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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42
From version 17.2
edited by Admin
on 2024/12/26 15:13
Change comment: There is no comment for this version
To version 52.1
edited by Admin
on 2026/04/01 08:42
Change comment: There is no comment for this version

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... ... @@ -4,11 +4,17 @@
4 4  (% data-numbered-headings-start="4" style="--numbered-headings-start: 3;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 5  == Protections ==
6 6  
7 -The BMS Main 3 device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
7 +The BMS Main 3 / BMS Main 2R device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8 8  
9 +(% class="box errormessage" %)
10 +(((
11 +**Attention!**
12 +Behavior of contactors at different errors is configured in **corresponding contactor settings**!
13 +)))
14 +
9 9  === Overcurrent ===
10 10  
11 -The BMS Main 3 device performs the overcurrent protection depending on current sensor values.
17 +The BMS Main 3 / BMS Main 2R device performs the overcurrent protection depending on current sensor values.
12 12  
13 13  To change the overcurrent protection of the battery, select the "Protections → Overcurrent" section:
14 14  
... ... @@ -16,14 +16,14 @@
16 16  
17 17  In this section:
18 18  
19 -* Enable – a flag to enable the protection;
20 -* Maximum charging current, А;
21 -* Tolerant charging current, А;
22 -* Maximum discharging current, А;
23 -* Tolerant discharging current, А;
24 -* Delay before setting the error, millisecond;
25 -* Delay before clearing the error, second;
26 -* Lock – a flag to block the error until the device is restarted.
25 +* **Enable **– a flag to enable the protection;
26 +* **Maximum charging current**, А;
27 +* **Tolerant charging current**, А;
28 +* **Maximum discharging current**, А;
29 +* **Tolerant discharging current**, А;
30 +* **Delay before setting the error**, millisecond;
31 +* **Delay before clearing the error**, second;
32 +* **Lock **– a flag to block the error until the device is restarted.
27 27  
28 28  As a result of operation of the overcurrent protection, the "Overcurrent" error is generated.
29 29  
... ... @@ -37,14 +37,9 @@
37 37  * the current is positive (charging) or zero, and its modulo value is less than the “Tolerant charging current” value for the “Delay before clearing the error” time;
38 38  * the current is negative (discharging) or zero, and its modulo value is less than the “Tolerant discharging current” value for the “Delay before clearing the error” time.
39 39  
40 -(% class="box infomessage" %)
41 -(((
42 -If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43 -)))
44 -
45 45  === Charge current limit ===
46 46  
47 -The BMS Main 3 device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48 +The BMS Main 3 / BMS Main 2R device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48 48  
49 49  Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
50 50  
... ... @@ -52,14 +52,17 @@
52 52  
53 53  [[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
54 54  
55 -* Enable – a flag to enable the protection;
56 -* Threshold to switch from Region 1 to Region 2 – a current value at which
57 -*
56 +* **Enable **– a flag to enable the protection;
57 +* **Threshold to switch from Region 1 to Region 2** – a current value at which current excess calculation will be switched from absolute to relative difference, A;
58 +* **Region 1: Current difference** – a value of maximum absolute current difference, A;
59 +* **Region 2: Current difference** – a value of maximum relative current excess, A;
60 +* **Delay before setting the error**, millisecond;
61 +* **Delay before clearing the error**, second;
62 +* **Lock **– a flag to block the error until the device is restarted.
58 58  
59 -
60 60  === Discharge current limit ===
61 61  
62 -The BMS Main 3 device can check if the discharging current exceeds the estimated limit based on the [[Discharge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HDischargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
66 +The BMS Main 3 / BMS Main 2R device can check if the discharging current exceeds the estimated limit based on the [[Discharge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HDischargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
63 63  
64 64  Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
65 65  
... ... @@ -69,12 +69,17 @@
69 69  
70 70  In this section:
71 71  
72 -* Enable – a flag to enable the protection;
73 -* Threshold to switch from Region 1 to Region 2
76 +* **Enable **– a flag to enable the protection;
77 +* **Threshold to switch from Region 1 to Region 2** – a current value at which current excess calculation will be switched from absolute to relative difference, A;
78 +* **Region 1: Current difference** – a value of maximum absolute current difference, A;
79 +* **Region 2: Current difference** – a value of maximum relative current excess, A;
80 +* **Delay before setting the error**, millisecond;
81 +* **Delay before clearing the error**, second;
82 +* **Lock **– a flag to block the error until the device is restarted.
74 74  
75 75  === Undervoltage ===
76 76  
77 -The BMS Main 3 device implements battery protection from too low voltage on the cells.
86 +The BMS Main 3 / BMS Main 2R device implements battery protection from too low voltage on the cells.
78 78  
79 79  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
80 80  
... ... @@ -82,13 +82,13 @@
82 82  
83 83  In this section:
84 84  
85 -* Enable – a flag to enable the protection;
86 -* Minimum cell voltage, V;
87 -* Tolerant cell voltage, V;
88 -* Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
89 -* Delay before setting the error, millisecond;
90 -* Delay before clearing the error, second;
91 -* Lock – a flag to block the error until the device is restarted.
94 +* **Enable **– a flag to enable the protection;
95 +* **Minimum cell voltage**, V;
96 +* **Tolerant cell voltage**, V;
97 +* **Check the open circuit voltage instead of the actual voltage** – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
98 +* **Delay before setting the error**, millisecond;
99 +* **Delay before clearing the error**, second;
100 +* **Lock **– a flag to block the error until the device is restarted.
92 92  
93 93  As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
94 94  
... ... @@ -100,14 +100,9 @@
100 100  
101 101  * the minimum voltage among all cells of the battery is greater than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
102 102  
103 -(% class="box infomessage" %)
104 -(((
105 -If there is the "Undervoltage" error, the **discharging **contactor opens.
106 -)))
107 -
108 108  === Overvoltage ===
109 109  
110 -The BMS Main 3 device implements battery protection from too high voltage on the cells.
114 +The BMS Main 3 / BMS Main 2R device implements battery protection from too high voltage on the cells.
111 111  
112 112  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
113 113  
... ... @@ -115,13 +115,13 @@
115 115  
116 116  In this section:
117 117  
118 -* Enable – a flag to enable the protection;
119 -* Maximum cell voltage, V;
120 -* Tolerant cell voltage, V;
121 -* Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
122 -* Delay before setting the error, millisecond;
123 -* Delay before clearing the error, second;
124 -* Lock – a flag to block the error until the device is restarted.
122 +* **Enable **– a flag to enable the protection;
123 +* **Maximum cell voltage**, V;
124 +* **Tolerant cell voltage**, V;
125 +* **Check the open circuit voltage instead of the actual voltage** – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
126 +* **Delay before setting the error**, millisecond;
127 +* **Delay before clearing the error**, second;
128 +* **Lock **– a flag to block the error until the device is restarted.
125 125  
126 126  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
127 127  
... ... @@ -133,14 +133,34 @@
133 133  
134 134  * the maximum voltage among all cells of the battery is less than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
135 135  
136 -(% class="box infomessage" %)
137 -(((
138 -If there is the "Overvoltage" error, the **charging** contactor and **discharging **contactor open (if the “Switch off the discharging contactor on error” flag is set).
139 -)))
140 +=== Cell imbalance ===
140 140  
142 +The BMS Main 3 / BMS Main 2R device implements battery protection from too much cell imbalance. If balancing algorithm is not enough to compensate battery imbalance, then imbalance protection generates an error when imbalance is above estimated threshold.
143 +
144 +To change the battery protection parameters from cell imbalance, select the "Protections → Cell imbalance" section:
145 +
146 +[[image:1760437465709-702.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="133" width="800"]]In this section:
147 +
148 +* **Enable **– a flag to enable the protection;
149 +* **Maximum cell imbalance**, V;
150 +* **Tolerant cell imbalance**, V;
151 +* **Delay before setting the error**, millisecond;
152 +* **Delay before clearing the error**, second;
153 +* **Lock **– a flag to block the error until the device is restarted.
154 +
155 +As a result of the operation of the battery protection from cell imbalance, the "Cell imbalance” error is generated.
156 +
157 +Error generation conditions:
158 +
159 +* the voltage difference between the most charged cell and the least charged cell is more than the “Maximum cell imbalance” value for the “Delay before setting the error” time.
160 +
161 +Conditions for removing the error:
162 +
163 +* the voltage difference between the most charged cell and the least charged cell is less than the “Tolerant cell imbalance” value for the “Delay before clearing the error” time.
164 +
141 141  === Low temperature ===
142 142  
143 -The BMS Main 3 device implements battery protection from too low temperature.
167 +The BMS Main 3 / BMS Main 2R device implements battery protection from too low temperature.
144 144  
145 145  To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
146 146  
... ... @@ -148,14 +148,14 @@
148 148  
149 149  In this section:
150 150  
151 -* Enable – a flag to enable the protection;
152 -* Minimum charge temperature, °C;
153 -* Tolerant charge temperature, °C;
154 -* Minimum discharge temperature, °C;
155 -* Tolerant discharge temperature, °C;
156 -* Delay before setting the error, millisecond;
157 -* Delay before clearing the error, second;
158 -* Lock – a flag to block the error until the device is restarted.
175 +* **Enable **– a flag to enable the protection;
176 +* **Minimum charge temperature**, °C;
177 +* **Tolerant charge temperature**, °C;
178 +* **Minimum discharge temperature**, °C;
179 +* **Tolerant discharge temperature**, °C;
180 +* **Delay before setting the error**, millisecond;
181 +* **Delay before clearing the error**, second;
182 +* **Lock **– a flag to block the error until the device is restarted.
159 159  
160 160  As a result of the operation of the battery protection from low temperature, the "Low temperature (CH)" and/or “Low temperature (DCH)” error are generated.
161 161  
... ... @@ -167,15 +167,9 @@
167 167  
168 168  * the minimum temperature among all cells of the battery is greater than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
169 169  
170 -(% class="box infomessage" %)
171 -(((
172 -If there is the "Low temperature (CH)" error, the **charging **contactor opens.
173 -If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
174 -)))
175 -
176 176  === High temperature ===
177 177  
178 -The BMS Main 3 device implements battery protection from too high temperature.
196 +The BMS Main 3 / BMS Main 2R device implements battery protection from too high temperature.
179 179  
180 180  To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
181 181  
... ... @@ -183,14 +183,14 @@
183 183  
184 184  In this section:
185 185  
186 -* Enable – a flag to enable the protection;
187 -* Maximum charge temperature, °C;
188 -* Tolerant charge temperature, °C;
189 -* Maximum discharge temperature, °C;
190 -* Tolerant discharge temperature, °C;
191 -* Delay before setting the error, millisecond;
192 -* Delay before clearing the error, second;
193 -* Lock – a flag to block the error until the device is restarted.
204 +* **Enable **– a flag to enable the protection;
205 +* **Maximum charge temperature**, °C;
206 +* **Tolerant charge temperature**, °C;
207 +* **Maximum discharge temperature**, °C;
208 +* **Tolerant discharge temperature**, °C;
209 +* **Delay before setting the error**, millisecond;
210 +* **Delay before clearing the error**, second;
211 +* **Lock **– a flag to block the error until the device is restarted.
194 194  
195 195  As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
196 196  
... ... @@ -202,12 +202,6 @@
202 202  
203 203  * the maximum temperature among all cells of the battery is less than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
204 204  
205 -(% class="box infomessage" %)
206 -(((
207 -If there is the "High temperature (CH)" error, the **charging **contactor opens.
208 -If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
209 -)))
210 -
211 211  === Battery cover ===
212 212  
213 213  To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
... ... @@ -216,10 +216,10 @@
216 216  
217 217  In this section:
218 218  
219 -* Enable – a flag to enable the protection;
220 -* Delay before setting the error, millisecond;
221 -* Delay before clearing the error, second;
222 -* Lock – a flag to block the error until the device is restarted.
231 +* **Enable** – a flag to enable the protection;
232 +* **Delay before setting the error**, millisecond;
233 +* **Delay before clearing the error**, second;
234 +* **Lock **– a flag to block the error until the device is restarted.
223 223  
224 224  As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
225 225  
... ... @@ -233,12 +233,12 @@
233 233  
234 234  (% class="box warningmessage" %)
235 235  (((
236 -If there is the "Battery cover error", the **“Critical error” **is generated **and all contactors open.**
248 +If there is the "Battery cover error", the **“Critical error” **is generated**.**
237 237  )))
238 238  
239 239  === High humidity ===
240 240  
241 -The BMS Main 3 can detect that the battery is operating in high humidity conditions.
253 +The BMS Main 3 / BMS Main 2R can detect that the battery is operating in high humidity conditions.
242 242  
243 243  To change the detection parameters, select the "Protections → High humidity" section:
244 244  
... ... @@ -246,12 +246,12 @@
246 246  
247 247  In this section:
248 248  
249 -* Enable – a flag to enable the detection;
250 -* Maximum humidity, RH%;
251 -* Tolerant humidity, RH%;
252 -* Delay before setting the error, second;
253 -* Delay before clearing the error, second;
254 -* Lock the error until the device is reset.
261 +* **Enable **– a flag to enable the detection;
262 +* **Maximum humidity**, RH%;
263 +* **Tolerant humidity**, RH%;
264 +* **Delay before setting the error**, second;
265 +* **Delay before clearing the error**, second;
266 +* **Lock **– a flag to block the error until the device is restarted.
255 255  
256 256  As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
257 257  
... ... @@ -270,7 +270,7 @@
270 270  
271 271  === Water ===
272 272  
273 -The BMS Main 3 can protect the battery from working in very high humidity conditions.
285 +The BMS Main 3 / BMS Main 2R can protect the battery from working in very high humidity conditions.
274 274  
275 275  To change the protection parameters, select the "Protections → Water" section:
276 276  
... ... @@ -278,12 +278,12 @@
278 278  
279 279  In this section:
280 280  
281 -* Enable – a flag to enable the protection;
282 -* Maximum humidity, RH%;
283 -* Tolerant humidity, RH%;
284 -* Delay before setting the error, second;
285 -* Delay before clearing the error, second;
286 -* Lock – lock the error until the device is reset.
293 +* **Enable **– a flag to enable the protection;
294 +* **Maximum humidity**, RH%;
295 +* **Tolerant humidity**, RH%;
296 +* **Delay before setting the error**, second;
297 +* **Delay before clearing the error**, second;
298 +* **Lock **– lock the error until the device is reset.
287 287  
288 288  As a result of the operation of the battery protection from water, the "Water" error is generated.
289 289  
... ... @@ -295,9 +295,9 @@
295 295  
296 296  * the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
297 297  
298 -(% class="box infomessage" %)
310 +(% class="box warningmessage" %)
299 299  (((
300 -If there is the “Water” error, the **“Critical error”** is generated and **all relays open**.
312 +If there is the “Water” error, the **“Critical error”** is generated.
301 301  )))
302 302  
303 303  === Logic high temperature ===
... ... @@ -308,12 +308,12 @@
308 308  
309 309  In this section:
310 310  
311 -* Enable – a flag to enable the protection;
312 -* Maximum temperature, °C;
313 -* Tolerant temperature, °C;
314 -* Delay before setting the error, second;
315 -* Delay before clearing the error, second;
316 -* Lock – lock the error until the device is reset.
323 +* **Enable **– a flag to enable the protection;
324 +* **Maximum temperature**, °C;
325 +* **Tolerant temperature**, °C;
326 +* **Delay before setting the error**, second;
327 +* **Delay before clearing the error**, second;
328 +* **Lock **– lock the error until the device is reset.
317 317  
318 318  As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
319 319  
... ... @@ -334,12 +334,15 @@
334 334  
335 335  To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
336 336  
337 -[[image:1733328399416-818.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="86" width="800"]]
349 +[[image:1755871522789-489.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
338 338  
351 +
339 339  In this section:
340 340  
341 -* Enable – a flag to enable the protection;
342 -* Lock – lock the error until the device is reset.
354 +* **Enable **– a flag to enable the protection;
355 +* **Delay before setting the error**, second;
356 +* **Delay before clearing the error**, second;
357 +* **Lock **– lock the error until the device is reset.
343 343  
344 344  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
345 345  
... ... @@ -353,7 +353,7 @@
353 353  
354 354  (% class="box warningmessage" %)
355 355  (((
356 -If there is the "Logic offline" error, the **“Critical error” **is generated and **all relays open.**
371 +If there is the "Logic offline" error, the **“Critical error” **is generated**.**
357 357  )))
358 358  
359 359  === Cell count ===
... ... @@ -364,11 +364,11 @@
364 364  
365 365  In this section:
366 366  
367 -* Enable – a flag to enable the protection;
368 -* Number of cells – a number of cells connected to the BMS;
369 -* Delay before setting the error, millisecond;
370 -* Delay before clearing the error, second;
371 -* Lock – a flag to block the error until the device is restarted.
382 +* **Enable** – a flag to enable the protection;
383 +* **Number of cells** – a number of cells connected to the BMS;
384 +* **Delay before setting the error**, millisecond;
385 +* **Delay before clearing the error**, second;
386 +* **Lock **– a flag to block the error until the device is restarted.
372 372  
373 373  As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
374 374  
... ... @@ -382,40 +382,73 @@
382 382  
383 383  (% class="box warningmessage" %)
384 384  (((
385 -If there is the "Cell count error", the **“Critical error” **is generated and **all relays open.**
400 +If there is the "Cell count error", the **“Critical error” **is generated**.**
386 386  )))
387 387  
403 +=== Temperature sensor count ===
404 +
405 +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:
406 +
407 +[[image:1755871582533-550.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
408 +
409 +In this section:
410 +
411 +* **Enable **– a flag to enable the protection;
412 +* **Number of cells** – a number of temperature sensors connected to the BMS;
413 +* **Delay before setting the error**, millisecond;
414 +* **Delay before clearing the error**, second;
415 +* **Lock **– a flag to block the error until the device is restarted.
416 +
417 +As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
418 +
419 +Error generation conditions:
420 +
421 +* 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.
422 +
423 +Conditions for removing the error:
424 +
425 +* 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.
426 +
427 +(% class="box warningmessage" %)
428 +(((
429 +If there is the "T-sensor count error", the **“Critical error” **is generated**.**
430 +)))
431 +
388 388  === Logic count ===
389 389  
390 390  To change the protection parameters from the mismatch of the number of BMS Logic devices to the set value, select the "Protections → Logic count” section:
391 391  
392 -[[image:1733328415732-163.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]
436 +[[image:1762425434368-516.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="125" width="800"]]
393 393  
394 394  In this section:
395 395  
396 -* Enable – a flag to enable the protection;
397 -* Logic count – a number of BMS Logic devices connected to the BMS Main;
398 -* Scan fast – a flag to scan BMS Logic devices fast (devices with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
399 -* Lock – lock the error until the device is reset.
440 +* **Enable **– a flag to enable the protection;
441 +* **Logic count** – a number of BMS Logic devices connected to the BMS Main;
442 +* **Scan fast** – a flag to scan BMS Logic devices fast (devices with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
443 +* **Delay before setting the error** – a delay before setting the error //during initialization//, millisecond;
444 +* **Delay before clearing the error **– a delay before clearing the error //during initialization//, second;
445 +* **Lock** – lock the error until the device is reset.
400 400  
401 401  As a result of the operation of the protection from the mismatch of the number of BMS Logic devices, the "Logic count error" is generated.
402 402  
403 403  Error generation conditions:
404 404  
405 -* the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
451 +* during the initialization BMS Main 3 / BMS Main 2R have not found required number of BMS Logic devices during the "Delay before setting the error" time;
452 +* after the initialization the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
406 406  
407 407  Conditions for removing the error:
408 408  
409 -* the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
456 +* during the initialization BMS Main 3 / BMS Main 2R have found required number of BMS Logic devices and the "Delay before setting the error" time has passed;
457 +* after the initialization the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
410 410  
411 411  (% class="box warningmessage" %)
412 412  (((
413 -If there is the "Logic count error", the **“Critical error”** is generated and **all relays open.**
461 +If there is the "Logic count error", the **“Critical error”** is generated.
414 414  )))
415 415  
416 416  === Short circuit ===
417 417  
418 -The BMS Main 3 device implements the protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
466 +The BMS Main 3 / BMS Main 2R device implements the protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
419 419  
420 420  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
421 421  
... ... @@ -423,12 +423,12 @@
423 423  
424 424  In this section:
425 425  
426 -* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
427 -** Enable – a flag to enable the protection;
428 -** Maximum current, A;
429 -** Delay before setting the error, second;
430 -* Delay before clearing the error, second;
431 -* Lock – a flag to block the error until the device is restarted.
474 +* **Level 1, 2, 3** – three protection levels. The following parameters are configured at each level:
475 +** **Enable **– a flag to enable the protection;
476 +** **Maximum current**, A;
477 +** **Delay before setting the error**, second;
478 +* **Delay before clearing the error**, second;
479 +* **Lock **– a flag to block the error until the device is restarted.
432 432  
433 433  If there is a short circuit, the "Short circuit" error is generated.
434 434  
... ... @@ -440,14 +440,9 @@
440 440  
441 441  * the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
442 442  
443 -(% class="box infomessage" %)
444 -(((
445 -If there is the "Short circuit" error, **charging **contactor opens (if the “Switch off the charging contactor on error” flag is set) and **discharging **contactor opens (if the “Switch off the discharging contactor on error flag” is set).
446 -)))
447 -
448 448  === High contactor temperature ===
449 449  
450 -The BMS Main 3 device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
493 +The BMS Main 3 / BMS Main 2R device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
451 451  
452 452  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
453 453  
... ... @@ -455,13 +455,13 @@
455 455  
456 456  In this section:
457 457  
458 -* Enable – a flag to enable the protection;
459 -* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
460 -* Maximum contactor temperature, °C;
461 -* Tolerant contactor temperature, °C;
462 -* Delay before setting the error, second;
463 -* Delay before clearing the error, second;
464 -* Lock – a flag to block the error until the device is restarted.
501 +* **Enable** – a flag to enable the protection;
502 +* **Thermistor **– a selection of which cell thermistor will be used as contactor temperature sensor;
503 +* **Maximum contactor temperature**, °C;
504 +* **Tolerant contactor temperature**, °C;
505 +* **Delay before setting the error**, second;
506 +* **Delay before clearing the error**, second;
507 +* **Lock **– a flag to block the error until the device is restarted.
465 465  
466 466  If there is a contactor overheat, the "High contactor temperature" error is generated.
467 467  
... ... @@ -473,14 +473,9 @@
473 473  
474 474  * the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
475 475  
476 -(% class="box infomessage" %)
477 -(((
478 -If there is the "High contactor temperature" error, **charging **contactor opens (if the “Switch off the charging contactor on error” flag is set) and **discharging **contactor opens (if the “Switch off the discharging contactor on error” flag is set).
479 -)))
480 -
481 481  === Current sensor ===
482 482  
483 -The BMS Main 3 device checks the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
521 +The BMS Main 3 / BMS Main 2R device checks the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
484 484  
485 485  To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
486 486  
... ... @@ -488,13 +488,13 @@
488 488  
489 489  In this section:
490 490  
491 -* Enable – a flag to enable the protection;
492 -* Maximum voltage, V;
493 -* Minimum voltage, V;
494 -* Voltage hysteresis – a hysteresis value to clear the error, V;
495 -* Delay before setting the error, second;
496 -* Delay before clearing the error, second;
497 -* Lock – a flag to block the error until the device is restarted.
529 +* **Enable **– a flag to enable the protection;
530 +* **Maximum voltage**, V;
531 +* **Minimum voltage**, V;
532 +* **Voltage hysteresis** – a hysteresis value to clear the error, V;
533 +* **Delay before setting the error**, second;
534 +* **Delay before clearing the error**, second;
535 +* **Lock **– a flag to block the error until the device is restarted.
498 498  
499 499  If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated.
500 500  
... ... @@ -509,11 +509,16 @@
509 509  
510 510  (% class="box warningmessage" %)
511 511  (((
512 -If there is the “Current sensor error”, the **“Critical error” **is generated and **all relays open.**
550 +If there is the “Current sensor error”, the **“Critical error” **is generated.
513 513  )))
514 514  
515 515  === Power switch ===
516 516  
555 +(% class="box warningmessage" %)
556 +(((
557 +This section is not available on BMS Main 2R.
558 +)))
559 +
517 517  BMS Main 3 device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
518 518  
519 519  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
... ... @@ -520,23 +520,54 @@
520 520  
521 521  In this section:
522 522  
523 -* Delay before clearing the error, second;
524 -* Lock – a flag to block the error until the device is restarted.
566 +* **Delay before clearing the error**, second;
567 +* **Lock **– a flag to block the error until the device is restarted.
525 525  
526 526  The “Power switch error” occurs when the device detects a shortage in contactor coil control circuit or an overheating of the power switch. Error is removed when the temperature of power switch is normal during “Delay before clearing the error” time.
527 527  
528 528  (% class="box warningmessage" %)
529 529  (((
530 -If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
573 +If there is the "Power switch error", the **“Critical error” **is generated.
531 531  )))
532 532  
533 533  === Power fault ===
534 534  
535 -TBA
578 +(% class="box infomessage" %)
579 +(((
580 +This section is not available on BMS Main 2R.
581 +)))
536 536  
583 +BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
584 +
585 +(% class="box infomessage" %)
586 +(((
587 +**Note:** this error can be configured only under** "Service" account**.
588 +)))
589 +
590 +To change the parameters of the power fault error, select the "Protections → Power fault" section:
591 +
592 +[[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
593 +
594 +In this section:
595 +
596 +* **Enable **– a flag to enable the protection;
597 +* **Delay before setting the error**, millisecond;
598 +* **Time to keep power off**, millisecond;
599 +* **Delay before clearing the error**, millisecond;
600 +* **Lock **– a flag to block the error until the device is restarted.
601 +
602 +The “Power fault” occurs when the device detects a shortage or high power consumption in power supplies mentioned above. After that BMS turns off the corresponding power supply for "Time to keep power off", then it tries to enable power again.
603 +
604 +Error is removed when the power consumption is normal during “Delay before clearing the error” time.
605 +
606 +(% class="box warningmessage" %)
607 +(((
608 +If there is the "Power fault", the **“Critical error” **is generated.
609 +)))
610 +
537 537  === Charge contactor cycles ===
538 538  
539 -The BMS Main 3 device protects the charging contactor against frequent switching.
613 +The BMS Main 3 / BMS Main 2R device protects the charging contactor against frequent switching.
540 540  
541 541  To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
542 542  
... ... @@ -544,12 +544,12 @@
544 544  
545 545  In this section:
546 546  
547 -* Enable – a flag to enable the protection;
548 -* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
549 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
550 -* Delay before setting the error, millisecond;
551 -* Delay before clearing the error, second;
552 -* Lock – a flag to block the error until the device is restarted.
621 +* **Enable **– a flag to enable the protection;
622 +* **Cycles threshold **– a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
623 +* **Check time** – a time in which the BMS counts switching cycles of the charging contactor, second;
624 +* **Delay before setting the error**, millisecond;
625 +* **Delay before clearing the error**, second;
626 +* **Lock **– a flag to block the error until the device is restarted.
553 553  
554 554  If there is a high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
555 555  
... ... @@ -561,14 +561,9 @@
561 561  
562 562  * the “Delay before clearing the error” time has passed since the error was generated.
563 563  
564 -(% class="box infomessage" %)
565 -(((
566 -If there is the "CH contactor cycles error" error, the **charging **contactor opens.
567 -)))
568 -
569 569  === Discharge contactor cycles ===
570 570  
571 -The BMS Main 3 device protects the discharging contactor against frequent switching.
640 +The BMS Main 3 / BMS Main 2R device protects the discharging contactor against frequent switching.
572 572  
573 573  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
574 574  
... ... @@ -576,12 +576,12 @@
576 576  
577 577  In this section:
578 578  
579 -* Enable – a flag to enable the protection;
580 -* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
581 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
582 -* Delay before setting the error, millisecond;
583 -* Delay before clearing the error, second;
584 -* Lock – a flag to block the error until the device is restarted.
648 +* **Enable **– a flag to enable the protection;
649 +* **Cycles threshold** – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
650 +* **Check time** – a time in which the BMS counts switching cycles of the charging contactor, second;
651 +* **Delay before setting the error**, millisecond;
652 +* **Delay before clearing the error**, second;
653 +* **Lock **– a flag to block the error until the device is restarted.
585 585  
586 586  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
587 587  
... ... @@ -593,14 +593,9 @@
593 593  
594 594  * the “Delay before clearing the error” time has passed since the error was generated.
595 595  
596 -(% class="box infomessage" %)
597 -(((
598 -If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
599 -)))
600 -
601 601  === Temperature sensors ===
602 602  
603 -The BMS Main 3 device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
667 +The BMS Main 3 / BMS Main 2R device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
604 604  
605 605  To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
606 606  
... ... @@ -608,21 +608,21 @@
608 608  
609 609  In this section:
610 610  
611 -* Enable – a flag to enable the protection;
612 -* Delay before setting the error, millisecond;
613 -* Delay before clearing the error, second;
614 -* Lock – a flag to block the error until the device is restarted.
675 +* **Enable **– a flag to enable the protection;
676 +* **Delay before setting the error**, millisecond;
677 +* **Delay before clearing the error**, second;
678 +* **Lock **– a flag to block the error until the device is restarted.
615 615  
616 616  If there are no temperature sensors connected to any BMS Logic device or any temperature sensor of the BMS Logic is shorted, the "No temp. sensors" error and "Temp. sensor is shorted" error are generated respectively. These errors generated and removed with the “Delay before setting the error” and “Delay before clearing the error” delays.
617 617  
618 618  (% class="box warningmessage" %)
619 619  (((
620 -If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated and **all relays open.**
684 +If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated.
621 621  )))
622 622  
623 623  === WDT reset ===
624 624  
625 -If the BMS firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
689 +If the BMS Main 3 / BMS Main 2R firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
626 626  
627 627  To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
628 628  
... ... @@ -630,9 +630,9 @@
630 630  
631 631  In this section:
632 632  
633 -* Enable – a flag to enable the protection;
634 -* Delay before clearing the error, second;
635 -* Lock – a flag to block the error until the device is restarted.
697 +* **Enable **– a flag to enable the protection;
698 +* **Delay before clearing the error**, second;
699 +* **Lock **– a flag to block the error until the device is restarted.
636 636  
637 637  Conditions for removing the error:
638 638  
... ... @@ -640,12 +640,12 @@
640 640  
641 641  (% class="box warningmessage" %)
642 642  (((
643 -If there is the "WDT reset" error, the **“Critical error” **is generated and **all relays open.**
707 +If there is the "WDT reset" error, the **“Critical error” **is generated.
644 644  )))
645 645  
646 646  === Unallowable charging ===
647 647  
648 -The BMS can detect that the battery is charging through the discharging circuit and protectively open the discharging contactor to prevent unallowable battery operation.
712 +The BMS Main 3 / BMS Main 2R device can detect that the battery is charging through the discharging circuit and protectively open the discharging contactor to prevent unallowable battery operation.
649 649  
650 650  To change the parameters of the unallowable charging protection, select the "Protections → Unallowable charging" section:
651 651  
... ... @@ -653,10 +653,10 @@
653 653  
654 654  In this section:
655 655  
656 -* Enable – a flag to enable the protection;
657 -* Delay before setting the error, second;
658 -* Delay before clearing the error, second;
659 -* Lock – a flag to block the error until the device is restarted.
720 +* **Enable **– a flag to enable the protection;
721 +* **Delay before setting the error**, second;
722 +* **Delay before clearing the error**, second;
723 +* **Lock** – a flag to block the error until the device is restarted.
660 660  
661 661  If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
662 662  
... ... @@ -668,14 +668,9 @@
668 668  
669 669  * the battery current is zero during the “Delay before clearing the error” time.
670 670  
671 -(% class="box infomessage" %)
672 -(((
673 -If there is the "Unallowable charging" error, the **discharging **contactor opens.
674 -)))
675 -
676 676  === Stuck contactor ===
677 677  
678 -The BMS Main 3 device protects contactors against sticking.
737 +The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
679 679  
680 680  To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
681 681  
... ... @@ -683,12 +683,12 @@
683 683  
684 684  In this section:
685 685  
686 -* Enable – a flag to enable the protection;
687 -* Delay before setting the error, millisecond;
688 -* Delay before clearing the error, second;
689 -* Check voltage – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
690 -* Abnormal voltage difference – the difference of voltages before and after contactors at which BMS indicates and error;
691 -* Lock – a flag to block the error until the device is restarted.
745 +* **Enable **– a flag to enable the protection;
746 +* **Delay before setting the error**, millisecond;
747 +* **Delay before clearing the error**, second;
748 +* **Check voltage** – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
749 +* **Abnormal voltage difference** – the difference of voltages before and after contactors at which BMS indicates and error;
750 +* **Lock **– a flag to block the error until the device is restarted.
692 692  
693 693  If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
694 694  
... ... @@ -696,12 +696,12 @@
696 696  
697 697  (% class="box warningmessage" %)
698 698  (((
699 -If there is the “Stuck contactor” error, the **“Critical error” **is generated and **all relays open.**
758 +If there is the “Stuck contactor” error, the **“Critical error” **is generated.
700 700  )))
701 701  
702 702  === Contactor feedback ===
703 703  
704 -The BMS Main 3 device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the corresponding contactor feedback pin on the X3 header.
763 +The BMS Main 3 / BMS Main 2R device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the discrete input that is assigned to this specific contactor's feedback.
705 705  
706 706  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
707 707  
... ... @@ -709,10 +709,10 @@
709 709  
710 710  In this section:
711 711  
712 -* Enable – a flag to enable the protection;
713 -* Delay before setting the error, millisecond;
714 -* Delay before clearing the error, second;
715 -* Lock – a flag to block the error until the device is restarted.
771 +* **Enable **– a flag to enable the protection;
772 +* **Delay before setting the error**, millisecond;
773 +* **Delay before clearing the error**, second;
774 +* **Lock **– a flag to block the error until the device is restarted.
716 716  
717 717  If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
718 718  
... ... @@ -720,12 +720,12 @@
720 720  
721 721  (% class="box warningmessage" %)
722 722  (((
723 -If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
782 +If there is the “Contactor feedback” error, the **“Critical error” **is generated.
724 724  )))
725 725  
726 726  === Insulation ===
727 727  
728 -The BMS Main 3 device can detect a physical signal or CAN bus message from an external insulation monitoring device (such as Bender IR155, iso165C, BMD IMD) to monitor the insulation quality.
787 +The BMS Main 3 / BMS Main 2R device can detect a physical signal or CAN bus message from an external insulation monitoring device (such as Bender IR155, iso165C, BMD IMD) to monitor the insulation quality.
729 729  
730 730  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
731 731  
... ... @@ -733,24 +733,29 @@
733 733  
734 734  In this section:
735 735  
736 -* Enable – a flag to enable the protection;
737 -* Checking algorithm – isolation checking mode:
738 -** Always on – check is always performed;
739 -** On charging – check is performed only if “Charger connected” or “Charge request” is set;
740 -** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
741 -* Delay before setting the error, second;
742 -* Delay before clearing the error, second;
743 -* Lock – a flag to block the error until the device is restarted.
795 +* **Enable **– a flag to enable the protection;
796 +* **Checking algorithm** – isolation checking mode:
797 +** **Always on** – check is always performed;
798 +** **On charging** – check is performed only if “Charger connected” or “Charge request” is set;
799 +** **Except charging** – check is performed only if “Charger connected” and “Charge request” are cleared;
800 +* **Delay before setting the error**, second;
801 +* **Delay before clearing the error**, second;
802 +* **Lock **– a flag to block the error until the device is restarted.
744 744  
745 745  The “Insulation fault” is set if the “Insulation status” signal is detected during the “Delay before setting the error” time. The “Insulation status” signal can be received through the discrete input or by the CAN bus from an insulation monitoring device. The “Insulation fault” is cleared if the “Insulation status” signal is cleared during the “Delay before clearing the error” time.
746 746  
747 747  (% class="box warningmessage" %)
748 748  (((
749 -If there is the “Insulation fault”, the **“Critical error”** is generated and **all relays open.**
808 +If there is the “Insulation fault”, the **“Critical error”** is generated.
750 750  )))
751 751  
752 752  === HVIL ===
753 753  
813 +(% class="box infomessage" %)
814 +(((
815 +This section is not available on BMS Main 2R.
816 +)))
817 +
754 754  The BMS Main 3 allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
755 755  
756 756  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
... ... @@ -759,65 +759,78 @@
759 759  
760 760  In this section:
761 761  
762 -* Enable – a flag to enable the protection;
763 -* Source is OFF: Lower current limit, A;
764 -* Source is OFF: Upper current limit, A;
765 -* Source is ON: Lower current limit, A;
766 -* Source is ON: Upper current limit, A;
767 -* Lock – a flag to block the error until the device is restarted.
826 +* **Enable **– a flag to enable the protection;
827 +* **Source is OFF: Lower current limit**, A;
828 +* **Source is OFF: Upper current limit**, A;
829 +* **Source is ON: Lower current limit**, A;
830 +* **Source is ON: Upper current limit**, A;
831 +* **Lock **– a flag to block the error until the device is restarted.
768 768  
769 -If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated. Error clears if interlock loop is being restored.
833 +If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
770 770  
835 +Error clears if interlock loop is being restored.
836 +
771 771  (% class="box warningmessage" %)
772 772  (((
773 -If there is the “HVIL error”, the **“Critical error”** is generated and **all relays open.**
839 +If there is the “HVIL error”, the **“Critical error”** is generated.
774 774  )))
775 775  
776 -=== Critical error ===
842 +=== Battery voltage ===
777 777  
778 -To change the critical error parameters, select the "Protections → Critical error" section:
844 +(% class="box infomessage" %)
845 +(((
846 +This section is not available on BMS Main 2R.
847 +)))
779 779  
780 -[[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
849 +The BMS Main 3 / BMS Main 2R allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
781 781  
851 +To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
852 +
853 +[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
854 +
782 782  In this section:
783 783  
784 -* Enable – a flag to enable the protection;
785 -* Delay before setting the error, millisecond;
786 -* Delay before clearing the error, second;
787 -* Lock – a flag to block the error until the device is restarted.
857 +* **Enable **– a flag to enable the protection;
858 +* **Abnormal voltage difference** – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
859 +* **Delay before setting the error**, second;
860 +* **Delay before clearing the error**, second;
861 +* **Lock **– a flag to block the error until the device is restarted.
788 788  
789 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
863 +If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
790 790  
791 -* “Battery cover error”;
792 -* “Water”;
793 -* “Logic offline”;
794 -* “Cell count error”;
795 -* “ADC error”;
796 -* “Current sensor error”;
797 -* “Shunt offline”;
798 -* “Shunt error”;
799 -* “WDT reset”
800 -* “No temp. sensors”;
801 -* “Temperature sensor shorted”;
802 -* “Stuck contactor”;
803 -* “CH contactor feedback error”;
804 -* “DCH contactor feedback error”;
805 -* “Insulation fault”;
806 -* “PCH contactor feedback error”;
807 -* “CH/DCH contactor feedback error”;
808 -* “Main contactor feedback error”;
809 -* “High voltage fault”;
810 -* “Power switch error”;
811 -* “HVIL error”l
812 -* “Power fault”.
865 +Error generation conditions:
813 813  
814 -The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
867 +* difference between sum of all cell voltages and voltage measured before the contactors is **more **than "Abnormal voltage difference" value during "Delay before setting the error" time.
815 815  
816 -(% class="box infomessage" %)
869 +Conditions for removing the error:
870 +
871 +* difference between sum of all cell voltages and voltage measured before the contactors is **less **than "Abnormal voltage difference" value during "Delay before clearing the error" time.
872 +
873 +(% class="box warningmessage" %)
817 817  (((
818 -If there is the “Critical error”, **all **contactors open.
875 +If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
819 819  )))
820 820  
878 +=== Critical error ===
879 +
880 +Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
881 +
882 +To change the critical error parameters, select the "Protections → Critical error" section:
883 +
884 +[[image:1762775547945-129.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
885 +
886 +In this section:
887 +
888 +* **Enable **– a flag to enable the protection;
889 +* **Delay before setting the error**, millisecond;
890 +* **Delay before clearing the error**, second;
891 +* **Errors 1, 2 to to ignore when setting the critical error** – bitfields to enable check of corresponding errors.
892 +* **Lock **– a flag to block the error until the device is restarted.
893 +
894 +The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time.
895 +
896 +The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
897 +
821 821  === General error ===
822 822  
823 823  To change the general error parameters, select the "Protections → Critical error" section:
... ... @@ -826,17 +826,17 @@
826 826  
827 827  In this section:
828 828  
829 -* Enable – a flag to enable the protection;
830 -* Delay before setting the error, millisecond;
831 -* Delay before clearing the error, second;
832 -* Lock – a flag to block the error until the device is restarted;
833 -* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
906 +* **Enable **– a flag to enable the protection;
907 +* **Delay before setting the error**, millisecond;
908 +* **Delay before clearing the error**, second;
909 +* **Lock **– a flag to block the error until the device is restarted;
910 +* **Errors 1, 2 to set the "Critical error"** – bitfields to enable check of corresponding errors.
834 834  
835 -The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
912 +The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
836 836  
837 837  The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
838 838  
839 839  (% class="box infomessage" %)
840 840  (((
841 -The state of the “General error” can be output to a discrete output or a power switch.
918 +The state of the “General error” can be assigned to a discrete output or to a power switch.
842 842  )))
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