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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:15
From version 24.2
edited by Admin
on 2025/02/24 12:17
Change comment: There is no comment for this version
To version 28.2
edited by Admin
on 2025/02/24 13:44
Change comment: There is no comment for this version

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... ... @@ -406,23 +406,15 @@
406 406  ** Always on – charging is always allowed;
407 407  ** On charger connected – charging is allowed when there is a signal “Charger connected”;
408 408  ** On charge request – charging is allowed when there is a signal “Charge request”;
409 -* Current corresponding to charging – a current level to generate the "Charging current present" signal, A;
410 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
409 +* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
411 411  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
412 412  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
412 +* Control the precharging contactor – a flag that allows control of the precharging contactor (see [[Precharge>>url:http://#HPrecharge]]);
413 413  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
414 +* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
414 414  * Custom delay: <error> – specific error delay, millisecond;
415 415  * Switch off the charging contactor on errors without delay – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”;
416 -* Control the precharging contactor – a flag that allows control of the precharging contactor;
417 -* 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;
418 -* 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;
419 -* 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.
420 420  
421 -(% class="box infomessage" %)
422 -(((
423 -Note – The allow charging contactor closes under two independent conditions: 1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and 2) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
424 -)))
425 -
426 426  === Discharge ===
427 427  
428 428  The device controls the discharging contactor to connect battery to the load.
... ... @@ -429,50 +429,36 @@
429 429  
430 430  The device supports three algorithms to control battery discharging:
431 431  
432 -* load is always connected;
433 -* load is connected when there is no signal “Charger connected”;
434 -* load is connected when there is signal “Discharge request”.
424 +* Always on – load is always connected;
425 +* On charger disconnected – load is connected when there is no signal “Charger connected”;
426 +* On discharge request – load is connected when there is signal “Discharge request”.
435 435  
436 -When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors appears:
428 +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:
437 437  
438 -* Undervoltage;
439 -* Overvoltage (optional);
440 -* Overcurrent;
441 -* High temperature (DCH);
442 -* Low temperature (DCH) (optional);
443 -* HYG offline (optional);
444 -* Combilift offline (optional);
445 -* Spirit offline (optional);
446 -* Spirit charger error (optional);
447 -* Short circuit (optional);
448 -* High contactor temperature (optional);
449 -* DCH contactor cycles error;
450 -* Critical error
430 +* Service reset
431 +* Power down request
432 +* Inhibit discharging
451 451  
452 452  the discharging contactor opens.
453 453  
454 -If the algorithm "**On Charger disconnected**" is selected, the control is performed as follows:
436 +If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
455 455  
456 -* if there is no signal “Charger connected”, the charging contactor is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
457 -* If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
438 +* 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;
439 +* 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.
458 458  
459 -When the "**On Discharge request**" algorithm selected, the control is performed as follows:
441 +When the "**On discharge request**" algorithm selected, the control is performed as follows:
460 460  
461 -* if there is signal “Discharge request”, the charging contactor is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
462 -* If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
443 +* 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;
444 +* 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.
463 463  
464 464  (% class="box infomessage" %)
465 465  (((
466 -Note: in case of errors in the system operation, the opening of the **discharging **contactor is performed either immediately or with a delay T,,off,, (depends on the settings described below).
448 +**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).
467 467  )))
468 468  
469 -The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
470 -
471 -When the power down request occurs, the discharging contactor opens after delay T,,off,,. Reclosing the discharging contactor is performed if the power down request is removed.
472 -
473 473  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
474 474  
475 -[[image:1733746885414-479.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]]
453 +[[image:1740399783613-216.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="311" width="800"]]
476 476  
477 477  In this section:
478 478  
... ... @@ -481,28 +481,51 @@
481 481  ** Always on – load is always connected;
482 482  ** On charger disconnected – load is connected when there is no signal “Charger connected”;
483 483  ** On discharge request – load is connected when there is signal “Discharge request”;
484 -* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А;
485 -* Current indicating no discharging – a current level to clear the "Discharging current present" signal, А;
462 +* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
486 486  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
487 487  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
465 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>path:#HPrecharge]]);
466 +* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
488 488  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
489 489  * Custom delay: <error> – specific error delay, millisecond;
490 490  * Switch off the discharging contactor on errors without delay – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
491 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
492 -* 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;
493 -* 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;
494 494  
495 495  === Charge/Discharge ===
496 496  
497 497  The BMS Mini device can control the charging/discharging contactor that is used to both charge and discharge the battery.
498 498  
499 -The charging/discharging contactor combines algorithms of charging and discharging contactor. It behaves as a charging contactor when «Charge request» or «Charger connected» are set, otherwise – as a discharging contactor.
475 +Charge/Discharge contactor has three algorithms of operation:
500 500  
477 +* Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
478 +* Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
479 +* 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.
480 +
481 +TBA
482 +
483 +(% class="box infomessage" %)
484 +(((
485 +**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).
486 +)))
487 +
501 501  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
502 502  
503 -[[image:1733746901779-991.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="95" width="800"]]In this section:
490 +[[image:1740400166950-906.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="211" width="800"]]
504 504  
492 +In this section:
493 +
505 505  * Enable – a flag to enable the charge/discharge controller.
495 +* Algorithm:
496 +** Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
497 +** Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
498 +** Independent (on Charge request or Discharge request);
499 +* Delay before starting charging or discharging, millisecond;
500 +* Delay before stopping charging or discharging, millisecond;
501 +* Control the precharging contactor – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
502 +* Emulate the "Charging" and "Discharging" signals – a flag to enable generation of "Charging" and "Discharging" signals when closing charge/discharge contactor;
503 +* Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
504 +* Errors 1, 2 which affect the contactor only if battery CHARGING is detected – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
505 +* Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
506 +* Switch off the charging/discharging contactor on errors without delay – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
506 506  
507 507  === Discharge (AUX) ===
508 508  
... ... @@ -518,8 +518,8 @@
518 518  
519 519  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
520 520  
521 -[[image:1733746932199-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]]
522 522  
523 +[[image:1740400254884-851.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
523 523  In this section:
524 524  
525 525  * Enable – a flag to activate the auxiliary discharge control;
... ... @@ -526,13 +526,14 @@
526 526  * Switch off the discharging (AUX) contactor if the SOC is too low;
527 527  * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
528 528  * Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
530 +* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
531 +* Minimum cell voltage, V;
532 +* Maximum cell voltage, V;
529 529  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
530 -* Minimum voltage – minimum battery voltage, V;
531 -* Maximum voltage – maximum battery voltage, V;
532 -* 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.
534 +* Minimum battery voltage, V;
535 +* Maximum battery voltage, V;
536 +* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
533 533  
534 -=== ===
535 -
536 536  === Cell balancing ===
537 537  
538 538  Balancing makes the voltage of all cells be equal to the minimum cell voltage.
... ... @@ -555,8 +555,8 @@
555 555  
556 556  To change the cell balancing parameters, select the "Control → Cell balancing" section:
557 557  
558 -[[image:1733746797003-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
559 559  
561 +[[image:1740404562825-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="168" width="800"]]
560 560  In this section:
561 561  
562 562  * Enable – a flag to enable cell balancing;
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