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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42
From version 6.2
edited by Admin
on 2024/12/25 11:57
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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... ... @@ -4,26 +4,32 @@
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  
15 -[[image:1733328382376-958.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
21 +[[image:1735224601506-488.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
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  
... ... @@ -37,33 +37,61 @@
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  
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.
47 47  
50 +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.
51 +
52 +To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
53 +
54 +[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
55 +
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.
63 +
48 48  === Discharge current limit ===
49 49  
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.
50 50  
68 +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.
69 +
70 +To change the overcurrent protection of the battery, select the "Protections → Discharge current limit" section:
71 +
72 +[[image:1735225942893-869.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
73 +
74 +In this section:
75 +
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.
83 +
51 51  === Undervoltage ===
52 52  
53 -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.
54 54  
55 55  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
56 56  
57 -[[image:1733328382380-760.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
90 +[[image:1735224224155-829.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
58 58  
59 59  In this section:
60 60  
61 -* Enable – a flag to enable the protection;
62 -* Minimum cell voltage, V;
63 -* Tolerant cell voltage, V;
64 -* Delay before setting the error, millisecond;
65 -* Delay before clearing the error, second;
66 -* 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.
67 67  
68 68  As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
69 69  
... ... @@ -75,28 +75,23 @@
75 75  
76 76  * 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.
77 77  
78 -(% class="box infomessage" %)
79 -(((
80 -If there is the "Undervoltage" error, the **discharging **contactor opens.
81 -)))
82 -
83 83  === Overvoltage ===
84 84  
85 -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.
86 86  
87 87  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
88 88  
89 -[[image:1733328382382-607.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
118 +[[image:1735224377252-473.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="114" width="800"]]
90 90  
91 91  In this section:
92 92  
93 -* Enable – a flag to enable the protection;
94 -* Maximum cell voltage, V;
95 -* Tolerant cell voltage, V;
96 -* Delay before setting the error, millisecond;
97 -* Delay before clearing the error, second;
98 -* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Overvoltage" error is generated;
99 -* 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.
100 100  
101 101  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
102 102  
... ... @@ -108,14 +108,34 @@
108 108  
109 109  * 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.
110 110  
111 -(% class="box infomessage" %)
112 -(((
113 -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).
114 -)))
140 +=== Cell imbalance ===
115 115  
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 +
116 116  === Low temperature ===
117 117  
118 -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.
119 119  
120 120  To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
121 121  
... ... @@ -123,14 +123,14 @@
123 123  
124 124  In this section:
125 125  
126 -* Enable – a flag to enable the protection;
127 -* Minimum charge temperature, °C;
128 -* Tolerant charge temperature, °C;
129 -* Minimum discharge temperature, °C;
130 -* Tolerant discharge temperature, °C;
131 -* Delay before setting the error, millisecond;
132 -* Delay before clearing the error, second;
133 -* 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.
134 134  
135 135  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.
136 136  
... ... @@ -142,15 +142,9 @@
142 142  
143 143  * 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.
144 144  
145 -(% class="box infomessage" %)
146 -(((
147 -If there is the "Low temperature (CH)" error, the **charging **contactor opens.
148 -If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
149 -)))
150 -
151 151  === High temperature ===
152 152  
153 -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.
154 154  
155 155  To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
156 156  
... ... @@ -158,14 +158,14 @@
158 158  
159 159  In this section:
160 160  
161 -* Enable – a flag to enable the protection;
162 -* Maximum charge temperature, °C;
163 -* Tolerant charge temperature, °C;
164 -* Maximum discharge temperature, °C;
165 -* Tolerant discharge temperature, °C;
166 -* Delay before setting the error, millisecond;
167 -* Delay before clearing the error, second;
168 -* 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.
169 169  
170 170  As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
171 171  
... ... @@ -177,12 +177,6 @@
177 177  
178 178  * 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.
179 179  
180 -(% class="box infomessage" %)
181 -(((
182 -If there is the "High temperature (CH)" error, the **charging **contactor opens.
183 -If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
184 -)))
185 -
186 186  === Battery cover ===
187 187  
188 188  To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
... ... @@ -191,10 +191,10 @@
191 191  
192 192  In this section:
193 193  
194 -* Enable – a flag to enable the protection;
195 -* Delay before setting the error, millisecond;
196 -* Delay before clearing the error, second;
197 -* 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.
198 198  
199 199  As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
200 200  
... ... @@ -208,12 +208,12 @@
208 208  
209 209  (% class="box warningmessage" %)
210 210  (((
211 -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**.**
212 212  )))
213 213  
214 214  === High humidity ===
215 215  
216 -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.
217 217  
218 218  To change the detection parameters, select the "Protections → High humidity" section:
219 219  
... ... @@ -221,12 +221,12 @@
221 221  
222 222  In this section:
223 223  
224 -* Enable – a flag to enable the detection;
225 -* Maximum humidity, RH%;
226 -* Tolerant humidity, RH%;
227 -* Delay before setting the error, second;
228 -* Delay before clearing the error, second;
229 -* 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.
230 230  
231 231  As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
232 232  
... ... @@ -245,7 +245,7 @@
245 245  
246 246  === Water ===
247 247  
248 -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.
249 249  
250 250  To change the protection parameters, select the "Protections → Water" section:
251 251  
... ... @@ -253,12 +253,12 @@
253 253  
254 254  In this section:
255 255  
256 -* Enable – a flag to enable the protection;
257 -* Maximum humidity, RH%;
258 -* Tolerant humidity, RH%;
259 -* Delay before setting the error, second;
260 -* Delay before clearing the error, second;
261 -* 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.
262 262  
263 263  As a result of the operation of the battery protection from water, the "Water" error is generated.
264 264  
... ... @@ -270,12 +270,12 @@
270 270  
271 271  * the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
272 272  
273 -(% class="box infomessage" %)
310 +(% class="box warningmessage" %)
274 274  (((
275 -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.
276 276  )))
277 277  
278 -=== High Logic temperature ===
315 +=== Logic high temperature ===
279 279  
280 280  To change the overheating protection parameters of BMS Logic devices, select the "Protections → High Logic temperature" section:
281 281  
... ... @@ -283,12 +283,12 @@
283 283  
284 284  In this section:
285 285  
286 -* Enable – a flag to enable the protection;
287 -* Maximum temperature, °C;
288 -* Tolerant temperature, °C;
289 -* Delay before setting the error, second;
290 -* Delay before clearing the error, second;
291 -* 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.
292 292  
293 293  As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
294 294  
... ... @@ -309,12 +309,15 @@
309 309  
310 310  To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
311 311  
312 -[[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"]]
313 313  
351 +
314 314  In this section:
315 315  
316 -* Enable – a flag to enable the protection;
317 -* 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.
318 318  
319 319  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
320 320  
... ... @@ -328,7 +328,7 @@
328 328  
329 329  (% class="box warningmessage" %)
330 330  (((
331 -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**.**
332 332  )))
333 333  
334 334  === Cell count ===
... ... @@ -339,11 +339,11 @@
339 339  
340 340  In this section:
341 341  
342 -* Enable – a flag to enable the protection;
343 -* Number of cells – a number of cells connected to the BMS;
344 -* Delay before setting the error, millisecond;
345 -* Delay before clearing the error, second;
346 -* 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.
347 347  
348 348  As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
349 349  
... ... @@ -357,55 +357,86 @@
357 357  
358 358  (% class="box warningmessage" %)
359 359  (((
360 -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**.**
361 361  )))
362 362  
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 +
363 363  === Logic count ===
364 364  
365 365  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:
366 366  
367 -[[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"]]
368 368  
369 369  In this section:
370 370  
371 -* Enable – a flag to enable the protection;
372 -* Logic count – a number of BMS Logic devices connected to the BMS Main;
373 -* 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);
374 -* 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.
375 375  
376 376  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.
377 377  
378 378  Error generation conditions:
379 379  
380 -* 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.
381 381  
382 382  Conditions for removing the error:
383 383  
384 -* 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.
385 385  
386 386  (% class="box warningmessage" %)
387 387  (((
388 -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.
389 389  )))
390 390  
391 391  === Short circuit ===
392 392  
393 -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.
394 394  
395 395  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
396 396  
397 -[[image:1733328415733-309.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="210" width="800"]]
470 +[[image:1735224667621-969.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="800"]]
398 398  
399 399  In this section:
400 400  
401 -* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
402 -** Enable – a flag to enable the protection;
403 -** Maximum current, A;
404 -** Delay before setting the error, second;
405 -* Switch off the charging contactor on error – a flag to open the charging contactor when the "Short circuit" error occurs;
406 -* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Short circuit" error occurs;
407 -* Delay before clearing the error, second;
408 -* 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.
409 409  
410 410  If there is a short circuit, the "Short circuit" error is generated.
411 411  
... ... @@ -417,30 +417,23 @@
417 417  
418 418  * the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
419 419  
420 -(% class="box infomessage" %)
421 -(((
422 -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).
423 -)))
424 -
425 425  === High contactor temperature ===
426 426  
427 -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.
428 428  
429 429  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
430 430  
431 -[[image:1733328415734-986.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
497 +[[image:1735224706573-347.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
432 432  
433 433  In this section:
434 434  
435 -* Enable – a flag to enable the protection;
436 -* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
437 -* Maximum contactor temperature, °C;
438 -* Tolerant contactor temperature, °C;
439 -* Delay before setting the error, second;
440 -* Switch off the charging contactor on error – a flag to open the charging contactor when the "High contactor temperature" error occurs;
441 -* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "High contactor temperature" error occurs;
442 -* Delay before clearing the error, second;
443 -* 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.
444 444  
445 445  If there is a contactor overheat, the "High contactor temperature" error is generated.
446 446  
... ... @@ -452,14 +452,9 @@
452 452  
453 453  * the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
454 454  
455 -(% class="box infomessage" %)
456 -(((
457 -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).
458 -)))
459 -
460 460  === Current sensor ===
461 461  
462 -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.
463 463  
464 464  To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
465 465  
... ... @@ -467,13 +467,13 @@
467 467  
468 468  In this section:
469 469  
470 -* Enable – a flag to enable the protection;
471 -* Maximum voltage, V;
472 -* Minimum voltage, V;
473 -* Voltage hysteresis – a hysteresis value to clear the error, V;
474 -* Delay before setting the error, second;
475 -* Delay before clearing the error, second;
476 -* 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.
477 477  
478 478  If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated.
479 479  
... ... @@ -488,11 +488,16 @@
488 488  
489 489  (% class="box warningmessage" %)
490 490  (((
491 -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.
492 492  )))
493 493  
494 494  === Power switch ===
495 495  
555 +(% class="box warningmessage" %)
556 +(((
557 +This section is not available on BMS Main 2R.
558 +)))
559 +
496 496  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:
497 497  
498 498  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
... ... @@ -499,19 +499,54 @@
499 499  
500 500  In this section:
501 501  
502 -* Delay before clearing the error, second;
503 -* 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.
504 504  
505 505  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.
506 506  
507 507  (% class="box warningmessage" %)
508 508  (((
509 -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.
510 510  )))
511 511  
576 +=== Power fault ===
577 +
578 +(% class="box infomessage" %)
579 +(((
580 +This section is not available on BMS Main 2R.
581 +)))
582 +
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 +
512 512  === Charge contactor cycles ===
513 513  
514 -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.
515 515  
516 516  To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
517 517  
... ... @@ -519,12 +519,12 @@
519 519  
520 520  In this section:
521 521  
522 -* Enable – a flag to enable the protection;
523 -* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
524 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
525 -* Delay before setting the error, millisecond;
526 -* Delay before clearing the error, second;
527 -* 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.
528 528  
529 529  If there is a high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
530 530  
... ... @@ -536,14 +536,9 @@
536 536  
537 537  * the “Delay before clearing the error” time has passed since the error was generated.
538 538  
539 -(% class="box infomessage" %)
540 -(((
541 -If there is the "CH contactor cycles error" error, the **charging **contactor opens.
542 -)))
543 -
544 544  === Discharge contactor cycles ===
545 545  
546 -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.
547 547  
548 548  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
549 549  
... ... @@ -551,12 +551,12 @@
551 551  
552 552  In this section:
553 553  
554 -* Enable – a flag to enable the protection;
555 -* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
556 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
557 -* Delay before setting the error, millisecond;
558 -* Delay before clearing the error, second;
559 -* 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.
560 560  
561 561  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
562 562  
... ... @@ -568,14 +568,9 @@
568 568  
569 569  * the “Delay before clearing the error” time has passed since the error was generated.
570 570  
571 -(% class="box infomessage" %)
572 -(((
573 -If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
574 -)))
575 -
576 576  === Temperature sensors ===
577 577  
578 -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.
579 579  
580 580  To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
581 581  
... ... @@ -583,21 +583,21 @@
583 583  
584 584  In this section:
585 585  
586 -* Enable – a flag to enable the protection;
587 -* Delay before setting the error, millisecond;
588 -* Delay before clearing the error, second;
589 -* 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.
590 590  
591 591  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.
592 592  
593 593  (% class="box warningmessage" %)
594 594  (((
595 -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.
596 596  )))
597 597  
598 598  === WDT reset ===
599 599  
600 -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.
601 601  
602 602  To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
603 603  
... ... @@ -605,9 +605,9 @@
605 605  
606 606  In this section:
607 607  
608 -* Enable – a flag to enable the protection;
609 -* Delay before clearing the error, second;
610 -* 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.
611 611  
612 612  Conditions for removing the error:
613 613  
... ... @@ -615,12 +615,12 @@
615 615  
616 616  (% class="box warningmessage" %)
617 617  (((
618 -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.
619 619  )))
620 620  
621 621  === Unallowable charging ===
622 622  
623 -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.
624 624  
625 625  To change the parameters of the unallowable charging protection, select the "Protections → Unallowable charging" section:
626 626  
... ... @@ -628,10 +628,10 @@
628 628  
629 629  In this section:
630 630  
631 -* Enable – a flag to enable the protection;
632 -* Delay before setting the error, second;
633 -* Delay before clearing the error, second;
634 -* 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.
635 635  
636 636  If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
637 637  
... ... @@ -643,14 +643,9 @@
643 643  
644 644  * the battery current is zero during the “Delay before clearing the error” time.
645 645  
646 -(% class="box infomessage" %)
647 -(((
648 -If there is the "Unallowable charging" error, the **discharging **contactor opens.
649 -)))
650 -
651 651  === Stuck contactor ===
652 652  
653 -The BMS Main 3 device protects contactors against sticking.
737 +The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
654 654  
655 655  To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
656 656  
... ... @@ -658,12 +658,12 @@
658 658  
659 659  In this section:
660 660  
661 -* Enable – a flag to enable the protection;
662 -* Delay before setting the error, millisecond;
663 -* Delay before clearing the error, second;
664 -* Check voltage – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
665 -* Abnormal voltage difference – the difference of voltages before and after contactors at which BMS indicates and error;
666 -* 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.
667 667  
668 668  If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
669 669  
... ... @@ -671,12 +671,12 @@
671 671  
672 672  (% class="box warningmessage" %)
673 673  (((
674 -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.
675 675  )))
676 676  
677 677  === Contactor feedback ===
678 678  
679 -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.
680 680  
681 681  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
682 682  
... ... @@ -684,10 +684,10 @@
684 684  
685 685  In this section:
686 686  
687 -* Enable – a flag to enable the protection;
688 -* Delay before setting the error, millisecond;
689 -* Delay before clearing the error, second;
690 -* 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.
691 691  
692 692  If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
693 693  
... ... @@ -695,12 +695,12 @@
695 695  
696 696  (% class="box warningmessage" %)
697 697  (((
698 -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.
699 699  )))
700 700  
701 701  === Insulation ===
702 702  
703 -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.
704 704  
705 705  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
706 706  
... ... @@ -708,106 +708,128 @@
708 708  
709 709  In this section:
710 710  
711 -* Enable – a flag to enable the protection;
712 -* Checking algorithm – isolation checking mode:
713 -** Always on – check is always performed;
714 -** On charging – check is performed only if “Charger connected” or “Charge request” is set;
715 -** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
716 -* Delay before setting the error, second;
717 -* Delay before clearing the error, second;
718 -* 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.
719 719  
720 720  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.
721 721  
722 722  (% class="box warningmessage" %)
723 723  (((
724 -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.
725 725  )))
726 726  
727 727  === HVIL ===
728 728  
813 +(% class="box infomessage" %)
814 +(((
815 +This section is not available on BMS Main 2R.
816 +)))
817 +
729 729  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.
730 730  
731 731  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
732 732  
733 -[[image:1733328487099-371.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="85" width="800"]]
822 +[[image:1735224839441-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
734 734  
735 735  In this section:
736 736  
737 -* Enable – a flag to enable the protection;
738 -* 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.
739 739  
740 -If interlock loop breaks, 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.
741 741  
835 +Error clears if interlock loop is being restored.
836 +
742 742  (% class="box warningmessage" %)
743 743  (((
744 -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.
745 745  )))
746 746  
747 -=== Critical error ===
842 +=== Battery voltage ===
748 748  
749 -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 +)))
750 750  
751 -[[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.
752 752  
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 +
753 753  In this section:
754 754  
755 -* Enable – a flag to enable the protection;
756 -* Delay before setting the error, millisecond;
757 -* Delay before clearing the error, second;
758 -* 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.
759 759  
760 -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.
761 761  
762 -* “Battery cover error”;
763 -* “Water”;
764 -* “Logic offline”;
765 -* “Cell count error”;
766 -* “ADC error”;
767 -* “Current sensor error”;
768 -* “Shunt offline”;
769 -* “Shunt error”;
770 -* “WDT reset”
771 -* “No temp. sensors”;
772 -* “Temperature sensor shorted”;
773 -* “Stuck contactor”;
774 -* “CH contactor feedback error”;
775 -* “DCH contactor feedback error”;
776 -* “Insulation fault”;
777 -* “PCH contactor feedback error”;
778 -* “CH/DCH contactor feedback error”;
779 -* “Main contactor feedback error”;
780 -* “High voltage fault”;
781 -* “Power switch error”;
782 -* “HVIL error”l
783 -* “Power fault”.
865 +Error generation conditions:
784 784  
785 -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.
786 786  
787 -(% 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" %)
788 788  (((
789 -If there is the “Critical error”, **all **contactors open.
875 +If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
790 790  )))
791 791  
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 +
792 792  === General error ===
793 793  
794 794  To change the general error parameters, select the "Protections → Critical error" section:
795 795  
796 -[[image:1733328487101-216.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]]
902 +[[image:1735224942262-497.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
797 797  
798 798  In this section:
799 799  
800 -* Enable – a flag to enable the protection;
801 -* Delay before setting the error, millisecond;
802 -* Delay before clearing the error, second;
803 -* Lock – a flag to block the error until the device is restarted;
804 -* Check: <error> – a flags 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.
805 805  
806 -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.
807 807  
808 808  The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
809 809  
810 810  (% class="box infomessage" %)
811 811  (((
812 -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.
813 813  )))
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