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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42
From version 16.12
edited by Admin
on 2024/12/26 15:04
Change comment: There is no comment for this version
To version 51.7
edited by Admin
on 2026/04/01 08:34
Change comment: There is no comment for this version

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... ... @@ -4,11 +4,17 @@
4 4  (% data-numbered-headings-start="4" style="--numbered-headings-start: 3;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 5  == Protections ==
6 6  
7 -The BMS Main 3 device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
7 +The BMS Main 3 / BMS Main 2R device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8 8  
9 +(% class="box errormessage" %)
10 +(((
11 +**Attention!**
12 +Behavior of contactors at different errors is configured in **corresponding contactor settings**!
13 +)))
14 +
9 9  === Overcurrent ===
10 10  
11 -The BMS Main 3 device performs the overcurrent protection depending on current sensor values.
17 +The BMS Main 3 / BMS Main 2R device performs the overcurrent protection depending on current sensor values.
12 12  
13 13  To change the overcurrent protection of the battery, select the "Protections → Overcurrent" section:
14 14  
... ... @@ -16,14 +16,14 @@
16 16  
17 17  In this section:
18 18  
19 -* Enable – a flag to enable the protection;
20 -* Maximum charging current, А;
21 -* Tolerant charging current, А;
22 -* Maximum discharging current, А;
23 -* Tolerant discharging current, А;
24 -* Delay before setting the error, millisecond;
25 -* Delay before clearing the error, second;
26 -* Lock – a flag to block the error until the device is restarted.
25 +* **Enable **– a flag to enable the protection;
26 +* **Maximum charging current**, А;
27 +* **Tolerant charging current**, А;
28 +* **Maximum discharging current**, А;
29 +* **Tolerant discharging current**, А;
30 +* **Delay before setting the error**, millisecond;
31 +* **Delay before clearing the error**, second;
32 +* **Lock **– a flag to block the error until the device is restarted.
27 27  
28 28  As a result of operation of the overcurrent protection, the "Overcurrent" error is generated.
29 29  
... ... @@ -37,30 +37,47 @@
37 37  * the current is positive (charging) or zero, and its modulo value is less than the “Tolerant charging current” value for the “Delay before clearing the error” time;
38 38  * the current is negative (discharging) or zero, and its modulo value is less than the “Tolerant discharging current” value for the “Delay before clearing the error” time.
39 39  
40 -(% class="box infomessage" %)
41 -(((
42 -If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43 -)))
44 -
45 45  === Charge current limit ===
46 46  
47 -The BMS Main 3 device can check the charging current with the limit based on the Charge map. If current is more than estimated maximum, "Current limit" error is generated.
48 +The BMS Main 3 / BMS Main 2R device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48 48  
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 +
49 49  To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
50 50  
51 51  [[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
52 52  
53 -* Enable – a flag to enable the protection;
54 -* Threshold to switch from Region 1
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.
55 55  
56 -
57 57  === Discharge current limit ===
58 58  
59 -TBA
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.
60 60  
68 +Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
69 +
70 +To change the overcurrent protection of the battery, select the "Protections → Discharge current limit" section:
71 +
72 +[[image:1735225942893-869.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
73 +
74 +In this section:
75 +
76 +* **Enable **– a flag to enable the protection;
77 +* **Threshold to switch from Region 1 to Region 2** – a current value at which current excess calculation will be switched from absolute to relative difference, A;
78 +* **Region 1: Current difference** – a value of maximum absolute current difference, A;
79 +* **Region 2: Current difference** – a value of maximum relative current excess, A;
80 +* **Delay before setting the error**, millisecond;
81 +* **Delay before clearing the error**, second;
82 +* **Lock **– a flag to block the error until the device is restarted.
83 +
61 61  === Undervoltage ===
62 62  
63 -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.
64 64  
65 65  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
66 66  
... ... @@ -68,13 +68,13 @@
68 68  
69 69  In this section:
70 70  
71 -* Enable – a flag to enable the protection;
72 -* Minimum cell voltage, V;
73 -* Tolerant cell voltage, V;
74 -* 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;
75 -* Delay before setting the error, millisecond;
76 -* Delay before clearing the error, second;
77 -* 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.
78 78  
79 79  As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
80 80  
... ... @@ -86,14 +86,9 @@
86 86  
87 87  * the minimum voltage among all cells of the battery is greater than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
88 88  
89 -(% class="box infomessage" %)
90 -(((
91 -If there is the "Undervoltage" error, the **discharging **contactor opens.
92 -)))
93 -
94 94  === Overvoltage ===
95 95  
96 -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.
97 97  
98 98  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
99 99  
... ... @@ -101,13 +101,13 @@
101 101  
102 102  In this section:
103 103  
104 -* Enable – a flag to enable the protection;
105 -* Maximum cell voltage, V;
106 -* Tolerant cell voltage, V;
107 -* 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;
108 -* Delay before setting the error, millisecond;
109 -* Delay before clearing the error, second;
110 -* 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.
111 111  
112 112  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
113 113  
... ... @@ -119,14 +119,34 @@
119 119  
120 120  * 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.
121 121  
122 -(% class="box infomessage" %)
123 -(((
124 -If there is the "Overvoltage" error, the **charging** contactor and **discharging **contactor open (if the “Switch off the discharging contactor on error” flag is set).
125 -)))
140 +=== Cell imbalance ===
126 126  
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 +
127 127  === Low temperature ===
128 128  
129 -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.
130 130  
131 131  To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
132 132  
... ... @@ -134,14 +134,14 @@
134 134  
135 135  In this section:
136 136  
137 -* Enable – a flag to enable the protection;
138 -* Minimum charge temperature, °C;
139 -* Tolerant charge temperature, °C;
140 -* Minimum discharge temperature, °C;
141 -* Tolerant discharge temperature, °C;
142 -* Delay before setting the error, millisecond;
143 -* Delay before clearing the error, second;
144 -* 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.
145 145  
146 146  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.
147 147  
... ... @@ -153,15 +153,9 @@
153 153  
154 154  * the minimum temperature among all cells of the battery is greater than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
155 155  
156 -(% class="box infomessage" %)
157 -(((
158 -If there is the "Low temperature (CH)" error, the **charging **contactor opens.
159 -If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
160 -)))
161 -
162 162  === High temperature ===
163 163  
164 -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.
165 165  
166 166  To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
167 167  
... ... @@ -169,14 +169,14 @@
169 169  
170 170  In this section:
171 171  
172 -* Enable – a flag to enable the protection;
173 -* Maximum charge temperature, °C;
174 -* Tolerant charge temperature, °C;
175 -* Maximum discharge temperature, °C;
176 -* Tolerant discharge temperature, °C;
177 -* Delay before setting the error, millisecond;
178 -* Delay before clearing the error, second;
179 -* 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.
180 180  
181 181  As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
182 182  
... ... @@ -188,12 +188,6 @@
188 188  
189 189  * the maximum temperature among all cells of the battery is less than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
190 190  
191 -(% class="box infomessage" %)
192 -(((
193 -If there is the "High temperature (CH)" error, the **charging **contactor opens.
194 -If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
195 -)))
196 -
197 197  === Battery cover ===
198 198  
199 199  To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
... ... @@ -202,10 +202,10 @@
202 202  
203 203  In this section:
204 204  
205 -* Enable – a flag to enable the protection;
206 -* Delay before setting the error, millisecond;
207 -* Delay before clearing the error, second;
208 -* 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.
209 209  
210 210  As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
211 211  
... ... @@ -219,12 +219,12 @@
219 219  
220 220  (% class="box warningmessage" %)
221 221  (((
222 -If there is the "Battery cover error", the **“Critical error” **is generated **and all contactors open.**
248 +If there is the "Battery cover error", the **“Critical error” **is generated**.**
223 223  )))
224 224  
225 225  === High humidity ===
226 226  
227 -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.
228 228  
229 229  To change the detection parameters, select the "Protections → High humidity" section:
230 230  
... ... @@ -232,12 +232,12 @@
232 232  
233 233  In this section:
234 234  
235 -* Enable – a flag to enable the detection;
236 -* Maximum humidity, RH%;
237 -* Tolerant humidity, RH%;
238 -* Delay before setting the error, second;
239 -* Delay before clearing the error, second;
240 -* 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.
241 241  
242 242  As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
243 243  
... ... @@ -256,7 +256,7 @@
256 256  
257 257  === Water ===
258 258  
259 -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.
260 260  
261 261  To change the protection parameters, select the "Protections → Water" section:
262 262  
... ... @@ -264,12 +264,12 @@
264 264  
265 265  In this section:
266 266  
267 -* Enable – a flag to enable the protection;
268 -* Maximum humidity, RH%;
269 -* Tolerant humidity, RH%;
270 -* Delay before setting the error, second;
271 -* Delay before clearing the error, second;
272 -* 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.
273 273  
274 274  As a result of the operation of the battery protection from water, the "Water" error is generated.
275 275  
... ... @@ -281,9 +281,9 @@
281 281  
282 282  * the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
283 283  
284 -(% class="box infomessage" %)
310 +(% class="box warningmessage" %)
285 285  (((
286 -If there is the “Water” error, the **“Critical error”** is generated and **all relays open**.
312 +If there is the “Water” error, the **“Critical error”** is generated.
287 287  )))
288 288  
289 289  === Logic high temperature ===
... ... @@ -294,12 +294,12 @@
294 294  
295 295  In this section:
296 296  
297 -* Enable – a flag to enable the protection;
298 -* Maximum temperature, °C;
299 -* Tolerant temperature, °C;
300 -* Delay before setting the error, second;
301 -* Delay before clearing the error, second;
302 -* 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.
303 303  
304 304  As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
305 305  
... ... @@ -320,12 +320,15 @@
320 320  
321 321  To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
322 322  
323 -[[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"]]
324 324  
351 +
325 325  In this section:
326 326  
327 -* Enable – a flag to enable the protection;
328 -* 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.
329 329  
330 330  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
331 331  
... ... @@ -339,7 +339,7 @@
339 339  
340 340  (% class="box warningmessage" %)
341 341  (((
342 -If there is the "Logic offline" error, the **“Critical error” **is generated and **all relays open.**
371 +If there is the "Logic offline" error, the **“Critical error” **is generated**.**
343 343  )))
344 344  
345 345  === Cell count ===
... ... @@ -350,11 +350,11 @@
350 350  
351 351  In this section:
352 352  
353 -* Enable – a flag to enable the protection;
354 -* Number of cells – a number of cells connected to the BMS;
355 -* Delay before setting the error, millisecond;
356 -* Delay before clearing the error, second;
357 -* 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.
358 358  
359 359  As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
360 360  
... ... @@ -368,40 +368,73 @@
368 368  
369 369  (% class="box warningmessage" %)
370 370  (((
371 -If there is the "Cell count error", the **“Critical error” **is generated and **all relays open.**
400 +If there is the "Cell count error", the **“Critical error” **is generated**.**
372 372  )))
373 373  
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 +
374 374  === Logic count ===
375 375  
376 376  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:
377 377  
378 -[[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"]]
379 379  
380 380  In this section:
381 381  
382 -* Enable – a flag to enable the protection;
383 -* Logic count – a number of BMS Logic devices connected to the BMS Main;
384 -* 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);
385 -* 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.
386 386  
387 387  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.
388 388  
389 389  Error generation conditions:
390 390  
391 -* 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.
392 392  
393 393  Conditions for removing the error:
394 394  
395 -* 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.
396 396  
397 397  (% class="box warningmessage" %)
398 398  (((
399 -If there is the "Logic count error", the **“Critical error”** is generated and **all relays open.**
461 +If there is the "Logic count error", the **“Critical error”** is generated.
400 400  )))
401 401  
402 402  === Short circuit ===
403 403  
404 -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.
405 405  
406 406  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
407 407  
... ... @@ -409,12 +409,12 @@
409 409  
410 410  In this section:
411 411  
412 -* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
413 -** Enable – a flag to enable the protection;
414 -** Maximum current, A;
415 -** Delay before setting the error, second;
416 -* Delay before clearing the error, second;
417 -* 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.
418 418  
419 419  If there is a short circuit, the "Short circuit" error is generated.
420 420  
... ... @@ -426,14 +426,9 @@
426 426  
427 427  * the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
428 428  
429 -(% class="box infomessage" %)
430 -(((
431 -If there is the "Short circuit" error, **charging **contactor opens (if the “Switch off the charging contactor on error” flag is set) and **discharging **contactor opens (if the “Switch off the discharging contactor on error flag” is set).
432 -)))
433 -
434 434  === High contactor temperature ===
435 435  
436 -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.
437 437  
438 438  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
439 439  
... ... @@ -441,13 +441,13 @@
441 441  
442 442  In this section:
443 443  
444 -* Enable – a flag to enable the protection;
445 -* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
446 -* Maximum contactor temperature, °C;
447 -* Tolerant contactor temperature, °C;
448 -* Delay before setting the error, second;
449 -* Delay before clearing the error, second;
450 -* 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.
451 451  
452 452  If there is a contactor overheat, the "High contactor temperature" error is generated.
453 453  
... ... @@ -459,14 +459,9 @@
459 459  
460 460  * the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
461 461  
462 -(% class="box infomessage" %)
463 -(((
464 -If there is the "High contactor temperature" error, **charging **contactor opens (if the “Switch off the charging contactor on error” flag is set) and **discharging **contactor opens (if the “Switch off the discharging contactor on error” flag is set).
465 -)))
466 -
467 467  === Current sensor ===
468 468  
469 -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.
470 470  
471 471  To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
472 472  
... ... @@ -495,12 +495,12 @@
495 495  
496 496  (% class="box warningmessage" %)
497 497  (((
498 -If there is the “Current sensor error”, the **“Critical error” **is generated and **all relays open.**
550 +If there is the “Current sensor error”, the **“Critical error” **is generated.
499 499  )))
500 500  
501 501  === Power switch ===
502 502  
503 -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:
555 +BMS Main 3 / BMS Main 2R 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:
504 504  
505 505  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
506 506  
... ... @@ -513,16 +513,42 @@
513 513  
514 514  (% class="box warningmessage" %)
515 515  (((
516 -If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
568 +If there is the "Power switch error", the **“Critical error” **is generated.
517 517  )))
518 518  
519 519  === Power fault ===
520 520  
521 -TBA
573 +BMS Main 3 / BMS Main 2R device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
522 522  
575 +(% class="box infomessage" %)
576 +(((
577 +**Note:** this error can be configured only under** "Service" account**.
578 +)))
579 +
580 +To change the parameters of the power fault error, select the "Protections → Power fault" section:
581 +
582 +[[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
583 +
584 +In this section:
585 +
586 +* Enable – a flag to enable the protection;
587 +* Delay before setting the error, millisecond;
588 +* Time to keep power off, millisecond;
589 +* Delay before clearing the error, millisecond;
590 +* Lock – a flag to block the error until the device is restarted.
591 +
592 +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.
593 +
594 +Error is removed when the power consumption is normal during “Delay before clearing the error” time.
595 +
596 +(% class="box warningmessage" %)
597 +(((
598 +If there is the "Power fault", the **“Critical error” **is generated.
599 +)))
600 +
523 523  === Charge contactor cycles ===
524 524  
525 -The BMS Main 3 device protects the charging contactor against frequent switching.
603 +The BMS Main 3 / BMS Main 2R device protects the charging contactor against frequent switching.
526 526  
527 527  To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
528 528  
... ... @@ -547,14 +547,9 @@
547 547  
548 548  * the “Delay before clearing the error” time has passed since the error was generated.
549 549  
550 -(% class="box infomessage" %)
551 -(((
552 -If there is the "CH contactor cycles error" error, the **charging **contactor opens.
553 -)))
554 -
555 555  === Discharge contactor cycles ===
556 556  
557 -The BMS Main 3 device protects the discharging contactor against frequent switching.
630 +The BMS Main 3 / BMS Main 2R device protects the discharging contactor against frequent switching.
558 558  
559 559  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
560 560  
... ... @@ -579,14 +579,9 @@
579 579  
580 580  * the “Delay before clearing the error” time has passed since the error was generated.
581 581  
582 -(% class="box infomessage" %)
583 -(((
584 -If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
585 -)))
586 -
587 587  === Temperature sensors ===
588 588  
589 -The BMS Main 3 device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
657 +The BMS Main 3 / BMS Main 2R device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
590 590  
591 591  To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
592 592  
... ... @@ -603,7 +603,7 @@
603 603  
604 604  (% class="box warningmessage" %)
605 605  (((
606 -If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated and **all relays open.**
674 +If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated.
607 607  )))
608 608  
609 609  === WDT reset ===
... ... @@ -626,7 +626,7 @@
626 626  
627 627  (% class="box warningmessage" %)
628 628  (((
629 -If there is the "WDT reset" error, the **“Critical error” **is generated and **all relays open.**
697 +If there is the "WDT reset" error, the **“Critical error” **is generated.
630 630  )))
631 631  
632 632  === Unallowable charging ===
... ... @@ -654,14 +654,9 @@
654 654  
655 655  * the battery current is zero during the “Delay before clearing the error” time.
656 656  
657 -(% class="box infomessage" %)
658 -(((
659 -If there is the "Unallowable charging" error, the **discharging **contactor opens.
660 -)))
661 -
662 662  === Stuck contactor ===
663 663  
664 -The BMS Main 3 device protects contactors against sticking.
727 +The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
665 665  
666 666  To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
667 667  
... ... @@ -682,12 +682,12 @@
682 682  
683 683  (% class="box warningmessage" %)
684 684  (((
685 -If there is the “Stuck contactor” error, the **“Critical error” **is generated and **all relays open.**
748 +If there is the “Stuck contactor” error, the **“Critical error” **is generated.
686 686  )))
687 687  
688 688  === Contactor feedback ===
689 689  
690 -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.
753 +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 corresponding contactor feedback pin on the X3 header.
691 691  
692 692  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
693 693  
... ... @@ -706,12 +706,12 @@
706 706  
707 707  (% class="box warningmessage" %)
708 708  (((
709 -If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
772 +If there is the “Contactor feedback” error, the **“Critical error” **is generated.
710 710  )))
711 711  
712 712  === Insulation ===
713 713  
714 -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.
777 +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.
715 715  
716 716  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
717 717  
... ... @@ -732,12 +732,12 @@
732 732  
733 733  (% class="box warningmessage" %)
734 734  (((
735 -If there is the “Insulation fault”, the **“Critical error”** is generated and **all relays open.**
798 +If there is the “Insulation fault”, the **“Critical error”** is generated.
736 736  )))
737 737  
738 738  === HVIL ===
739 739  
740 -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.
803 +The BMS Main 3 / BMS Main 2R 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.
741 741  
742 742  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
743 743  
... ... @@ -752,58 +752,66 @@
752 752  * Source is ON: Upper current limit, A;
753 753  * Lock – a flag to block the error until the device is restarted.
754 754  
755 -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.
818 +If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
756 756  
820 +Error clears if interlock loop is being restored.
821 +
757 757  (% class="box warningmessage" %)
758 758  (((
759 -If there is the “HVIL error”, the **“Critical error”** is generated and **all relays open.**
824 +If there is the “HVIL error”, the **“Critical error”** is generated.
760 760  )))
761 761  
762 -=== Critical error ===
827 +=== Battery voltage ===
763 763  
764 -To change the critical error parameters, select the "Protections → Critical error" section:
829 +The BMS Main 3 / BMS Main 2R allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
765 765  
766 -[[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
831 +To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
767 767  
833 +[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
834 +
768 768  In this section:
769 769  
770 770  * Enable – a flag to enable the protection;
771 -* Delay before setting the error, millisecond;
838 +* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
839 +* Delay before setting the error, second;
772 772  * Delay before clearing the error, second;
773 773  * Lock – a flag to block the error until the device is restarted.
774 774  
775 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
843 +If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
776 776  
777 -* “Battery cover error”;
778 -* “Water”;
779 -* “Logic offline”;
780 -* “Cell count error”;
781 -* “ADC error”;
782 -* “Current sensor error”;
783 -* “Shunt offline”;
784 -* “Shunt error”;
785 -* “WDT reset”
786 -* “No temp. sensors”;
787 -* “Temperature sensor shorted”;
788 -* “Stuck contactor”;
789 -* “CH contactor feedback error”;
790 -* “DCH contactor feedback error”;
791 -* “Insulation fault”;
792 -* “PCH contactor feedback error”;
793 -* “CH/DCH contactor feedback error”;
794 -* “Main contactor feedback error”;
795 -* “High voltage fault”;
796 -* “Power switch error”;
797 -* “HVIL error”l
798 -* “Power fault”.
845 +Error generation conditions:
799 799  
800 -The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
847 +* 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.
801 801  
802 -(% class="box infomessage" %)
849 +Conditions for removing the error:
850 +
851 +* 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.
852 +
853 +(% class="box warningmessage" %)
803 803  (((
804 -If there is the “Critical error”, **all **contactors open.
855 +If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
805 805  )))
806 806  
858 +=== Critical error ===
859 +
860 +Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
861 +
862 +To change the critical error parameters, select the "Protections → Critical error" section:
863 +
864 +[[image:1762775547945-129.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
865 +
866 +In this section:
867 +
868 +* Enable – a flag to enable the protection;
869 +* Delay before setting the error, millisecond;
870 +* Delay before clearing the error, second;
871 +* Errors 1, 2 to to ignore when setting the critical error;
872 +* Lock – a flag to block the error until the device is restarted.
873 +
874 +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.
875 +
876 +The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
877 +
807 807  === General error ===
808 808  
809 809  To change the general error parameters, select the "Protections → Critical error" section:
... ... @@ -818,11 +818,11 @@
818 818  * Lock – a flag to block the error until the device is restarted;
819 819  * Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
820 820  
821 -The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
892 +The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
822 822  
823 823  The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
824 824  
825 825  (% class="box infomessage" %)
826 826  (((
827 -The state of the “General error” can be output to a discrete output or a power switch.
898 +The state of the “General error” can be assigned to a discrete output or to a power switch.
828 828  )))
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