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Changes for page 3.4 Protections

Last modified by Admin on 2025/11/10 11:45
From version 24.2
edited by Admin
on 2025/11/10 11:20
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To version 19.1
edited by Admin
on 2025/11/10 11:11
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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 -
341 341  === Short circuit ===
342 342  
343 343  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.
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433 433  If there is the “Current sensor error”, the **“Critical error” **is generated.
434 434  )))
435 435  
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 power switch is normal during “Delay before clearing the error” time.
448 -
449 449  === Charge contactor cycles ===
450 450  
451 451  The BMS Mini device protects the charging contactor against frequent switching.
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473 473  
474 474  * the “Delay before clearing the error” time has passed since the error was generated.
475 475  
476 -=== Discharge contactor cycles ===
434 +=== Discharge contactor cycles protection ===
477 477  
478 478  The BMS Mini device protects the discharging contactor against frequent switching.
479 479  
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