Skip to Content

Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 76.6
edited by Admin
on 2026/03/31 12:58
Change comment: There is no comment for this version
To version 76.8
edited by Admin
on 2026/03/31 13:00
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -312,26 +312,23 @@
312 312  
313 313  === Main contactor ===
314 314  
315 -The BMS Main 3 / BMs device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
315 +The BMS Main 3 / BMS Main 2R device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
316 316  
317 317  The Main contactor algorithm supports the following modes:
318 318  
319 -* Always on;
320 -* Automatic.
319 +In **“Always on”** mode main contactor closes if all the following is true:
321 321  
322 -In “Always on” mode main contactor closes if all the following is true:
323 -
324 324  * Other contactors are open;
325 -* There are no errors from the "Errors 1, 2 ..." bitfileds.
322 +* There are __no errors__ from the "Errors 1, 2 ..." bitfileds.
326 326  
327 -In “Always on” mode main contactor opens if all the following is true:
324 +and opens if all the following is true:
328 328  
329 329  * Other contactors are open;
330 -* There is an error from the the "Errors 1, 2 ..." bitfileds.
327 +* There is __an error__ from the the "Errors 1, 2 ..." bitfileds.
331 331  
332 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
329 +In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors.
333 333  
334 -In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
331 +In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request.
335 335  
336 336  (% class="box infomessage" %)
337 337  (((
... ... @@ -344,15 +344,15 @@
344 344  
345 345  In this section:
346 346  
347 -* Enable – a flag to enable the main contactor control;
348 -* Algorithm – main contactor control algorithm:
349 -** Always on – contactor is always closed;
350 -** Automatic – contactor closes by internal charge and discharge algorithms;
351 -** On demand – contactor is closed by an external request;
352 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
353 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
354 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
355 -* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
344 +* **Enable **– a flag to enable the main contactor control;
345 +* **Algorithm** – main contactor control algorithm:
346 +** **Always on** – contactor is always closed;
347 +** **Automatic** – contactor closes by internal charge and discharge algorithms;
348 +** **On demand** – contactor is closed by an external request;
349 +* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed;
350 +* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s;
351 +* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset;
352 +* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor.
356 356  
357 357  === Charging status ===
358 358  
... ... @@ -362,7 +362,7 @@
362 362  
363 363  In this section:
364 364  
365 -* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
362 +* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A;
366 366  * Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
367 367  * 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;
368 368  * 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;