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Changes for page 3.4 Protections

Last modified by Admin on 2025/11/10 11:45
From version 18.1
edited by Admin
on 2025/11/10 11:10
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To version 25.1
edited by Admin
on 2025/11/10 11:21
Change comment: There is no comment for this version

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309 309  If there is the "Cell count error", the **“Critical error” **is generated.
310 310  )))
311 311  
312 +=== Temperature sensor count ===
313 +
314 +To change the protection parameters from the mismatch of the number of temperature sensors to the set value, select the "Protections → Temperature sensor count" section:
315 +
316 +[[image:1762773073782-768.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
317 +
318 +In this section:
319 +
320 +* Enable – a flag to enable the protection;
321 +* Number of cells – a number of temperature sensors connected to the BMS;
322 +* Delay before setting the error, millisecond;
323 +* Delay before clearing the error, second;
324 +* Lock – a flag to block the error until the device is restarted.
325 +
326 +As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
327 +
328 +Error generation conditions:
329 +
330 +* the number of temperature sensors connected to the BMS is **not equal** to the “Number of temperature sensors” value during the “Delay before setting the error” time.
331 +
332 +Conditions for removing the error:
333 +
334 +* the number of temperature sensors connected to the BMS is **equal** to the “Number of temperature sensors” value during the “Delay before clearing the error” time.
335 +
336 +(% class="box warningmessage" %)
337 +(((
338 +If there is the "T-sensor count error", the **“Critical error” **is generated**.**
339 +)))
340 +
312 312  === Short circuit ===
313 313  
314 314  The BMS Mini device implements a protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
... ... @@ -404,6 +404,24 @@
404 404  If there is the “Current sensor error”, the **“Critical error” **is generated.
405 405  )))
406 406  
436 +=== MOSFET ===
437 +
438 +BMS Mini S device checks the status of MOSFET switches that are used to control the contactors. To change the parameters of the MOSFET switch protection, select the "Protections → MOSFET " section:
439 +
440 +[[image:1762773566548-852.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]]
441 +
442 +In this section:
443 +
444 +* Delay before clearing the error, second;
445 +* Lock – a flag to block the error until the device is restarted.
446 +
447 +The “MOSFET error” occurs when the device detects a shortage in contactor coil control circuit or an overheating of the MOSFET switch. Error is removed when the temperature of MOSFET switch is normal during “Delay before clearing the error” time.
448 +
449 +(% class="box warningmessage" %)
450 +(((
451 +If there is the "MOSFET error", the **“Critical error” **is generated.
452 +)))
453 +
407 407  === Charge contactor cycles ===
408 408  
409 409  The BMS Mini device protects the charging contactor against frequent switching.
... ... @@ -431,7 +431,7 @@
431 431  
432 432  * the “Delay before clearing the error” time has passed since the error was generated.
433 433  
434 -=== Discharge contactor cycles protection ===
481 +=== Discharge contactor cycles ===
435 435  
436 436  The BMS Mini device protects the discharging contactor against frequent switching.
437 437  
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