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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42
From version 42.3
edited by Admin
on 2025/10/14 10:23
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 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 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.
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 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.
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 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.
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 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.
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  
... ... @@ -139,13 +139,32 @@
139 139  
140 140  === Cell imbalance ===
141 141  
142 -The BMS Main 3 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
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.
143 143  
144 -To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
144 +To change the battery protection parameters from cell imbalance, select the "Protections → Cell imbalance" section:
145 145  
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 +
146 146  === Low temperature ===
147 147  
148 -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.
149 149  
150 150  To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
151 151  
... ... @@ -153,14 +153,14 @@
153 153  
154 154  In this section:
155 155  
156 -* Enable – a flag to enable the protection;
157 -* Minimum charge temperature, °C;
158 -* Tolerant charge temperature, °C;
159 -* Minimum discharge temperature, °C;
160 -* Tolerant discharge temperature, °C;
161 -* Delay before setting the error, millisecond;
162 -* Delay before clearing the error, second;
163 -* 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.
164 164  
165 165  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.
166 166  
... ... @@ -174,7 +174,7 @@
174 174  
175 175  === High temperature ===
176 176  
177 -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.
178 178  
179 179  To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
180 180  
... ... @@ -182,14 +182,14 @@
182 182  
183 183  In this section:
184 184  
185 -* Enable – a flag to enable the protection;
186 -* Maximum charge temperature, °C;
187 -* Tolerant charge temperature, °C;
188 -* Maximum discharge temperature, °C;
189 -* Tolerant discharge temperature, °C;
190 -* Delay before setting the error, millisecond;
191 -* Delay before clearing the error, second;
192 -* 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.
193 193  
194 194  As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
195 195  
... ... @@ -209,10 +209,10 @@
209 209  
210 210  In this section:
211 211  
212 -* Enable – a flag to enable the protection;
213 -* Delay before setting the error, millisecond;
214 -* Delay before clearing the error, second;
215 -* 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.
216 216  
217 217  As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
218 218  
... ... @@ -231,7 +231,7 @@
231 231  
232 232  === High humidity ===
233 233  
234 -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.
235 235  
236 236  To change the detection parameters, select the "Protections → High humidity" section:
237 237  
... ... @@ -239,12 +239,12 @@
239 239  
240 240  In this section:
241 241  
242 -* Enable – a flag to enable the detection;
243 -* Maximum humidity, RH%;
244 -* Tolerant humidity, RH%;
245 -* Delay before setting the error, second;
246 -* Delay before clearing the error, second;
247 -* 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.
248 248  
249 249  As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
250 250  
... ... @@ -263,7 +263,7 @@
263 263  
264 264  === Water ===
265 265  
266 -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.
267 267  
268 268  To change the protection parameters, select the "Protections → Water" section:
269 269  
... ... @@ -271,12 +271,12 @@
271 271  
272 272  In this section:
273 273  
274 -* Enable – a flag to enable the protection;
275 -* Maximum humidity, RH%;
276 -* Tolerant humidity, RH%;
277 -* Delay before setting the error, second;
278 -* Delay before clearing the error, second;
279 -* 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.
280 280  
281 281  As a result of the operation of the battery protection from water, the "Water" error is generated.
282 282  
... ... @@ -301,12 +301,12 @@
301 301  
302 302  In this section:
303 303  
304 -* Enable – a flag to enable the protection;
305 -* Maximum temperature, °C;
306 -* Tolerant temperature, °C;
307 -* Delay before setting the error, second;
308 -* Delay before clearing the error, second;
309 -* 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.
310 310  
311 311  As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
312 312  
... ... @@ -332,10 +332,10 @@
332 332  
333 333  In this section:
334 334  
335 -* Enable – a flag to enable the protection;
336 -* Delay before setting the error, second;
337 -* Delay before clearing the error, second;
338 -* 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.
339 339  
340 340  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
341 341  
... ... @@ -360,11 +360,11 @@
360 360  
361 361  In this section:
362 362  
363 -* Enable – a flag to enable the protection;
364 -* Number of cells – a number of cells connected to the BMS;
365 -* Delay before setting the error, millisecond;
366 -* Delay before clearing the error, second;
367 -* 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.
368 368  
369 369  As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
370 370  
... ... @@ -389,11 +389,11 @@
389 389  
390 390  In this section:
391 391  
392 -* Enable – a flag to enable the protection;
393 -* Number of cells – a number of temperature sensors connected to the BMS;
394 -* Delay before setting the error, millisecond;
395 -* Delay before clearing the error, second;
396 -* Lock – a flag to block the error until the device is restarted.
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.
397 397  
398 398  As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
399 399  
... ... @@ -414,24 +414,28 @@
414 414  
415 415  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:
416 416  
417 -[[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"]]
418 418  
419 419  In this section:
420 420  
421 -* Enable – a flag to enable the protection;
422 -* Logic count – a number of BMS Logic devices connected to the BMS Main;
423 -* 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);
424 -* 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.
425 425  
426 426  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.
427 427  
428 428  Error generation conditions:
429 429  
430 -* 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.
431 431  
432 432  Conditions for removing the error:
433 433  
434 -* 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.
435 435  
436 436  (% class="box warningmessage" %)
437 437  (((
... ... @@ -440,7 +440,7 @@
440 440  
441 441  === Short circuit ===
442 442  
443 -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.
444 444  
445 445  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
446 446  
... ... @@ -448,12 +448,12 @@
448 448  
449 449  In this section:
450 450  
451 -* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
452 -** Enable – a flag to enable the protection;
453 -** Maximum current, A;
454 -** Delay before setting the error, second;
455 -* Delay before clearing the error, second;
456 -* 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.
457 457  
458 458  If there is a short circuit, the "Short circuit" error is generated.
459 459  
... ... @@ -467,7 +467,7 @@
467 467  
468 468  === High contactor temperature ===
469 469  
470 -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.
471 471  
472 472  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
473 473  
... ... @@ -475,13 +475,13 @@
475 475  
476 476  In this section:
477 477  
478 -* Enable – a flag to enable the protection;
479 -* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
480 -* Maximum contactor temperature, °C;
481 -* Tolerant contactor temperature, °C;
482 -* Delay before setting the error, second;
483 -* Delay before clearing the error, second;
484 -* 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.
485 485  
486 486  If there is a contactor overheat, the "High contactor temperature" error is generated.
487 487  
... ... @@ -495,7 +495,7 @@
495 495  
496 496  === Current sensor ===
497 497  
498 -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.
499 499  
500 500  To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
501 501  
... ... @@ -503,13 +503,13 @@
503 503  
504 504  In this section:
505 505  
506 -* Enable – a flag to enable the protection;
507 -* Maximum voltage, V;
508 -* Minimum voltage, V;
509 -* Voltage hysteresis – a hysteresis value to clear the error, V;
510 -* Delay before setting the error, second;
511 -* Delay before clearing the error, second;
512 -* 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.
513 513  
514 514  If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated.
515 515  
... ... @@ -529,6 +529,11 @@
529 529  
530 530  === Power switch ===
531 531  
555 +(% class="box warningmessage" %)
556 +(((
557 +This section is not available on BMS Main 2R.
558 +)))
559 +
532 532  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:
533 533  
534 534  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
... ... @@ -535,8 +535,8 @@
535 535  
536 536  In this section:
537 537  
538 -* Delay before clearing the error, second;
539 -* 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.
540 540  
541 541  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.
542 542  
... ... @@ -547,6 +547,11 @@
547 547  
548 548  === Power fault ===
549 549  
578 +(% class="box infomessage" %)
579 +(((
580 +This section is not available on BMS Main 2R.
581 +)))
582 +
550 550  BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
551 551  
552 552  (% class="box infomessage" %)
... ... @@ -560,11 +560,11 @@
560 560  
561 561  In this section:
562 562  
563 -* Enable – a flag to enable the protection;
564 -* Delay before setting the error, millisecond;
565 -* Time to keep power off, millisecond;
566 -* Delay before clearing the error, millisecond;
567 -* 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.
568 568  
569 569  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.
570 570  
... ... @@ -577,7 +577,7 @@
577 577  
578 578  === Charge contactor cycles ===
579 579  
580 -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.
581 581  
582 582  To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
583 583  
... ... @@ -585,12 +585,12 @@
585 585  
586 586  In this section:
587 587  
588 -* Enable – a flag to enable the protection;
589 -* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
590 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
591 -* Delay before setting the error, millisecond;
592 -* Delay before clearing the error, second;
593 -* 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.
594 594  
595 595  If there is a high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
596 596  
... ... @@ -604,7 +604,7 @@
604 604  
605 605  === Discharge contactor cycles ===
606 606  
607 -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.
608 608  
609 609  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
610 610  
... ... @@ -612,12 +612,12 @@
612 612  
613 613  In this section:
614 614  
615 -* Enable – a flag to enable the protection;
616 -* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
617 -* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
618 -* Delay before setting the error, millisecond;
619 -* Delay before clearing the error, second;
620 -* 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.
621 621  
622 622  If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
623 623  
... ... @@ -631,7 +631,7 @@
631 631  
632 632  === Temperature sensors ===
633 633  
634 -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.
635 635  
636 636  To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
637 637  
... ... @@ -639,10 +639,10 @@
639 639  
640 640  In this section:
641 641  
642 -* Enable – a flag to enable the protection;
643 -* Delay before setting the error, millisecond;
644 -* Delay before clearing the error, second;
645 -* 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.
646 646  
647 647  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.
648 648  
... ... @@ -653,7 +653,7 @@
653 653  
654 654  === WDT reset ===
655 655  
656 -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.
657 657  
658 658  To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
659 659  
... ... @@ -661,9 +661,9 @@
661 661  
662 662  In this section:
663 663  
664 -* Enable – a flag to enable the protection;
665 -* Delay before clearing the error, second;
666 -* 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.
667 667  
668 668  Conditions for removing the error:
669 669  
... ... @@ -676,7 +676,7 @@
676 676  
677 677  === Unallowable charging ===
678 678  
679 -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.
680 680  
681 681  To change the parameters of the unallowable charging protection, select the "Protections → Unallowable charging" 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, second;
689 -* Delay before clearing the error, second;
690 -* 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.
691 691  
692 692  If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
693 693  
... ... @@ -701,7 +701,7 @@
701 701  
702 702  === Stuck contactor ===
703 703  
704 -The BMS Main 3 device protects contactors against sticking.
737 +The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
705 705  
706 706  To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
707 707  
... ... @@ -709,12 +709,12 @@
709 709  
710 710  In this section:
711 711  
712 -* Enable – a flag to enable the protection;
713 -* Delay before setting the error, millisecond;
714 -* Delay before clearing the error, second;
715 -* Check voltage – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
716 -* Abnormal voltage difference – the difference of voltages before and after contactors at which BMS indicates and error;
717 -* 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.
718 718  
719 719  If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
720 720  
... ... @@ -727,7 +727,7 @@
727 727  
728 728  === Contactor feedback ===
729 729  
730 -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.
731 731  
732 732  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
733 733  
... ... @@ -735,10 +735,10 @@
735 735  
736 736  In this section:
737 737  
738 -* Enable – a flag to enable the protection;
739 -* Delay before setting the error, millisecond;
740 -* Delay before clearing the error, second;
741 -* 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.
742 742  
743 743  If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
744 744  
... ... @@ -751,7 +751,7 @@
751 751  
752 752  === Insulation ===
753 753  
754 -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.
755 755  
756 756  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
757 757  
... ... @@ -759,14 +759,14 @@
759 759  
760 760  In this section:
761 761  
762 -* Enable – a flag to enable the protection;
763 -* Checking algorithm – isolation checking mode:
764 -** Always on – check is always performed;
765 -** On charging – check is performed only if “Charger connected” or “Charge request” is set;
766 -** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
767 -* Delay before setting the error, second;
768 -* Delay before clearing the error, second;
769 -* 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.
770 770  
771 771  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.
772 772  
... ... @@ -777,6 +777,11 @@
777 777  
778 778  === HVIL ===
779 779  
813 +(% class="box infomessage" %)
814 +(((
815 +This section is not available on BMS Main 2R.
816 +)))
817 +
780 780  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.
781 781  
782 782  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
... ... @@ -785,12 +785,12 @@
785 785  
786 786  In this section:
787 787  
788 -* Enable – a flag to enable the protection;
789 -* Source is OFF: Lower current limit, A;
790 -* Source is OFF: Upper current limit, A;
791 -* Source is ON: Lower current limit, A;
792 -* Source is ON: Upper current limit, A;
793 -* 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.
794 794  
795 795  If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
796 796  
... ... @@ -803,8 +803,13 @@
803 803  
804 804  === Battery voltage ===
805 805  
806 -The BMS Main 3 allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
844 +(% class="box infomessage" %)
845 +(((
846 +This section is not available on BMS Main 2R.
847 +)))
807 807  
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 +
808 808  To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
809 809  
810 810  [[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
... ... @@ -811,11 +811,11 @@
811 811  
812 812  In this section:
813 813  
814 -* Enable – a flag to enable the protection;
815 -* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
816 -* Delay before setting the error, second;
817 -* Delay before clearing the error, second;
818 -* 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.
819 819  
820 820  If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
821 821  
... ... @@ -838,14 +838,15 @@
838 838  
839 839  To change the critical error parameters, select the "Protections → Critical error" section:
840 840  
841 -[[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"]]
842 842  
843 843  In this section:
844 844  
845 -* Enable – a flag to enable the protection;
846 -* Delay before setting the error, millisecond;
847 -* Delay before clearing the error, second;
848 -* 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.
849 849  
850 850  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.
851 851  
... ... @@ -859,11 +859,11 @@
859 859  
860 860  In this section:
861 861  
862 -* Enable – a flag to enable the protection;
863 -* Delay before setting the error, millisecond;
864 -* Delay before clearing the error, second;
865 -* Lock – a flag to block the error until the device is restarted;
866 -* 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.
867 867  
868 868  The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
869 869  
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