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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42
From version 22.2
edited by Admin
on 2025/02/11 14:29
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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... ... @@ -4,7 +4,7 @@
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 9  (% class="box errormessage" %)
10 10  (((
... ... @@ -14,7 +14,7 @@
14 14  
15 15  === Overcurrent ===
16 16  
17 -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.
18 18  
19 19  To change the overcurrent protection of the battery, select the "Protections → Overcurrent" section:
20 20  
... ... @@ -22,14 +22,14 @@
22 22  
23 23  In this section:
24 24  
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.
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.
33 33  
34 34  As a result of operation of the overcurrent protection, the "Overcurrent" error is generated.
35 35  
... ... @@ -45,7 +45,7 @@
45 45  
46 46  === Charge current limit ===
47 47  
48 -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.
49 49  
50 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 51  
... ... @@ -53,17 +53,17 @@
53 53  
54 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 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 diffr, 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.
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 63  
64 64  === Discharge current limit ===
65 65  
66 -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.
67 67  
68 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 69  
... ... @@ -73,17 +73,17 @@
73 73  
74 74  In this section:
75 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 diffr, 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.
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 83  
84 84  === Undervoltage ===
85 85  
86 -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.
87 87  
88 88  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
89 89  
... ... @@ -91,13 +91,13 @@
91 91  
92 92  In this section:
93 93  
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 enable the check of voltage correction due to current and cell resistance;
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.
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.
101 101  
102 102  As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
103 103  
... ... @@ -111,7 +111,7 @@
111 111  
112 112  === Overvoltage ===
113 113  
114 -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.
115 115  
116 116  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
117 117  
... ... @@ -119,13 +119,13 @@
119 119  
120 120  In this section:
121 121  
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 enable the check of voltage correction due to current and cell resistance;
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.
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.
129 129  
130 130  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
131 131  
... ... @@ -137,9 +137,34 @@
137 137  
138 138  * 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.
139 139  
140 +=== Cell imbalance ===
141 +
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 +
140 140  === Low temperature ===
141 141  
142 -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.
143 143  
144 144  To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
145 145  
... ... @@ -147,14 +147,14 @@
147 147  
148 148  In this section:
149 149  
150 -* Enable – a flag to enable the protection;
151 -* Minimum charge temperature, °C;
152 -* Tolerant charge temperature, °C;
153 -* Minimum discharge temperature, °C;
154 -* Tolerant discharge temperature, °C;
155 -* Delay before setting the error, millisecond;
156 -* Delay before clearing the error, second;
157 -* 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.
158 158  
159 159  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.
160 160  
... ... @@ -168,7 +168,7 @@
168 168  
169 169  === High temperature ===
170 170  
171 -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.
172 172  
173 173  To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
174 174  
... ... @@ -176,14 +176,14 @@
176 176  
177 177  In this section:
178 178  
179 -* Enable – a flag to enable the protection;
180 -* Maximum charge temperature, °C;
181 -* Tolerant charge temperature, °C;
182 -* Maximum discharge temperature, °C;
183 -* Tolerant discharge temperature, °C;
184 -* Delay before setting the error, millisecond;
185 -* Delay before clearing the error, second;
186 -* 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.
187 187  
188 188  As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
189 189  
... ... @@ -203,10 +203,10 @@
203 203  
204 204  In this section:
205 205  
206 -* Enable – a flag to enable the protection;
207 -* Delay before setting the error, millisecond;
208 -* Delay before clearing the error, second;
209 -* 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.
210 210  
211 211  As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
212 212  
... ... @@ -225,7 +225,7 @@
225 225  
226 226  === High humidity ===
227 227  
228 -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.
229 229  
230 230  To change the detection parameters, select the "Protections → High humidity" section:
231 231  
... ... @@ -233,12 +233,12 @@
233 233  
234 234  In this section:
235 235  
236 -* Enable – a flag to enable the detection;
237 -* Maximum humidity, RH%;
238 -* Tolerant humidity, RH%;
239 -* Delay before setting the error, second;
240 -* Delay before clearing the error, second;
241 -* 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.
242 242  
243 243  As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
244 244  
... ... @@ -257,7 +257,7 @@
257 257  
258 258  === Water ===
259 259  
260 -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.
261 261  
262 262  To change the protection parameters, select the "Protections → Water" section:
263 263  
... ... @@ -265,12 +265,12 @@
265 265  
266 266  In this section:
267 267  
268 -* Enable – a flag to enable the protection;
269 -* Maximum humidity, RH%;
270 -* Tolerant humidity, RH%;
271 -* Delay before setting the error, second;
272 -* Delay before clearing the error, second;
273 -* 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.
274 274  
275 275  As a result of the operation of the battery protection from water, the "Water" error is generated.
276 276  
... ... @@ -295,12 +295,12 @@
295 295  
296 296  In this section:
297 297  
298 -* Enable – a flag to enable the protection;
299 -* Maximum temperature, °C;
300 -* Tolerant temperature, °C;
301 -* Delay before setting the error, second;
302 -* Delay before clearing the error, second;
303 -* 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.
304 304  
305 305  As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
306 306  
... ... @@ -321,12 +321,15 @@
321 321  
322 322  To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
323 323  
324 -[[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"]]
325 325  
351 +
326 326  In this section:
327 327  
328 -* Enable – a flag to enable the protection;
329 -* 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.
330 330  
331 331  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
332 332  
... ... @@ -351,11 +351,11 @@
351 351  
352 352  In this section:
353 353  
354 -* Enable – a flag to enable the protection;
355 -* Number of cells – a number of cells connected to the BMS;
356 -* Delay before setting the error, millisecond;
357 -* Delay before clearing the error, second;
358 -* 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.
359 359  
360 360  As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
361 361  
... ... @@ -372,28 +372,61 @@
372 372  If there is the "Cell count error", the **“Critical error” **is generated**.**
373 373  )))
374 374  
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 +
375 375  === Logic count ===
376 376  
377 377  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:
378 378  
379 -[[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"]]
380 380  
381 381  In this section:
382 382  
383 -* Enable – a flag to enable the protection;
384 -* Logic count – a number of BMS Logic devices connected to the BMS Main;
385 -* 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);
386 -* 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.
387 387  
388 388  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.
389 389  
390 390  Error generation conditions:
391 391  
392 -* 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.
393 393  
394 394  Conditions for removing the error:
395 395  
396 -* 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.
397 397  
398 398  (% class="box warningmessage" %)
399 399  (((
... ... @@ -402,7 +402,7 @@
402 402  
403 403  === Short circuit ===
404 404  
405 -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.
406 406  
407 407  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
408 408  
... ... @@ -410,12 +410,12 @@
410 410  
411 411  In this section:
412 412  
413 -* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
414 -** Enable – a flag to enable the protection;
415 -** Maximum current, A;
416 -** Delay before setting the error, second;
417 -* Delay before clearing the error, second;
418 -* 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.
419 419  
420 420  If there is a short circuit, the "Short circuit" error is generated.
421 421  
... ... @@ -429,7 +429,7 @@
429 429  
430 430  === High contactor temperature ===
431 431  
432 -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.
433 433  
434 434  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
435 435  
... ... @@ -437,13 +437,13 @@
437 437  
438 438  In this section:
439 439  
440 -* Enable – a flag to enable the protection;
441 -* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
442 -* Maximum contactor temperature, °C;
443 -* Tolerant contactor temperature, °C;
444 -* Delay before setting the error, second;
445 -* Delay before clearing the error, second;
446 -* 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.
447 447  
448 448  If there is a contactor overheat, the "High contactor temperature" error is generated.
449 449  
... ... @@ -457,7 +457,7 @@
457 457  
458 458  === Current sensor ===
459 459  
460 -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.
461 461  
462 462  To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
463 463  
... ... @@ -465,13 +465,13 @@
465 465  
466 466  In this section:
467 467  
468 -* Enable – a flag to enable the protection;
469 -* Maximum voltage, V;
470 -* Minimum voltage, V;
471 -* Voltage hysteresis – a hysteresis value to clear the error, V;
472 -* Delay before setting the error, second;
473 -* Delay before clearing the error, second;
474 -* 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.
475 475  
476 476  If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated.
477 477  
... ... @@ -491,6 +491,11 @@
491 491  
492 492  === Power switch ===
493 493  
555 +(% class="box warningmessage" %)
556 +(((
557 +This section is not available on BMS Main 2R.
558 +)))
559 +
494 494  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:
495 495  
496 496  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
... ... @@ -497,8 +497,8 @@
497 497  
498 498  In this section:
499 499  
500 -* Delay before clearing the error, second;
501 -* 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.
502 502  
503 503  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.
504 504  
... ... @@ -509,28 +509,42 @@
509 509  
510 510  === Power fault ===
511 511  
512 -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:
578 +(% class="box infomessage" %)
579 +(((
580 +This section is not available on BMS Main 2R.
581 +)))
513 513  
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 +
514 514  [[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
515 515  
516 516  In this section:
517 517  
518 -* Delay before clearing the error, second;
519 -* Delay before setting the error, millisecond;
520 -* Time to keep power off,
521 -* Delay before clearing the error, second;
522 -* Lock – a flag to block the error until the device is restarted.
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.
523 523  
524 -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.
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.
525 525  
604 +Error is removed when the power consumption is normal during “Delay before clearing the error” time.
605 +
526 526  (% class="box warningmessage" %)
527 527  (((
528 -If there is the "Power switch error", the **“Critical error” **is generated.
608 +If there is the "Power fault", the **“Critical error” **is generated.
529 529  )))
530 530  
531 531  === Charge contactor cycles ===
532 532  
533 -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.
534 534  
535 535  To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
536 536  
... ... @@ -538,12 +538,12 @@
538 538  
539 539  In this section:
540 540  
541 -* Enable – a flag to enable the protection;
542 -* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
543 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
544 -* Delay before setting the error, millisecond;
545 -* Delay before clearing the error, second;
546 -* 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.
547 547  
548 548  If there is a high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
549 549  
... ... @@ -557,7 +557,7 @@
557 557  
558 558  === Discharge contactor cycles ===
559 559  
560 -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.
561 561  
562 562  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
563 563  
... ... @@ -565,12 +565,12 @@
565 565  
566 566  In this section:
567 567  
568 -* Enable – a flag to enable the protection;
569 -* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
570 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
571 -* Delay before setting the error, millisecond;
572 -* Delay before clearing the error, second;
573 -* 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.
574 574  
575 575  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
576 576  
... ... @@ -584,7 +584,7 @@
584 584  
585 585  === Temperature sensors ===
586 586  
587 -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.
588 588  
589 589  To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
590 590  
... ... @@ -592,10 +592,10 @@
592 592  
593 593  In this section:
594 594  
595 -* Enable – a flag to enable the protection;
596 -* Delay before setting the error, millisecond;
597 -* Delay before clearing the error, second;
598 -* 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.
599 599  
600 600  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.
601 601  
... ... @@ -606,7 +606,7 @@
606 606  
607 607  === WDT reset ===
608 608  
609 -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.
610 610  
611 611  To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
612 612  
... ... @@ -614,9 +614,9 @@
614 614  
615 615  In this section:
616 616  
617 -* Enable – a flag to enable the protection;
618 -* Delay before clearing the error, second;
619 -* 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.
620 620  
621 621  Conditions for removing the error:
622 622  
... ... @@ -629,7 +629,7 @@
629 629  
630 630  === Unallowable charging ===
631 631  
632 -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.
633 633  
634 634  To change the parameters of the unallowable charging protection, select the "Protections → Unallowable charging" section:
635 635  
... ... @@ -637,10 +637,10 @@
637 637  
638 638  In this section:
639 639  
640 -* Enable – a flag to enable the protection;
641 -* Delay before setting the error, second;
642 -* Delay before clearing the error, second;
643 -* 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.
644 644  
645 645  If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
646 646  
... ... @@ -654,7 +654,7 @@
654 654  
655 655  === Stuck contactor ===
656 656  
657 -The BMS Main 3 device protects contactors against sticking.
737 +The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
658 658  
659 659  To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
660 660  
... ... @@ -662,12 +662,12 @@
662 662  
663 663  In this section:
664 664  
665 -* Enable – a flag to enable the protection;
666 -* Delay before setting the error, millisecond;
667 -* Delay before clearing the error, second;
668 -* Check voltage – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
669 -* Abnormal voltage difference – the difference of voltages before and after contactors at which BMS indicates and error;
670 -* 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.
671 671  
672 672  If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
673 673  
... ... @@ -680,7 +680,7 @@
680 680  
681 681  === Contactor feedback ===
682 682  
683 -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.
684 684  
685 685  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
686 686  
... ... @@ -688,10 +688,10 @@
688 688  
689 689  In this section:
690 690  
691 -* Enable – a flag to enable the protection;
692 -* Delay before setting the error, millisecond;
693 -* Delay before clearing the error, second;
694 -* 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.
695 695  
696 696  If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
697 697  
... ... @@ -704,7 +704,7 @@
704 704  
705 705  === Insulation ===
706 706  
707 -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.
708 708  
709 709  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
710 710  
... ... @@ -712,14 +712,14 @@
712 712  
713 713  In this section:
714 714  
715 -* Enable – a flag to enable the protection;
716 -* Checking algorithm – isolation checking mode:
717 -** Always on – check is always performed;
718 -** On charging – check is performed only if “Charger connected” or “Charge request” is set;
719 -** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
720 -* Delay before setting the error, second;
721 -* Delay before clearing the error, second;
722 -* 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.
723 723  
724 724  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.
725 725  
... ... @@ -730,6 +730,11 @@
730 730  
731 731  === HVIL ===
732 732  
813 +(% class="box infomessage" %)
814 +(((
815 +This section is not available on BMS Main 2R.
816 +)))
817 +
733 733  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.
734 734  
735 735  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
... ... @@ -738,60 +738,78 @@
738 738  
739 739  In this section:
740 740  
741 -* Enable – a flag to enable the protection;
742 -* Source is OFF: Lower current limit, A;
743 -* Source is OFF: Upper current limit, A;
744 -* Source is ON: Lower current limit, A;
745 -* Source is ON: Upper current limit, A;
746 -* 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.
747 747  
748 -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.
749 749  
835 +Error clears if interlock loop is being restored.
836 +
750 750  (% class="box warningmessage" %)
751 751  (((
752 752  If there is the “HVIL error”, the **“Critical error”** is generated.
753 753  )))
754 754  
842 +=== Battery voltage ===
843 +
844 +(% class="box infomessage" %)
845 +(((
846 +This section is not available on BMS Main 2R.
847 +)))
848 +
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.
850 +
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 +
855 +In this section:
856 +
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.
862 +
863 +If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
864 +
865 +Error generation conditions:
866 +
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.
868 +
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" %)
874 +(((
875 +If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
876 +)))
877 +
755 755  === Critical error ===
756 756  
880 +Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
881 +
757 757  To change the critical error parameters, select the "Protections → Critical error" section:
758 758  
759 -[[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
884 +[[image:1762775547945-129.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
760 760  
761 761  In this section:
762 762  
763 -* Enable – a flag to enable the protection;
764 -* Delay before setting the error, millisecond;
765 -* Delay before clearing the error, second;
766 -* Lock – a flag to block the error until the device is restarted.
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.
767 767  
768 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
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.
769 769  
770 -* “Battery cover error”;
771 -* “Water”;
772 -* “Logic offline”;
773 -* “Cell count error”;
774 -* “ADC error”;
775 -* “Current sensor error”;
776 -* “Shunt offline”;
777 -* “Shunt error”;
778 -* “WDT reset”
779 -* “No temp. sensors”;
780 -* “Temperature sensor shorted”;
781 -* “Stuck contactor”;
782 -* “CH contactor feedback error”;
783 -* “DCH contactor feedback error”;
784 -* “Insulation fault”;
785 -* “PCH contactor feedback error”;
786 -* “CH/DCH contactor feedback error”;
787 -* “Main contactor feedback error”;
788 -* “High voltage fault”;
789 -* “Power switch error”;
790 -* “HVIL error”;
791 -* “Power fault”.
896 +The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
792 792  
793 -The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
794 -
795 795  === General error ===
796 796  
797 797  To change the general error parameters, select the "Protections → Critical error" section:
... ... @@ -800,13 +800,13 @@
800 800  
801 801  In this section:
802 802  
803 -* Enable – a flag to enable the protection;
804 -* Delay before setting the error, millisecond;
805 -* Delay before clearing the error, second;
806 -* Lock – a flag to block the error until the device is restarted;
807 -* 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.
808 808  
809 -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.
810 810  
811 811  The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
812 812  
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