off the discharging (AUX) contactor if the SOC is too low;
632 632  * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
633 633  * Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
634 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
635 -* Minimum cell voltage, V;
636 -* Maximum cell voltage, V;
637 637  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
647 +* Minimum voltage – minimum battery voltage, V;
648 +* Maximum voltage – maximum battery voltage, V;
649 +* Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error;
638 638  * Minimum battery voltage, V;
639 639  * Maximum battery voltage, V;
640 -* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
652 +* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
641 641  
642 642  === Cell balancing ===
643 643  
... ... @@ -652,22 +652,17 @@
652 652  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
653 653  
654 654  * the voltage on the cell is higher than the balancing start voltage;
655 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold;
667 +* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold.
656 656  
657 657  A balancing resistor is disconnected from the cell if any of the following conditions are met:
658 658  
659 -* the voltage on the cell is less than the balancing stop voltage;
671 +* the voltage on the cell is less than the balancing start voltage;
660 660  * the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
661 661  
662 -(% class="box infomessage" %)
663 -(((
664 664  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
665 -)))
666 666  
667 667  The BMS Main 3 can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
668 668  
669 -BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value.
670 -
671 671  To change the cell balancing parameters, select the "Control → Cell balancing" section:
672 672  
673 673  [[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
... ... @@ -679,6 +679,9 @@
679 679  ** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
680 680  ** Balance on charge or relaxed - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
681 681  ** Balance always – balancing is always performed regardless the battery state;
689 +
690 +[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
691 +
682 682  * Balancing condition:
683 683  ** Automatic – balancing will be performed automatically if needed conditions are met;
684 684  ** On balancing request – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
... ... @@ -764,10 +764,7 @@
764 764  
765 765  * the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time.
766 766  
767 -(% class="box infomessage" %)
768 -(((
769 -If there is the "Heater" signal, the heater contactor closes and/or a signal is set to the corresponding digital output.
770 -)))
777 +If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponding digital output.
771 771  
772 772  === Cooler ===
773 773  
... ... @@ -794,10 +794,7 @@
794 794  
795 795  * the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time.
796 796  
797 -(% class="box infomessage" %)
798 -(((
799 -If there is the "Cooler" signal, the cooler contactor closes and/or a signal is set to the corresponding digital output.
800 -)))
804 +If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponding digital output.
801 801  
802 802  === High voltage ===
803 803  
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