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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:15
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To version 29.1
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... ... @@ -409,17 +409,12 @@
409 409  * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
410 410  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
411 411  * 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;
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;
414 414  * Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
415 415  * Custom delay: <error> – specific error delay, millisecond;
416 416  * 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”;
417 417  
418 -(% class="box infomessage" %)
419 -(((
420 -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.
421 -)))
422 -
423 423  === Discharge ===
424 424  
425 425  The device controls the discharging contactor to connect battery to the load.
... ... @@ -426,50 +426,36 @@
426 426  
427 427  The device supports three algorithms to control battery discharging:
428 428  
429 -* load is always connected;
430 -* load is connected when there is no signal “Charger connected”;
431 -* 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”.
432 432  
433 -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:
434 434  
435 -* Undervoltage;
436 -* Overvoltage (optional);
437 -* Overcurrent;
438 -* High temperature (DCH);
439 -* Low temperature (DCH) (optional);
440 -* HYG offline (optional);
441 -* Combilift offline (optional);
442 -* Spirit offline (optional);
443 -* Spirit charger error (optional);
444 -* Short circuit (optional);
445 -* High contactor temperature (optional);
446 -* DCH contactor cycles error;
447 -* Critical error
430 +* Service reset
431 +* Power down request
432 +* Inhibit discharging
448 448  
449 449  the discharging contactor opens.
450 450  
451 -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:
452 452  
453 -* 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;
454 -* 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.
455 455  
456 -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:
457 457  
458 -* 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;
459 -* 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.
460 460  
461 461  (% class="box infomessage" %)
462 462  (((
463 -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).
464 464  )))
465 465  
466 -The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
467 -
468 -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.
469 -
470 470  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
471 471  
472 -[[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"]]
473 473  
474 474  In this section:
475 475  
... ... @@ -478,28 +478,51 @@
478 478  ** Always on – load is always connected;
479 479  ** On charger disconnected – load is connected when there is no signal “Charger connected”;
480 480  ** On discharge request – load is connected when there is signal “Discharge request”;
481 -* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А;
482 -* 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;
483 483  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
484 484  * 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;
485 485  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
486 486  * Custom delay: <error> – specific error delay, millisecond;
487 487  * 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”.
488 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
489 -* 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;
490 -* 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;
491 491  
492 492  === Charge/Discharge ===
493 493  
494 494  The BMS Mini device can control the charging/discharging contactor that is used to both charge and discharge the battery.
495 495  
496 -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:
497 497  
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 +
498 498  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
499 499  
500 -[[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"]]
501 501  
492 +In this section:
493 +
502 502  * 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”.
503 503  
504 504  === Discharge (AUX) ===
505 505  
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515 515  
516 516  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
517 517  
518 -[[image:1733746932199-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]]
519 519  
523 +[[image:1740400254884-851.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
520 520  In this section:
521 521  
522 522  * Enable – a flag to activate the auxiliary discharge control;
... ... @@ -523,13 +523,14 @@
523 523  * Switch off the discharging (AUX) contactor if the SOC is too low;
524 524  * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
525 525  * 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;
526 526  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
527 -* Minimum voltage – minimum battery voltage, V;
528 -* Maximum voltage – maximum battery voltage, V;
529 -* 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.
530 530  
531 -=== ===
532 -
533 533  === Cell balancing ===
534 534  
535 535  Balancing makes the voltage of all cells be equal to the minimum cell voltage.
... ... @@ -552,8 +552,8 @@
552 552  
553 553  To change the cell balancing parameters, select the "Control → Cell balancing" section:
554 554  
555 -[[image:1733746797003-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
556 556  
561 +[[image:1740404562825-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="168" width="800"]]
557 557  In this section:
558 558  
559 559  * Enable – a flag to enable cell balancing;
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